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Fixed header dependencies to be fully compatible with the Windows
[wine/multimedia.git] / dlls / ddraw / mesa.c
blobdfb1f12d2ffe44ed63141471044a4fdfb1e00557
1 /* Direct3D Common functions
2 * Copyright (c) 1998 Lionel ULMER
3 *
4 * This file contains all MESA common code
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "config.h"
22
23 #include <stdarg.h>
24
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
27 #include "windef.h"
28 #include "winbase.h"
29 #include "objbase.h"
30 #include "wingdi.h"
31 #include "ddraw.h"
32 #include "d3d.h"
33 #include "wine/debug.h"
34
35 #include "mesa_private.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
38
39 GLenum convert_D3D_compare_to_GL(D3DCMPFUNC dwRenderState)
40 {
41 switch (dwRenderState) {
42 case D3DCMP_NEVER: return GL_NEVER;
43 case D3DCMP_LESS: return GL_LESS;
44 case D3DCMP_EQUAL: return GL_EQUAL;
45 case D3DCMP_LESSEQUAL: return GL_LEQUAL;
46 case D3DCMP_GREATER: return GL_GREATER;
47 case D3DCMP_NOTEQUAL: return GL_NOTEQUAL;
48 case D3DCMP_GREATEREQUAL: return GL_GEQUAL;
49 case D3DCMP_ALWAYS: return GL_ALWAYS;
50 default: ERR("Unexpected compare type %d !\n", dwRenderState);
51 }
52 return GL_ALWAYS;
53 }
54
55 GLenum convert_D3D_stencilop_to_GL(D3DSTENCILOP dwRenderState)
56 {
57 switch (dwRenderState) {
58 case D3DSTENCILOP_KEEP: return GL_KEEP;
59 case D3DSTENCILOP_ZERO: return GL_ZERO;
60 case D3DSTENCILOP_REPLACE: return GL_REPLACE;
61 case D3DSTENCILOP_INCRSAT: return GL_INCR;
62 case D3DSTENCILOP_DECRSAT: return GL_DECR;
63 case D3DSTENCILOP_INVERT: return GL_INVERT;
64 case D3DSTENCILOP_INCR: WARN("D3DSTENCILOP_INCR not properly handled !\n"); return GL_INCR;
65 case D3DSTENCILOP_DECR: WARN("D3DSTENCILOP_DECR not properly handled !\n"); return GL_DECR;
66 default: ERR("Unexpected compare type %d !\n", dwRenderState);
67 }
68 return GL_KEEP;
69 }
70
71 GLenum convert_D3D_blendop_to_GL(D3DBLEND dwRenderState)
72 {
73 switch ((D3DBLEND) dwRenderState) {
74 case D3DBLEND_ZERO: return GL_ZERO;
75 case D3DBLEND_ONE: return GL_ONE;
76 case D3DBLEND_SRCALPHA: return GL_SRC_ALPHA;
77 case D3DBLEND_INVSRCALPHA: return GL_ONE_MINUS_SRC_ALPHA;
78 case D3DBLEND_DESTALPHA: return GL_DST_ALPHA;
79 case D3DBLEND_INVDESTALPHA: return GL_ONE_MINUS_DST_ALPHA;
80 case D3DBLEND_DESTCOLOR: return GL_DST_COLOR;
81 case D3DBLEND_INVDESTCOLOR: return GL_ONE_MINUS_DST_COLOR;
82 case D3DBLEND_SRCALPHASAT: return GL_SRC_ALPHA_SATURATE;
83 case D3DBLEND_SRCCOLOR: return GL_SRC_COLOR;
84 case D3DBLEND_INVSRCCOLOR: return GL_ONE_MINUS_SRC_COLOR;
85 default: ERR("Unhandled blend mode %d !\n", dwRenderState); return GL_ZERO;
86 }
87 }
88
89 void set_render_state(IDirect3DDeviceImpl* This,
90 D3DRENDERSTATETYPE dwRenderStateType, STATEBLOCK *lpStateBlock)
91 {
92 DWORD dwRenderState = lpStateBlock->render_state[dwRenderStateType - 1];
93 IDirect3DDeviceGLImpl *glThis = (IDirect3DDeviceGLImpl *) This;
94
95 TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
96
97 /* First, all the stipple patterns */
98 if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
99 (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
100 ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
101 } else {
102 ENTER_GL();
103
104 /* All others state variables */
105 switch (dwRenderStateType) {
106 case D3DRENDERSTATE_TEXTUREHANDLE: { /* 1 */
107 IDirectDrawSurfaceImpl *tex = (IDirectDrawSurfaceImpl*) dwRenderState;
108
109 IDirect3DDevice7_SetTexture(ICOM_INTERFACE(This, IDirect3DDevice7),
110 0,
111 ICOM_INTERFACE(tex, IDirectDrawSurface7));
112 } break;
113
114 case D3DRENDERSTATE_ANTIALIAS: /* 2 */
115 if (dwRenderState)
116 ERR("D3DRENDERSTATE_ANTIALIAS not supported yet !\n");
117 break;
118
119 case D3DRENDERSTATE_TEXTUREADDRESSU: /* 44 */
120 case D3DRENDERSTATE_TEXTUREADDRESSV: /* 45 */
121 case D3DRENDERSTATE_TEXTUREADDRESS: { /* 3 */
122 D3DTEXTURESTAGESTATETYPE d3dTexStageStateType;
123
124 if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) d3dTexStageStateType = D3DTSS_ADDRESS;
125 else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESSU) d3dTexStageStateType = D3DTSS_ADDRESSU;
126 else d3dTexStageStateType = D3DTSS_ADDRESSV;
127
128 IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7),
129 0, d3dTexStageStateType,
130 dwRenderState);
131 } break;
132
133 case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
134 if (dwRenderState)
135 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
136 else
137 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
138 break;
139
140 case D3DRENDERSTATE_WRAPU: /* 5 */
141 case D3DRENDERSTATE_WRAPV: /* 6 */
142 case D3DRENDERSTATE_WRAP0: /* 128 */
143 case D3DRENDERSTATE_WRAP1: /* 129 */
144 case D3DRENDERSTATE_WRAP2: /* 130 */
145 case D3DRENDERSTATE_WRAP3: /* 131 */
146 case D3DRENDERSTATE_WRAP4: /* 132 */
147 case D3DRENDERSTATE_WRAP5: /* 133 */
148 case D3DRENDERSTATE_WRAP6: /* 134 */
149 case D3DRENDERSTATE_WRAP7: /* 135 */
150 if (dwRenderState)
151 ERR("Texture WRAP modes unsupported by OpenGL.. Expect graphical glitches !\n");
152 break;
153
154 case D3DRENDERSTATE_ZENABLE: /* 7 */
155 /* To investigate : in OpenGL, if we disable the depth test, the Z buffer will NOT be
156 updated either.. No idea about what happens in D3D.
