2 * GLSL pixel and vertex shader implementation
4 * Copyright 2006 Jason Green
5 * Copyright 2006-2007 Henri Verbeet
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 * D3D shader asm has swizzles on source parameters, and write masks for
24 * destination parameters. GLSL uses swizzles for both. The result of this is
25 * that for example "mov dst.xw, src.zyxw" becomes "dst.xw = src.zw" in GLSL.
26 * Ie, to generate a proper GLSL source swizzle, we need to take the D3D write
27 * mask for the destination parameter into account.
32 #include "wined3d_private.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader
);
35 WINE_DECLARE_DEBUG_CHANNEL(d3d_constants
);
37 #define GLINFO_LOCATION (*gl_info)
52 } glsl_sample_function_t
;
54 /** Prints the GLSL info log which will contain error messages if they exist */
55 void print_glsl_info_log(WineD3D_GL_Info
*gl_info
, GLhandleARB obj
) {
57 int infologLength
= 0;
60 GL_EXTCALL(glGetObjectParameterivARB(obj
,
61 GL_OBJECT_INFO_LOG_LENGTH_ARB
,
64 /* A size of 1 is just a null-terminated string, so the log should be bigger than
65 * that if there are errors. */
66 if (infologLength
> 1)
68 infoLog
= HeapAlloc(GetProcessHeap(), 0, infologLength
);
69 GL_EXTCALL(glGetInfoLogARB(obj
, infologLength
, NULL
, infoLog
));
70 FIXME("Error received from GLSL shader #%u: %s\n", obj
, debugstr_a(infoLog
));
71 HeapFree(GetProcessHeap(), 0, infoLog
);
76 * Loads (pixel shader) samplers
78 static void shader_glsl_load_psamplers(
79 WineD3D_GL_Info
*gl_info
,
80 IWineD3DStateBlock
* iface
) {
82 IWineD3DStateBlockImpl
* stateBlock
= (IWineD3DStateBlockImpl
*) iface
;
83 GLhandleARB programId
= stateBlock
->glsl_program
->programId
;
86 char sampler_name
[20];
88 for (i
= 0; i
< MAX_FRAGMENT_SAMPLERS
; ++i
) {
89 snprintf(sampler_name
, sizeof(sampler_name
), "Psampler%d", i
);
90 name_loc
= GL_EXTCALL(glGetUniformLocationARB(programId
, sampler_name
));
92 int mapped_unit
= stateBlock
->wineD3DDevice
->texUnitMap
[i
];
93 if (mapped_unit
!= -1 && mapped_unit
< GL_LIMITS(fragment_samplers
)) {
94 TRACE("Loading %s for texture %d\n", sampler_name
, mapped_unit
);
95 GL_EXTCALL(glUniform1iARB(name_loc
, mapped_unit
));
96 checkGLcall("glUniform1iARB");
98 ERR("Trying to load sampler %s on unsupported unit %d\n", sampler_name
, mapped_unit
);
104 static void shader_glsl_load_vsamplers(WineD3D_GL_Info
*gl_info
, IWineD3DStateBlock
* iface
) {
105 IWineD3DStateBlockImpl
* stateBlock
= (IWineD3DStateBlockImpl
*) iface
;
106 GLhandleARB programId
= stateBlock
->glsl_program
->programId
;
107 GLhandleARB name_loc
;
108 char sampler_name
[20];
111 for (i
= 0; i
< MAX_VERTEX_SAMPLERS
; ++i
) {
112 snprintf(sampler_name
, sizeof(sampler_name
), "Vsampler%d", i
);
113 name_loc
= GL_EXTCALL(glGetUniformLocationARB(programId
, sampler_name
));
114 if (name_loc
!= -1) {
115 int mapped_unit
= stateBlock
->wineD3DDevice
->texUnitMap
[MAX_FRAGMENT_SAMPLERS
+ i
];
116 if (mapped_unit
!= -1 && mapped_unit
< GL_LIMITS(combined_samplers
)) {
117 TRACE("Loading %s for texture %d\n", sampler_name
, mapped_unit
);
118 GL_EXTCALL(glUniform1iARB(name_loc
, mapped_unit
));
119 checkGLcall("glUniform1iARB");
121 ERR("Trying to load sampler %s on unsupported unit %d\n", sampler_name
, mapped_unit
);
128 * Loads floating point constants (aka uniforms) into the currently set GLSL program.
129 * When constant_list == NULL, it will load all the constants.
131 static void shader_glsl_load_constantsF(IWineD3DBaseShaderImpl
* This
, WineD3D_GL_Info
*gl_info
,
132 unsigned int max_constants
, float* constants
, GLhandleARB
*constant_locations
,
133 struct list
*constant_list
) {
134 constants_entry
*constant
;
135 local_constant
* lconst
;
140 if (TRACE_ON(d3d_shader
)) {
141 LIST_FOR_EACH_ENTRY(constant
, constant_list
, constants_entry
, entry
) {
146 tmp_loc
= constant_locations
[i
];
148 TRACE_(d3d_constants
)("Loading constants %i: %f, %f, %f, %f\n", i
,
149 constants
[i
* 4 + 0], constants
[i
* 4 + 1],
150 constants
[i
* 4 + 2], constants
[i
* 4 + 3]);
156 /* 1.X pshaders have the constants clamped to [-1;1] implicitly. */
157 if(WINED3DSHADER_VERSION_MAJOR(This
->baseShader
.hex_version
) == 1 &&
158 shader_is_pshader_version(This
->baseShader
.hex_version
)) {
161 LIST_FOR_EACH_ENTRY(constant
, constant_list
, constants_entry
, entry
) {
166 tmp_loc
= constant_locations
[i
];
168 /* We found this uniform name in the program - go ahead and send the data */
170 if(constants
[k
+ 0] < -1.0) lcl_const
[0] = -1.0;
171 else if(constants
[k
+ 0] > 1.0) lcl_const
[0] = 1.0;
172 else lcl_const
[0] = constants
[k
+ 0];
173 if(constants
[k
+ 1] < -1.0) lcl_const
[1] = -1.0;
174 else if(constants
[k
+ 1] > 1.0) lcl_const
[1] = 1.0;
175 else lcl_const
[1] = constants
[k
+ 1];
176 if(constants
[k
+ 2] < -1.0) lcl_const
[2] = -1.0;
177 else if(constants
[k
+ 2] > 1.0) lcl_const
[2] = 1.0;
178 else lcl_const
[2] = constants
[k
+ 2];
179 if(constants
[k
+ 3] < -1.0) lcl_const
[3] = -1.0;
180 else if(constants
[k
+ 3] > 1.0) lcl_const
[3] = 1.0;
181 else lcl_const
[3] = constants
[k
+ 3];
183 GL_EXTCALL(glUniform4fvARB(tmp_loc
, 1, lcl_const
));
188 LIST_FOR_EACH_ENTRY(constant
, constant_list
, constants_entry
, entry
) {
193 tmp_loc
= constant_locations
[i
];
195 /* We found this uniform name in the program - go ahead and send the data */
196 GL_EXTCALL(glUniform4fvARB(tmp_loc
, 1, constants
+ (i
* 4)));
201 checkGLcall("glUniform4fvARB()");
203 /* Load immediate constants */
204 if (TRACE_ON(d3d_shader
)) {
205 LIST_FOR_EACH_ENTRY(lconst
, &This
->baseShader
.constantsF
, local_constant
, entry
) {
206 tmp_loc
= constant_locations
[lconst
->idx
];
208 GLfloat
* values
= (GLfloat
*)lconst
->value
;
209 TRACE_(d3d_constants
)("Loading local constants %i: %f, %f, %f, %f\n", lconst
->idx
,
210 values
[0], values
[1], values
[2], values
[3]);
214 /* Immediate constants are clamped to [-1;1] at shader creation time if needed */
215 LIST_FOR_EACH_ENTRY(lconst
, &This
->baseShader
.constantsF
, local_constant
, entry
) {
216 tmp_loc
= constant_locations
[lconst
->idx
];
218 /* We found this uniform name in the program - go ahead and send the data */
219 GL_EXTCALL(glUniform4fvARB(tmp_loc
, 1, (GLfloat
*)lconst
->value
));
222 checkGLcall("glUniform4fvARB()");
226 * Loads integer constants (aka uniforms) into the currently set GLSL program.
227 * When @constants_set == NULL, it will load all the constants.
229 static void shader_glsl_load_constantsI(
230 IWineD3DBaseShaderImpl
* This
,
231 WineD3D_GL_Info
*gl_info
,
232 GLhandleARB programId
,
233 unsigned max_constants
,
235 BOOL
* constants_set
) {
240 char is_pshader
= shader_is_pshader_version(This
->baseShader
.hex_version
);
241 const char* prefix
= is_pshader
? "PI":"VI";
244 for (i
=0; i
<max_constants
; ++i
) {
245 if (NULL
== constants_set
|| constants_set
[i
]) {
247 TRACE_(d3d_constants
)("Loading constants %i: %i, %i, %i, %i\n",
248 i
, constants
[i
*4], constants
[i
*4+1], constants
[i
*4+2], constants
[i
*4+3]);
250 /* TODO: Benchmark and see if it would be beneficial to store the
251 * locations of the constants to avoid looking up each time */
252 snprintf(tmp_name
, sizeof(tmp_name
), "%s[%i]", prefix
, i
);
253 tmp_loc
= GL_EXTCALL(glGetUniformLocationARB(programId
, tmp_name
));
255 /* We found this uniform name in the program - go ahead and send the data */
256 GL_EXTCALL(glUniform4ivARB(tmp_loc
, 1, &constants
[i
*4]));
257 checkGLcall("glUniform4ivARB");
262 /* Load immediate constants */
263 ptr
= list_head(&This
->baseShader
.constantsI
);
265 local_constant
* lconst
= LIST_ENTRY(ptr
, struct local_constant
, entry
);
266 unsigned int idx
= lconst
->idx
;
267 GLint
* values
= (GLint
*) lconst
->value
;
269 TRACE_(d3d_constants
)("Loading local constants %i: %i, %i, %i, %i\n", idx
,
270 values
[0], values
[1], values
[2], values
[3]);
272 snprintf(tmp_name
, sizeof(tmp_name
), "%s[%i]", prefix
, idx
);
273 tmp_loc
= GL_EXTCALL(glGetUniformLocationARB(programId
, tmp_name
));
275 /* We found this uniform name in the program - go ahead and send the data */
276 GL_EXTCALL(glUniform4ivARB(tmp_loc
, 1, values
));
277 checkGLcall("glUniform4ivARB");
279 ptr
= list_next(&This
->baseShader
.constantsI
, ptr
);
284 * Loads boolean constants (aka uniforms) into the currently set GLSL program.
285 * When @constants_set == NULL, it will load all the constants.
287 static void shader_glsl_load_constantsB(
288 IWineD3DBaseShaderImpl
* This
,
289 WineD3D_GL_Info
*gl_info
,
290 GLhandleARB programId
,
291 unsigned max_constants
,
293 BOOL
* constants_set
) {
298 char is_pshader
= shader_is_pshader_version(This
->baseShader
.hex_version
);
299 const char* prefix
= is_pshader
? "PB":"VB";
302 for (i
=0; i
<max_constants
; ++i
) {
303 if (NULL
== constants_set
|| constants_set
[i
]) {
305 TRACE_(d3d_constants
)("Loading constants %i: %i;\n", i
, constants
[i
*4]);
307 /* TODO: Benchmark and see if it would be beneficial to store the
308 * locations of the constants to avoid looking up each time */
309 snprintf(tmp_name
, sizeof(tmp_name
), "%s[%i]", prefix
, i
);
310 tmp_loc
= GL_EXTCALL(glGetUniformLocationARB(programId
, tmp_name
));
312 /* We found this uniform name in the program - go ahead and send the data */
313 GL_EXTCALL(glUniform1ivARB(tmp_loc
, 1, &constants
[i
*4]));
314 checkGLcall("glUniform1ivARB");
319 /* Load immediate constants */
320 ptr
= list_head(&This
->baseShader
.constantsB
);
322 local_constant
* lconst
= LIST_ENTRY(ptr
, struct local_constant
, entry
);
323 unsigned int idx
= lconst
->idx
;
324 GLint
* values
= (GLint
*) lconst
->value
;
326 TRACE_(d3d_constants
)("Loading local constants %i: %i\n", idx
, values
[0]);
328 snprintf(tmp_name
, sizeof(tmp_name
), "%s[%i]", prefix
, idx
);
329 tmp_loc
= GL_EXTCALL(glGetUniformLocationARB(programId
, tmp_name
));
331 /* We found this uniform name in the program - go ahead and send the data */
332 GL_EXTCALL(glUniform1ivARB(tmp_loc
, 1, values
));
333 checkGLcall("glUniform1ivARB");
335 ptr
= list_next(&This
->baseShader
.constantsB
, ptr
);
342 * Loads the app-supplied constants into the currently set GLSL program.
344 void shader_glsl_load_constants(
345 IWineD3DDevice
* device
,
347 char useVertexShader
) {
349 IWineD3DDeviceImpl
* deviceImpl
= (IWineD3DDeviceImpl
*) device
;
350 IWineD3DStateBlockImpl
* stateBlock
= deviceImpl
->stateBlock
;
351 WineD3D_GL_Info
*gl_info
= &deviceImpl
->adapter
->gl_info
;
353 GLhandleARB
*constant_locations
;
354 struct list
*constant_list
;
355 GLhandleARB programId
;
358 if (!stateBlock
->glsl_program
) {
359 /* No GLSL program set - nothing to do. */
362 programId
= stateBlock
->glsl_program
->programId
;
364 if (useVertexShader
) {
365 IWineD3DBaseShaderImpl
* vshader
= (IWineD3DBaseShaderImpl
*) stateBlock
->vertexShader
;
368 constant_locations
= stateBlock
->glsl_program
->vuniformF_locations
;
369 constant_list
= &stateBlock
->set_vconstantsF
;
371 /* Load vertex shader samplers */
372 shader_glsl_load_vsamplers(gl_info
, (IWineD3DStateBlock
*)stateBlock
);
374 /* Load DirectX 9 float constants/uniforms for vertex shader */
375 shader_glsl_load_constantsF(vshader
, gl_info
, GL_LIMITS(vshader_constantsF
),
376 stateBlock
->vertexShaderConstantF
, constant_locations
, constant_list
);
378 /* Load DirectX 9 integer constants/uniforms for vertex shader */
379 shader_glsl_load_constantsI(vshader
, gl_info
, programId
, MAX_CONST_I
,
380 stateBlock
->vertexShaderConstantI
,
381 stateBlock
->changed
.vertexShaderConstantsI
);
383 /* Load DirectX 9 boolean constants/uniforms for vertex shader */
384 shader_glsl_load_constantsB(vshader
, gl_info
, programId
, MAX_CONST_B
,
385 stateBlock
->vertexShaderConstantB
,
386 stateBlock
->changed
.vertexShaderConstantsB
);
388 /* Upload the position fixup params */
389 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "posFixup"));
390 checkGLcall("glGetUniformLocationARB");
391 GL_EXTCALL(glUniform4fvARB(pos
, 1, &deviceImpl
->posFixup
[0]));
392 checkGLcall("glUniform4fvARB");
395 if (usePixelShader
) {
397 IWineD3DBaseShaderImpl
* pshader
= (IWineD3DBaseShaderImpl
*) stateBlock
->pixelShader
;
399 constant_locations
= stateBlock
->glsl_program
->puniformF_locations
;
400 constant_list
= &stateBlock
->set_pconstantsF
;
402 /* Load pixel shader samplers */
403 shader_glsl_load_psamplers(gl_info
, (IWineD3DStateBlock
*) stateBlock
);
405 /* Load DirectX 9 float constants/uniforms for pixel shader */
406 shader_glsl_load_constantsF(pshader
, gl_info
, GL_LIMITS(pshader_constantsF
),
407 stateBlock
->pixelShaderConstantF
, constant_locations
, constant_list
);
409 /* Load DirectX 9 integer constants/uniforms for pixel shader */
410 shader_glsl_load_constantsI(pshader
, gl_info
, programId
, MAX_CONST_I
,
411 stateBlock
->pixelShaderConstantI
,
412 stateBlock
->changed
.pixelShaderConstantsI
);
414 /* Load DirectX 9 boolean constants/uniforms for pixel shader */
415 shader_glsl_load_constantsB(pshader
, gl_info
, programId
, MAX_CONST_B
,
416 stateBlock
->pixelShaderConstantB
,
417 stateBlock
->changed
.pixelShaderConstantsB
);
419 /* Upload the environment bump map matrix if needed. The needsbumpmat member specifies the texture stage to load the matrix from.
420 * It can't be 0 for a valid texbem instruction.
