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[wine/multimedia.git] / dlls / wined3d / vertexshader.c
blob7773b9baf36e5cf103a49510350d6a124e9cbddd
1 /*
2 * shaders implementation
3 *
4 * Copyright 2002-2003 Jason Edmeades
5 * Raphael Junqueira
6 *
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.
11 *
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.
16 *
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include "config.h"
23
24 #include <math.h>
25
26 #include "wined3d_private.h"
27
28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
29
30 /* Shader debugging - Change the following line to enable debugging of software
31 vertex shaders */
32 #if 0 /* Musxt not be 1 in cvs version */
33 # define VSTRACE(A) TRACE A
34 # define TRACE_VSVECTOR(name) TRACE( #name "=(%f, %f, %f, %f)\n", name.x, name.y, name.z, name.w)
35 #else
36 # define VSTRACE(A)
37 # define TRACE_VSVECTOR(name)
38 #endif
39
40
41 /**
42 * DirectX9 SDK download
43 * http://msdn.microsoft.com/library/default.asp?url=/downloads/list/directx.asp
44 *
45 * Exploring D3DX
46 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndrive/html/directx07162002.asp
47 *
48 * Using Vertex Shaders
49 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndrive/html/directx02192001.asp
50 *
51 * Dx9 New
52 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/whatsnew.asp
53 *
54 * Dx9 Shaders
55 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader2_0/VertexShader2_0.asp
56 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader2_0/Instructions/Instructions.asp
57 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/GettingStarted/VertexDeclaration/VertexDeclaration.asp
58 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader3_0/VertexShader3_0.asp
59 *
60 * Dx9 D3DX
61 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/advancedtopics/VertexPipe/matrixstack/matrixstack.asp
62 *
63 * FVF
64 * http://msdn.microsoft.com/library/en-us/directx9_c/directx/graphics/programmingguide/GettingStarted/VertexFormats/vformats.asp
65 *
66 * NVIDIA: DX8 Vertex Shader to NV Vertex Program
67 * http://developer.nvidia.com/view.asp?IO=vstovp
68 *
69 * NVIDIA: Memory Management with VAR
70 * http://developer.nvidia.com/view.asp?IO=var_memory_management
71 */
72
73 typedef void (*shader_fct_t)();
74
75 typedef struct SHADER_OPCODE {
76 CONST BYTE opcode;
77 const char* name;
78 CONST UINT num_params;
79 shader_fct_t soft_fct;
80 DWORD min_version;
81 DWORD max_version;
82 } SHADER_OPCODE;
83
84 /*******************************
85 * vshader functions software VM
86 */
87
88 void vshader_add(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
89 d->x = s0->x + s1->x;
90 d->y = s0->y + s1->y;
91 d->z = s0->z + s1->z;
92 d->w = s0->w + s1->w;
93 VSTRACE(("executing add: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
94 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
95 }
96
97 void vshader_dp3(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
98 d->x = d->y = d->z = d->w = s0->x * s1->x + s0->y * s1->y + s0->z * s1->z;
99 VSTRACE(("executing dp3: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
100 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
101 }
102
103 void vshader_dp4(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
104 d->x = d->y = d->z = d->w = s0->x * s1->x + s0->y * s1->y + s0->z * s1->z + s0->w * s1->w;
105 VSTRACE(("executing dp4: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
106 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
107 }
108
109 void vshader_dst(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
110 d->x = 1.0f;
111 d->y = s0->y * s1->y;
112 d->z = s0->z;
113 d->w = s1->w;
114 VSTRACE(("executing dst: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