157
158 Maybe replacing the Z function by ALWAYS would be a better idea. */
159 if (dwRenderState == D3DZB_TRUE) {
160 if (glThis->depth_test == FALSE) {
161 glEnable(GL_DEPTH_TEST);
162 glThis->depth_test = TRUE;
163 }
164 } else if (dwRenderState == D3DZB_FALSE) {
165 if (glThis->depth_test == TRUE) {
166 glDisable(GL_DEPTH_TEST);
167 glThis->depth_test = FALSE;
168 }
169 } else {
170 if (glThis->depth_test == FALSE) {
171 glEnable(GL_DEPTH_TEST);
172 glThis->depth_test = TRUE;
173 }
174 WARN(" w-buffering not supported.\n");
175 }
176 break;
177
178 case D3DRENDERSTATE_FILLMODE: /* 8 */
179 switch ((D3DFILLMODE) dwRenderState) {
180 case D3DFILL_POINT:
181 glPolygonMode(GL_FRONT_AND_BACK,GL_POINT);
182 break;
183 case D3DFILL_WIREFRAME:
184 glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
185 break;
186 case D3DFILL_SOLID:
187 glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
188 break;
189 default:
190 ERR("Unhandled fill mode %ld !\n",dwRenderState);
191 }
192 break;
193
194 case D3DRENDERSTATE_SHADEMODE: /* 9 */
195 switch ((D3DSHADEMODE) dwRenderState) {
196 case D3DSHADE_FLAT:
197 glShadeModel(GL_FLAT);
198 break;
199 case D3DSHADE_GOURAUD:
200 glShadeModel(GL_SMOOTH);
201 break;
202 default:
203 ERR("Unhandled shade mode %ld !\n",dwRenderState);
204 }
205 break;
206
207 case D3DRENDERSTATE_ZWRITEENABLE: /* 14 */
208 if ((dwRenderState != FALSE) && (glThis->depth_mask == FALSE))
209 glDepthMask(GL_TRUE);
210 else if ((dwRenderState == FALSE) && (glThis->depth_mask != FALSE))
211 glDepthMask(GL_FALSE);
212 glThis->depth_mask = dwRenderState;
213 break;
214
215 case D3DRENDERSTATE_ALPHATESTENABLE: /* 15 */
216 if ((dwRenderState != 0) && (glThis->alpha_test == FALSE))
217 glEnable(GL_ALPHA_TEST);
218 else if ((dwRenderState == 0) && (glThis->alpha_test != FALSE))
219 glDisable(GL_ALPHA_TEST);
220 glThis->alpha_test = dwRenderState;
221 break;
222
223 case D3DRENDERSTATE_TEXTUREMAG: { /* 17 */
224 DWORD tex_mag = 0xFFFFFFFF;
225
226 switch ((D3DTEXTUREFILTER) dwRenderState) {
227 case D3DFILTER_NEAREST:
228 tex_mag = D3DTFG_POINT;
229 break;
230 case D3DFILTER_LINEAR:
231 tex_mag = D3DTFG_LINEAR;
232 break;
233 default:
234 ERR("Unhandled texture mag %ld !\n",dwRenderState);
235 }
236
237 if (tex_mag != 0xFFFFFFFF) {
238 IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MAGFILTER, tex_mag);
239 }
240 } break;
241
242 case D3DRENDERSTATE_TEXTUREMIN: { /* 18 */
243 DWORD tex_min = 0xFFFFFFFF;
244
245 switch ((D3DTEXTUREFILTER) dwRenderState) {
246 case D3DFILTER_NEAREST:
247 tex_min = D3DTFN_POINT;
248 break;
249 case D3DFILTER_LINEAR:
250 tex_min = D3DTFN_LINEAR;
251 break;
252 default:
253 ERR("Unhandled texture min %ld !\n",dwRenderState);
254 }
255
256 if (tex_min != 0xFFFFFFFF) {
257 IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MINFILTER, tex_min);
258 }
259 } break;
260
261 case D3DRENDERSTATE_SRCBLEND: /* 19 */
262 case D3DRENDERSTATE_DESTBLEND: /* 20 */
263 glBlendFunc(convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1]),
264 convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1]));
265 break;
266
267 case D3DRENDERSTATE_TEXTUREMAPBLEND: { /* 21 */
268 IDirect3DDevice7 *d3ddev = ICOM_INTERFACE(This, IDirect3DDevice7);
269
270 switch ((D3DTEXTUREBLEND) dwRenderState) {
271 case D3DTBLEND_DECAL:
272 if (glThis->current_tex_env != GL_REPLACE) {
273 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
274 glThis->current_tex_env = GL_REPLACE;
275 }
276 break;
277 case D3DTBLEND_DECALALPHA:
278 if (glThis->current_tex_env != GL_REPLACE) {
279 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
280 glThis->current_tex_env = GL_DECAL;
281 }
282 break;
283 case D3DTBLEND_MODULATE:
284 if (glThis->current_tex_env != GL_MODULATE) {
285 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
286 glThis->current_tex_env = GL_MODULATE;
287 }
288 break;
289 case D3DTBLEND_MODULATEALPHA:
290 IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
291 IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
292 IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG2, D3DTA_CURRENT);
293 IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAARG2, D3DTA_CURRENT);
294 IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_COLOROP, D3DTOP_MODULATE);
295 IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
296 break;
297 default:
298 ERR("Unhandled texture environment %ld !\n",dwRenderState);
299 }
300 } break;
301
302 case D3DRENDERSTATE_CULLMODE: /* 22 */
303 switch ((D3DCULL) dwRenderState) {
304 case D3DCULL_NONE:
305 if (glThis->cull_face != 0) {
306 glDisable(GL_CULL_FACE);
307 glThis->cull_face = 0;
308 }
309 break;
310 case D3DCULL_CW:
311 if (glThis->cull_face == 0) {
312 glEnable(GL_CULL_FACE);
313 glThis->cull_face = 1;
314 }
315 glFrontFace(GL_CCW);
316 glCullFace(GL_BACK);
317 break;
318 case D3DCULL_CCW:
319 if (glThis->cull_face == 0) {
320 glEnable(GL_CULL_FACE);
321 glThis->cull_face = 1;
322 }
323 glFrontFace(GL_CW);
324 glCullFace(GL_BACK);
325 break;
326 default:
327 ERR("Unhandled cull mode %ld !\n",dwRenderState);
328 }
329 break;
330
331 case D3DRENDERSTATE_ZFUNC: /* 23 */
332 glDepthFunc(convert_D3D_compare_to_GL(dwRenderState));
333 break;
334
335 case D3DRENDERSTATE_ALPHAREF: /* 24 */
336 case D3DRENDERSTATE_ALPHAFUNC: /* 25 */
337 glAlphaFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_ALPHAFUNC - 1]),
338 (lpStateBlock->render_state[D3DRENDERSTATE_ALPHAREF - 1] & 0x000000FF) / 255.0);
339 break;
340
341 case D3DRENDERSTATE_DITHERENABLE: /* 26 */
342 if (dwRenderState)
343 glEnable(GL_DITHER);
344 else
345 glDisable(GL_DITHER);
346 break;
347
348 case D3DRENDERSTATE_ALPHABLENDENABLE: /* 27 */
349 if ((dwRenderState != 0) && (glThis->blending == 0)) {
350 glEnable(GL_BLEND);
351 } else if ((dwRenderState == 0) && (glThis->blending != 0)) {
352 glDisable(GL_BLEND);
353 }
354 glThis->blending = dwRenderState;
355 break;
356
357 case D3DRENDERSTATE_FOGENABLE: /* 28 */
358 /* Nothing to do here. Only the storage matters :-) */
359 break;
360
361 case D3DRENDERSTATE_SPECULARENABLE: /* 29 */
362 if (dwRenderState)
363 ERR(" Specular Lighting not supported yet.\n");
364 break;
365
366 case D3DRENDERSTATE_SUBPIXEL: /* 31 */
367 case D3DRENDERSTATE_SUBPIXELX: /* 32 */
368 /* We do not support this anyway, so why protest :-) */
369 break;
370
371 case D3DRENDERSTATE_STIPPLEDALPHA: /* 33 */
372 if (dwRenderState)
373 ERR(" Stippled Alpha not supported yet.\n");
374 break;
375
376 case D3DRENDERSTATE_FOGCOLOR: { /* 34 */
377 GLfloat color[4];
378 color[0] = ((dwRenderState >> 16) & 0xFF)/255.0f;
379 color[1] = ((dwRenderState >> 8) & 0xFF)/255.0f;
380 color[2] = ((dwRenderState >> 0) & 0xFF)/255.0f;
381 color[3] = ((dwRenderState >> 24) & 0xFF)/255.0f;
382 glFogfv(GL_FOG_COLOR,color);
383 /* Note: glFogiv does not seem to work */
384 } break;
385
386 case D3DRENDERSTATE_FOGTABLEMODE: /* 35 */
387 case D3DRENDERSTATE_FOGVERTEXMODE: /* 140 */
388 case D3DRENDERSTATE_FOGSTART: /* 36 */
389 case D3DRENDERSTATE_FOGEND: /* 37 */
390 /* Nothing to do here. Only the storage matters :-) */
391 break;
392
393 case D3DRENDERSTATE_FOGDENSITY: /* 38 */
394 glFogi(GL_FOG_DENSITY,*(float*)&dwRenderState);
395 break;
396
397 case D3DRENDERSTATE_COLORKEYENABLE: /* 41 */
398 /* This needs to be fixed. */
399 if ((dwRenderState != 0) && (glThis->blending == 0)) {
400 glEnable(GL_BLEND);
401 } else if ((dwRenderState == 0) && (glThis->blending != 0)) {
402 glDisable(GL_BLEND);
403 }
404 glThis->blending = dwRenderState;
405 break;
406
407 case D3DRENDERSTATE_MIPMAPLODBIAS: /* 46 */
408 IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7),
409 0, D3DTSS_MIPMAPLODBIAS,
410 dwRenderState);
411 break;
412
413 case D3DRENDERSTATE_ZBIAS: /* 47 */
414 /* This is a tad bit hacky.. But well, no idea how to do it better in OpenGL :-/ */
415 if (dwRenderState == 0) {
416 glDisable(GL_POLYGON_OFFSET_FILL);
417 glDisable(GL_POLYGON_OFFSET_LINE);
418 glDisable(GL_POLYGON_OFFSET_POINT);
419 } else {
420 glEnable(GL_POLYGON_OFFSET_FILL);
421 glEnable(GL_POLYGON_OFFSET_LINE);
422 glEnable(GL_POLYGON_OFFSET_POINT);
423 glPolygonOffset(1.0, dwRenderState * 1.0);
424 }
425 break;
426
427 case D3DRENDERSTATE_FLUSHBATCH: /* 50 */
428 break;
429
430 case D3DRENDERSTATE_STENCILENABLE: /* 52 */
431 if ((dwRenderState != 0) && (glThis->stencil_test == 0))
432 glEnable(GL_STENCIL_TEST);
433 else if ((dwRenderState == 0) && (glThis->stencil_test != 0))
434 glDisable(GL_STENCIL_TEST);
435 glThis->stencil_test = dwRenderState;
436 break;
437
438 case D3DRENDERSTATE_STENCILFAIL: /* 53 */
439 case D3DRENDERSTATE_STENCILZFAIL: /* 54 */
440 case D3DRENDERSTATE_STENCILPASS: /* 55 */
441 glStencilOp(convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFAIL - 1]),
442 convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILZFAIL - 1]),
443 convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILPASS - 1]));
444 break;
445
446 case D3DRENDERSTATE_STENCILFUNC: /* 56 */
447 case D3DRENDERSTATE_STENCILREF: /* 57 */
448 case D3DRENDERSTATE_STENCILMASK: /* 58 */
449 glStencilFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFUNC - 1]),
450 lpStateBlock->render_state[D3DRENDERSTATE_STENCILREF - 1],
451 lpStateBlock->render_state[D3DRENDERSTATE_STENCILMASK - 1]);
452 break;
453
454 case D3DRENDERSTATE_STENCILWRITEMASK: /* 59 */
455 glStencilMask(dwRenderState);
456 break;
457
458 case D3DRENDERSTATE_TEXTUREFACTOR: /* 60 */
459 /* Only the storage matters... */
460 break;
461
462 case D3DRENDERSTATE_CLIPPING: /* 136 */
463 case D3DRENDERSTATE_CLIPPLANEENABLE: { /* 152 */
464 GLint i;
465 DWORD mask, runner;
466
467 if (dwRenderStateType == D3DRENDERSTATE_CLIPPING) {
468 mask = ((dwRenderState) ?