422 if(((IWineD3DPixelShaderImpl
*) pshader
)->needsbumpmat
!= -1) {
423 float *data
= (float *) &stateBlock
->textureState
[(int) ((IWineD3DPixelShaderImpl
*) pshader
)->needsbumpmat
][WINED3DTSS_BUMPENVMAT00
];
424 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "bumpenvmat"));
425 checkGLcall("glGetUniformLocationARB");
426 GL_EXTCALL(glUniformMatrix2fvARB(pos
, 1, 0, data
));
427 checkGLcall("glUniformMatrix2fvARB");
429 /* texbeml needs the luminance scale and offset too. If texbeml is used, needsbumpmat
430 * is set too, so we can check that in the needsbumpmat check
432 if(((IWineD3DPixelShaderImpl
*) pshader
)->baseShader
.reg_maps
.luminanceparams
!= -1) {
433 int stage
= ((IWineD3DPixelShaderImpl
*) pshader
)->baseShader
.reg_maps
.luminanceparams
;
434 GLfloat
*scale
= (GLfloat
*) &stateBlock
->textureState
[stage
][WINED3DTSS_BUMPENVLSCALE
];
435 GLfloat
*offset
= (GLfloat
*) &stateBlock
->textureState
[stage
][WINED3DTSS_BUMPENVLOFFSET
];
437 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "luminancescale"));
438 checkGLcall("glGetUniformLocationARB");
439 GL_EXTCALL(glUniform1fvARB(pos
, 1, scale
));
440 checkGLcall("glUniform1fvARB");
441 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "luminanceoffset"));
442 checkGLcall("glGetUniformLocationARB");
443 GL_EXTCALL(glUniform1fvARB(pos
, 1, offset
));
444 checkGLcall("glUniform1fvARB");
446 } else if(((IWineD3DPixelShaderImpl
*) pshader
)->srgb_enabled
&&
447 !((IWineD3DPixelShaderImpl
*) pshader
)->srgb_mode_hardcoded
) {
451 if(stateBlock
->renderState
[WINED3DRS_SRGBWRITEENABLE
]) {
452 comparison
[0] = srgb_cmp
; comparison
[1] = srgb_cmp
;
453 comparison
[2] = srgb_cmp
; comparison
[3] = srgb_cmp
;
455 mul_low
[0] = srgb_mul_low
; mul_low
[1] = srgb_mul_low
;
456 mul_low
[2] = srgb_mul_low
; mul_low
[3] = srgb_mul_low
;
458 comparison
[0] = 1.0 / 0.0; comparison
[1] = 1.0 / 0.0;
459 comparison
[2] = 1.0 / 0.0; comparison
[3] = 1.0 / 0.0;
461 mul_low
[0] = 1.0; mul_low
[1] = 1.0;
462 mul_low
[2] = 1.0; mul_low
[3] = 1.0;
465 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "srgb_comparison"));
466 checkGLcall("glGetUniformLocationARB");
467 GL_EXTCALL(glUniform4fvARB(pos
, 1, comparison
));
468 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "srgb_mul_low"));
469 checkGLcall("glGetUniformLocationARB");
470 GL_EXTCALL(glUniform4fvARB(pos
, 1, mul_low
));
472 if(((IWineD3DPixelShaderImpl
*) pshader
)->vpos_uniform
) {
473 float correction_params
[4];
474 pos
= GL_EXTCALL(glGetUniformLocationARB(programId
, "ycorrection"));
475 checkGLcall("glGetUniformLocationARB");
476 if(deviceImpl
->render_offscreen
) {
477 correction_params
[0] = 0.0;
478 correction_params
[1] = 1.0;
480 /* position is window relative, not viewport relative */
481 correction_params
[0] = ((IWineD3DSurfaceImpl
*) deviceImpl
->render_targets
[0])->currentDesc
.Height
;
482 correction_params
[1] = -1.0;
484 GL_EXTCALL(glUniform4fvARB(pos
, 1, correction_params
));
489 /** Generate the variable & register declarations for the GLSL output target */
490 void shader_generate_glsl_declarations(
491 IWineD3DBaseShader
*iface
,
492 shader_reg_maps
* reg_maps
,
493 SHADER_BUFFER
* buffer
,
494 WineD3D_GL_Info
* gl_info
) {
496 IWineD3DBaseShaderImpl
* This
= (IWineD3DBaseShaderImpl
*) iface
;
497 IWineD3DDeviceImpl
*device
= (IWineD3DDeviceImpl
*) This
->baseShader
.device
;
499 unsigned int extra_constants_needed
= 0;
501 /* There are some minor differences between pixel and vertex shaders */
502 char pshader
= shader_is_pshader_version(This
->baseShader
.hex_version
);
503 char prefix
= pshader
? 'P' : 'V';
505 /* Prototype the subroutines */
506 for (i
= 0; i
< This
->baseShader
.limits
.label
; i
++) {
507 if (reg_maps
->labels
[i
])
508 shader_addline(buffer
, "void subroutine%lu();\n", i
);
511 /* Declare the constants (aka uniforms) */
512 if (This
->baseShader
.limits
.constant_float
> 0) {
513 unsigned max_constantsF
= min(This
->baseShader
.limits
.constant_float
,
514 (pshader
? GL_LIMITS(pshader_constantsF
) : GL_LIMITS(vshader_constantsF
)));
515 shader_addline(buffer
, "uniform vec4 %cC[%u];\n", prefix
, max_constantsF
);
518 if (This
->baseShader
.limits
.constant_int
> 0)
519 shader_addline(buffer
, "uniform ivec4 %cI[%u];\n", prefix
, This
->baseShader
.limits
.constant_int
);
521 if (This
->baseShader
.limits
.constant_bool
> 0)
522 shader_addline(buffer
, "uniform bool %cB[%u];\n", prefix
, This
->baseShader
.limits
.constant_bool
);
525 shader_addline(buffer
, "uniform vec4 posFixup;\n");
526 /* Predeclaration; This function is added at link time based on the pixel shader.
527 * VS 3.0 shaders have an array OUT[] the shader writes to, earlier versions don't have
528 * that. We know the input to the reorder function at vertex shader compile time, so
529 * we can deal with that. The reorder function for a 1.x and 2.x vertex shader can just
530 * read gl_FrontColor. The output depends on the pixel shader. The reorder function for a
531 * 1.x and 2.x pshader or for fixed function will write gl_FrontColor, and for a 3.0 shader
532 * it will write to the varying array. Here we depend on the shader optimizer on sorting that
533 * out. The nvidia driver only does that if the parameter is inout instead of out, hence the
536 if(This
->baseShader
.hex_version
>= WINED3DVS_VERSION(3, 0)) {
537 shader_addline(buffer
, "void order_ps_input(in vec4[%u]);\n", MAX_REG_OUTPUT
);
539 shader_addline(buffer
, "void order_ps_input();\n");
542 IWineD3DPixelShaderImpl
*ps_impl
= (IWineD3DPixelShaderImpl
*) This
;
544 if(reg_maps
->bumpmat
!= -1) {
545 shader_addline(buffer
, "uniform mat2 bumpenvmat;\n");
546 if(reg_maps
->luminanceparams
) {
547 shader_addline(buffer
, "uniform float luminancescale;\n");
548 shader_addline(buffer
, "uniform float luminanceoffset;\n");
549 extra_constants_needed
++;
551 extra_constants_needed
++;
554 if(device
->stateBlock
->renderState
[WINED3DRS_SRGBWRITEENABLE
]) {
555 ps_impl
->srgb_enabled
= 1;
556 if(This
->baseShader
.limits
.constant_float
+ extra_constants_needed
+ 1 < GL_LIMITS(pshader_constantsF
)) {
557 shader_addline(buffer
, "uniform vec4 srgb_mul_low;\n");
558 shader_addline(buffer
, "uniform vec4 srgb_comparison;\n");
559 ps_impl
->srgb_mode_hardcoded
= 0;
560 extra_constants_needed
++;
562 ps_impl
->srgb_mode_hardcoded
= 1;
563 shader_addline(buffer
, "const vec4 srgb_mul_low = {%f, %f, %f, %f};\n",
564 srgb_mul_low
, srgb_mul_low
, srgb_mul_low
, srgb_mul_low
);
565 shader_addline(buffer
, "const vec4 srgb_comparison = {%f, %f, %f, %f};\n",
566 srgb_cmp
, srgb_cmp
, srgb_cmp
, srgb_cmp
);
569 IWineD3DPixelShaderImpl
*ps_impl
= (IWineD3DPixelShaderImpl
*) This
;
571 /* Do not write any srgb fixup into the shader to save shader size and processing time.
572 * As a consequence, we can't toggle srgb write on without recompilation
574 ps_impl
->srgb_enabled
= 0;
575 ps_impl
->srgb_mode_hardcoded
= 1;
577 if(reg_maps
->vpos
|| reg_maps
->usesdsy
) {
578 if(This
->baseShader
.limits
.constant_float
+ extra_constants_needed
+ 1 < GL_LIMITS(pshader_constantsF
)) {
579 shader_addline(buffer
, "uniform vec4 ycorrection;\n");
580 ((IWineD3DPixelShaderImpl
*) This
)->vpos_uniform
= 1;
581 extra_constants_needed
++;
583 /* This happens because we do not have proper tracking of the constant registers that are
584 * actually used, only the max limit of the shader version
586 FIXME("Cannot find a free uniform for vpos correction params\n");
587 shader_addline(buffer
, "const vec4 ycorrection = {%f, %f, 0.0, 0.0};\n",
588 device
->render_offscreen
? 0.0 : ((IWineD3DSurfaceImpl
*) device
->render_targets
[0])->currentDesc
.Height
,
589 device
->render_offscreen
? 1.0 : -1.0);
591 shader_addline(buffer
, "vec4 vpos;\n");
595 /* Declare texture samplers */
596 for (i
= 0; i
< This
->baseShader
.limits
.sampler
; i
++) {
597 if (reg_maps
->samplers
[i
]) {
599 DWORD stype
= reg_maps
->samplers
[i
] & WINED3DSP_TEXTURETYPE_MASK
;
603 shader_addline(buffer
, "uniform sampler1D %csampler%lu;\n", prefix
, i
);
606 shader_addline(buffer
, "uniform sampler2D %csampler%lu;\n", prefix
, i
);
608 case WINED3DSTT_CUBE
:
609 shader_addline(buffer
, "uniform samplerCube %csampler%lu;\n", prefix
, i
);
611 case WINED3DSTT_VOLUME
:
612 shader_addline(buffer
, "uniform sampler3D %csampler%lu;\n", prefix
, i
);
615 shader_addline(buffer
, "uniform unsupported_sampler %csampler%lu;\n", prefix
, i
);
616 FIXME("Unrecognized sampler type: %#x\n", stype
);
622 /* Declare address variables */
623 for (i
= 0; i
< This
->baseShader
.limits
.address
; i
++) {
624 if (reg_maps
->address
[i
])
625 shader_addline(buffer
, "ivec4 A%d;\n", i
);
628 /* Declare texture coordinate temporaries and initialize them */
629 for (i
= 0; i
< This
->baseShader
.limits
.texcoord
; i
++) {
630 if (reg_maps
->texcoord
[i
])
631 shader_addline(buffer
, "vec4 T%lu = gl_TexCoord[%lu];\n", i
, i
);
634 /* Declare input register varyings. Only pixel shader, vertex shaders have that declared in the
635 * helper function shader that is linked in at link time
637 if(pshader
&& This
->baseShader
.hex_version
>= WINED3DVS_VERSION(3, 0)) {
639 shader_addline(buffer
, "varying vec4 IN[%lu];\n", GL_LIMITS(glsl_varyings
) / 4);
641 /* TODO: Write a replacement shader for the fixed function vertex pipeline, so this isn't needed.
642 * For fixed function vertex processing + 3.0 pixel shader we need a separate function in the
643 * pixel shader that reads the fixed function color into the packed input registers.
645 shader_addline(buffer
, "vec4 IN[%lu];\n", GL_LIMITS(glsl_varyings
) / 4);
649 /* Declare output register temporaries */
650 if(This
->baseShader
.limits
.packed_output
) {
651 shader_addline(buffer
, "vec4 OUT[%lu];\n", This
->baseShader
.limits
.packed_output
);
654 /* Declare temporary variables */
655 for(i
= 0; i
< This
->baseShader
.limits
.temporary
; i
++) {
656 if (reg_maps
->temporary
[i
])
657 shader_addline(buffer
, "vec4 R%lu;\n", i
);
660 /* Declare attributes */
661 for (i
= 0; i
< This
->baseShader
.limits
.attributes
; i
++) {
662 if (reg_maps
->attributes
[i
])
663 shader_addline(buffer
, "attribute vec4 attrib%i;\n", i
);
666 /* Declare loop registers aLx */
667 for (i
= 0; i
< reg_maps
->loop_depth
; i
++) {
668 shader_addline(buffer
, "int aL%u;\n", i
);
669 shader_addline(buffer
, "int tmpInt%u;\n", i
);
672 /* Temporary variables for matrix operations */
673 shader_addline(buffer
, "vec4 tmp0;\n");
674 shader_addline(buffer
, "vec4 tmp1;\n");
676 /* Start the main program */
677 shader_addline(buffer
, "void main() {\n");
678 if(pshader
&& reg_maps
->vpos
) {
679 shader_addline(buffer
, "vpos = vec4(0, ycorrection[0], 0, 0) + gl_FragCoord * vec4(1, ycorrection[1], 1, 1) - 0.5;\n");
683 /*****************************************************************************
684 * Functions to generate GLSL strings from DirectX Shader bytecode begin here.
686 * For more information, see http://wiki.winehq.org/DirectX-Shaders
687 ****************************************************************************/
690 static void shader_glsl_add_src_param(SHADER_OPCODE_ARG
* arg
, const DWORD param
,
691 const DWORD addr_token
, DWORD mask
, glsl_src_param_t
*src_param
);
693 /** Used for opcode modifiers - They multiply the result by the specified amount */
694 static const char * const shift_glsl_tab
[] = {
696 "2.0 * ", /* 1 (x2) */
697 "4.0 * ", /* 2 (x4) */
698 "8.0 * ", /* 3 (x8) */
699 "16.0 * ", /* 4 (x16) */
700 "32.0 * ", /* 5 (x32) */
707 "0.0625 * ", /* 12 (d16) */
708 "0.125 * ", /* 13 (d8) */
709 "0.25 * ", /* 14 (d4) */
710 "0.5 * " /* 15 (d2) */
713 /* Generate a GLSL parameter that does the input modifier computation and return the input register/mask to use */
714 static void shader_glsl_gen_modifier (
717 const char *in_regswizzle
,
722 if (instr
== WINED3DSIO_TEXKILL
)
725 switch (instr
& WINED3DSP_SRCMOD_MASK
) {
726 case WINED3DSPSM_DZ
: /* Need to handle this in the instructions itself (texld & texcrd). */
728 case WINED3DSPSM_NONE
:
729 sprintf(out_str
, "%s%s", in_reg
, in_regswizzle
);
731 case WINED3DSPSM_NEG
:
732 sprintf(out_str
, "-%s%s", in_reg
, in_regswizzle
);
734 case WINED3DSPSM_NOT
:
735 sprintf(out_str
, "!%s%s", in_reg
, in_regswizzle
);
737 case WINED3DSPSM_BIAS
:
738 sprintf(out_str
, "(%s%s - vec4(0.5)%s)", in_reg
, in_regswizzle
, in_regswizzle
);
740 case WINED3DSPSM_BIASNEG
:
741 sprintf(out_str
, "-(%s%s - vec4(0.5)%s)", in_reg
, in_regswizzle
, in_regswizzle
);
743 case WINED3DSPSM_SIGN
:
744 sprintf(out_str
, "(2.0 * (%s%s - 0.5))", in_reg
, in_regswizzle
);
746 case WINED3DSPSM_SIGNNEG
:
747 sprintf(out_str
, "-(2.0 * (%s%s - 0.5))", in_reg
, in_regswizzle
);
749 case WINED3DSPSM_COMP
:
750 sprintf(out_str
, "(1.0 - %s%s)", in_reg
, in_regswizzle
);
753 sprintf(out_str
, "(2.0 * %s%s)", in_reg
, in_regswizzle
);
755 case WINED3DSPSM_X2NEG
:
756 sprintf(out_str
, "-(2.0 * %s%s)", in_reg
, in_regswizzle
);
758 case WINED3DSPSM_ABS
:
759 sprintf(out_str
, "abs(%s%s)", in_reg
, in_regswizzle
);
761 case WINED3DSPSM_ABSNEG
:
762 sprintf(out_str
, "-abs(%s%s)", in_reg
, in_regswizzle
);
765 FIXME("Unhandled modifier %u\n", (instr
& WINED3DSP_SRCMOD_MASK
));
766 sprintf(out_str
, "%s%s", in_reg
, in_regswizzle
);
770 /** Writes the GLSL variable name that corresponds to the register that the
771 * DX opcode parameter is trying to access */
772 static void shader_glsl_get_register_name(
774 const DWORD addr_token
,
777 SHADER_OPCODE_ARG
* arg
) {
779 /* oPos, oFog and oPts in D3D */
780 static const char * const hwrastout_reg_names
[] = { "gl_Position", "gl_FogFragCoord", "gl_PointSize" };
782 DWORD reg
= param
& WINED3DSP_REGNUM_MASK
;
783 DWORD regtype
= shader_get_regtype(param
);
784 IWineD3DBaseShaderImpl
* This
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
785 IWineD3DDeviceImpl
* deviceImpl
= (IWineD3DDeviceImpl
*) This
->baseShader
.device
;
786 WineD3D_GL_Info
* gl_info
= &deviceImpl
->adapter
->gl_info
;
788 char pshader
= shader_is_pshader_version(This
->baseShader
.hex_version
);
794 case WINED3DSPR_TEMP
:
795 sprintf(tmpStr
, "R%u", reg
);
797 case WINED3DSPR_INPUT
:
799 /* Pixel shaders >= 3.0 */
800 if (WINED3DSHADER_VERSION_MAJOR(This
->baseShader
.hex_version
) >= 3) {
801 if (param
& WINED3DSHADER_ADDRMODE_RELATIVE
) {
802 glsl_src_param_t rel_param
;
803 shader_glsl_add_src_param(arg
, addr_token
, 0, WINED3DSP_WRITEMASK_0
, &rel_param
);
805 sprintf(tmpStr
, "IN[%s + %u]", rel_param
.param_str
,
806 ((IWineD3DPixelShaderImpl
*) This
)->input_reg_map
[reg
]);
808 sprintf(tmpStr
, "IN[%u]",
809 ((IWineD3DPixelShaderImpl
*) This
)->input_reg_map
[reg
]);
813 strcpy(tmpStr
, "gl_Color");
815 strcpy(tmpStr
, "gl_SecondaryColor");
818 if (vshader_input_is_color((IWineD3DVertexShader
*) This
, reg
))
820 sprintf(tmpStr
, "attrib%u", reg
);
823 case WINED3DSPR_CONST
:
825 const char* prefix
= pshader
? "PC":"VC";
827 /* Relative addressing */
828 if (param
& WINED3DSHADER_ADDRMODE_RELATIVE
) {
830 /* Relative addressing on shaders 2.0+ have a relative address token,
831 * prior to that, it was hard-coded as "A0.x" because there's only 1 register */
832 if (WINED3DSHADER_VERSION_MAJOR(This
->baseShader
.hex_version
) >= 2) {
833 glsl_src_param_t rel_param
;
834 shader_glsl_add_src_param(arg
, addr_token
, 0, WINED3DSP_WRITEMASK_0
, &rel_param
);
835 sprintf(tmpStr
, "%s[%s + %u]", prefix
, rel_param
.param_str
, reg
);
837 sprintf(tmpStr
, "%s[A0.x + %u]", prefix
, reg
);
840 sprintf(tmpStr
, "%s[%u]", prefix
, reg
);
844 case WINED3DSPR_CONSTINT
:
846 sprintf(tmpStr
, "PI[%u]", reg
);
848 sprintf(tmpStr
, "VI[%u]", reg
);
850 case WINED3DSPR_CONSTBOOL
:
852 sprintf(tmpStr
, "PB[%u]", reg
);
854 sprintf(tmpStr
, "VB[%u]", reg
);
856 case WINED3DSPR_TEXTURE
: /* case WINED3DSPR_ADDR: */
858 sprintf(tmpStr
, "T%u", reg
);
860 sprintf(tmpStr
, "A%u", reg
);
863 case WINED3DSPR_LOOP
:
864 sprintf(tmpStr
, "aL%u", This
->baseShader
.cur_loop_regno
- 1);
866 case WINED3DSPR_SAMPLER
:
868 sprintf(tmpStr
, "Psampler%u", reg
);
870 sprintf(tmpStr
, "Vsampler%u", reg
);
872 case WINED3DSPR_COLOROUT
:
873 if (reg
>= GL_LIMITS(buffers
)) {
874 WARN("Write to render target %u, only %d supported\n", reg
, 4);
876 if (GL_SUPPORT(ARB_DRAW_BUFFERS
)) {
877 sprintf(tmpStr
, "gl_FragData[%u]", reg
);
878 } else { /* On older cards with GLSL support like the GeforceFX there's only one buffer. */
879 sprintf(tmpStr
, "gl_FragColor");
882 case WINED3DSPR_RASTOUT
:
883 sprintf(tmpStr
, "%s", hwrastout_reg_names
[reg
]);
885 case WINED3DSPR_DEPTHOUT
:
886 sprintf(tmpStr
, "gl_FragDepth");
888 case WINED3DSPR_ATTROUT
:
890 sprintf(tmpStr
, "gl_FrontColor");
892 sprintf(tmpStr
, "gl_FrontSecondaryColor");
895 case WINED3DSPR_TEXCRDOUT
:
896 /* Vertex shaders >= 3.0: WINED3DSPR_OUTPUT */
897 if (WINED3DSHADER_VERSION_MAJOR(This
->baseShader
.hex_version
) >= 3)
898 sprintf(tmpStr
, "OUT[%u]", reg
);
900 sprintf(tmpStr
, "gl_TexCoord[%u]", reg
);
902 case WINED3DSPR_MISCTYPE
:
905 sprintf(tmpStr
, "vpos");
906 } else if (reg
== 1){
907 /* Note that gl_FrontFacing is a bool, while vFace is
908 * a float for which the sign determines front/back
910 sprintf(tmpStr
, "(gl_FrontFacing ? 1.0 : -1.0)");
912 FIXME("Unhandled misctype register %d\n", reg
);
913 sprintf(tmpStr
, "unrecognized_register");
917 FIXME("Unhandled register name Type(%d)\n", regtype
);
918 sprintf(tmpStr
, "unrecognized_register");
922 strcat(regstr
, tmpStr
);
925 /* Get the GLSL write mask for the destination register */
926 static DWORD
shader_glsl_get_write_mask(const DWORD param
, char *write_mask
) {
927 char *ptr
= write_mask
;
928 DWORD mask
= param
& WINED3DSP_WRITEMASK_ALL
;
930 if (shader_is_scalar(param
)) {
931 mask
= WINED3DSP_WRITEMASK_0
;
934 if (param
& WINED3DSP_WRITEMASK_0
) *ptr
++ = 'x';
935 if (param
& WINED3DSP_WRITEMASK_1
) *ptr
++ = 'y';
936 if (param
& WINED3DSP_WRITEMASK_2
) *ptr
++ = 'z';
937 if (param
& WINED3DSP_WRITEMASK_3
) *ptr
++ = 'w';
945 static size_t shader_glsl_get_write_mask_size(DWORD write_mask
) {
948 if (write_mask
& WINED3DSP_WRITEMASK_0
) ++size
;
949 if (write_mask
& WINED3DSP_WRITEMASK_1
) ++size
;
950 if (write_mask
& WINED3DSP_WRITEMASK_2
) ++size
;
951 if (write_mask
& WINED3DSP_WRITEMASK_3
) ++size
;
956 static void shader_glsl_get_swizzle(const DWORD param
, BOOL fixup
, DWORD mask
, char *swizzle_str
) {
957 /* For registers of type WINED3DDECLTYPE_D3DCOLOR, data is stored as "bgra",
958 * but addressed as "rgba". To fix this we need to swap the register's x
959 * and z components. */
960 DWORD swizzle
= (param
& WINED3DSP_SWIZZLE_MASK
) >> WINED3DSP_SWIZZLE_SHIFT
;
961 const char *swizzle_chars
= fixup
? "zyxw" : "xyzw";
962 char *ptr
= swizzle_str
;
964 if (!shader_is_scalar(param
)) {
966 /* swizzle bits fields: wwzzyyxx */
967 if (mask
& WINED3DSP_WRITEMASK_0
) *ptr
++ = swizzle_chars
[swizzle
& 0x03];
968 if (mask
& WINED3DSP_WRITEMASK_1
) *ptr
++ = swizzle_chars
[(swizzle
>> 2) & 0x03];
969 if (mask
& WINED3DSP_WRITEMASK_2
) *ptr
++ = swizzle_chars
[(swizzle
>> 4) & 0x03];
970 if (mask
& WINED3DSP_WRITEMASK_3
) *ptr
++ = swizzle_chars
[(swizzle
>> 6) & 0x03];
976 /* From a given parameter token, generate the corresponding GLSL string.
977 * Also, return the actual register name and swizzle in case the
978 * caller needs this information as well. */
979 static void shader_glsl_add_src_param(SHADER_OPCODE_ARG
* arg
, const DWORD param
,
980 const DWORD addr_token
, DWORD mask
, glsl_src_param_t
*src_param
) {
981 BOOL is_color
= FALSE
;
984 src_param
->reg_name
[0] = '\0';
985 src_param
->param_str
[0] = '\0';
986 swizzle_str
[0] = '\0';
988 shader_glsl_get_register_name(param
, addr_token
, src_param
->reg_name
, &is_color
, arg
);
990 shader_glsl_get_swizzle(param
, is_color
, mask
, swizzle_str
);
991 shader_glsl_gen_modifier(param
, src_param
->reg_name
, swizzle_str
, src_param
->param_str
);
994 /* From a given parameter token, generate the corresponding GLSL string.
995 * Also, return the actual register name and swizzle in case the
996 * caller needs this information as well. */
997 static DWORD
shader_glsl_add_dst_param(SHADER_OPCODE_ARG
* arg
, const DWORD param
,
998 const DWORD addr_token
, glsl_dst_param_t
*dst_param
) {
999 BOOL is_color
= FALSE
;
1001 dst_param
->mask_str
[0] = '\0';
1002 dst_param
->reg_name
[0] = '\0';
1004 shader_glsl_get_register_name(param
, addr_token
, dst_param
->reg_name
, &is_color
, arg
);
1005 return shader_glsl_get_write_mask(param
, dst_param
->mask_str
);
1008 /* Append the destination part of the instruction to the buffer, return the effective write mask */
1009 static DWORD
shader_glsl_append_dst_ext(SHADER_BUFFER
*buffer
, SHADER_OPCODE_ARG
*arg
, const DWORD param
) {
1010 glsl_dst_param_t dst_param
;
1014 mask
= shader_glsl_add_dst_param(arg
, param
, arg
->dst_addr
, &dst_param
);
1017 shift
= (param
& WINED3DSP_DSTSHIFT_MASK
) >> WINED3DSP_DSTSHIFT_SHIFT
;
1018 shader_addline(buffer
, "%s%s = %s(", dst_param
.reg_name
, dst_param
.mask_str
, shift_glsl_tab
[shift
]);
1024 /* Append the destination part of the instruction to the buffer, return the effective write mask */
1025 static DWORD
shader_glsl_append_dst(SHADER_BUFFER
*buffer
, SHADER_OPCODE_ARG
*arg
) {
1026 return shader_glsl_append_dst_ext(buffer
, arg
, arg
->dst
);
1029 /** Process GLSL instruction modifiers */
1030 void shader_glsl_add_instruction_modifiers(SHADER_OPCODE_ARG
* arg
) {
1032 DWORD mask
= arg
->dst
& WINED3DSP_DSTMOD_MASK
;
1034 if (arg
->opcode
->dst_token
&& mask
!= 0) {
1035 glsl_dst_param_t dst_param
;
1037 shader_glsl_add_dst_param(arg
, arg
->dst
, 0, &dst_param
);
1039 if (mask
& WINED3DSPDM_SATURATE
) {
1040 /* _SAT means to clamp the value of the register to between 0 and 1 */
1041 shader_addline(arg
->buffer
, "%s%s = clamp(%s%s, 0.0, 1.0);\n", dst_param
.reg_name
,
1042 dst_param
.mask_str
, dst_param
.reg_name
, dst_param
.mask_str
);
1044 if (mask
& WINED3DSPDM_MSAMPCENTROID
) {
1045 FIXME("_centroid modifier not handled\n");
1047 if (mask
& WINED3DSPDM_PARTIALPRECISION
) {
1048 /* MSDN says this modifier can be safely ignored, so that's what we'll do. */
1053 static inline const char* shader_get_comp_op(
1054 const DWORD opcode
) {
1056 DWORD op
= (opcode
& INST_CONTROLS_MASK
) >> INST_CONTROLS_SHIFT
;
1058 case COMPARISON_GT
: return ">";
1059 case COMPARISON_EQ
: return "==";
1060 case COMPARISON_GE
: return ">=";
1061 case COMPARISON_LT
: return "<";
1062 case COMPARISON_NE
: return "!=";
1063 case COMPARISON_LE
: return "<=";
1065 FIXME("Unrecognized comparison value: %u\n", op
);
1070 static void shader_glsl_get_sample_function(DWORD sampler_type
, BOOL projected
, glsl_sample_function_t
*sample_function
) {
1071 /* Note that there's no such thing as a projected cube texture. */
1072 switch(sampler_type
) {
1074 sample_function
->name
= projected
? "texture1DProj" : "texture1D";
1075 sample_function
->coord_mask
= WINED3DSP_WRITEMASK_0
;
1078 sample_function
->name
= projected
? "texture2DProj" : "texture2D";
1079 sample_function
->coord_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
;
1081 case WINED3DSTT_CUBE
:
1082 sample_function
->name
= "textureCube";
1083 sample_function
->coord_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
1085 case WINED3DSTT_VOLUME
:
1086 sample_function
->name
= projected
? "texture3DProj" : "texture3D";
1087 sample_function
->coord_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
1090 sample_function
->name
= "";
1091 FIXME("Unrecognized sampler type: %#x;\n", sampler_type
);
1096 static void shader_glsl_color_correction(SHADER_OPCODE_ARG
* arg
) {
1097 IWineD3DBaseShaderImpl
* shader
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
1098 IWineD3DDeviceImpl
* deviceImpl
= (IWineD3DDeviceImpl
*) shader
->baseShader
.device
;
1099 WineD3D_GL_Info
*gl_info
= &deviceImpl
->adapter
->gl_info
;
1100 glsl_dst_param_t dst_param
;
1101 glsl_dst_param_t dst_param2
;
1103 WINED3DFORMAT conversion_group
;
1104 IWineD3DBaseTextureImpl
*texture
;
1105 DWORD mask
, mask_size
;
1107 BOOL recorded
= FALSE
;
1109 DWORD hex_version
= shader
->baseShader
.hex_version
;
1111 switch(arg
->opcode
->opcode
) {
1112 case WINED3DSIO_TEX
:
1113 if (hex_version
< WINED3DPS_VERSION(2,0)) {
1114 sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
1116 sampler_idx
= arg
->src
[1] & WINED3DSP_REGNUM_MASK
;
1120 case WINED3DSIO_TEXLDL
:
1121 FIXME("Add color fixup for vertex texture WINED3DSIO_TEXLDL\n");
1124 case WINED3DSIO_TEXDP3TEX
:
1125 case WINED3DSIO_TEXM3x3TEX
:
1126 case WINED3DSIO_TEXM3x3SPEC
:
1127 case WINED3DSIO_TEXM3x3VSPEC
:
1128 case WINED3DSIO_TEXBEM
:
1129 case WINED3DSIO_TEXREG2AR
:
1130 case WINED3DSIO_TEXREG2GB
:
1131 case WINED3DSIO_TEXREG2RGB
:
1132 sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
1136 /* Not a texture sampling instruction, nothing to do */
1140 texture
= (IWineD3DBaseTextureImpl
*) deviceImpl
->stateBlock
->textures
[sampler_idx
];
1142 fmt
= texture
->resource
.format
;
1143 conversion_group
= texture
->baseTexture
.shader_conversion_group
;
1145 fmt
= WINED3DFMT_UNKNOWN
;
1146 conversion_group
= WINED3DFMT_UNKNOWN
;
1149 /* before doing anything, record the sampler with the format in the format conversion list,
1150 * but check if it's not there already
1152 for(i
= 0; i
< shader
->baseShader
.num_sampled_samplers
; i
++) {
1153 if(shader
->baseShader
.sampled_samplers
[i
] == sampler_idx
) {
1159 shader
->baseShader
.sampled_samplers
[shader
->baseShader
.num_sampled_samplers
] = sampler_idx
;
1160 shader
->baseShader
.num_sampled_samplers
++;
1161 shader
->baseShader
.sampled_format
[sampler_idx
] = conversion_group
;
1165 case WINED3DFMT_V8U8
:
1166 case WINED3DFMT_V16U16
:
1167 if(GL_SUPPORT(NV_TEXTURE_SHADER
) ||
1168 (GL_SUPPORT(ATI_ENVMAP_BUMPMAP
) && fmt
== WINED3DFMT_V8U8
)) {
1169 /* The 3rd channel returns 1.0 in d3d, but 0.0 in gl. Fix this while we're at it :-) */
1170 mask
= shader_glsl_add_dst_param(arg
, arg
->dst
, WINED3DSP_WRITEMASK_2
, &dst_param
);
1171 mask_size
= shader_glsl_get_write_mask_size(mask
);
1172 if(mask_size
>= 3) {
1173 shader_addline(arg
->buffer
, "%s.%c = 1.0;\n", dst_param
.reg_name
, dst_param
.mask_str
[3]);
1176 /* Correct the sign, but leave the blue as it is - it was loaded correctly already */
1177 mask
= shader_glsl_add_dst_param(arg
, arg
->dst
,
1178 WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
,
1180 mask_size
= shader_glsl_get_write_mask_size(mask
);
1181 if(mask_size
>= 2) {
1182 shader_addline(arg
->buffer
, "%s.%c%c = %s.%c%c * 2.0 - 1.0;\n",
1183 dst_param
.reg_name
, dst_param
.mask_str
[1], dst_param
.mask_str
[2],
1184 dst_param
.reg_name
, dst_param
.mask_str
[1], dst_param
.mask_str
[2]);
1185 } else if(mask_size
== 1) {
1186 shader_addline(arg
->buffer
, "%s.%c = %s.%c * 2.0 - 1.0;\n", dst_param
.reg_name
, dst_param
.mask_str
[1],
1187 dst_param
.reg_name
, dst_param
.mask_str
[1]);
1192 case WINED3DFMT_X8L8V8U8
:
1193 if(!GL_SUPPORT(NV_TEXTURE_SHADER
)) {
1194 /* Red and blue are the signed channels, fix them up; Blue(=L) is correct already,
1195 * and a(X) is always 1.0
1197 mask
= shader_glsl_add_dst_param(arg
, arg
->dst
, WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
, &dst_param
);
1198 mask_size
= shader_glsl_get_write_mask_size(mask
);
1199 if(mask_size
>= 2) {
1200 shader_addline(arg
->buffer
, "%s.%c%c = %s.%c%c * 2.0 - 1.0;\n",
1201 dst_param
.reg_name
, dst_param
.mask_str
[1], dst_param
.mask_str
[2],
1202 dst_param
.reg_name
, dst_param
.mask_str
[1], dst_param
.mask_str
[2]);
1203 } else if(mask_size
== 1) {
1204 shader_addline(arg
->buffer
, "%s.%c = %s.%c * 2.0 - 1.0;\n",
1205 dst_param
.reg_name
, dst_param
.mask_str
[1],
1206 dst_param
.reg_name
, dst_param
.mask_str
[1]);
1211 case WINED3DFMT_L6V5U5
:
1212 if(!GL_SUPPORT(NV_TEXTURE_SHADER
)) {
1213 mask
= shader_glsl_add_dst_param(arg
, arg
->dst
, WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
, &dst_param
);
1214 mask_size
= shader_glsl_get_write_mask_size(mask
);
1215 shader_glsl_add_dst_param(arg
, arg
->dst
, WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_2
, &dst_param2
);
1216 if(mask_size
>= 3) {
1217 /* Swap y and z (U and L), and do a sign conversion on x and the new y(V and U) */
1218 shader_addline(arg
->buffer
, "tmp0.g = %s.%c;\n",
1219 dst_param