115 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
116 }
117
118 void vshader_expp(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
119 union {
120 float f;
121 DWORD d;
122 } tmp;
123
124 tmp.f = floorf(s0->w);
125 d->x = powf(2.0f, tmp.f);
126 d->y = s0->w - tmp.f;
127 tmp.f = powf(2.0f, s0->w);
128 tmp.d &= 0xFFFFFF00U;
129 d->z = tmp.f;
130 d->w = 1.0f;
131 VSTRACE(("executing exp: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
132 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
133 }
134
135 void vshader_lit(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
136 d->x = 1.0f;
137 d->y = (0.0f < s0->x) ? s0->x : 0.0f;
138 d->z = (0.0f < s0->x && 0.0f < s0->y) ? powf(s0->y, s0->w) : 0.0f;
139 d->w = 1.0f;
140 VSTRACE(("executing lit: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
141 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
142 }
143
144 void vshader_logp(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
145 float tmp_f = fabsf(s0->w);
146 d->x = d->y = d->z = d->w = (0.0f != tmp_f) ? logf(tmp_f) / logf(2.0f) : -HUGE_VAL;
147 VSTRACE(("executing logp: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
148 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
149 }
150
151 void vshader_mad(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1, D3DSHADERVECTOR* s2) {
152 d->x = s0->x * s1->x + s2->x;
153 d->y = s0->y * s1->y + s2->y;
154 d->z = s0->z * s1->z + s2->z;
155 d->w = s0->w * s1->w + s2->w;
156 VSTRACE(("executing mad: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) s2=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
157 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, s2->x, s2->y, s2->z, s2->w, d->x, d->y, d->z, d->w));
158 }
159
160 void vshader_max(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
161 d->x = (s0->x >= s1->x) ? s0->x : s1->x;
162 d->y = (s0->y >= s1->y) ? s0->y : s1->y;
163 d->z = (s0->z >= s1->z) ? s0->z : s1->z;
164 d->w = (s0->w >= s1->w) ? s0->w : s1->w;
165 VSTRACE(("executing max: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
166 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
167 }
168
169 void vshader_min(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
170 d->x = (s0->x < s1->x) ? s0->x : s1->x;
171 d->y = (s0->y < s1->y) ? s0->y : s1->y;
172 d->z = (s0->z < s1->z) ? s0->z : s1->z;
173 d->w = (s0->w < s1->w) ? s0->w : s1->w;
174 VSTRACE(("executing min: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
175 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
176 }
177
178 void vshader_mov(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
179 d->x = s0->x;
180 d->y = s0->y;
181 d->z = s0->z;
182 d->w = s0->w;
183 VSTRACE(("executing mov: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
184 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
185 }
186
187 void vshader_mul(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
188 d->x = s0->x * s1->x;
189 d->y = s0->y * s1->y;
190 d->z = s0->z * s1->z;
191 d->w = s0->w * s1->w;
192 VSTRACE(("executing mul: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
193 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
194 }
195
196 void vshader_nop(void) {
197 /* NOPPPP ahhh too easy ;) */
198 }
199
200 void vshader_rcp(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
201 d->x = d->y = d->z = d->w = (0.0f == s0->w) ? HUGE_VAL : 1.0f / s0->w;
202 VSTRACE(("executing rcp: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
203 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
204 }
205
206 void vshader_rsq(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
207 float tmp_f = fabsf(s0->w);
208 d->x = d->y = d->z = d->w = (0.0f == tmp_f) ? HUGE_VAL : ((1.0f != tmp_f) ? 1.0f / sqrtf(tmp_f) : 1.0f);