469 (This->state_block.render_state[D3DRENDERSTATE_CLIPPLANEENABLE - 1]) : (0x00000000));
470 } else {
471 mask = dwRenderState;
472 }
473 for (i = 0, runner = 0x00000001; i < This->max_clipping_planes; i++, runner = (runner << 1)) {
474 if (mask & runner) {
475 GLint enabled;
476 glGetIntegerv(GL_CLIP_PLANE0 + i, &enabled);
477 if (enabled == GL_FALSE) {
478 glEnable(GL_CLIP_PLANE0 + i);
479 /* Need to force a transform change so that this clipping plane parameters are sent
480 * properly to GL.
481 */
482 glThis->transform_state = GL_TRANSFORM_NONE;
483 }
484 } else {
485 glDisable(GL_CLIP_PLANE0 + i);
486 }
487 }
488 }
489 break;
490
491 case D3DRENDERSTATE_LIGHTING: /* 137 */
492 /* Nothing to do, only storage matters... */
493 break;
494
495 case D3DRENDERSTATE_AMBIENT: { /* 139 */
496 float light[4];
497
498 light[0] = ((dwRenderState >> 16) & 0xFF) / 255.0;
499 light[1] = ((dwRenderState >> 8) & 0xFF) / 255.0;
500 light[2] = ((dwRenderState >> 0) & 0xFF) / 255.0;
501 light[3] = ((dwRenderState >> 24) & 0xFF) / 255.0;
502 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (float *) light);
503 } break;
504
505 case D3DRENDERSTATE_COLORVERTEX: /* 141 */
506 /* Nothing to do here.. Only storage matters */
507 break;
508
509 case D3DRENDERSTATE_LOCALVIEWER: /* 142 */
510 if (dwRenderState)
511 glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
512 else
513 glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_FALSE);
514 break;
515
516 case D3DRENDERSTATE_NORMALIZENORMALS: /* 143 */
517 if (dwRenderState) {
518 glEnable(GL_NORMALIZE);
519 glEnable(GL_RESCALE_NORMAL);
520 } else {
521 glDisable(GL_NORMALIZE);
522 glDisable(GL_RESCALE_NORMAL);
523 }
524 break;
525
526 case D3DRENDERSTATE_DIFFUSEMATERIALSOURCE: /* 145 */
527 case D3DRENDERSTATE_SPECULARMATERIALSOURCE: /* 146 */
528 case D3DRENDERSTATE_AMBIENTMATERIALSOURCE: /* 147 */
529 case D3DRENDERSTATE_EMISSIVEMATERIALSOURCE: /* 148 */
530 /* Nothing to do here. Only the storage matters :-) */
531 break;
532
533 default:
534 ERR("Unhandled dwRenderStateType %s (%08x) value : %08lx !\n",
535 _get_renderstate(dwRenderStateType), dwRenderStateType, dwRenderState);
536 }
537 LEAVE_GL();
538 }
539 }
540
541 void store_render_state(IDirect3DDeviceImpl *This,
542 D3DRENDERSTATETYPE dwRenderStateType, DWORD dwRenderState, STATEBLOCK *lpStateBlock)
543 {
544 TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
545
546 /* Some special cases first.. */
547 if (dwRenderStateType == D3DRENDERSTATE_SRCBLEND) {
548 if (dwRenderState == D3DBLEND_BOTHSRCALPHA) {
549 lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_SRCALPHA;
550 lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_SRCALPHA;
551 return;
552 } else if (dwRenderState == D3DBLEND_BOTHINVSRCALPHA) {
553 lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_INVSRCALPHA;
554 lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_INVSRCALPHA;
555 return;
556 }
557 } else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) {
558 lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSU - 1] = dwRenderState;
559 lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSV - 1] = dwRenderState;
560 } else if (dwRenderStateType == D3DRENDERSTATE_WRAPU) {
561 if (dwRenderState)
562 lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] |= D3DWRAP_U;
563 else
564 lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] &= ~D3DWRAP_U;
565 } else if (dwRenderStateType == D3DRENDERSTATE_WRAPV) {
566 if (dwRenderState)
567 lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] |= D3DWRAP_V;
568 else
569 lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] &= ~D3DWRAP_V;
570 }
571
572 /* Default case */
573 lpStateBlock->render_state[dwRenderStateType - 1] = dwRenderState;
574 }
575
576 void get_render_state(IDirect3DDeviceImpl *This,
577 D3DRENDERSTATETYPE dwRenderStateType, LPDWORD lpdwRenderState, STATEBLOCK *lpStateBlock)
578 {
579 *lpdwRenderState = lpStateBlock->render_state[dwRenderStateType - 1];
580 if (TRACE_ON(ddraw))
581 TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), *lpdwRenderState);
582 }
583
584 void apply_render_state(IDirect3DDeviceImpl *This, STATEBLOCK *lpStateBlock)
585 {
586 DWORD i;
587 TRACE("(%p,%p)\n", This, lpStateBlock);
588 for(i = 0; i < HIGHEST_RENDER_STATE; i++)
589 if (lpStateBlock->set_flags.render_state[i])
590 set_render_state(This, i + 1, lpStateBlock);
591 }
592
593
594 /* Texture management code.
595
596 - upload_surface_to_tex_memory_init initialize the code and computes the GL formats
597 according to the surface description.
598
599 - upload_surface_to_tex_memory does the real upload. If one buffer is split over
600 multiple textures, this can be called multiple times after the '_init' call. 'rect'
601 can be NULL if the whole buffer needs to be upload.
602
603 - upload_surface_to_tex_memory_release does the clean-up.