.reg_name
, dst_param
.mask_str
[2]);
1220 shader_addline(arg
->buffer
, "%s.%c%c = %s.%c%c * 2.0 - 1.0;\n",
1221 dst_param
.reg_name
, dst_param
.mask_str
[2], dst_param
.mask_str
[1],
1222 dst_param2
.reg_name
, dst_param
.mask_str
[1], dst_param
.mask_str
[3]);
1223 shader_addline(arg
->buffer
, "%s.%c = tmp0.g;\n", dst_param
.reg_name
,
1224 dst_param
.mask_str
[3]);
1225 } else if(mask_size
== 2) {
1226 /* This is bad: We have VL, but we need VU */
1227 FIXME("2 components sampled from a converted L6V5U5 texture\n");
1229 shader_addline(arg
->buffer
, "%s.%c = %s.%c * 2.0 - 1.0;\n",
1230 dst_param
.reg_name
, dst_param
.mask_str
[1],
1231 dst_param2
.reg_name
, dst_param
.mask_str
[1]);
1236 case WINED3DFMT_Q8W8V8U8
:
1237 if(!GL_SUPPORT(NV_TEXTURE_SHADER
)) {
1238 /* Correct the sign in all channels. The writemask just applies as-is, no
1239 * need for checking the mask size
1241 shader_glsl_add_dst_param(arg
, arg
->dst
,
1242 WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
|
1243 WINED3DSP_WRITEMASK_2
| WINED3DSP_WRITEMASK_3
,
1245 shader_addline(arg
->buffer
, "%s%s = %s%s * 2.0 - 1.0;\n", dst_param
.reg_name
, dst_param
.mask_str
,
1246 dst_param
.reg_name
, dst_param
.mask_str
);
1250 /* stupid compiler */
1256 /*****************************************************************************
1258 * Begin processing individual instruction opcodes
1260 ****************************************************************************/
1262 /* Generate GLSL arithmetic functions (dst = src1 + src2) */
1263 void shader_glsl_arith(SHADER_OPCODE_ARG
* arg
) {
1264 CONST SHADER_OPCODE
* curOpcode
= arg
->opcode
;
1265 SHADER_BUFFER
* buffer
= arg
->buffer
;
1266 glsl_src_param_t src0_param
;
1267 glsl_src_param_t src1_param
;
1271 /* Determine the GLSL operator to use based on the opcode */
1272 switch (curOpcode
->opcode
) {
1273 case WINED3DSIO_MUL
: op
= '*'; break;
1274 case WINED3DSIO_ADD
: op
= '+'; break;
1275 case WINED3DSIO_SUB
: op
= '-'; break;
1278 FIXME("Opcode %s not yet handled in GLSL\n", curOpcode
->name
);
1282 write_mask
= shader_glsl_append_dst(buffer
, arg
);
1283 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], write_mask
, &src0_param
);
1284 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1285 shader_addline(buffer
, "%s %c %s);\n", src0_param
.param_str
, op
, src1_param
.param_str
);
1288 /* Process the WINED3DSIO_MOV opcode using GLSL (dst = src) */
1289 void shader_glsl_mov(SHADER_OPCODE_ARG
* arg
) {
1290 IWineD3DBaseShaderImpl
* shader
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
1291 SHADER_BUFFER
* buffer
= arg
->buffer
;
1292 glsl_src_param_t src0_param
;
1295 write_mask
= shader_glsl_append_dst(buffer
, arg
);
1296 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], write_mask
, &src0_param
);
1298 /* In vs_1_1 WINED3DSIO_MOV can write to the address register. In later
1299 * shader versions WINED3DSIO_MOVA is used for this. */
1300 if ((WINED3DSHADER_VERSION_MAJOR(shader
->baseShader
.hex_version
) == 1 &&
1301 !shader_is_pshader_version(shader
->baseShader
.hex_version
) &&
1302 shader_get_regtype(arg
->dst
) == WINED3DSPR_ADDR
) ||
1303 arg
->opcode
->opcode
== WINED3DSIO_MOVA
) {
1304 /* We need to *round* to the nearest int here. */
1305 size_t mask_size
= shader_glsl_get_write_mask_size(write_mask
);
1306 if (mask_size
> 1) {
1307 shader_addline(buffer
, "ivec%d(floor(abs(%s) + vec%d(0.5)) * sign(%s)));\n", mask_size
, src0_param
.param_str
, mask_size
, src0_param
.param_str
);
1309 shader_addline(buffer
, "int(floor(abs(%s) + 0.5) * sign(%s)));\n", src0_param
.param_str
, src0_param
.param_str
);
1312 shader_addline(buffer
, "%s);\n", src0_param
.param_str
);
1316 /* Process the dot product operators DP3 and DP4 in GLSL (dst = dot(src0, src1)) */
1317 void shader_glsl_dot(SHADER_OPCODE_ARG
* arg
) {
1318 CONST SHADER_OPCODE
* curOpcode
= arg
->opcode
;
1319 SHADER_BUFFER
* buffer
= arg
->buffer
;
1320 glsl_src_param_t src0_param
;
1321 glsl_src_param_t src1_param
;
1322 DWORD dst_write_mask
, src_write_mask
;
1323 size_t dst_size
= 0;
1325 dst_write_mask
= shader_glsl_append_dst(buffer
, arg
);
1326 dst_size
= shader_glsl_get_write_mask_size(dst_write_mask
);
1328 /* dp3 works on vec3, dp4 on vec4 */
1329 if (curOpcode
->opcode
== WINED3DSIO_DP4
) {
1330 src_write_mask
= WINED3DSP_WRITEMASK_ALL
;
1332 src_write_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
1335 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_write_mask
, &src0_param
);
1336 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], src_write_mask
, &src1_param
);
1339 shader_addline(buffer
, "vec%d(dot(%s, %s)));\n", dst_size
, src0_param
.param_str
, src1_param
.param_str
);
1341 shader_addline(buffer
, "dot(%s, %s));\n", src0_param
.param_str
, src1_param
.param_str
);
1345 /* Note that this instruction has some restrictions. The destination write mask
1346 * can't contain the w component, and the source swizzles have to be .xyzw */
1347 void shader_glsl_cross(SHADER_OPCODE_ARG
*arg
) {
1348 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
1349 glsl_src_param_t src0_param
;
1350 glsl_src_param_t src1_param
;
1353 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
1354 shader_glsl_append_dst(arg
->buffer
, arg
);
1355 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
1356 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], src_mask
, &src1_param
);
1357 shader_addline(arg
->buffer
, "cross(%s, %s)%s);\n", src0_param
.param_str
, src1_param
.param_str
, dst_mask
);
1360 /* Process the WINED3DSIO_POW instruction in GLSL (dst = |src0|^src1)
1361 * Src0 and src1 are scalars. Note that D3D uses the absolute of src0, while
1362 * GLSL uses the value as-is. */
1363 void shader_glsl_pow(SHADER_OPCODE_ARG
*arg
) {
1364 SHADER_BUFFER
*buffer
= arg
->buffer
;
1365 glsl_src_param_t src0_param
;
1366 glsl_src_param_t src1_param
;
1367 DWORD dst_write_mask
;
1370 dst_write_mask
= shader_glsl_append_dst(buffer
, arg
);
1371 dst_size
= shader_glsl_get_write_mask_size(dst_write_mask
);
1373 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1374 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_0
, &src1_param
);
1377 shader_addline(buffer
, "vec%d(pow(abs(%s), %s)));\n", dst_size
, src0_param
.param_str
, src1_param
.param_str
);
1379 shader_addline(buffer
, "pow(abs(%s), %s));\n", src0_param
.param_str
, src1_param
.param_str
);
1383 /* Process the WINED3DSIO_LOG instruction in GLSL (dst = log2(|src0|))
1384 * Src0 is a scalar. Note that D3D uses the absolute of src0, while
1385 * GLSL uses the value as-is. */
1386 void shader_glsl_log(SHADER_OPCODE_ARG
*arg
) {
1387 SHADER_BUFFER
*buffer
= arg
->buffer
;
1388 glsl_src_param_t src0_param
;
1389 DWORD dst_write_mask
;
1392 dst_write_mask
= shader_glsl_append_dst(buffer
, arg
);
1393 dst_size
= shader_glsl_get_write_mask_size(dst_write_mask
);
1395 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1398 shader_addline(buffer
, "vec%d(log2(abs(%s))));\n", dst_size
, src0_param
.param_str
);
1400 shader_addline(buffer
, "log2(abs(%s)));\n", src0_param
.param_str
);
1404 /* Map the opcode 1-to-1 to the GL code (arg->dst = instruction(src0, src1, ...) */
1405 void shader_glsl_map2gl(SHADER_OPCODE_ARG
* arg
) {
1406 CONST SHADER_OPCODE
* curOpcode
= arg
->opcode
;
1407 SHADER_BUFFER
* buffer
= arg
->buffer
;
1408 glsl_src_param_t src_param
;
1409 const char *instruction
;
1410 char arguments
[256];
1414 /* Determine the GLSL function to use based on the opcode */
1415 /* TODO: Possibly make this a table for faster lookups */
1416 switch (curOpcode
->opcode
) {
1417 case WINED3DSIO_MIN
: instruction
= "min"; break;
1418 case WINED3DSIO_MAX
: instruction
= "max"; break;
1419 case WINED3DSIO_ABS
: instruction
= "abs"; break;
1420 case WINED3DSIO_FRC
: instruction
= "fract"; break;
1421 case WINED3DSIO_NRM
: instruction
= "normalize"; break;
1422 case WINED3DSIO_LOGP
:
1423 case WINED3DSIO_LOG
: instruction
= "log2"; break;
1424 case WINED3DSIO_EXP
: instruction
= "exp2"; break;
1425 case WINED3DSIO_SGN
: instruction
= "sign"; break;
1426 case WINED3DSIO_DSX
: instruction
= "dFdx"; break;
1427 case WINED3DSIO_DSY
: instruction
= "ycorrection.y * dFdy"; break;
1428 default: instruction
= "";
1429 FIXME("Opcode %s not yet handled in GLSL\n", curOpcode
->name
);
1433 write_mask
= shader_glsl_append_dst(buffer
, arg
);
1435 arguments
[0] = '\0';
1436 if (curOpcode
->num_params
> 0) {
1437 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], write_mask
, &src_param
);
1438 strcat(arguments
, src_param
.param_str
);
1439 for (i
= 2; i
< curOpcode
->num_params
; ++i
) {
1440 strcat(arguments
, ", ");
1441 shader_glsl_add_src_param(arg
, arg
->src
[i
-1], arg
->src_addr
[i
-1], write_mask
, &src_param
);
1442 strcat(arguments
, src_param
.param_str
);
1446 shader_addline(buffer
, "%s(%s));\n", instruction
, arguments
);
1449 /** Process the WINED3DSIO_EXPP instruction in GLSL:
1450 * For shader model 1.x, do the following (and honor the writemask, so use a temporary variable):
1451 * dst.x = 2^(floor(src))
1452 * dst.y = src - floor(src)
1453 * dst.z = 2^src (partial precision is allowed, but optional)
1455 * For 2.0 shaders, just do this (honoring writemask and swizzle):
1456 * dst = 2^src; (partial precision is allowed, but optional)
1458 void shader_glsl_expp(SHADER_OPCODE_ARG
* arg
) {
1459 IWineD3DBaseShaderImpl
*shader
= (IWineD3DBaseShaderImpl
*)arg
->shader
;
1460 glsl_src_param_t src_param
;
1462 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src_param
);
1464 if (shader
->baseShader
.hex_version
< WINED3DPS_VERSION(2,0)) {
1467 shader_addline(arg
->buffer
, "tmp0.x = exp2(floor(%s));\n", src_param
.param_str
);
1468 shader_addline(arg
->buffer
, "tmp0.y = %s - floor(%s);\n", src_param
.param_str
, src_param
.param_str
);
1469 shader_addline(arg
->buffer
, "tmp0.z = exp2(%s);\n", src_param
.param_str
);
1470 shader_addline(arg
->buffer
, "tmp0.w = 1.0;\n");
1472 shader_glsl_append_dst(arg
->buffer
, arg
);
1473 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
1474 shader_addline(arg
->buffer
, "tmp0%s);\n", dst_mask
);
1479 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1480 mask_size
= shader_glsl_get_write_mask_size(write_mask
);
1482 if (mask_size
> 1) {
1483 shader_addline(arg
->buffer
, "vec%d(exp2(%s)));\n", mask_size
, src_param
.param_str
);
1485 shader_addline(arg
->buffer
, "exp2(%s));\n", src_param
.param_str
);
1490 /** Process the RCP (reciprocal or inverse) opcode in GLSL (dst = 1 / src) */
1491 void shader_glsl_rcp(SHADER_OPCODE_ARG
* arg
) {
1492 glsl_src_param_t src_param
;
1496 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1497 mask_size
= shader_glsl_get_write_mask_size(write_mask
);
1498 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_3
, &src_param
);
1500 if (mask_size
> 1) {
1501 shader_addline(arg
->buffer
, "vec%d(1.0 / %s));\n", mask_size
, src_param
.param_str
);
1503 shader_addline(arg
->buffer
, "1.0 / %s);\n", src_param
.param_str
);
1507 void shader_glsl_rsq(SHADER_OPCODE_ARG
* arg
) {
1508 SHADER_BUFFER
* buffer
= arg
->buffer
;
1509 glsl_src_param_t src_param
;
1513 write_mask
= shader_glsl_append_dst(buffer
, arg
);
1514 mask_size
= shader_glsl_get_write_mask_size(write_mask
);
1516 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_3
, &src_param
);
1518 if (mask_size
> 1) {
1519 shader_addline(buffer
, "vec%d(inversesqrt(%s)));\n", mask_size
, src_param
.param_str
);
1521 shader_addline(buffer
, "inversesqrt(%s));\n", src_param
.param_str
);
1525 /** Process signed comparison opcodes in GLSL. */
1526 void shader_glsl_compare(SHADER_OPCODE_ARG
* arg
) {
1527 glsl_src_param_t src0_param
;
1528 glsl_src_param_t src1_param
;
1532 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1533 mask_size
= shader_glsl_get_write_mask_size(write_mask
);
1534 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], write_mask
, &src0_param
);
1535 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1537 if (mask_size
> 1) {
1538 const char *compare
;
1540 switch(arg
->opcode
->opcode
) {
1541 case WINED3DSIO_SLT
: compare
= "lessThan"; break;
1542 case WINED3DSIO_SGE
: compare
= "greaterThanEqual"; break;
1543 default: compare
= "";
1544 FIXME("Can't handle opcode %s\n", arg
->opcode
->name
);
1547 shader_addline(arg
->buffer
, "vec%d(%s(%s, %s)));\n", mask_size
, compare
,
1548 src0_param
.param_str
, src1_param
.param_str
);
1550 const char *compare
;
1552 switch(arg
->opcode
->opcode
) {
1553 case WINED3DSIO_SLT
: compare
= "<"; break;
1554 case WINED3DSIO_SGE
: compare
= ">="; break;
1555 default: compare
= "";
1556 FIXME("Can't handle opcode %s\n", arg
->opcode
->name
);
1559 shader_addline(arg
->buffer
, "(%s %s %s) ? 1.0 : 0.0);\n",
1560 src0_param
.param_str
, compare
, src1_param
.param_str
);
1564 /** Process CMP instruction in GLSL (dst = src0 >= 0.0 ? src1 : src2), per channel */
1565 void shader_glsl_cmp(SHADER_OPCODE_ARG
* arg
) {
1566 glsl_src_param_t src0_param
;
1567 glsl_src_param_t src1_param
;
1568 glsl_src_param_t src2_param
;
1569 DWORD write_mask
, cmp_channel
= 0;
1572 BOOL temp_destination
= FALSE
;
1574 DWORD src0reg
= arg
->src
[0] & WINED3DSP_REGNUM_MASK
;
1575 DWORD src1reg
= arg
->src
[1] & WINED3DSP_REGNUM_MASK
;
1576 DWORD src2reg
= arg
->src
[2] & WINED3DSP_REGNUM_MASK
;
1577 DWORD src0regtype
= shader_get_regtype(arg
->src
[0]);
1578 DWORD src1regtype
= shader_get_regtype(arg
->src
[1]);
1579 DWORD src2regtype
= shader_get_regtype(arg
->src
[2]);
1580 DWORD dstreg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
1581 DWORD dstregtype
= shader_get_regtype(arg
->dst
);
1583 /* Cycle through all source0 channels */
1584 for (i
=0; i
<4; i
++) {
1586 /* Find the destination channels which use the current source0 channel */
1587 for (j
=0; j
<4; j
++) {
1588 if ( ((arg
->src
[0] >> (WINED3DSP_SWIZZLE_SHIFT
+ 2*j
)) & 0x3) == i
) {
1589 write_mask
|= WINED3DSP_WRITEMASK_0
<< j
;
1590 cmp_channel
= WINED3DSP_WRITEMASK_0
<< j
;
1594 /* Splitting the cmp instruction up in multiple lines imposes a problem:
1595 * The first lines may overwrite source parameters of the following lines.