209 VSTRACE(("executing rsq: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
210 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
211 }
212
213 void vshader_sge(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
214 d->x = (s0->x >= s1->x) ? 1.0f : 0.0f;
215 d->y = (s0->y >= s1->y) ? 1.0f : 0.0f;
216 d->z = (s0->z >= s1->z) ? 1.0f : 0.0f;
217 d->w = (s0->w >= s1->w) ? 1.0f : 0.0f;
218 VSTRACE(("executing sge: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
219 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
220 }
221
222 void vshader_slt(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
223 d->x = (s0->x < s1->x) ? 1.0f : 0.0f;
224 d->y = (s0->y < s1->y) ? 1.0f : 0.0f;
225 d->z = (s0->z < s1->z) ? 1.0f : 0.0f;
226 d->w = (s0->w < s1->w) ? 1.0f : 0.0f;
227 VSTRACE(("executing slt: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
228 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
229 }
230
231 void vshader_sub(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1) {
232 d->x = s0->x - s1->x;
233 d->y = s0->y - s1->y;
234 d->z = s0->z - s1->z;
235 d->w = s0->w - s1->w;
236 VSTRACE(("executing sub: s0=(%f, %f, %f, %f) s1=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
237 s0->x, s0->y, s0->z, s0->w, s1->x, s1->y, s1->z, s1->w, d->x, d->y, d->z, d->w));
238 }
239
240 /**
241 * Version 1.1 specific
242 */
243
244 void vshader_exp(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
245 d->x = d->y = d->z = d->w = powf(2.0f, s0->w);
246 VSTRACE(("executing exp: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
247 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
248 }
249
250 void vshader_log(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
251 float tmp_f = fabsf(s0->w);
252 d->x = d->y = d->z = d->w = (0.0f != tmp_f) ? logf(tmp_f) / logf(2.0f) : -HUGE_VAL;
253 VSTRACE(("executing log: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
254 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
255 }
256
257 void vshader_frc(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0) {
258 d->x = s0->x - floorf(s0->x);
259 d->y = s0->y - floorf(s0->y);
260 d->z = 0.0f;
261 d->w = 1.0f;
262 VSTRACE(("executing frc: s0=(%f, %f, %f, %f) => d=(%f, %f, %f, %f)\n",
263 s0->x, s0->y, s0->z, s0->w, d->x, d->y, d->z, d->w));
264 }
265
266 typedef FLOAT D3DMATRIX44[4][4];
267 typedef FLOAT D3DMATRIX43[4][3];
268 typedef FLOAT D3DMATRIX34[4][4];
269 typedef FLOAT D3DMATRIX33[4][3];
270 typedef FLOAT D3DMATRIX32[4][2];
271
272 void vshader_m4x4(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, /*D3DSHADERVECTOR* mat1*/ D3DMATRIX44 mat) {
273 /*
274 * BuGGY CODE: here only if cast not work for copy/paste
275 D3DSHADERVECTOR* mat2 = mat1 + 1;
276 D3DSHADERVECTOR* mat3 = mat1 + 2;
277 D3DSHADERVECTOR* mat4 = mat1 + 3;
278 d->x = mat1->x * s0->x + mat2->x * s0->y + mat3->x * s0->z + mat4->x * s0->w;
279 d->y = mat1->y * s0->x + mat2->y * s0->y + mat3->y * s0->z + mat4->y * s0->w;
280 d->z = mat1->z * s0->x + mat2->z * s0->y + mat3->z * s0->z + mat4->z * s0->w;
281 d->w = mat1->w * s0->x + mat2->w * s0->y + mat3->w * s0->z + mat4->w * s0->w;
282 */
283 d->x = mat[0][0] * s0->x + mat[0][1] * s0->y + mat[0][2] * s0->z + mat[0][3] * s0->w;
284 d->y = mat[1][0] * s0->x + mat[1][1] * s0->y + mat[1][2] * s0->z + mat[1][3] * s0->w;
285 d->z = mat[2][0] * s0->x + mat[2][1] * s0->y + mat[2][2] * s0->z + mat[2][3] * s0->w;
286 d->w = mat[3][0] * s0->x + mat[3][1] * s0->y + mat[3][2] * s0->z + mat[3][3] * s0->w;
287 VSTRACE(("executing m4x4(1): mat=(%f, %f, %f, %f) s0=(%f) d=(%f) \n", mat[0][0], mat[0][1], mat[0][2], mat[0][3], s0->x, d->x));
288 VSTRACE(("executing m4x4(2): mat=(%f, %f, %f, %f) (%f) (%f) \n", mat[1][0], mat[1][1], mat[1][2], mat[1][3], s0->y, d->y));