604
605 These functions are called in the following cases :
606 - texture management (ie to upload a D3D texture to GL when it changes).
607 - flush of the 'in-memory' frame buffer to the GL frame buffer using the texture
608 engine.
609 - use of the texture engine to simulate Blits to the 3D Device.
610 */
611 typedef enum {
612 NO_CONVERSION,
613 CONVERT_PALETTED,
614 CONVERT_CK_565,
615 CONVERT_CK_5551,
616 CONVERT_CK_4444,
617 CONVERT_CK_4444_ARGB,
618 CONVERT_CK_1555,
619 CONVERT_555,
620 CONVERT_CK_RGB24,
621 CONVERT_CK_8888,
622 CONVERT_CK_8888_ARGB,
623 CONVERT_RGB32_888
624 } CONVERT_TYPES;
625
626 /* Note : we suppose that all the code calling this is protected by the GL lock... Otherwise bad things
627 may happen :-) */
628 static GLenum current_format;
629 static GLenum current_pixel_format;
630 static CONVERT_TYPES convert_type;
631 static IDirectDrawSurfaceImpl *current_surface;
632 static GLuint current_level;
633 static DWORD current_tex_width;
634 static DWORD current_tex_height;
635 static GLuint current_alignement_constraints;
636 static int current_storage_width;
637
638 HRESULT upload_surface_to_tex_memory_init(IDirectDrawSurfaceImpl *surf_ptr, GLuint level, GLenum *current_internal_format,
639 BOOLEAN need_to_alloc, BOOLEAN need_alpha_ck, DWORD tex_width, DWORD tex_height)
640 {
641 const DDPIXELFORMAT * const src_pf = &(surf_ptr->surface_desc.u4.ddpfPixelFormat);
642 BOOL error = FALSE;
643 BOOL colorkey_active = need_alpha_ck && (surf_ptr->surface_desc.dwFlags & DDSD_CKSRCBLT);
644 GLenum internal_format = GL_LUMINANCE; /* A bogus value to be sure to have a nice Mesa warning :-) */
645 BYTE bpp = GET_BPP(surf_ptr->surface_desc);
646 BOOL sub_texture = TRUE;
647
648 current_surface = surf_ptr;
649 current_level = level;
650
651 /* First, do some sanity checks ... */
652 if ((surf_ptr->surface_desc.u1.lPitch % bpp) != 0) {
653 FIXME("Warning : pitch is not a multiple of BPP - not supported yet !\n");
654 } else {
655 /* In that case, no need to have any alignement constraints... */
656 if (current_alignement_constraints != 1) {
657 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
658 current_alignement_constraints = 1;
659 }
660 }
661
662 /* Note: we only check width here as you cannot have width non-zero while height is set to zero */
663 if (tex_width == 0) {
664 sub_texture = FALSE;
665
666 tex_width = surf_ptr->surface_desc.dwWidth;
667 tex_height = surf_ptr->surface_desc.dwHeight;
668 }
669
670 current_tex_width = tex_width;
671 current_tex_height = tex_height;
672
673 if (src_pf->dwFlags & DDPF_PALETTEINDEXED8) {
674 /* ****************
675 Paletted Texture
676 **************** */
677 current_format = GL_RGBA;
678 internal_format = GL_RGBA;
679 current_pixel_format = GL_UNSIGNED_BYTE;
680 convert_type = CONVERT_PALETTED;
681 } else if (src_pf->dwFlags & DDPF_RGB) {
682 /* ************
683 RGB Textures
684 ************ */
685 if (src_pf->u1.dwRGBBitCount == 8) {
686 if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) &&
687 (src_pf->u5.dwRGBAlphaBitMask != 0x00)) {
688 error = TRUE;
689 } else {
690 if ((src_pf->u2.dwRBitMask == 0xE0) &&
691 (src_pf->u3.dwGBitMask == 0x1C) &&
692 (src_pf->u4.dwBBitMask == 0x03)) {
693 /* **********************
694 GL_UNSIGNED_BYTE_3_3_2
695 ********************** */
696 if (colorkey_active) {
697 /* This texture format will never be used.. So do not care about color keying
698 up until the point in time it will be needed :-) */
699 FIXME(" ColorKeying not supported in the RGB 332 format !");
700 }
701 current_format = GL_RGB;
702 internal_format = GL_RGB;
703 current_pixel_format = GL_UNSIGNED_BYTE_3_3_2;
704 convert_type = NO_CONVERSION;
705 } else {
706 error = TRUE;
707 }
708 }
709 } else if (src_pf->u1.dwRGBBitCount == 16) {
710 if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) &&
711 (src_pf->u5.dwRGBAlphaBitMask != 0x0000)) {
712 if ((src_pf->u2.dwRBitMask == 0xF800) &&
713 (src_pf->u3.dwGBitMask == 0x07C0) &&
714 (src_pf->u4.dwBBitMask == 0x003E) &&
715 (src_pf->u5.dwRGBAlphaBitMask == 0x0001)) {
716 current_format = GL_RGBA;
717 internal_format = GL_RGBA;
718 current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1;
719 if (colorkey_active) {
720 convert_type = CONVERT_CK_5551;
721 } else {
722 convert_type = NO_CONVERSION;
723 }
724 } else if ((src_pf->u2.dwRBitMask == 0xF000) &&
725 (src_pf->u3.dwGBitMask == 0x0F00) &&
726 (src_pf->u4.dwBBitMask == 0x00F0) &&
727 (src_pf->u5.dwRGBAlphaBitMask == 0x000F)) {
728 current_format = GL_RGBA;
729 internal_format = GL_RGBA;
730 current_pixel_format = GL_UNSIGNED_SHORT_4_4_4_4;
731 if (colorkey_active) {
732 convert_type = CONVERT_CK_4444;
733 } else {
734 convert_type = NO_CONVERSION;
735 }
736 } else if ((src_pf->u2.dwRBitMask == 0x0F00) &&
737 (src_pf->u3.dwGBitMask == 0x00F0) &&
738 (src_pf->u4.dwBBitMask == 0x000F) &&
739 (src_pf->u5.dwRGBAlphaBitMask == 0xF000)) {
740 if (colorkey_active) {
741 convert_type = CONVERT_CK_4444_ARGB;
742 current_format = GL_RGBA;
743 internal_format = GL_RGBA;
744 current_pixel_format = GL_UNSIGNED_SHORT_4_4_4_4;
745 } else {
746 convert_type = NO_CONVERSION;
747 current_format = GL_BGRA;
748 internal_format = GL_RGBA;
749 current_pixel_format = GL_UNSIGNED_SHORT_4_4_4_4_REV;
750 }
751 } else if ((src_pf->u2.dwRBitMask == 0x7C00) &&
752 (src_pf->u3.dwGBitMask == 0x03E0) &&
753 (src_pf->u4.dwBBitMask == 0x001F) &&