1596 * Deal with that by using a temporary destination register if needed
1598 if((src0reg
== dstreg
&& src0regtype
== dstregtype
) ||
1599 (src1reg
== dstreg
&& src1regtype
== dstregtype
) ||
1600 (src2reg
== dstreg
&& src2regtype
== dstregtype
)) {
1602 write_mask
= shader_glsl_get_write_mask(arg
->dst
& (~WINED3DSP_SWIZZLE_MASK
| write_mask
), mask_char
);
1603 if (!write_mask
) continue;
1604 shader_addline(arg
->buffer
, "tmp0%s = (", mask_char
);
1605 temp_destination
= TRUE
;
1607 write_mask
= shader_glsl_append_dst_ext(arg
->buffer
, arg
, arg
->dst
& (~WINED3DSP_SWIZZLE_MASK
| write_mask
));
1608 if (!write_mask
) continue;
1611 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], cmp_channel
, &src0_param
);
1612 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1613 shader_glsl_add_src_param(arg
, arg
->src
[2], arg
->src_addr
[2], write_mask
, &src2_param
);
1615 shader_addline(arg
->buffer
, "%s >= 0.0 ? %s : %s);\n",
1616 src0_param
.param_str
, src1_param
.param_str
, src2_param
.param_str
);
1619 if(temp_destination
) {
1620 shader_glsl_get_write_mask(arg
->dst
, mask_char
);
1621 shader_glsl_append_dst_ext(arg
->buffer
, arg
, arg
->dst
);
1622 shader_addline(arg
->buffer
, "tmp0%s);\n", mask_char
);
1627 /** Process the CND opcode in GLSL (dst = (src0 > 0.5) ? src1 : src2) */
1628 /* For ps 1.1-1.3, only a single component of src0 is used. For ps 1.4
1629 * the compare is done per component of src0. */
1630 void shader_glsl_cnd(SHADER_OPCODE_ARG
* arg
) {
1631 IWineD3DBaseShaderImpl
* shader
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
1632 glsl_src_param_t src0_param
;
1633 glsl_src_param_t src1_param
;
1634 glsl_src_param_t src2_param
;
1635 DWORD write_mask
, cmp_channel
= 0;
1638 if (shader
->baseShader
.hex_version
< WINED3DPS_VERSION(1, 4)) {
1639 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1640 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1641 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1642 shader_glsl_add_src_param(arg
, arg
->src
[2], arg
->src_addr
[2], write_mask
, &src2_param
);
1644 /* Fun: The D3DSI_COISSUE flag changes the semantic of the cnd instruction for < 1.4 shaders */
1645 if(arg
->opcode_token
& WINED3DSI_COISSUE
) {
1646 shader_addline(arg
->buffer
, "%s /* COISSUE! */);\n", src1_param
.param_str
);
1648 shader_addline(arg
->buffer
, "%s > 0.5 ? %s : %s);\n",
1649 src0_param
.param_str
, src1_param
.param_str
, src2_param
.param_str
);
1653 /* Cycle through all source0 channels */
1654 for (i
=0; i
<4; i
++) {
1656 /* Find the destination channels which use the current source0 channel */
1657 for (j
=0; j
<4; j
++) {
1658 if ( ((arg
->src
[0] >> (WINED3DSP_SWIZZLE_SHIFT
+ 2*j
)) & 0x3) == i
) {
1659 write_mask
|= WINED3DSP_WRITEMASK_0
<< j
;
1660 cmp_channel
= WINED3DSP_WRITEMASK_0
<< j
;
1663 write_mask
= shader_glsl_append_dst_ext(arg
->buffer
, arg
, arg
->dst
& (~WINED3DSP_SWIZZLE_MASK
| write_mask
));
1664 if (!write_mask
) continue;
1666 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], cmp_channel
, &src0_param
);
1667 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1668 shader_glsl_add_src_param(arg
, arg
->src
[2], arg
->src_addr
[2], write_mask
, &src2_param
);
1670 shader_addline(arg
->buffer
, "%s > 0.5 ? %s : %s);\n",
1671 src0_param
.param_str
, src1_param
.param_str
, src2_param
.param_str
);
1675 /** GLSL code generation for WINED3DSIO_MAD: Multiply the first 2 opcodes, then add the last */
1676 void shader_glsl_mad(SHADER_OPCODE_ARG
* arg
) {
1677 glsl_src_param_t src0_param
;
1678 glsl_src_param_t src1_param
;
1679 glsl_src_param_t src2_param
;
1682 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1683 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], write_mask
, &src0_param
);
1684 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1685 shader_glsl_add_src_param(arg
, arg
->src
[2], arg
->src_addr
[2], write_mask
, &src2_param
);
1686 shader_addline(arg
->buffer
, "(%s * %s) + %s);\n",
1687 src0_param
.param_str
, src1_param
.param_str
, src2_param
.param_str
);
1690 /** Handles transforming all WINED3DSIO_M?x? opcodes for
1691 Vertex shaders to GLSL codes */
1692 void shader_glsl_mnxn(SHADER_OPCODE_ARG
* arg
) {
1694 int nComponents
= 0;
1695 SHADER_OPCODE_ARG tmpArg
;
1697 memset(&tmpArg
, 0, sizeof(SHADER_OPCODE_ARG
));
1699 /* Set constants for the temporary argument */
1700 tmpArg
.shader
= arg
->shader
;
1701 tmpArg
.buffer
= arg
->buffer
;
1702 tmpArg
.src
[0] = arg
->src
[0];
1703 tmpArg
.src_addr
[0] = arg
->src_addr
[0];
1704 tmpArg
.src_addr
[1] = arg
->src_addr
[1];
1705 tmpArg
.reg_maps
= arg
->reg_maps
;
1707 switch(arg
->opcode
->opcode
) {
1708 case WINED3DSIO_M4x4
:
1710 tmpArg
.opcode
= shader_get_opcode(arg
->shader
, WINED3DSIO_DP4
);
1712 case WINED3DSIO_M4x3
:
1714 tmpArg
.opcode
= shader_get_opcode(arg
->shader
, WINED3DSIO_DP4
);
1716 case WINED3DSIO_M3x4
:
1718 tmpArg
.opcode
= shader_get_opcode(arg
->shader
, WINED3DSIO_DP3
);
1720 case WINED3DSIO_M3x3
:
1722 tmpArg
.opcode
= shader_get_opcode(arg
->shader
, WINED3DSIO_DP3
);
1724 case WINED3DSIO_M3x2
:
1726 tmpArg
.opcode
= shader_get_opcode(arg
->shader
, WINED3DSIO_DP3
);
1732 for (i
= 0; i
< nComponents
; i
++) {
1733 tmpArg
.dst
= ((arg
->dst
) & ~WINED3DSP_WRITEMASK_ALL
)|(WINED3DSP_WRITEMASK_0
<<i
);
1734 tmpArg
.src
[1] = arg
->src
[1]+i
;
1735 shader_glsl_dot(&tmpArg
);
1740 The LRP instruction performs a component-wise linear interpolation
1741 between the second and third operands using the first operand as the
1742 blend factor. Equation: (dst = src2 + src0 * (src1 - src2))
1743 This is equivalent to mix(src2, src1, src0);
1745 void shader_glsl_lrp(SHADER_OPCODE_ARG
* arg
) {
1746 glsl_src_param_t src0_param
;
1747 glsl_src_param_t src1_param
;
1748 glsl_src_param_t src2_param
;
1751 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1753 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], write_mask
, &src0_param
);
1754 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], write_mask
, &src1_param
);
1755 shader_glsl_add_src_param(arg
, arg
->src
[2], arg
->src_addr
[2], write_mask
, &src2_param
);
1757 shader_addline(arg
->buffer
, "mix(%s, %s, %s));\n",
1758 src2_param
.param_str
, src1_param
.param_str
, src0_param
.param_str
);
1761 /** Process the WINED3DSIO_LIT instruction in GLSL:
1762 * dst.x = dst.w = 1.0
1763 * dst.y = (src0.x > 0) ? src0.x
1764 * dst.z = (src0.x > 0) ? ((src0.y > 0) ? pow(src0.y, src.w) : 0) : 0
1765 * where src.w is clamped at +- 128
1767 void shader_glsl_lit(SHADER_OPCODE_ARG
* arg
) {
1768 glsl_src_param_t src0_param
;
1769 glsl_src_param_t src1_param
;
1770 glsl_src_param_t src3_param
;
1773 shader_glsl_append_dst(arg
->buffer
, arg
);
1774 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
1776 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1777 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_1
, &src1_param
);
1778 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_3
, &src3_param
);
1780 shader_addline(arg
->buffer
, "vec4(1.0, (%s > 0.0 ? %s : 0.0), (%s > 0.0 ? ((%s > 0.0) ? pow(%s, clamp(%s, -128.0, 128.0)) : 0.0) : 0.0), 1.0)%s);\n",
1781 src0_param
.param_str
, src0_param
.param_str
, src0_param
.param_str
, src1_param
.param_str
, src1_param
.param_str
, src3_param
.param_str
, dst_mask
);
1784 /** Process the WINED3DSIO_DST instruction in GLSL:
1786 * dst.y = src0.x * src0.y
1790 void shader_glsl_dst(SHADER_OPCODE_ARG
* arg
) {
1791 glsl_src_param_t src0y_param
;
1792 glsl_src_param_t src0z_param
;
1793 glsl_src_param_t src1y_param
;
1794 glsl_src_param_t src1w_param
;
1797 shader_glsl_append_dst(arg
->buffer
, arg
);
1798 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
1800 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_1
, &src0y_param
);
1801 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_2
, &src0z_param
);
1802 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_1
, &src1y_param
);
1803 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_3
, &src1w_param
);
1805 shader_addline(arg
->buffer
, "vec4(1.0, %s * %s, %s, %s))%s;\n",
1806 src0y_param
.param_str
, src1y_param
.param_str
, src0z_param
.param_str
, src1w_param
.param_str
, dst_mask
);
1809 /** Process the WINED3DSIO_SINCOS instruction in GLSL:
1810 * VS 2.0 requires that specific cosine and sine constants be passed to this instruction so the hardware
1811 * can handle it. But, these functions are built-in for GLSL, so we can just ignore the last 2 params.
1813 * dst.x = cos(src0.?)
1814 * dst.y = sin(src0.?)
1818 void shader_glsl_sincos(SHADER_OPCODE_ARG
* arg
) {
1819 glsl_src_param_t src0_param
;
1822 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
1823 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1825 switch (write_mask
) {
1826 case WINED3DSP_WRITEMASK_0
:
1827 shader_addline(arg
->buffer
, "cos(%s));\n", src0_param
.param_str
);
1830 case WINED3DSP_WRITEMASK_1
:
1831 shader_addline(arg
->buffer
, "sin(%s));\n", src0_param
.param_str
);
1834 case (WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
):
1835 shader_addline(arg
->buffer
, "vec2(cos(%s), sin(%s)));\n", src0_param
.param_str
, src0_param
.param_str
);
1839 ERR("Write mask should be .x, .y or .xy\n");
1844 /** Process the WINED3DSIO_LOOP instruction in GLSL:
1845 * Start a for() loop where src1.y is the initial value of aL,
1846 * increment aL by src1.z for a total of src1.x iterations.
1847 * Need to use a temporary variable for this operation.
1849 /* FIXME: I don't think nested loops will work correctly this way. */
1850 void shader_glsl_loop(SHADER_OPCODE_ARG
* arg
) {
1851 glsl_src_param_t src1_param
;
1852 IWineD3DBaseShaderImpl
* shader
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
1853 DWORD regtype
= shader_get_regtype(arg
->src
[1]);
1854 DWORD reg
= arg
->src
[1] & WINED3DSP_REGNUM_MASK
;
1855 const DWORD
*control_values
= NULL
;
1856 local_constant
*constant
;
1858 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_ALL
, &src1_param
);
1860 /* Try to hardcode the loop control parameters if possible. Direct3D 9 class hardware doesn't support real
1861 * varying indexing, but Microsoft designed this feature for Shader model 2.x+. If the loop control is
1862 * known at compile time, the GLSL compiler can unroll the loop, and replace indirect addressing with direct
1865 if(regtype
== WINED3DSPR_CONSTINT
) {
1866 LIST_FOR_EACH_ENTRY(constant
, &shader
->baseShader
.constantsI
, local_constant
, entry
) {
1867 if(constant
->idx
== reg
) {
1868 control_values
= constant
->value
;
1874 if(control_values
) {
1875 if(control_values
[2] > 0) {
1876 shader_addline(arg
->buffer
, "for (aL%u = %d; aL%u < (%d * %d + %d); aL%u += %d) {\n",
1877 shader
->baseShader
.cur_loop_depth
, control_values
[1],
1878 shader
->baseShader
.cur_loop_depth
, control_values
[0], control_values
[2], control_values
[1],
1879 shader
->baseShader
.cur_loop_depth
, control_values
[2]);
1880 } else if(control_values
[2] == 0) {
1881 shader_addline(arg
->buffer
, "for (aL%u = %d, tmpInt%u = 0; tmpInt%u < %d; tmpInt%u++) {\n",
1882 shader
->baseShader
.cur_loop_depth
, control_values
[1], shader
->baseShader
.cur_loop_depth
,
1883 shader
->baseShader
.cur_loop_depth
, control_values
[0],
1884 shader
->baseShader
.cur_loop_depth
);
1886 shader_addline(arg
->buffer
, "for (aL%u = %d; aL%u > (%d * %d + %d); aL%u += %d) {\n",
1887 shader
->baseShader
.cur_loop_depth
, control_values
[1],
1888 shader
->baseShader
.cur_loop_depth
, control_values
[0], control_values
[2], control_values
[1],
1889 shader
->baseShader
.cur_loop_depth
, control_values
[2]);
1892 shader_addline(arg
->buffer
, "for (tmpInt%u = 0, aL%u = %s.y; tmpInt%u < %s.x; tmpInt%u++, aL%u += %s.z) {\n",
1893 shader
->baseShader
.cur_loop_depth
, shader
->baseShader
.cur_loop_regno
,
1894 src1_param
.reg_name
, shader
->baseShader
.cur_loop_depth
, src1_param
.reg_name
,
1895 shader
->baseShader
.cur_loop_depth
, shader
->baseShader
.cur_loop_regno
, src1_param
.reg_name
);
1898 shader
->baseShader
.cur_loop_depth
++;
1899 shader
->baseShader
.cur_loop_regno
++;
1902 void shader_glsl_end(SHADER_OPCODE_ARG
* arg
) {
1903 IWineD3DBaseShaderImpl
* shader
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
1905 shader_addline(arg
->buffer
, "}\n");
1907 if(arg
->opcode
->opcode
== WINED3DSIO_ENDLOOP
) {
1908 shader
->baseShader
.cur_loop_depth
--;
1909 shader
->baseShader
.cur_loop_regno
--;
1911 if(arg
->opcode
->opcode
== WINED3DSIO_ENDREP
) {
1912 shader
->baseShader
.cur_loop_depth
--;
1916 void shader_glsl_rep(SHADER_OPCODE_ARG
* arg
) {
1917 IWineD3DBaseShaderImpl
* shader
= (IWineD3DBaseShaderImpl
*) arg
->shader
;
1918 glsl_src_param_t src0_param
;
1920 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1921 shader_addline(arg
->buffer
, "for (tmpInt%d = 0; tmpInt%d < %s; tmpInt%d++) {\n",
1922 shader
->baseShader
.cur_loop_depth
, shader
->baseShader
.cur_loop_depth
,
1923 src0_param
.param_str
, shader
->baseShader
.cur_loop_depth
);
1924 shader
->baseShader
.cur_loop_depth
++;
1927 void shader_glsl_if(SHADER_OPCODE_ARG
* arg
) {
1928 glsl_src_param_t src0_param
;
1930 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1931 shader_addline(arg
->buffer
, "if (%s) {\n", src0_param
.param_str
);
1934 void shader_glsl_ifc(SHADER_OPCODE_ARG
* arg
) {
1935 glsl_src_param_t src0_param
;
1936 glsl_src_param_t src1_param
;
1938 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1939 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_0
, &src1_param
);
1941 shader_addline(arg
->buffer
, "if (%s %s %s) {\n",
1942 src0_param
.param_str
, shader_get_comp_op(arg
->opcode_token
), src1_param
.param_str
);
1945 void shader_glsl_else(SHADER_OPCODE_ARG
* arg
) {
1946 shader_addline(arg
->buffer
, "} else {\n");
1949 void shader_glsl_break(SHADER_OPCODE_ARG
* arg
) {
1950 shader_addline(arg
->buffer
, "break;\n");
1953 /* FIXME: According to MSDN the compare is done per component. */
1954 void shader_glsl_breakc(SHADER_OPCODE_ARG
* arg
) {
1955 glsl_src_param_t src0_param
;
1956 glsl_src_param_t src1_param
;
1958 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
, &src0_param
);
1959 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_0
, &src1_param
);
1961 shader_addline(arg
->buffer
, "if (%s %s %s) break;\n",
1962 src0_param
.param_str
, shader_get_comp_op(arg
->opcode_token
), src1_param
.param_str
);
1965 void shader_glsl_label(SHADER_OPCODE_ARG
* arg
) {
1967 DWORD snum
= (arg
->src
[0]) & WINED3DSP_REGNUM_MASK
;
1968 shader_addline(arg
->buffer
, "}\n");
1969 shader_addline(arg
->buffer
, "void subroutine%lu () {\n", snum
);
1972 void shader_glsl_call(SHADER_OPCODE_ARG
* arg
) {
1973 DWORD snum
= (arg
->src
[0]) & WINED3DSP_REGNUM_MASK
;
1974 shader_addline(arg
->buffer
, "subroutine%lu();\n", snum
);
1977 void shader_glsl_callnz(SHADER_OPCODE_ARG
* arg
) {
1978 glsl_src_param_t src1_param
;
1980 DWORD snum
= (arg
->src
[0]) & WINED3DSP_REGNUM_MASK
;
1981 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_0
, &src1_param
);
1982 shader_addline(arg
->buffer
, "if (%s) subroutine%lu();\n", src1_param
.param_str
, snum
);
1985 /*********************************************
1986 * Pixel Shader Specific Code begins here
1987 ********************************************/
1988 void pshader_glsl_tex(SHADER_OPCODE_ARG
* arg
) {
1989 IWineD3DPixelShaderImpl
* This
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
1990 IWineD3DDeviceImpl
* deviceImpl
= (IWineD3DDeviceImpl
*) This
->baseShader
.device
;
1991 DWORD hex_version
= This
->baseShader
.hex_version
;
1992 char dst_swizzle
[6];
1993 glsl_sample_function_t sample_function
;
1999 /* All versions have a destination register */
2000 shader_glsl_append_dst(arg
->buffer
, arg
);
2002 /* 1.0-1.4: Use destination register as sampler source.