289 VSTRACE(("executing m4x4(3): mat=(%f, %f, %f, %f) X (%f) = (%f) \n", mat[2][0], mat[2][1], mat[2][2], mat[2][3], s0->z, d->z));
290 VSTRACE(("executing m4x4(4): mat=(%f, %f, %f, %f) (%f) (%f) \n", mat[3][0], mat[3][1], mat[3][2], mat[3][3], s0->w, d->w));
291 }
292
293 void vshader_m4x3(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DMATRIX43 mat) {
294 d->x = mat[0][0] * s0->x + mat[0][1] * s0->y + mat[0][2] * s0->z + mat[0][3] * s0->w;
295 d->y = mat[1][0] * s0->x + mat[1][1] * s0->y + mat[1][2] * s0->z + mat[1][3] * s0->w;
296 d->z = mat[2][0] * s0->x + mat[2][1] * s0->y + mat[2][2] * s0->z + mat[2][3] * s0->w;
297 d->w = 1.0f;
298 VSTRACE(("executing m4x3(1): mat=(%f, %f, %f, %f) s0=(%f) d=(%f) \n", mat[0][0], mat[0][1], mat[0][2], mat[0][3], s0->x, d->x));
299 VSTRACE(("executing m4x3(2): mat=(%f, %f, %f, %f) (%f) (%f) \n", mat[1][0], mat[1][1], mat[1][2], mat[1][3], s0->y, d->y));
300 VSTRACE(("executing m4x3(3): mat=(%f, %f, %f, %f) X (%f) = (%f) \n", mat[2][0], mat[2][1], mat[2][2], mat[2][3], s0->z, d->z));
301 VSTRACE(("executing m4x3(4): (%f) (%f) \n", s0->w, d->w));
302 }
303
304 void vshader_m3x4(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DMATRIX34 mat) {
305 d->x = mat[0][0] * s0->x + mat[0][1] * s0->y + mat[0][2] * s0->z;
306 d->y = mat[2][0] * s0->x + mat[1][1] * s0->y + mat[1][2] * s0->z;
307 d->z = mat[2][0] * s0->x + mat[2][1] * s0->y + mat[2][2] * s0->z;
308 d->w = mat[3][0] * s0->x + mat[3][1] * s0->y + mat[3][2] * s0->z;
309 VSTRACE(("executing m3x4(1): mat=(%f, %f, %f) s0=(%f) d=(%f) \n", mat[0][0], mat[0][1], mat[0][2], s0->x, d->x));
310 VSTRACE(("executing m3x4(2): mat=(%f, %f, %f) (%f) (%f) \n", mat[1][0], mat[1][1], mat[1][2], s0->y, d->y));
311 VSTRACE(("executing m3x4(3): mat=(%f, %f, %f) X (%f) = (%f) \n", mat[2][0], mat[2][1], mat[2][2], s0->z, d->z));
312 VSTRACE(("executing m3x4(4): mat=(%f, %f, %f) (%f) (%f) \n", mat[3][0], mat[3][1], mat[3][2], s0->w, d->w));
313 }
314
315 void vshader_m3x3(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DMATRIX33 mat) {
316 d->x = mat[0][0] * s0->x + mat[0][1] * s0->y + mat[2][2] * s0->z;
317 d->y = mat[1][0] * s0->x + mat[1][1] * s0->y + mat[2][2] * s0->z;
318 d->z = mat[2][0] * s0->x + mat[2][1] * s0->y + mat[2][2] * s0->z;
319 d->w = 1.0f;
320 VSTRACE(("executing m3x3(1): mat=(%f, %f, %f) s0=(%f) d=(%f) \n", mat[0][0], mat[0][1], mat[0][2], s0->x, d->x));
321 VSTRACE(("executing m3x3(2): mat=(%f, %f, %f) (%f) (%f) \n", mat[1][0], mat[1][1], mat[1][2], s0->y, d->y));
322 VSTRACE(("executing m3x3(3): mat=(%f, %f, %f) X (%f) = (%f) \n", mat[2][0], mat[2][1], mat[2][2], s0->z, d->z));
323 VSTRACE(("executing m3x3(4): (%f) \n", d->w));
324 }
325
326 void vshader_m3x2(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DMATRIX32 mat) {
327 FIXME("check\n");
328 d->x = mat[0][0] * s0->x + mat[0][1] * s0->y + mat[0][2] * s0->z;
329 d->y = mat[1][0] * s0->x + mat[1][1] * s0->y + mat[1][2] * s0->z;
330 d->z = 0.0f;
331 d->w = 1.0f;
332 }
333
334 /**
335 * Version 2.0 specific
336 */
337 void vshader_lrp(D3DSHADERVECTOR* d, D3DSHADERVECTOR* s0, D3DSHADERVECTOR* s1, D3DSHADERVECTOR* s2, D3DSHADERVECTOR* s3) {
338 d->x = s0->x * (s1->x - s2->x) + s2->x;
339 d->y = s0->y * (s1->y - s2->y) + s2->y;
340 d->z = s0->z * (s1->z - s2->z) + s2->z;
341 d->w = s0->w * (s1->w - s2->w) + s2->x;
342 }
343
344 /**
345 * log, exp, frc, m*x* seems to be macros ins ... to see
346 */
347 static CONST SHADER_OPCODE vshader_ins [] = {
348 {D3DSIO_NOP, "nop", 0, vshader_nop, 0, 0},
349 {D3DSIO_MOV, "mov", 2, vshader_mov, 0, 0},
350 {D3DSIO_ADD, "add", 3, vshader_add, 0, 0},
351 {D3DSIO_SUB, "sub", 3, vshader_sub, 0, 0},
352 {D3DSIO_MAD, "mad", 4, vshader_mad, 0, 0},
353 {D3DSIO_MUL, "mul", 3, vshader_mul, 0, 0},
354 {D3DSIO_RCP, "rcp", 2, vshader_rcp, 0, 0},