754 (src_pf->u5.dwRGBAlphaBitMask == 0x8000)) {
755 if (colorkey_active) {
756 convert_type = CONVERT_CK_1555;
757 current_format = GL_RGBA;
758 internal_format = GL_RGBA;
759 current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1;
760 } else {
761 convert_type = NO_CONVERSION;
762 current_format = GL_BGRA;
763 internal_format = GL_RGBA;
764 current_pixel_format = GL_UNSIGNED_SHORT_1_5_5_5_REV;
765 }
766 } else {
767 error = TRUE;
768 }
769 } else {
770 if ((src_pf->u2.dwRBitMask == 0xF800) &&
771 (src_pf->u3.dwGBitMask == 0x07E0) &&
772 (src_pf->u4.dwBBitMask == 0x001F)) {
773 if (colorkey_active) {
774 convert_type = CONVERT_CK_565;
775 current_format = GL_RGBA;
776 internal_format = GL_RGBA;
777 current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1;
778 } else {
779 convert_type = NO_CONVERSION;
780 current_format = GL_RGB;
781 internal_format = GL_RGB;
782 current_pixel_format = GL_UNSIGNED_SHORT_5_6_5;
783 }
784 } else if ((src_pf->u2.dwRBitMask == 0x7C00) &&
785 (src_pf->u3.dwGBitMask == 0x03E0) &&
786 (src_pf->u4.dwBBitMask == 0x001F)) {
787 convert_type = CONVERT_555;
788 current_format = GL_RGBA;
789 internal_format = GL_RGBA;
790 current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1;
791 } else {
792 error = TRUE;
793 }
794 }
795 } else if (src_pf->u1.dwRGBBitCount == 24) {
796 if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) &&
797 (src_pf->u5.dwRGBAlphaBitMask != 0x000000)) {
798 error = TRUE;
799 } else {
800 if ((src_pf->u2.dwRBitMask == 0xFF0000) &&
801 (src_pf->u3.dwGBitMask == 0x00FF00) &&
802 (src_pf->u4.dwBBitMask == 0x0000FF)) {
803 if (colorkey_active) {
804 convert_type = CONVERT_CK_RGB24;
805 current_format = GL_RGBA;
806 internal_format = GL_RGBA;
807 current_pixel_format = GL_UNSIGNED_INT_8_8_8_8;
808 } else {
809 convert_type = NO_CONVERSION;
810 current_format = GL_BGR;
811 internal_format = GL_RGB;
812 current_pixel_format = GL_UNSIGNED_BYTE;
813 }
814 } else {
815 error = TRUE;
816 }
817 }
818 } else if (src_pf->u1.dwRGBBitCount == 32) {
819 if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) &&
820 (src_pf->u5.dwRGBAlphaBitMask != 0x00000000)) {
821 if ((src_pf->u2.dwRBitMask == 0xFF000000) &&
822 (src_pf->u3.dwGBitMask == 0x00FF0000) &&
823 (src_pf->u4.dwBBitMask == 0x0000FF00) &&
824 (src_pf->u5.dwRGBAlphaBitMask == 0x000000FF)) {
825 if (colorkey_active) {
826 convert_type = CONVERT_CK_8888;
827 } else {
828 convert_type = NO_CONVERSION;
829 }
830 current_format = GL_RGBA;
831 internal_format = GL_RGBA;
832 current_pixel_format = GL_UNSIGNED_INT_8_8_8_8;
833 } else if ((src_pf->u2.dwRBitMask == 0x00FF0000) &&
834 (src_pf->u3.dwGBitMask == 0x0000FF00) &&
835 (src_pf->u4.dwBBitMask == 0x000000FF) &&
836 (src_pf->u5.dwRGBAlphaBitMask == 0xFF000000)) {
837 if (colorkey_active) {
838 convert_type = CONVERT_CK_8888_ARGB;
839 current_format = GL_RGBA;
840 internal_format = GL_RGBA;
841 current_pixel_format = GL_UNSIGNED_INT_8_8_8_8;
842 } else {
843 convert_type = NO_CONVERSION;
844 current_format = GL_BGRA;
845 internal_format = GL_RGBA;
846 current_pixel_format = GL_UNSIGNED_INT_8_8_8_8_REV;
847 }
848 } else {
849 error = TRUE;
850 }
851 } else {
852 if ((src_pf->u2.dwRBitMask == 0x00FF0000) &&
853 (src_pf->u3.dwGBitMask == 0x0000FF00) &&
854 (src_pf->u4.dwBBitMask == 0x000000FF)) {
855 if (need_alpha_ck == TRUE) {
856 convert_type = CONVERT_RGB32_888;
857 current_format = GL_RGBA;
858 internal_format = GL_RGBA;
859 current_pixel_format = GL_UNSIGNED_INT_8_8_8_8;
860 } else {
861 convert_type = NO_CONVERSION;
862 current_format = GL_BGRA;
863 internal_format = GL_RGBA;
864 current_pixel_format = GL_UNSIGNED_INT_8_8_8_8_REV;
865 }
866 } else {
867 error = TRUE;
868 }
869 }
870 } else {
871 error = TRUE;
872 }
873 } else {
874 error = TRUE;
875 }
876
877 if (error == TRUE) {
878 ERR("Unsupported pixel format for textures : \n");
879 if (ERR_ON(ddraw)) {
880 DDRAW_dump_pixelformat(src_pf);
881 }
882 return DDERR_INVALIDPIXELFORMAT;
883 } else {
884 if ((need_to_alloc) ||
885 (internal_format != *current_internal_format)) {
886 glTexImage2D(GL_TEXTURE_2D, level, internal_format,
887 tex_width, tex_height, 0,
888 current_format, current_pixel_format, NULL);
889 *current_internal_format = internal_format;
890 }
891 }
892
893 if ((sub_texture == TRUE) && (convert_type == NO_CONVERSION)) {
894 current_storage_width = surf_ptr->surface_desc.u1.lPitch / bpp;
895 } else {
896 if (surf_ptr->surface_desc.u1.lPitch == (surf_ptr->surface_desc.dwWidth * bpp)) {
897 current_storage_width = 0;
898 } else {
899 current_storage_width = surf_ptr->surface_desc.u1.lPitch / bpp;
900 }
901 }
902 glPixelStorei(GL_UNPACK_ROW_LENGTH, current_storage_width);
903
904 return DD_OK;
905 }
906
907 HRESULT upload_surface_to_tex_memory(RECT *rect, DWORD xoffset, DWORD yoffset, void **temp_buffer)
908 {
909 const DDSURFACEDESC * const src_d = (DDSURFACEDESC *)&(current_surface->surface_desc);
910 void *surf_buffer = NULL;
911 RECT lrect;
912 DWORD width, height;
913 BYTE bpp = GET_BPP(current_surface->surface_desc);
914 int line_increase;
915
916 if (rect == NULL) {
917 lrect.top = 0;
918 lrect.left = 0;
919 lrect.bottom = current_tex_height;
920 lrect.right = current_tex_width;
921 rect = &lrect;
922 }
923
924 width = rect->right - rect->left;
925 height = rect->bottom - rect->top;
926
927 /* Used when converting stuff */