2003 * 2.0+: Use provided sampler source. */
2004 if (hex_version
< WINED3DPS_VERSION(1,4)) {
2007 sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2008 flags
= deviceImpl
->stateBlock
->textureState
[sampler_idx
][WINED3DTSS_TEXTURETRANSFORMFLAGS
];
2010 if (flags
& WINED3DTTFF_PROJECTED
) {
2012 switch (flags
& ~WINED3DTTFF_PROJECTED
) {
2013 case WINED3DTTFF_COUNT1
: FIXME("WINED3DTTFF_PROJECTED with WINED3DTTFF_COUNT1?\n"); break;
2014 case WINED3DTTFF_COUNT2
: mask
= WINED3DSP_WRITEMASK_1
; break;
2015 case WINED3DTTFF_COUNT3
: mask
= WINED3DSP_WRITEMASK_2
; break;
2016 case WINED3DTTFF_COUNT4
:
2017 case WINED3DTTFF_DISABLE
: mask
= WINED3DSP_WRITEMASK_3
; break;
2022 } else if (hex_version
< WINED3DPS_VERSION(2,0)) {
2023 DWORD src_mod
= arg
->src
[0] & WINED3DSP_SRCMOD_MASK
;
2024 sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2026 if (src_mod
== WINED3DSPSM_DZ
) {
2028 mask
= WINED3DSP_WRITEMASK_2
;
2029 } else if (src_mod
== WINED3DSPSM_DW
) {
2031 mask
= WINED3DSP_WRITEMASK_3
;
2036 sampler_idx
= arg
->src
[1] & WINED3DSP_REGNUM_MASK
;
2037 if(arg
->opcode_token
& WINED3DSI_TEXLD_PROJECT
) {
2038 /* ps 2.0 texldp instruction always divides by the fourth component. */
2040 mask
= WINED3DSP_WRITEMASK_3
;
2046 sampler_type
= arg
->reg_maps
->samplers
[sampler_idx
] & WINED3DSP_TEXTURETYPE_MASK
;
2047 shader_glsl_get_sample_function(sampler_type
, projected
, &sample_function
);
2048 mask
|= sample_function
.coord_mask
;
2050 if (hex_version
< WINED3DPS_VERSION(2,0)) {
2051 shader_glsl_get_write_mask(arg
->dst
, dst_swizzle
);
2053 shader_glsl_get_swizzle(arg
->src
[1], FALSE
, arg
->dst
, dst_swizzle
);
2056 /* 1.0-1.3: Use destination register as coordinate source.
2057 1.4+: Use provided coordinate source register. */
2058 if (hex_version
< WINED3DPS_VERSION(1,4)) {
2060 shader_glsl_get_write_mask(mask
, coord_mask
);
2061 shader_addline(arg
->buffer
, "%s(Psampler%u, T%u%s)%s);\n",
2062 sample_function
.name
, sampler_idx
, sampler_idx
, coord_mask
, dst_swizzle
);
2064 glsl_src_param_t coord_param
;
2065 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], mask
, &coord_param
);
2066 if(arg
->opcode_token
& WINED3DSI_TEXLD_BIAS
) {
2067 glsl_src_param_t bias
;
2068 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_3
, &bias
);
2070 shader_addline(arg
->buffer
, "%s(Psampler%u, %s, %s)%s);\n",
2071 sample_function
.name
, sampler_idx
, coord_param
.param_str
,
2072 bias
.param_str
, dst_swizzle
);
2074 shader_addline(arg
->buffer
, "%s(Psampler%u, %s)%s);\n",
2075 sample_function
.name
, sampler_idx
, coord_param
.param_str
, dst_swizzle
);
2080 void shader_glsl_texldl(SHADER_OPCODE_ARG
* arg
) {
2081 IWineD3DBaseShaderImpl
* This
= (IWineD3DBaseShaderImpl
*)arg
->shader
;
2082 glsl_sample_function_t sample_function
;
2083 glsl_src_param_t coord_param
, lod_param
;
2084 char dst_swizzle
[6];
2088 shader_glsl_append_dst(arg
->buffer
, arg
);
2089 shader_glsl_get_swizzle(arg
->src
[1], FALSE
, arg
->dst
, dst_swizzle
);
2091 sampler_idx
= arg
->src
[1] & WINED3DSP_REGNUM_MASK
;
2092 sampler_type
= arg
->reg_maps
->samplers
[sampler_idx
] & WINED3DSP_TEXTURETYPE_MASK
;
2093 shader_glsl_get_sample_function(sampler_type
, FALSE
, &sample_function
);
2094 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], sample_function
.coord_mask
, &coord_param
);
2096 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_3
, &lod_param
);
2098 if (shader_is_pshader_version(This
->baseShader
.hex_version
)) {
2099 /* The GLSL spec claims the Lod sampling functions are only supported in vertex shaders.
2100 * However, they seem to work just fine in fragment shaders as well. */
2101 WARN("Using %sLod in fragment shader.\n", sample_function
.name
);
2102 shader_addline(arg
->buffer
, "%sLod(Psampler%u, %s, %s)%s);\n",
2103 sample_function
.name
, sampler_idx
, coord_param
.param_str
, lod_param
.param_str
, dst_swizzle
);
2105 shader_addline(arg
->buffer
, "%sLod(Vsampler%u, %s, %s)%s);\n",
2106 sample_function
.name
, sampler_idx
, coord_param
.param_str
, lod_param
.param_str
, dst_swizzle
);
2110 void pshader_glsl_texcoord(SHADER_OPCODE_ARG
* arg
) {
2112 /* FIXME: Make this work for more than just 2D textures */
2114 IWineD3DPixelShaderImpl
* This
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2115 SHADER_BUFFER
* buffer
= arg
->buffer
;
2116 DWORD hex_version
= This
->baseShader
.hex_version
;
2120 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
2121 shader_glsl_get_write_mask(write_mask
, dst_mask
);
2123 if (hex_version
!= WINED3DPS_VERSION(1,4)) {
2124 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2125 shader_addline(buffer
, "clamp(gl_TexCoord[%u], 0.0, 1.0)%s);\n", reg
, dst_mask
);
2127 DWORD reg
= arg
->src
[0] & WINED3DSP_REGNUM_MASK
;
2128 DWORD src_mod
= arg
->src
[0] & WINED3DSP_SRCMOD_MASK
;
2129 char dst_swizzle
[6];
2131 shader_glsl_get_swizzle(arg
->src
[0], FALSE
, write_mask
, dst_swizzle
);
2133 if (src_mod
== WINED3DSPSM_DZ
) {
2134 glsl_src_param_t div_param
;
2135 size_t mask_size
= shader_glsl_get_write_mask_size(write_mask
);
2136 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_2
, &div_param
);
2138 if (mask_size
> 1) {
2139 shader_addline(buffer
, "gl_TexCoord[%u]%s / vec%d(%s));\n", reg
, dst_swizzle
, mask_size
, div_param
.param_str
);
2141 shader_addline(buffer
, "gl_TexCoord[%u]%s / %s);\n", reg
, dst_swizzle
, div_param
.param_str
);
2143 } else if (src_mod
== WINED3DSPSM_DW
) {
2144 glsl_src_param_t div_param
;
2145 size_t mask_size
= shader_glsl_get_write_mask_size(write_mask
);
2146 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_3
, &div_param
);
2148 if (mask_size
> 1) {
2149 shader_addline(buffer
, "gl_TexCoord[%u]%s / vec%d(%s));\n", reg
, dst_swizzle
, mask_size
, div_param
.param_str
);
2151 shader_addline(buffer
, "gl_TexCoord[%u]%s / %s);\n", reg
, dst_swizzle
, div_param
.param_str
);
2154 shader_addline(buffer
, "gl_TexCoord[%u]%s);\n", reg
, dst_swizzle
);
2159 /** Process the WINED3DSIO_TEXDP3TEX instruction in GLSL:
2160 * Take a 3-component dot product of the TexCoord[dstreg] and src,
2161 * then perform a 1D texture lookup from stage dstregnum, place into dst. */
2162 void pshader_glsl_texdp3tex(SHADER_OPCODE_ARG
* arg
) {
2163 glsl_src_param_t src0_param
;
2165 glsl_sample_function_t sample_function
;
2166 DWORD sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2167 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2168 DWORD sampler_type
= arg
->reg_maps
->samplers
[sampler_idx
] & WINED3DSP_TEXTURETYPE_MASK
;
2170 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2172 shader_glsl_append_dst(arg
->buffer
, arg
);
2173 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2175 /* Do I have to take care about the projected bit? I don't think so, since the dp3 returns only one
2176 * scalar, and projected sampling would require 4
2178 shader_glsl_get_sample_function(sampler_type
, FALSE
, &sample_function
);
2180 switch(count_bits(sample_function
.coord_mask
)) {
2182 shader_addline(arg
->buffer
, "%s(Psampler%u, dot(gl_TexCoord[%u].xyz, %s))%s);\n",
2183 sample_function
.name
, sampler_idx
, sampler_idx
, src0_param
.param_str
, dst_mask
);
2187 shader_addline(arg
->buffer
, "%s(Psampler%u, vec2(dot(gl_TexCoord[%u].xyz, %s), 0.0))%s);\n",
2188 sample_function
.name
, sampler_idx
, sampler_idx
, src0_param
.param_str
, dst_mask
);
2192 shader_addline(arg
->buffer
, "%s(Psampler%u, vec3(dot(gl_TexCoord[%u].xyz, %s), 0.0, 0.0))%s);\n",
2193 sample_function
.name
, sampler_idx
, sampler_idx
, src0_param
.param_str
, dst_mask
);
2196 FIXME("Unexpected mask bitcount %d\n", count_bits(sample_function
.coord_mask
));
2200 /** Process the WINED3DSIO_TEXDP3 instruction in GLSL:
2201 * Take a 3-component dot product of the TexCoord[dstreg] and src. */
2202 void pshader_glsl_texdp3(SHADER_OPCODE_ARG
* arg
) {
2203 glsl_src_param_t src0_param
;
2204 DWORD dstreg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2205 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2209 dst_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
2210 mask_size
= shader_glsl_get_write_mask_size(dst_mask
);
2211 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2213 if (mask_size
> 1) {
2214 shader_addline(arg
->buffer
, "vec%d(dot(T%u.xyz, %s)));\n", mask_size
, dstreg
, src0_param
.param_str
);
2216 shader_addline(arg
->buffer
, "dot(T%u.xyz, %s));\n", dstreg
, src0_param
.param_str
);
2220 /** Process the WINED3DSIO_TEXDEPTH instruction in GLSL:
2221 * Calculate the depth as dst.x / dst.y */
2222 void pshader_glsl_texdepth(SHADER_OPCODE_ARG
* arg
) {
2223 glsl_dst_param_t dst_param
;
2225 shader_glsl_add_dst_param(arg
, arg
->dst
, 0, &dst_param
);
2227 /* Tests show that texdepth never returns anything below 0.0, and that r5.y is clamped to 1.0.
2228 * Negative input is accepted, -0.25 / -0.5 returns 0.5. GL should clamp gl_FragDepth to [0;1], but
2229 * this doesn't always work, so clamp the results manually. Whether or not the x value is clamped at 1
2230 * too is irrelevant, since if x = 0, any y value < 1.0 (and > 1.0 is not allowed) results in a result
2233 shader_addline(arg
->buffer
, "gl_FragDepth = clamp((%s.x / min(%s.y, 1.0)), 0.0, 1.0);\n", dst_param
.reg_name
, dst_param
.reg_name
, dst_param
.reg_name
);
2236 /** Process the WINED3DSIO_TEXM3X2DEPTH instruction in GLSL:
2237 * Last row of a 3x2 matrix multiply, use the result to calculate the depth:
2238 * Calculate tmp0.y = TexCoord[dstreg] . src.xyz; (tmp0.x has already been calculated)
2239 * depth = (tmp0.y == 0.0) ? 1.0 : tmp0.x / tmp0.y
2241 void pshader_glsl_texm3x2depth(SHADER_OPCODE_ARG
* arg
) {
2242 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2243 DWORD dstreg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2244 glsl_src_param_t src0_param
;
2246 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2248 shader_addline(arg
->buffer
, "tmp0.y = dot(T%u.xyz, %s);\n", dstreg
, src0_param
.param_str
);
2249 shader_addline(arg
->buffer
, "gl_FragDepth = (tmp0.y == 0.0) ? 1.0 : clamp(tmp0.x / tmp0.y, 0.0, 1.0);\n");
2252 /** Process the WINED3DSIO_TEXM3X2PAD instruction in GLSL
2253 * Calculate the 1st of a 2-row matrix multiplication. */
2254 void pshader_glsl_texm3x2pad(SHADER_OPCODE_ARG
* arg
) {
2255 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2256 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2257 SHADER_BUFFER
* buffer
= arg
->buffer
;
2258 glsl_src_param_t src0_param
;
2260 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2261 shader_addline(buffer
, "tmp0.x = dot(T%u.xyz, %s);\n", reg
, src0_param
.param_str
);
2264 /** Process the WINED3DSIO_TEXM3X3PAD instruction in GLSL
2265 * Calculate the 1st or 2nd row of a 3-row matrix multiplication. */
2266 void pshader_glsl_texm3x3pad(SHADER_OPCODE_ARG
* arg
) {
2268 IWineD3DPixelShaderImpl
* shader
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2269 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2270 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2271 SHADER_BUFFER
* buffer
= arg
->buffer
;
2272 SHADER_PARSE_STATE
* current_state
= &shader
->baseShader
.parse_state
;
2273 glsl_src_param_t src0_param
;
2275 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2276 shader_addline(buffer
, "tmp0.%c = dot(T%u.xyz, %s);\n", 'x' + current_state
->current_row
, reg
, src0_param
.param_str
);
2277 current_state
->texcoord_w
[current_state
->current_row
++] = reg
;
2280 void pshader_glsl_texm3x2tex(SHADER_OPCODE_ARG
* arg
) {
2281 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2282 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2283 SHADER_BUFFER
* buffer
= arg
->buffer
;
2284 glsl_src_param_t src0_param
;
2287 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2288 shader_addline(buffer
, "tmp0.y = dot(T%u.xyz, %s);\n", reg
, src0_param
.param_str
);
2290 shader_glsl_append_dst(buffer
, arg
);
2291 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2293 /* Sample the texture using the calculated coordinates */
2294 shader_addline(buffer
, "texture2D(Psampler%u, tmp0.xy)%s);\n", reg
, dst_mask
);
2297 /** Process the WINED3DSIO_TEXM3X3TEX instruction in GLSL
2298 * Perform the 3rd row of a 3x3 matrix multiply, then sample the texture using the calculated coordinates */
2299 void pshader_glsl_texm3x3tex(SHADER_OPCODE_ARG
* arg
) {
2300 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2301 glsl_src_param_t src0_param
;
2303 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2304 IWineD3DPixelShaderImpl
* This
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2305 SHADER_PARSE_STATE
* current_state
= &This
->baseShader
.parse_state
;
2306 DWORD sampler_type
= arg
->reg_maps
->samplers
[reg
] & WINED3DSP_TEXTURETYPE_MASK
;
2307 glsl_sample_function_t sample_function
;
2309 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2310 shader_addline(arg
->buffer
, "tmp0.z = dot(T%u.xyz, %s);\n", reg
, src0_param
.param_str
);
2312 shader_glsl_append_dst(arg
->buffer
, arg
);
2313 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2314 shader_glsl_get_sample_function(sampler_type
, FALSE
, &sample_function
);
2316 /* Sample the texture using the calculated coordinates */
2317 shader_addline(arg
->buffer
, "%s(Psampler%u, tmp0.xyz)%s);\n", sample_function
.name
, reg
, dst_mask
);
2319 current_state
->current_row
= 0;
2322 /** Process the WINED3DSIO_TEXM3X3 instruction in GLSL
2323 * Perform the 3rd row of a 3x3 matrix multiply */
2324 void pshader_glsl_texm3x3(SHADER_OPCODE_ARG
* arg
) {
2325 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2326 glsl_src_param_t src0_param
;
2328 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2329 IWineD3DPixelShaderImpl
* This
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2330 SHADER_PARSE_STATE
* current_state
= &This
->baseShader
.parse_state
;
2332 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2334 shader_glsl_append_dst(arg
->buffer
, arg
);
2335 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2336 shader_addline(arg
->buffer
, "vec4(tmp0.xy, dot(T%u.xyz, %s), 1.0)%s);\n", reg
, src0_param
.param_str
, dst_mask
);
2338 current_state
->current_row
= 0;
2341 /** Process the WINED3DSIO_TEXM3X3SPEC instruction in GLSL
2342 * Peform the final texture lookup based on the previous 2 3x3 matrix multiplies */
2343 void pshader_glsl_texm3x3spec(SHADER_OPCODE_ARG
* arg
) {
2345 IWineD3DPixelShaderImpl
* shader
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2346 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2347 glsl_src_param_t src0_param
;
2348 glsl_src_param_t src1_param
;
2350 SHADER_BUFFER
* buffer
= arg
->buffer
;
2351 SHADER_PARSE_STATE
* current_state
= &shader
->baseShader
.parse_state
;
2352 DWORD stype
= arg
->reg_maps
->samplers
[reg
] & WINED3DSP_TEXTURETYPE_MASK
;
2353 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2354 glsl_sample_function_t sample_function
;
2356 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2357 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], src_mask
, &src1_param
);
2359 /* Perform the last matrix multiply operation */
2360 shader_addline(buffer
, "tmp0.z = dot(T%u.xyz, %s);\n", reg
, src0_param
.param_str
);
2361 /* Reflection calculation */
2362 shader_addline(buffer
, "tmp0.xyz = -reflect((%s), normalize(tmp0.xyz));\n", src1_param
.param_str
);
2364 shader_glsl_append_dst(buffer
, arg
);
2365 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2366 shader_glsl_get_sample_function(stype
, FALSE
, &sample_function
);
2368 /* Sample the texture */
2369 shader_addline(buffer
, "%s(Psampler%u, tmp0.xyz)%s);\n", sample_function
.name
, reg
, dst_mask
);
2371 current_state
->current_row
= 0;
2374 /** Process the WINED3DSIO_TEXM3X3VSPEC instruction in GLSL
2375 * Peform the final texture lookup based on the previous 2 3x3 matrix multiplies */
2376 void pshader_glsl_texm3x3vspec(SHADER_OPCODE_ARG
* arg
) {
2378 IWineD3DPixelShaderImpl
* shader
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2379 DWORD reg
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2380 SHADER_BUFFER
* buffer
= arg
->buffer
;
2381 SHADER_PARSE_STATE
* current_state
= &shader
->baseShader
.parse_state
;
2382 glsl_src_param_t src0_param
;
2384 DWORD src_mask
= WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
| WINED3DSP_WRITEMASK_2
;
2385 DWORD sampler_type
= arg
->reg_maps
->samplers
[reg
] & WINED3DSP_TEXTURETYPE_MASK
;
2386 glsl_sample_function_t sample_function
;
2388 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], src_mask
, &src0_param
);
2390 /* Perform the last matrix multiply operation */
2391 shader_addline(buffer
, "tmp0.z = dot(vec3(T%u), vec3(%s));\n", reg
, src0_param
.param_str
);
2393 /* Construct the eye-ray vector from w coordinates */
2394 shader_addline(buffer
, "tmp1.xyz = normalize(vec3(gl_TexCoord[%u].w, gl_TexCoord[%u].w, gl_TexCoord[%u].w));\n",
2395 current_state
->texcoord_w
[0], current_state
->texcoord_w
[1], reg
);
2396 shader_addline(buffer
, "tmp0.xyz = -reflect(tmp1.xyz, normalize(tmp0.xyz));\n");
2398 shader_glsl_append_dst(buffer
, arg
);
2399 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2400 shader_glsl_get_sample_function(sampler_type
, FALSE
, &sample_function
);
2402 /* Sample the texture using the calculated coordinates */
2403 shader_addline(buffer
, "%s(Psampler%u, tmp0.xyz)%s);\n", sample_function
.name
, reg
, dst_mask
);
2405 current_state
->current_row
= 0;
2408 /** Process the WINED3DSIO_TEXBEM instruction in GLSL.