355 {D3DSIO_RSQ, "rsq", 2, vshader_rsq, 0, 0},
356 {D3DSIO_DP3, "dp3", 3, vshader_dp3, 0, 0},
357 {D3DSIO_DP4, "dp4", 3, vshader_dp4, 0, 0},
358 {D3DSIO_MIN, "min", 3, vshader_min, 0, 0},
359 {D3DSIO_MAX, "max", 3, vshader_max, 0, 0},
360 {D3DSIO_SLT, "slt", 3, vshader_slt, 0, 0},
361 {D3DSIO_SGE, "sge", 3, vshader_sge, 0, 0},
362 {D3DSIO_EXP, "exp", 2, vshader_exp, 0, 0},
363 {D3DSIO_LOG, "log", 2, vshader_log, 0, 0},
364 {D3DSIO_LIT, "lit", 2, vshader_lit, 0, 0},
365 {D3DSIO_DST, "dst", 3, vshader_dst, 0, 0},
366 {D3DSIO_LRP, "lrp", 5, vshader_lrp, 0, 0},
367 {D3DSIO_FRC, "frc", 2, vshader_frc, 0, 0},
368 {D3DSIO_M4x4, "m4x4", 3, vshader_m4x4, 0, 0},
369 {D3DSIO_M4x3, "m4x3", 3, vshader_m4x3, 0, 0},
370 {D3DSIO_M3x4, "m3x4", 3, vshader_m3x4, 0, 0},
371 {D3DSIO_M3x3, "m3x3", 3, vshader_m3x3, 0, 0},
372 {D3DSIO_M3x2, "m3x2", 3, vshader_m3x2, 0, 0},
373 /** FIXME: use direct access so add the others opcodes as stubs */
374 {D3DSIO_EXPP, "expp", 2, vshader_expp, 0, 0},
375 {D3DSIO_LOGP, "logp", 2, vshader_logp, 0, 0},
376
377 {0, NULL, 0, NULL, 0, 0}
378 };
379
380
381 inline static const SHADER_OPCODE* vshader_program_get_opcode(const DWORD code) {
382 DWORD i = 0;
383 /** TODO: use dichotomic search */
384 while (NULL != vshader_ins[i].name) {
385 if ((code & D3DSI_OPCODE_MASK) == vshader_ins[i].opcode) {
386 return &vshader_ins[i];
387 }
388 ++i;
389 }
390 return NULL;
391 }
392
393 inline static void vshader_program_dump_param(const DWORD param, int input) {
394 static const char* rastout_reg_names[] = { "oPos", "oFog", "oPts" };
395 static const char swizzle_reg_chars[] = "xyzw";
396
397 DWORD reg = param & 0x00001FFF;
398 DWORD regtype = ((param & D3DSP_REGTYPE_MASK) >> D3DSP_REGTYPE_SHIFT);
399
400 if ((param & D3DSP_SRCMOD_MASK) == D3DSPSM_NEG) TRACE("-");
401
402 switch (regtype << D3DSP_REGTYPE_SHIFT) {
403 case D3DSPR_TEMP:
404 TRACE("R[%lu]", reg);
405 break;
406 case D3DSPR_INPUT:
407 TRACE("V[%lu]", reg);
408 break;
409 case D3DSPR_CONST:
410 TRACE("C[%s%lu]", (param & D3DVS_ADDRMODE_RELATIVE) ? "a0.x + " : "", reg);
411 break;
412 case D3DSPR_ADDR: /*case D3DSPR_TEXTURE:*/
413 TRACE("a[%lu]", reg);
414 break;
415 case D3DSPR_RASTOUT:
416 TRACE("%s", rastout_reg_names[reg]);
417 break;
418 case D3DSPR_ATTROUT:
419 TRACE("oD[%lu]", reg);
420 break;
421 case D3DSPR_TEXCRDOUT:
422 TRACE("oT[%lu]", reg);
423 break;
424 default:
425 break;
426 }
427
428 if (!input) {
429 /** operand output */
430 if ((param & D3DSP_WRITEMASK_ALL) != D3DSP_WRITEMASK_ALL) {
431 if (param & D3DSP_WRITEMASK_0) TRACE(".x");
432 if (param & D3DSP_WRITEMASK_1) TRACE(".y");
433 if (param & D3DSP_WRITEMASK_2) TRACE(".z");
434 if (param & D3DSP_WRITEMASK_3) TRACE(".w");
435 }
436 } else {
437 /** operand input */
438 DWORD swizzle = (param & D3DVS_SWIZZLE_MASK) >> D3DVS_SWIZZLE_SHIFT;
439 DWORD swizzle_x = swizzle & 0x03;
440 DWORD swizzle_y = (swizzle >> 2) & 0x03;
441 DWORD swizzle_z = (swizzle >> 4) & 0x03;
442 DWORD swizzle_w = (swizzle >> 6) & 0x03;
443 /**
444 * swizzle bits fields:
445 * WWZZYYXX
446 */
447 if ((D3DVS_NOSWIZZLE >> D3DVS_SWIZZLE_SHIFT) != swizzle) { /* ! D3DVS_NOSWIZZLE == 0xE4 << D3DVS_SWIZZLE_SHIFT */
448 if (swizzle_x == swizzle_y &&
449 swizzle_x == swizzle_z &&
450 swizzle_x == swizzle_w) {
451 TRACE(".%c", swizzle_reg_chars[swizzle_x]);
452 } else {
453 TRACE(".%c%c%c%c",
454 swizzle_reg_chars[swizzle_x],
455 swizzle_reg_chars[swizzle_y],
456 swizzle_reg_chars[swizzle_z],
457 swizzle_reg_chars[swizzle_w]);
458 }
459 }
460 }
461 }
462
463 inline static BOOL vshader_is_version_token(DWORD token) {
464 return 0xFFFE0000 == (token & 0xFFFE0000);
465 }
466
467 inline static BOOL vshader_is_comment_token(DWORD token) {
468 return D3DSIO_COMMENT == (token & D3DSI_OPCODE_MASK);
469 }
470
471 /**
472 * Function parser ...