928 line_increase = src_d->u1.lPitch - (width * bpp);
929
930 switch (convert_type) {
931 case CONVERT_PALETTED: {
932 IDirectDrawPaletteImpl* pal = current_surface->palette;
933 BYTE table[256][4];
934 int i;
935 int x, y;
936 BYTE *src = (BYTE *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
937
938 if (pal == NULL) {
939 /* Upload a black texture. The real one will be uploaded on palette change */
940 WARN("Palettized texture Loading with a NULL palette !\n");
941 memset(table, 0, 256 * 4);
942 } else {
943 /* Get the surface's palette */
944 for (i = 0; i < 256; i++) {
945 table[i][0] = pal->palents[i].peRed;
946 table[i][1] = pal->palents[i].peGreen;
947 table[i][2] = pal->palents[i].peBlue;
948 if ((src_d->dwFlags & DDSD_CKSRCBLT) &&
949 (i >= src_d->ddckCKSrcBlt.dwColorSpaceLowValue) &&
950 (i <= src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
951 /* We should maybe here put a more 'neutral' color than the standard bright purple
952 one often used by application to prevent the nice purple borders when bi-linear
953 filtering is on */
954 table[i][3] = 0x00;
955 else
956 table[i][3] = 0xFF;
957 }
958 }
959
960 if (*temp_buffer == NULL)
961 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
962 current_tex_width * current_tex_height * sizeof(DWORD));
963 dst = (BYTE *) *temp_buffer;
964
965 for (y = 0; y < height; y++) {
966 for (x = 0; x < width; x++) {
967 BYTE color = *src++;
968 *dst++ = table[color][0];
969 *dst++ = table[color][1];
970 *dst++ = table[color][2];
971 *dst++ = table[color][3];
972 }
973 src += line_increase;
974 }
975 } break;
976
977 case CONVERT_CK_565: {
978 /* Converting the 565 format in 5551 packed to emulate color-keying.
979
980 Note : in all these conversion, it would be best to average the averaging
981 pixels to get the color of the pixel that will be color-keyed to
982 prevent 'color bleeding'. This will be done later on if ever it is
983 too visible.
984
985 Note2: when using color-keying + alpha, are the alpha bits part of the
986 color-space or not ?
987 */
988 int x, y;
989 WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
990
991 if (*temp_buffer == NULL)
992 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
993 current_tex_width * current_tex_height * sizeof(WORD));
994 dst = (WORD *) *temp_buffer;
995
996 for (y = 0; y < height; y++) {
997 for (x = 0; x < width; x++) {
998 WORD color = *src++;
999 *dst = ((color & 0xFFD0) | ((color & 0x1F) << 1));
1000 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1001 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1002 *dst |= 0x0001;
1003 dst++;
1004 }
1005 src = (WORD *) (((BYTE *) src) + line_increase);
1006 }
1007 } break;
1008
1009 case CONVERT_CK_5551: {
1010 /* Change the alpha value of the color-keyed pixels to emulate color-keying. */
1011 int x, y;
1012 WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1013
1014 if (*temp_buffer == NULL)
1015 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1016 current_tex_width * current_tex_height * sizeof(WORD));
1017 dst = (WORD *) *temp_buffer;
1018
1019 for (y = 0; y < height; y++) {
1020 for (x = 0; x < width; x++) {
1021 WORD color = *src++;
1022 *dst = color & 0xFFFE;
1023 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1024 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1025 *dst |= color & 0x0001;
1026 dst++;
1027 }
1028 src = (WORD *) (((BYTE *) src) + line_increase);
1029 }
1030 } break;
1031
1032 case CONVERT_CK_4444: {
1033 /* Change the alpha value of the color-keyed pixels to emulate color-keying. */
1034 int x, y;
1035 WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1036
1037 if (*temp_buffer == NULL)
1038 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1039 current_tex_width * current_tex_height * sizeof(WORD));
1040 dst = (WORD *) *temp_buffer;
1041
1042 for (y = 0; y < height; y++) {
1043 for (x = 0; x < width; x++) {
1044 WORD color = *src++;
1045 *dst = color & 0xFFF0;
1046 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1047 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1048 *dst |= color & 0x000F;
1049 dst++;
1050 }
1051 src = (WORD *) (((BYTE *) src) + line_increase);
1052 }
1053 } break;
1054
1055 case CONVERT_CK_4444_ARGB: {
1056 /* Move the four Alpha bits... */
1057 int x, y;
1058 WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1059
1060 if (*temp_buffer == NULL)
1061 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1062 current_tex_width * current_tex_height * sizeof(WORD));
1063 dst = (WORD *) *temp_buffer;
1064
1065 for (y = 0; y < height; y++) {
1066 for (x = 0; x < width; x++) {
1067 WORD color = *src++;
1068 *dst = (color & 0x0FFF) << 4;
1069 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1070 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1071 *dst |= (color & 0xF000) >> 12;
1072 dst++;
1073 }
1074 src = (WORD *) (((BYTE *) src) + line_increase);
1075 }
1076 } break;
1077
1078 case CONVERT_CK_1555: {
1079 int x, y;
1080 WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1081
1082 if (*temp_buffer == NULL)
1083 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1084 current_tex_width * current_tex_height * sizeof(WORD));
1085 dst = (WORD *) *temp_buffer;
1086
1087 for (y = 0; y < height; y++) {
1088 for (x = 0; x < width; x++) {
1089 WORD color = *src++;
1090 *dst = (color & 0x7FFF) << 1;