2409 * Apply a fake bump map transform.
2410 * texbem is pshader <= 1.3 only, this saves a few version checks
2412 void pshader_glsl_texbem(SHADER_OPCODE_ARG
* arg
) {
2413 IWineD3DPixelShaderImpl
* This
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2414 IWineD3DDeviceImpl
* deviceImpl
= (IWineD3DDeviceImpl
*) This
->baseShader
.device
;
2415 char dst_swizzle
[6];
2416 glsl_sample_function_t sample_function
;
2417 glsl_src_param_t coord_param
;
2424 sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2425 flags
= deviceImpl
->stateBlock
->textureState
[sampler_idx
][WINED3DTSS_TEXTURETRANSFORMFLAGS
];
2427 sampler_type
= arg
->reg_maps
->samplers
[sampler_idx
] & WINED3DSP_TEXTURETYPE_MASK
;
2428 shader_glsl_get_sample_function(sampler_type
, FALSE
, &sample_function
);
2429 mask
= sample_function
.coord_mask
;
2431 shader_glsl_get_write_mask(arg
->dst
, dst_swizzle
);
2433 shader_glsl_get_write_mask(mask
, coord_mask
);
2435 /* with projective textures, texbem only divides the static texture coord, not the displacement,
2436 * so we can't let the GL handle this.
2438 if (flags
& WINED3DTTFF_PROJECTED
) {
2440 char coord_div_mask
[3];
2441 switch (flags
& ~WINED3DTTFF_PROJECTED
) {
2442 case WINED3DTTFF_COUNT1
: FIXME("WINED3DTTFF_PROJECTED with WINED3DTTFF_COUNT1?\n"); break;
2443 case WINED3DTTFF_COUNT2
: div_mask
= WINED3DSP_WRITEMASK_1
; break;
2444 case WINED3DTTFF_COUNT3
: div_mask
= WINED3DSP_WRITEMASK_2
; break;
2445 case WINED3DTTFF_COUNT4
:
2446 case WINED3DTTFF_DISABLE
: div_mask
= WINED3DSP_WRITEMASK_3
; break;
2448 shader_glsl_get_write_mask(div_mask
, coord_div_mask
);
2449 shader_addline(arg
->buffer
, "T%u%s /= T%u%s;\n", sampler_idx
, coord_mask
, sampler_idx
, coord_div_mask
);
2452 shader_glsl_append_dst(arg
->buffer
, arg
);
2453 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
|WINED3DSP_WRITEMASK_1
, &coord_param
);
2454 if(arg
->opcode
->opcode
== WINED3DSIO_TEXBEML
) {
2455 glsl_src_param_t luminance_param
;
2456 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_2
, &luminance_param
);
2457 shader_addline(arg
->buffer
, "(%s(Psampler%u, T%u%s + vec4(bumpenvmat * %s, 0.0, 0.0)%s )*(%s * luminancescale + luminanceoffset))%s);\n",
2458 sample_function
.name
, sampler_idx
, sampler_idx
, coord_mask
, coord_param
.param_str
, coord_mask
,
2459 luminance_param
.param_str
, dst_swizzle
);
2461 shader_addline(arg
->buffer
, "%s(Psampler%u, T%u%s + vec4(bumpenvmat * %s, 0.0, 0.0)%s )%s);\n",
2462 sample_function
.name
, sampler_idx
, sampler_idx
, coord_mask
, coord_param
.param_str
, coord_mask
, dst_swizzle
);
2466 void pshader_glsl_bem(SHADER_OPCODE_ARG
* arg
) {
2467 glsl_src_param_t src0_param
, src1_param
;
2469 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
|WINED3DSP_WRITEMASK_1
, &src0_param
);
2470 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_0
|WINED3DSP_WRITEMASK_1
, &src1_param
);
2472 shader_glsl_append_dst(arg
->buffer
, arg
);
2473 shader_addline(arg
->buffer
, "%s + bumpenvmat * %s);\n",
2474 src0_param
.param_str
, src1_param
.param_str
);
2477 /** Process the WINED3DSIO_TEXREG2AR instruction in GLSL
2478 * Sample 2D texture at dst using the alpha & red (wx) components of src as texture coordinates */
2479 void pshader_glsl_texreg2ar(SHADER_OPCODE_ARG
* arg
) {
2481 glsl_src_param_t src0_param
;
2482 DWORD sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2485 shader_glsl_append_dst(arg
->buffer
, arg
);
2486 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2487 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_ALL
, &src0_param
);
2489 shader_addline(arg
->buffer
, "texture2D(Psampler%u, %s.wx)%s);\n", sampler_idx
, src0_param
.reg_name
, dst_mask
);
2492 /** Process the WINED3DSIO_TEXREG2GB instruction in GLSL
2493 * Sample 2D texture at dst using the green & blue (yz) components of src as texture coordinates */
2494 void pshader_glsl_texreg2gb(SHADER_OPCODE_ARG
* arg
) {
2495 glsl_src_param_t src0_param
;
2496 DWORD sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2499 shader_glsl_append_dst(arg
->buffer
, arg
);
2500 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2501 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_ALL
, &src0_param
);
2503 shader_addline(arg
->buffer
, "texture2D(Psampler%u, %s.yz)%s);\n", sampler_idx
, src0_param
.reg_name
, dst_mask
);
2506 /** Process the WINED3DSIO_TEXREG2RGB instruction in GLSL
2507 * Sample texture at dst using the rgb (xyz) components of src as texture coordinates */
2508 void pshader_glsl_texreg2rgb(SHADER_OPCODE_ARG
* arg
) {
2509 glsl_src_param_t src0_param
;
2511 DWORD sampler_idx
= arg
->dst
& WINED3DSP_REGNUM_MASK
;
2512 DWORD sampler_type
= arg
->reg_maps
->samplers
[sampler_idx
] & WINED3DSP_TEXTURETYPE_MASK
;
2513 glsl_sample_function_t sample_function
;
2515 shader_glsl_append_dst(arg
->buffer
, arg
);
2516 shader_glsl_get_write_mask(arg
->dst
, dst_mask
);
2517 shader_glsl_get_sample_function(sampler_type
, FALSE
, &sample_function
);
2518 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], sample_function
.coord_mask
, &src0_param
);
2520 shader_addline(arg
->buffer
, "%s(Psampler%u, %s)%s);\n", sample_function
.name
, sampler_idx
, src0_param
.param_str
, dst_mask
);
2523 /** Process the WINED3DSIO_TEXKILL instruction in GLSL.
2524 * If any of the first 3 components are < 0, discard this pixel */
2525 void pshader_glsl_texkill(SHADER_OPCODE_ARG
* arg
) {
2526 IWineD3DPixelShaderImpl
* This
= (IWineD3DPixelShaderImpl
*) arg
->shader
;
2527 DWORD hex_version
= This
->baseShader
.hex_version
;
2528 glsl_dst_param_t dst_param
;
2530 /* The argument is a destination parameter, and no writemasks are allowed */
2531 shader_glsl_add_dst_param(arg
, arg
->dst
, 0, &dst_param
);
2532 if((hex_version
>= WINED3DPS_VERSION(2,0))) {
2533 /* 2.0 shaders compare all 4 components in texkill */
2534 shader_addline(arg
->buffer
, "if (any(lessThan(%s.xyzw, vec4(0.0)))) discard;\n", dst_param
.reg_name
);
2536 /* 1.X shaders only compare the first 3 components, propably due to the nature of the texkill
2537 * instruction as a tex* instruction, and phase, which kills all a / w components. Even if all
2538 * 4 components are defined, only the first 3 are used
2540 shader_addline(arg
->buffer
, "if (any(lessThan(%s.xyz, vec3(0.0)))) discard;\n", dst_param
.reg_name
);
2544 /** Process the WINED3DSIO_DP2ADD instruction in GLSL.
2545 * dst = dot2(src0, src1) + src2 */
2546 void pshader_glsl_dp2add(SHADER_OPCODE_ARG
* arg
) {
2547 glsl_src_param_t src0_param
;
2548 glsl_src_param_t src1_param
;
2549 glsl_src_param_t src2_param
;
2553 write_mask
= shader_glsl_append_dst(arg
->buffer
, arg
);
2554 mask_size
= shader_glsl_get_write_mask_size(write_mask
);
2556 shader_glsl_add_src_param(arg
, arg
->src
[0], arg
->src_addr
[0], WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
, &src0_param
);
2557 shader_glsl_add_src_param(arg
, arg
->src
[1], arg
->src_addr
[1], WINED3DSP_WRITEMASK_0
| WINED3DSP_WRITEMASK_1
, &src1_param
);
2558 shader_glsl_add_src_param(arg
, arg
->src
[2], arg
->src_addr
[2], WINED3DSP_WRITEMASK_0
, &src2_param
);
2560 shader_addline(arg
->buffer
, "dot(%s, %s) + %s);\n", src0_param
.param_str
, src1_param
.param_str
, src2_param
.param_str
);
2563 void pshader_glsl_input_pack(
2564 SHADER_BUFFER
* buffer
,
2565 semantic
* semantics_in
,
2566 IWineD3DPixelShader
*iface
) {
2569 IWineD3DPixelShaderImpl
*This
= (IWineD3DPixelShaderImpl
*) iface
;
2571 for (i
= 0; i
< MAX_REG_INPUT
; i
++) {
2573 DWORD usage_token
= semantics_in
[i
].usage
;
2574 DWORD register_token
= semantics_in
[i
].reg
;
2575 DWORD usage
, usage_idx
;
2579 if (!usage_token
) continue;
2580 usage
= (usage_token
& WINED3DSP_DCL_USAGE_MASK
) >> WINED3DSP_DCL_USAGE_SHIFT
;
2581 usage_idx
= (usage_token
& WINED3DSP_DCL_USAGEINDEX_MASK
) >> WINED3DSP_DCL_USAGEINDEX_SHIFT
;
2582 shader_glsl_get_write_mask(register_token
, reg_mask
);
2586 case WINED3DDECLUSAGE_TEXCOORD
:
2587 if(usage_idx
< 8 && This
->vertexprocessing
== pretransformed
) {
2588 shader_addline(buffer
, "IN[%u]%s = gl_TexCoord[%u]%s;\n",
2589 This
->input_reg_map
[i
], reg_mask
, usage_idx
, reg_mask
);
2591 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2592 This
->input_reg_map
[i
], reg_mask
, reg_mask
);
2596 case WINED3DDECLUSAGE_COLOR
:
2598 shader_addline(buffer
, "IN[%u]%s = vec4(gl_Color)%s;\n",
2599 This
->input_reg_map
[i
], reg_mask
, reg_mask
);
2600 else if (usage_idx
== 1)
2601 shader_addline(buffer
, "IN[%u]%s = vec4(gl_SecondaryColor)%s;\n",
2602 This
->input_reg_map
[i
], reg_mask
, reg_mask
);
2604 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2605 This
->input_reg_map
[i
], reg_mask
, reg_mask
);
2609 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2610 This
->input_reg_map
[i
], reg_mask
, reg_mask
);
2615 /*********************************************
2616 * Vertex Shader Specific Code begins here
2617 ********************************************/
2619 static void add_glsl_program_entry(IWineD3DDeviceImpl
*device
, struct glsl_shader_prog_link
*entry
) {
2620 glsl_program_key_t
*key
;
2622 key
= HeapAlloc(GetProcessHeap(), 0, sizeof(glsl_program_key_t
));
2623 key
->vshader
= entry
->vshader
;
2624 key
->pshader
= entry
->pshader
;
2626 hash_table_put(device
->glsl_program_lookup
, key
, entry
);
2629 static struct glsl_shader_prog_link
*get_glsl_program_entry(IWineD3DDeviceImpl
*device
,
2630 GLhandleARB vshader
, GLhandleARB pshader
) {
2631 glsl_program_key_t key
;
2633 key
.vshader
= vshader
;
2634 key
.pshader
= pshader
;
2636 return (struct glsl_shader_prog_link
*)hash_table_get(device
->glsl_program_lookup
, &key
);
2639 void delete_glsl_program_entry(IWineD3DDevice
*iface
, struct glsl_shader_prog_link
*entry
) {
2640 IWineD3DDeviceImpl
*This
= (IWineD3DDeviceImpl
*)iface
;
2641 WineD3D_GL_Info
*gl_info
= &This
->adapter
->gl_info
;
2642 glsl_program_key_t
*key
;
2644 key
= HeapAlloc(GetProcessHeap(), 0, sizeof(glsl_program_key_t
));
2645 key
->vshader
= entry
->vshader
;
2646 key
->pshader
= entry
->pshader
;
2647 hash_table_remove(This
->glsl_program_lookup
, key
);
2649 GL_EXTCALL(glDeleteObjectARB(entry
->programId
));
2650 if (entry
->vshader
) list_remove(&entry
->vshader_entry
);
2651 if (entry
->pshader
) list_remove(&entry
->pshader_entry
);
2652 HeapFree(GetProcessHeap(), 0, entry
->vuniformF_locations
);
2653 HeapFree(GetProcessHeap(), 0, entry
->puniformF_locations
);
2654 HeapFree(GetProcessHeap(), 0, entry
);
2657 static void handle_ps3_input(SHADER_BUFFER
*buffer
, semantic
*semantics_in
, semantic
*semantics_out
, WineD3D_GL_Info
*gl_info
, DWORD
*map
) {
2659 DWORD usage_token
, usage_token_out
;
2660 DWORD register_token
, register_token_out
;
2661 DWORD usage
, usage_idx
, usage_out
, usage_idx_out
;
2663 char reg_mask
[6], reg_mask_out
[6];
2665 set
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*set
) * (GL_LIMITS(glsl_varyings
) / 4));
2667 for(i
= 0; i
< MAX_REG_INPUT
; i
++) {
2668 usage_token
= semantics_in
[i
].usage
;
2669 if (!usage_token
) continue;
2670 if(map
[i
] >= (GL_LIMITS(glsl_varyings
) / 4)) {
2671 FIXME("More input varyings declared than supported, expect issues\n");
2673 } else if(map
[i
] == -1) {
2674 /* Declared, but not read register */
2677 register_token
= semantics_in
[i
].reg
;
2679 usage
= (usage_token
& WINED3DSP_DCL_USAGE_MASK
) >> WINED3DSP_DCL_USAGE_SHIFT
;
2680 usage_idx
= (usage_token
& WINED3DSP_DCL_USAGEINDEX_MASK
) >> WINED3DSP_DCL_USAGEINDEX_SHIFT
;
2681 set
[map
[i
]] = shader_glsl_get_write_mask(register_token
, reg_mask
);
2683 if(!semantics_out
) {
2685 case WINED3DDECLUSAGE_COLOR
:
2687 shader_addline(buffer
, "IN[%u]%s = gl_FrontColor%s;\n",
2688 map
[i
], reg_mask
, reg_mask
);
2689 else if (usage_idx
== 1)
2690 shader_addline(buffer
, "IN[%u]%s = gl_FrontSecondaryColor%s;\n",
2691 map
[i
], reg_mask
, reg_mask
);
2693 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2694 map
[i
], reg_mask
, reg_mask
);
2697 case WINED3DDECLUSAGE_TEXCOORD
:
2698 if (usage_idx
< 8) {
2699 shader_addline(buffer
, "IN[%u]%s = gl_TexCoord[%u]%s;\n",
2700 map
[i
], reg_mask
, usage_idx
, reg_mask
);
2702 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2703 map
[i
], reg_mask
, reg_mask
);
2707 case WINED3DDECLUSAGE_FOG
:
2708 shader_addline(buffer
, "IN[%u]%s = vec4(gl_FogFragCoord, 0.0, 0.0, 0.0)%s;\n",
2709 map
[i
], reg_mask
, reg_mask
);
2713 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2714 map
[i
], reg_mask
, reg_mask
);
2718 for(j
= 0; j
< MAX_REG_OUTPUT
; j
++) {
2719 usage_token_out
= semantics_out
[j
].usage
;
2720 if (!usage_token_out
) continue;
2721 register_token_out
= semantics_out
[j
].reg
;
2723 usage_out
= (usage_token_out
& WINED3DSP_DCL_USAGE_MASK
) >> WINED3DSP_DCL_USAGE_SHIFT
;
2724 usage_idx_out
= (usage_token_out
& WINED3DSP_DCL_USAGEINDEX_MASK
) >> WINED3DSP_DCL_USAGEINDEX_SHIFT
;
2725 shader_glsl_get_write_mask(register_token_out
, reg_mask_out
);
2727 if(usage
== usage_out
&&
2728 usage_idx
== usage_idx_out
) {
2729 shader_addline(buffer
, "IN[%u]%s = OUT[%u]%s;\n",
2730 map
[i
], reg_mask
, j
, reg_mask
);
2735 shader_addline(buffer
, "IN[%u]%s = vec4(0.0, 0.0, 0.0, 0.0)%s;\n",
2736 map
[i
], reg_mask
, reg_mask
);
2741 /* This is solely to make the compiler / linker happy and avoid warning about undefined
2742 * varyings. It shouldn't result in any real code executed on the GPU, since all read
2743 * input varyings are assigned above, if the optimizer works properly.