473 */
474 HRESULT WINAPI IDirect3DVertexShaderImpl_ParseProgram(IDirect3DVertexShaderImpl* vshader, CONST DWORD* pFunction) {
475 const DWORD* pToken = pFunction;
476 const SHADER_OPCODE* curOpcode = NULL;
477 DWORD len = 0;
478 DWORD i;
479
480 if (NULL != pToken) {
481 while (D3DVS_END() != *pToken) {
482 if (vshader_is_version_token(*pToken)) { /** version */
483 TRACE("vs.%lu.%lu\n", (*pToken >> 8) & 0x0F, (*pToken & 0x0F));
484 ++pToken;
485 ++len;
486 continue;
487 }
488 if (vshader_is_comment_token(*pToken)) { /** comment */
489 DWORD comment_len = (*pToken & D3DSI_COMMENTSIZE_MASK) >> D3DSI_COMMENTSIZE_SHIFT;
490 ++pToken;
491 /*TRACE("comment[%ld] ;%s\n", comment_len, (char*)pToken);*/
492 pToken += comment_len;
493 len += comment_len + 1;
494 continue;
495 }
496 curOpcode = vshader_program_get_opcode(*pToken);
497 ++pToken;
498 ++len;
499 if (NULL == curOpcode) {
500 /* unkown current opcode ... */
501 while (*pToken & 0x80000000) {
502 TRACE("unrecognized opcode: %08lx\n", *pToken);
503 ++pToken;
504 ++len;
505 }
506 } else {
507 TRACE("%s ", curOpcode->name);
508 if (curOpcode->num_params > 0) {
509 vshader_program_dump_param(*pToken, 0);
510 ++pToken;
511 ++len;
512 for (i = 1; i < curOpcode->num_params; ++i) {
513 TRACE(", ");
514 vshader_program_dump_param(*pToken, 1);
515 ++pToken;
516 ++len;
517 }
518 }
519 TRACE("\n");
520 }
521 }
522 vshader->functionLength = (len + 1) * sizeof(DWORD);
523 } else {
524 vshader->functionLength = 1; /* no Function defined use fixed function vertex processing */
525 }
526 /* copy the function ... because it will certainly be released by application */
527
528 if (NULL != pFunction) {
529 vshader->function = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, vshader->functionLength);
530 memcpy(vshader->function, pFunction, vshader->functionLength);
531 } else {
532 vshader->function = NULL;
533 }
534 return D3D_OK;
535 }
536
537 BOOL IDirect3DVertexShaderImpl_ExecuteHAL(IDirect3DVertexShaderImpl* vshader, VSHADERINPUTDATA* input, VSHADEROUTPUTDATA* output) {
538 /**
539 * TODO: use the NV_vertex_program (or 1_1) extension
540 * and specifics vendors (ARB_vertex_program??) variants for it
541 */
542 return TRUE;
543 }
544
545 HRESULT WINAPI IDirect3DVertexShaderImpl_ExecuteSW(IDirect3DVertexShaderImpl* vshader, VSHADERINPUTDATA* input, VSHADEROUTPUTDATA* output) {
546 /** Vertex Shader Temporary Registers */
547 D3DSHADERVECTOR R[12];
548 /*D3DSHADERSCALAR A0;*/
549 D3DSHADERVECTOR A[1];
550 /** temporary Vector for modifier management */
551 D3DSHADERVECTOR d;
552 D3DSHADERVECTOR s[3];
553 /** parser datas */
554 const DWORD* pToken = vshader->function;
555 const SHADER_OPCODE* curOpcode = NULL;
556 /** functions parameters */
557 D3DSHADERVECTOR* p[4];
558 D3DSHADERVECTOR* p_send[4];
559 DWORD i;
560
561 /** init temporary register */
562 memset(R, 0, 12 * sizeof(D3DSHADERVECTOR));
563
564 /* vshader_program_parse(vshader); */
565 #if 0 /* Must not be 1 in cvs */
566 TRACE("Input:\n");
567 TRACE_VSVECTOR(vshader->data->C[0]);
568 TRACE_VSVECTOR(vshader->data->C[1]);
569 TRACE_VSVECTOR(vshader->data->C[2]);
570 TRACE_VSVECTOR(vshader->data->C[3]);