1091 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1092 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1093 *dst |= (color & 0x8000) >> 15;
1094 dst++;
1095 }
1096 src = (WORD *) (((BYTE *) src) + line_increase);
1097 }
1098 } break;
1099
1100 case CONVERT_555: {
1101 /* Converting the 0555 format in 5551 packed */
1102 int x, y;
1103 WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1104
1105 if (*temp_buffer == NULL)
1106 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1107 current_tex_width * current_tex_height * sizeof(WORD));
1108 dst = (WORD *) *temp_buffer;
1109
1110 if (src_d->dwFlags & DDSD_CKSRCBLT) {
1111 for (y = 0; y < height; y++) {
1112 for (x = 0; x < width; x++) {
1113 WORD color = *src++;
1114 *dst = (color & 0x7FFF) << 1;
1115 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1116 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1117 *dst |= 0x0001;
1118 dst++;
1119 }
1120 src = (WORD *) (((BYTE *) src) + line_increase);
1121 }
1122 } else {
1123 for (y = 0; y < height; y++) {
1124 for (x = 0; x < width; x++) {
1125 WORD color = *src++;
1126 *dst++ = ((color & 0x7FFF) << 1) | 0x0001;
1127 }
1128 src = (WORD *) (((BYTE *) src) + line_increase);
1129 }
1130 }
1131
1132 } break;
1133
1134 case CONVERT_CK_RGB24: {
1135 /* This is a pain :-) */
1136 int x, y;
1137 BYTE *src = (BYTE *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top));
1138 DWORD *dst;
1139
1140 if (*temp_buffer == NULL)
1141 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1142 current_tex_width * current_tex_height * sizeof(DWORD));
1143 dst = (DWORD *) *temp_buffer;
1144
1145 for (y = 0; y < height; y++) {
1146 for (x = 0; x < width; x++) {
1147 DWORD color = *((DWORD *) src) & 0x00FFFFFF;
1148 src += 3;
1149 *dst = *src++ << 8;
1150 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1151 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1152 *dst |= 0xFF;
1153 dst++;
1154 }
1155 src += line_increase;
1156 }
1157 } break;
1158
1159 case CONVERT_CK_8888: {
1160 /* Just use the alpha component to handle color-keying... */
1161 int x, y;
1162 DWORD *src = (DWORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1163
1164 if (*temp_buffer == NULL)
1165 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1166 current_tex_width * current_tex_height * sizeof(DWORD));
1167 dst = (DWORD *) *temp_buffer;
1168
1169 for (y = 0; y < height; y++) {
1170 for (x = 0; x < width; x++) {
1171 DWORD color = *src++;
1172 *dst = color & 0xFFFFFF00;
1173 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1174 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1175 *dst |= color & 0x000000FF;
1176 dst++;
1177 }
1178 src = (DWORD *) (((BYTE *) src) + line_increase);
1179 }
1180 } break;
1181
1182 case CONVERT_CK_8888_ARGB: {
1183 int x, y;
1184 DWORD *src = (DWORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1185
1186 if (*temp_buffer == NULL)
1187 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1188 current_tex_width * current_tex_height * sizeof(DWORD));
1189 dst = (DWORD *) *temp_buffer;
1190
1191 for (y = 0; y < height; y++) {
1192 for (x = 0; x < width; x++) {
1193 DWORD color = *src++;
1194 *dst = (color & 0x00FFFFFF) << 8;
1195 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1196 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1197 *dst |= (color & 0xFF000000) >> 24;
1198 dst++;
1199 }
1200 src = (DWORD *) (((BYTE *) src) + line_increase);
1201 }
1202 } break;
1203
1204 case CONVERT_RGB32_888: {
1205 /* Just add an alpha component and handle color-keying... */
1206 int x, y;
1207 DWORD *src = (DWORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst;
1208
1209 if (*temp_buffer == NULL)
1210 *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1211 current_tex_width * current_tex_height * sizeof(DWORD));
1212 dst = (DWORD *) *temp_buffer;
1213
1214 if (src_d->dwFlags & DDSD_CKSRCBLT) {
1215 for (y = 0; y < height; y++) {
1216 for (x = 0; x < width; x++) {
1217 DWORD color = *src++;
1218 *dst = color << 8;
1219 if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) ||
1220 (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue))
1221 *dst |= 0xFF;
1222 dst++;
1223 }
1224 src = (DWORD *) (((BYTE *) src) + line_increase);
1225 }
1226 } else {
1227 for (y = 0; y < height; y++) {
1228 for (x = 0; x < width; x++) {
1229 *dst++ = (*src++ << 8) | 0xFF;
1230 }
1231 src = (DWORD *) (((BYTE *) src) + line_increase);
1232 }
1233 }
1234 } break;
1235
1236 case NO_CONVERSION:
1237 /* Nothing to do here as the name suggests... Just set-up the buffer correctly */
1238 surf_buffer = (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top));
1239 break;
1240 }
1241
1242 if (convert_type != NO_CONVERSION) {
1243 /* When doing conversion, the storage is always of width 'width' as there will never
1244 be any Pitch issue... For now :-)
1245 */
1246 surf_buffer = *temp_buffer;
1247 if (width != current_storage_width) {
1248 glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
1249 current_storage_width = width;
1250 }
1251 }
1252
1253 glTexSubImage2D(GL_TEXTURE_2D,
1254 current_level,
1255 xoffset, yoffset,
1256 width, height,
1257 current_format,
1258 current_pixel_format,
1259 surf_buffer);
1260
1261 return DD_OK;
1262 }
1263
1264 HRESULT upload_surface_to_tex_memory_release(void)
1265 {
1266 current_surface = NULL;
1267
1268 return DD_OK;
1269 }
Maarten's multimedia branch