2745 for(i
= 0; i
< GL_LIMITS(glsl_varyings
) / 4; i
++) {
2746 if(set
[i
] != WINED3DSP_WRITEMASK_ALL
) {
2747 unsigned int size
= 0;
2748 memset(reg_mask
, 0, sizeof(reg_mask
));
2749 if(!(set
[i
] & WINED3DSP_WRITEMASK_0
)) {
2750 reg_mask
[size
] = 'x';
2753 if(!(set
[i
] & WINED3DSP_WRITEMASK_1
)) {
2754 reg_mask
[size
] = 'y';
2757 if(!(set
[i
] & WINED3DSP_WRITEMASK_2
)) {
2758 reg_mask
[size
] = 'z';
2761 if(!(set
[i
] & WINED3DSP_WRITEMASK_3
)) {
2762 reg_mask
[size
] = 'w';
2767 shader_addline(buffer
, "IN[%u].%s = 0.0;\n", i
, reg_mask
);
2770 shader_addline(buffer
, "IN[%u].%s = vec2(0.0, 0.0);\n", i
, reg_mask
);
2773 shader_addline(buffer
, "IN[%u].%s = vec3(0.0, 0.0, 0.0);\n", i
, reg_mask
);
2776 shader_addline(buffer
, "IN[%u].%s = vec4(0.0, 0.0, 0.0, 0.0);\n", i
, reg_mask
);
2782 HeapFree(GetProcessHeap(), 0, set
);
2785 static GLhandleARB
generate_param_reorder_function(IWineD3DVertexShader
*vertexshader
,
2786 IWineD3DPixelShader
*pixelshader
,
2787 WineD3D_GL_Info
*gl_info
) {
2788 GLhandleARB ret
= 0;
2789 IWineD3DVertexShaderImpl
*vs
= (IWineD3DVertexShaderImpl
*) vertexshader
;
2790 IWineD3DPixelShaderImpl
*ps
= (IWineD3DPixelShaderImpl
*) pixelshader
;
2791 DWORD vs_major
= vs
? WINED3DSHADER_VERSION_MAJOR(vs
->baseShader
.hex_version
) : 0;
2792 DWORD ps_major
= ps
? WINED3DSHADER_VERSION_MAJOR(ps
->baseShader
.hex_version
) : 0;
2794 SHADER_BUFFER buffer
;
2796 DWORD register_token
;
2797 DWORD usage
, usage_idx
;
2799 semantic
*semantics_out
, *semantics_in
;
2801 buffer
.buffer
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, SHADER_PGMSIZE
);
2804 buffer
.newline
= TRUE
;
2806 if(vs_major
< 3 && ps_major
< 3) {
2807 /* That one is easy: The vertex shader writes to the builtin varyings, the pixel shader reads from them */
2808 shader_addline(&buffer
, "void order_ps_input() { /* do nothing */ }\n");
2809 } else if(ps_major
< 3 && vs_major
>= 3) {
2810 /* The vertex shader writes to its own varyings, the pixel shader needs them in the builtin ones */
2811 semantics_out
= vs
->semantics_out
;
2813 shader_addline(&buffer
, "void order_ps_input(in vec4 OUT[%u]) {\n", MAX_REG_OUTPUT
);
2814 for(i
= 0; i
< MAX_REG_OUTPUT
; i
++) {
2815 usage_token
= semantics_out
[i
].usage
;
2816 if (!usage_token
) continue;
2817 register_token
= semantics_out
[i
].reg
;
2819 usage
= (usage_token
& WINED3DSP_DCL_USAGE_MASK
) >> WINED3DSP_DCL_USAGE_SHIFT
;
2820 usage_idx
= (usage_token
& WINED3DSP_DCL_USAGEINDEX_MASK
) >> WINED3DSP_DCL_USAGEINDEX_SHIFT
;
2821 shader_glsl_get_write_mask(register_token
, reg_mask
);
2824 case WINED3DDECLUSAGE_COLOR
:
2826 shader_addline(&buffer
, "gl_FrontColor%s = OUT[%u]%s;\n", reg_mask
, i
, reg_mask
);
2827 else if (usage_idx
== 1)
2828 shader_addline(&buffer
, "gl_FrontSecondaryColor%s = OUT[%u]%s;\n", reg_mask
, i
, reg_mask
);
2831 case WINED3DDECLUSAGE_POSITION
:
2832 shader_addline(&buffer
, "gl_Position%s = OUT[%u]%s;\n", reg_mask
, i
, reg_mask
);
2835 case WINED3DDECLUSAGE_TEXCOORD
:
2836 if (usage_idx
< 8) {
2837 shader_addline(&buffer
, "gl_TexCoord[%u]%s = OUT[%u]%s;\n",
2838 usage_idx
, reg_mask
, i
, reg_mask
);
2842 case WINED3DDECLUSAGE_PSIZE
:
2843 shader_addline(&buffer
, "gl_PointSize = OUT[%u].x;\n", i
);
2846 case WINED3DDECLUSAGE_FOG
:
2847 shader_addline(&buffer
, "gl_FogFragCoord = OUT[%u].%c;\n", i
, reg_mask
[1]);
2854 shader_addline(&buffer
, "}\n");
2856 } else if(ps_major
>= 3 && vs_major
>= 3) {
2857 semantics_out
= vs
->semantics_out
;
2858 semantics_in
= ps
->semantics_in
;
2860 /* This one is tricky: a 3.0 pixel shader reads from a 3.0 vertex shader */
2861 shader_addline(&buffer
, "varying vec4 IN[%lu];\n", GL_LIMITS(glsl_varyings
) / 4);
2862 shader_addline(&buffer
, "void order_ps_input(in vec4 OUT[%u]) {\n", MAX_REG_OUTPUT
);
2864 /* First, sort out position and point size. Those are not passed to the pixel shader */
2865 for(i
= 0; i
< MAX_REG_OUTPUT
; i
++) {
2866 usage_token
= semantics_out
[i
].usage
;
2867 if (!usage_token
) continue;
2868 register_token
= semantics_out
[i
].reg
;
2870 usage
= (usage_token
& WINED3DSP_DCL_USAGE_MASK
) >> WINED3DSP_DCL_USAGE_SHIFT
;
2871 usage_idx
= (usage_token
& WINED3DSP_DCL_USAGEINDEX_MASK
) >> WINED3DSP_DCL_USAGEINDEX_SHIFT
;
2872 shader_glsl_get_write_mask(register_token
, reg_mask
);
2875 case WINED3DDECLUSAGE_POSITION
:
2876 shader_addline(&buffer
, "gl_Position%s = OUT[%u]%s;\n", reg_mask
, i
, reg_mask
);
2879 case WINED3DDECLUSAGE_PSIZE
:
2880 shader_addline(&buffer
, "gl_PointSize = OUT[%u].x;\n", i
);
2888 /* Then, fix the pixel shader input */
2889 handle_ps3_input(&buffer
, semantics_in
, semantics_out
, gl_info
, ps
->input_reg_map
);
2891 shader_addline(&buffer
, "}\n");
2892 } else if(ps_major
>= 3 && vs_major
< 3) {
2893 semantics_in
= ps
->semantics_in
;
2895 shader_addline(&buffer
, "varying vec4 IN[%lu];\n", GL_LIMITS(glsl_varyings
) / 4);
2896 shader_addline(&buffer
, "void order_ps_input() {\n");
2897 /* The vertex shader wrote to the builtin varyings. There is no need to figure out position and
2898 * point size, but we depend on the optimizers kindness to find out that the pixel shader doesn't
2899 * read gl_TexCoord and gl_ColorX, otherwise we'll run out of varyings
2901 handle_ps3_input(&buffer
, semantics_in
, NULL
, gl_info
, ps
->input_reg_map
);
2902 shader_addline(&buffer
, "}\n");
2904 ERR("Unexpected vertex and pixel shader version condition: vs: %d, ps: %d\n", vs_major
, ps_major
);
2907 ret
= GL_EXTCALL(glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB
));
2908 checkGLcall("glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB)");
2909 GL_EXTCALL(glShaderSourceARB(ret
, 1, (const char**)&buffer
.buffer
, NULL
));
2910 checkGLcall("glShaderSourceARB(ret, 1, (const char**)&buffer.buffer, NULL)");
2911 GL_EXTCALL(glCompileShaderARB(ret
));
2912 checkGLcall("glCompileShaderARB(ret)");
2914 HeapFree(GetProcessHeap(), 0, buffer
.buffer
);
2918 /** Sets the GLSL program ID for the given pixel and vertex shader combination.
2919 * It sets the programId on the current StateBlock (because it should be called
2920 * inside of the DrawPrimitive() part of the render loop).
2922 * If a program for the given combination does not exist, create one, and store
2923 * the program in the hash table. If it creates a program, it will link the
2924 * given objects, too.
2926 static void set_glsl_shader_program(IWineD3DDevice
*iface
, BOOL use_ps
, BOOL use_vs
) {
2927 IWineD3DDeviceImpl
*This
= (IWineD3DDeviceImpl
*)iface
;
2928 WineD3D_GL_Info
*gl_info
= &This
->adapter
->gl_info
;
2929 IWineD3DPixelShader
*pshader
= This
->stateBlock
->pixelShader
;
2930 IWineD3DVertexShader
*vshader
= This
->stateBlock
->vertexShader
;
2931 struct glsl_shader_prog_link
*entry
= NULL
;
2932 GLhandleARB programId
= 0;
2933 GLhandleARB reorder_shader_id
= 0;
2937 GLhandleARB vshader_id
= use_vs
? ((IWineD3DBaseShaderImpl
*)vshader
)->baseShader
.prgId
: 0;
2938 GLhandleARB pshader_id
= use_ps
? ((IWineD3DBaseShaderImpl
*)pshader
)->baseShader
.prgId
: 0;
2939 entry
= get_glsl_program_entry(This
, vshader_id
, pshader_id
);
2941 This
->stateBlock
->glsl_program
= entry
;
2945 /* If we get to this point, then no matching program exists, so we create one */
2946 programId
= GL_EXTCALL(glCreateProgramObjectARB());
2947 TRACE("Created new GLSL shader program %u\n", programId
);
2949 /* Create the entry */
2950 entry
= HeapAlloc(GetProcessHeap(), 0, sizeof(struct glsl_shader_prog_link
));
2951 entry
->programId
= programId
;
2952 entry
->vshader
= vshader_id
;
2953 entry
->pshader
= pshader_id
;
2954 /* Add the hash table entry */
2955 add_glsl_program_entry(This
, entry
);
2957 /* Set the current program */
2958 This
->stateBlock
->glsl_program
= entry
;
2960 /* Attach GLSL vshader */
2962 int max_attribs
= 16; /* TODO: Will this always be the case? It is at the moment... */
2965 TRACE("Attaching GLSL shader object %u to program %u\n", vshader_id
, programId
);
2966 GL_EXTCALL(glAttachObjectARB(programId
, vshader_id
));
2967 checkGLcall("glAttachObjectARB");
2969 /* Bind vertex attributes to a corresponding index number to match
2970 * the same index numbers as ARB_vertex_programs (makes loading
2971 * vertex attributes simpler). With this method, we can use the
2972 * exact same code to load the attributes later for both ARB and
2975 * We have to do this here because we need to know the Program ID
2976 * in order to make the bindings work, and it has to be done prior
2977 * to linking the GLSL program. */
2978 for (i
= 0; i
< max_attribs
; ++i
) {
2979 if (((IWineD3DBaseShaderImpl
*)vshader
)->baseShader
.reg_maps
.attributes
[i
]) {
2980 snprintf(tmp_name
, sizeof(tmp_name
), "attrib%i", i
);
2981 GL_EXTCALL(glBindAttribLocationARB(programId
, i
, tmp_name
));
2984 checkGLcall("glBindAttribLocationARB");
2986 list_add_head(&((IWineD3DBaseShaderImpl
*)vshader
)->baseShader
.linked_programs
, &entry
->vshader_entry
);
2988 reorder_shader_id
= generate_param_reorder_function(vshader
, pshader
, gl_info
);
2989 TRACE("Attaching GLSL shader object %u to program %u\n", reorder_shader_id
, programId
);
2990 GL_EXTCALL(glAttachObjectARB(programId
, reorder_shader_id
));
2991 checkGLcall("glAttachObjectARB");
2992 /* Flag the reorder function for deletion, then it will be freed automatically when the program
2995 GL_EXTCALL(glDeleteObjectARB(reorder_shader_id
));
2998 /* Attach GLSL pshader */
3000 TRACE("Attaching GLSL shader object %u to program %u\n", pshader_id
, programId
);
3001 GL_EXTCALL(glAttachObjectARB(programId
, pshader_id
));
3002 checkGLcall("glAttachObjectARB");
3004 list_add_head(&((IWineD3DBaseShaderImpl
*)pshader
)->baseShader
.linked_programs
, &entry
->pshader_entry
);
3007 /* Link the program */
3008 TRACE("Linking GLSL shader program %u\n", programId
);
3009 GL_EXTCALL(glLinkProgramARB(programId
));
3010 print_glsl_info_log(&GLINFO_LOCATION
, programId
);
3012 entry
->vuniformF_locations
= HeapAlloc(GetProcessHeap(), 0, sizeof(GLhandleARB
) * GL_LIMITS(vshader_constantsF
));
3013 for (i
= 0; i
< GL_LIMITS(vshader_constantsF
); ++i
) {
3014 snprintf(glsl_name
, sizeof(glsl_name
), "VC[%i]", i
);
3015 entry
->vuniformF_locations
[i
] = GL_EXTCALL(glGetUniformLocationARB(programId
, glsl_name
));
3017 entry
->puniformF_locations
= HeapAlloc(GetProcessHeap(), 0, sizeof(GLhandleARB
) * GL_LIMITS(pshader_constantsF
));
3018 for (i
= 0; i
< GL_LIMITS(pshader_constantsF
); ++i
) {
3019 snprintf(glsl_name
, sizeof(glsl_name
), "PC[%i]", i
);
3020 entry
->puniformF_locations
[i
] = GL_EXTCALL(glGetUniformLocationARB(programId
, glsl_name
));
3024 static GLhandleARB
create_glsl_blt_shader(WineD3D_GL_Info
*gl_info
) {
3025 GLhandleARB program_id
;
3026 GLhandleARB vshader_id
, pshader_id
;
3027 const char *blt_vshader
[] = {
3030 " gl_Position = gl_Vertex;\n"
3031 " gl_FrontColor = vec4(1.0);\n"
3032 " gl_TexCoord[0].x = (gl_Vertex.x * 0.5) + 0.5;\n"
3033 " gl_TexCoord[0].y = (-gl_Vertex.y * 0.5) + 0.5;\n"
3037 const char *blt_pshader
[] = {
3038 "uniform sampler2D sampler;\n"
3041 " gl_FragDepth = texture2D(sampler, gl_TexCoord[0].xy).x;\n"
3045 vshader_id
= GL_EXTCALL(glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB
));
3046 GL_EXTCALL(glShaderSourceARB(vshader_id
, 1, blt_vshader
, NULL
));
3047 GL_EXTCALL(glCompileShaderARB(vshader_id
));
3049 pshader_id
= GL_EXTCALL(glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB
));
3050 GL_EXTCALL(glShaderSourceARB(pshader_id
, 1, blt_pshader
, NULL
));
3051 GL_EXTCALL(glCompileShaderARB(pshader_id
));
3053 program_id
= GL_EXTCALL(glCreateProgramObjectARB());
3054 GL_EXTCALL(glAttachObjectARB(program_id
, vshader_id
));
3055 GL_EXTCALL(glAttachObjectARB(program_id
, pshader_id
));
3056 GL_EXTCALL(glLinkProgramARB(program_id
));
3058 print_glsl_info_log(&GLINFO_LOCATION
, program_id
);
3063 static void shader_glsl_select(IWineD3DDevice
*iface
, BOOL usePS
, BOOL useVS
) {
3064 IWineD3DDeviceImpl
*This
= (IWineD3DDeviceImpl
*)iface
;
3065 WineD3D_GL_Info
*gl_info
= &This
->adapter
->gl_info
;
3066 GLhandleARB program_id
= 0;
3068 if (useVS
|| usePS
) set_glsl_shader_program(iface
, usePS
, useVS
);
3069 else This
->stateBlock
->glsl_program
= NULL
;
3071 program_id
= This
->stateBlock
->glsl_program
? This
->stateBlock
->glsl_program
->programId
: 0;
3072 if (program_id
) TRACE("Using GLSL program %u\n", program_id
);
3073 GL_EXTCALL(glUseProgramObjectARB(program_id
));
3074 checkGLcall("glUseProgramObjectARB");
3077 static void shader_glsl_select_depth_blt(IWineD3DDevice
*iface
) {
3078 IWineD3DDeviceImpl
*This
= (IWineD3DDeviceImpl
*)iface
;
3079 WineD3D_GL_Info
*gl_info
= &This
->adapter
->gl_info
;
3080 static GLhandleARB program_id
= 0;
3081 static GLhandleARB loc
= -1;
3084 program_id
= create_glsl_blt_shader(gl_info
);
3085 loc
= GL_EXTCALL(glGetUniformLocationARB(program_id
, "sampler"));
3088 GL_EXTCALL(glUseProgramObjectARB(program_id
));
3089 GL_EXTCALL(glUniform1iARB(loc
, 0));
3092 static void shader_glsl_cleanup(IWineD3DDevice
*iface
) {
3093 IWineD3DDeviceImpl
*This
= (IWineD3DDeviceImpl
*)iface
;
3094 WineD3D_GL_Info
*gl_info
= &This
->adapter
->gl_info
;
3095 GL_EXTCALL(glUseProgramObjectARB(0));
3098 const shader_backend_t glsl_shader_backend
= {
3099 &shader_glsl_select
,
3100 &shader_glsl_select_depth_blt
,
3101 &shader_glsl_load_constants
,
3102 &shader_glsl_cleanup
,
3103 &shader_glsl_color_correction