571 TRACE_VSVECTOR(vshader->data->C[4]);
572 TRACE_VSVECTOR(vshader->data->C[5]);
573 TRACE_VSVECTOR(vshader->data->C[6]);
574 TRACE_VSVECTOR(vshader->data->C[7]);
575 TRACE_VSVECTOR(vshader->data->C[8]);
576 TRACE_VSVECTOR(vshader->data->C[64]);
577 TRACE_VSVECTOR(input->V[D3DVSDE_POSITION]);
578 TRACE_VSVECTOR(input->V[D3DVSDE_BLENDWEIGHT]);
579 TRACE_VSVECTOR(input->V[D3DVSDE_BLENDINDICES]);
580 TRACE_VSVECTOR(input->V[D3DVSDE_NORMAL]);
581 TRACE_VSVECTOR(input->V[D3DVSDE_PSIZE]);
582 TRACE_VSVECTOR(input->V[D3DVSDE_DIFFUSE]);
583 TRACE_VSVECTOR(input->V[D3DVSDE_SPECULAR]);
584 TRACE_VSVECTOR(input->V[D3DVSDE_TEXCOORD0]);
585 TRACE_VSVECTOR(input->V[D3DVSDE_TEXCOORD1]);
586 #endif
587
588 TRACE_VSVECTOR(vshader->data->C[64]);
589
590 /* the first dword is the version tag */
591 /* TODO: parse it */
592
593 if (vshader_is_version_token(*pToken)) { /** version */
594 ++pToken;
595 }
596 while (D3DVS_END() != *pToken) {
597 if (vshader_is_comment_token(*pToken)) { /** comment */
598 DWORD comment_len = (*pToken & D3DSI_COMMENTSIZE_MASK) >> D3DSI_COMMENTSIZE_SHIFT;
599 ++pToken;
600 pToken += comment_len;
601 continue ;
602 }
603 curOpcode = vshader_program_get_opcode(*pToken);
604 ++pToken;
605 if (NULL == curOpcode) {
606 i = 0;
607 /* unkown current opcode ... */
608 while (*pToken & 0x80000000) {
609 if (i == 0) {
610 TRACE("unrecognized opcode: pos=%d token=%08lX\n", (pToken - 1) - vshader->function, *(pToken - 1));
611 }
612 TRACE("unrecognized opcode param: pos=%d token=%08lX what=", pToken - vshader->function, *pToken);
613 vshader_program_dump_param(*pToken, i);
614 TRACE("\n");
615 ++i;
616 ++pToken;
617 }
618 /*return FALSE;*/
619 } else {
620 if (curOpcode->num_params > 0) {
621 /*TRACE(">> execting opcode: pos=%d opcode_name=%s token=%08lX\n", pToken - vshader->function, curOpcode->name, *pToken);*/
622 for (i = 0; i < curOpcode->num_params; ++i) {
623 DWORD reg = pToken[i] & 0x00001FFF;
624 DWORD regtype = ((pToken[i] & D3DSP_REGTYPE_MASK) >> D3DSP_REGTYPE_SHIFT);
625
626 switch (regtype << D3DSP_REGTYPE_SHIFT) {
627 case D3DSPR_TEMP:
628 /*TRACE("p[%d]=R[%d]\n", i, reg);*/
629 p[i] = &R[reg];
630 break;
631 case D3DSPR_INPUT:
632 /*TRACE("p[%d]=V[%s]\n", i, VertexShaderDeclRegister[reg]);*/
633 p[i] = &input->V[reg];
634 break;
635 case D3DSPR_CONST:
636 if (pToken[i] & D3DVS_ADDRMODE_RELATIVE) {
637 p[i] = &vshader->data->C[(DWORD) A[0].x + reg];
638 } else {
639 p[i] = &vshader->data->C[reg];
640 }
641 break;
642 case D3DSPR_ADDR: /*case D3DSPR_TEXTURE:*/
643 if (0 != reg) {
644 ERR("cannot handle address registers != a0, forcing use of a0\n");
645 reg = 0;
646 }
647 /*TRACE("p[%d]=A[%d]\n", i, reg);*/
648 p[i] = &A[reg];
649 break;
650 case D3DSPR_RASTOUT:
651 switch (reg) {
652 case D3DSRO_POSITION:
653 p[i] = &output->oPos;
654 break;
655 case D3DSRO_FOG:
656 p[i] = &output->oFog;
657 break;
658 case D3DSRO_POINT_SIZE:
659 p[i] = &output->oPts;
660 break;
661 }
662 break;
663 case D3DSPR_ATTROUT:
664 /*TRACE("p[%d]=oD[%d]\n", i, reg);*/
665 p[i] = &output->oD[reg];
666 break;
667 case D3DSPR_TEXCRDOUT:
668 /*TRACE("p[%d]=oT[%d]\n", i, reg);*/
669 p[i] = &output->oT[reg];
670 break;
671 default:
672 break;
673 }
674
675 if (i > 0) { /* input reg */
676 DWORD swizzle = (pToken[i] & D3DVS_SWIZZLE_MASK) >> D3DVS_SWIZZLE_SHIFT;
677 UINT isNegative = ((pToken[i] & D3DSP_SRCMOD_MASK) == D3DSPSM_NEG);
678
679 if (!isNegative && (D3DVS_NOSWIZZLE >> D3DVS_SWIZZLE_SHIFT) == swizzle) {
680 /*TRACE("p[%d] not swizzled\n", i);*/
681 p_send[i] = p[i];
682 } else {
683 DWORD swizzle_x = swizzle & 0x03;
684 DWORD swizzle_y = (swizzle >> 2) & 0x03;
685 DWORD swizzle_z = (swizzle >> 4) & 0x03;
686 DWORD swizzle_w = (swizzle >> 6) & 0x03;
687 /*TRACE("p[%d] swizzled\n", i);*/
688 float* tt = (float*) p[i];
689 s[i].x = (isNegative) ? -tt[swizzle_x] : tt[swizzle_x];
690 s[i].y = (isNegative) ? -tt[swizzle_y] : tt[swizzle_y];
691 s[i].z = (isNegative) ? -tt[swizzle_z] : tt[swizzle_z];
692 s[i].w = (isNegative) ? -tt[swizzle_w] : tt[swizzle_w];
693 p_send[i] = &s[i];
694 }
695 } else { /* output reg */
696 if ((pToken[i] & D3DSP_WRITEMASK_ALL) == D3DSP_WRITEMASK_ALL) {
697 p_send[i] = p[i];
698 } else {
699 p_send[i] = &d; /* to be post-processed for modifiers management */
700 }
701 }
702 }
703 }
704
705 switch (curOpcode->num_params) {
706 case 0:
707 curOpcode->soft_fct();
708 break;
709 case 1:
710 curOpcode->soft_fct(p_send[0]);
711 break;
712 case 2:
713 curOpcode->soft_fct(p_send[0], p_send[1]);
714 break;
715 case 3:
716 curOpcode->soft_fct(p_send[0], p_send[1], p_send[2]);
717 break;
718 case 4:
719 curOpcode->soft_fct(p_send[0], p_send[1], p_send[2], p_send[3]);
720 break;
721 case 5:
722 curOpcode->soft_fct(p_send[0], p_send[1], p_send[2], p_send[3], p_send[4]);
723 break;
724 default:
725 ERR("%s too many params: %u\n", curOpcode->name, curOpcode->num_params);
726 }
727
728 /* check if output reg modifier post-process */
729 if (curOpcode->num_params > 0 && (pToken[0] & D3DSP_WRITEMASK_ALL) != D3DSP_WRITEMASK_ALL) {
730 if (pToken[0] & D3DSP_WRITEMASK_0) p[0]->x = d.x;
731 if (pToken[0] & D3DSP_WRITEMASK_1) p[0]->y = d.y;
732 if (pToken[0] & D3DSP_WRITEMASK_2) p[0]->z = d.z;
733 if (pToken[0] & D3DSP_WRITEMASK_3) p[0]->w = d.w;
734 }
735
736 #if 0
737 TRACE_VSVECTOR(output->oPos);
738 TRACE_VSVECTOR(output->oD[0]);
739 TRACE_VSVECTOR(output->oD[1]);
740 TRACE_VSVECTOR(output->oT[0]);
741 TRACE_VSVECTOR(output->oT[1]);
742 TRACE_VSVECTOR(R[0]);
743 TRACE_VSVECTOR(R[1]);
744 TRACE_VSVECTOR(R[2]);
745 TRACE_VSVECTOR(R[3]);
746 TRACE_VSVECTOR(R[4]);
747 TRACE_VSVECTOR(R[5]);
748 #endif
749
750 /* to next opcode token */
751 pToken += curOpcode->num_params;
752 }
753 #if 0
754 TRACE("End of current instruction:\n");
755 TRACE_VSVECTOR(output->oPos);
756 TRACE_VSVECTOR(output->oD[0]);
757 TRACE_VSVECTOR(output->oD[1]);
758 TRACE_VSVECTOR(output->oT[0]);
759 TRACE_VSVECTOR(output->oT[1]);
760 TRACE_VSVECTOR(R[0]);
761 TRACE_VSVECTOR(R[1]);
762 TRACE_VSVECTOR(R[2]);
763 TRACE_VSVECTOR(R[3]);
764 TRACE_VSVECTOR(R[4]);
765 TRACE_VSVECTOR(R[5]);
766 #endif
767 }
768 #if 0 /* Must not be 1 in cvs */
769 TRACE("Output:\n");
770 TRACE_VSVECTOR(output->oPos);
771 TRACE_VSVECTOR(output->oD[0]);
772 TRACE_VSVECTOR(output->oD[1]);
773 TRACE_VSVECTOR(output->oT[0]);
774 TRACE_VSVECTOR(output->oT[1]);
775 #endif
776 return D3D_OK;
777 }
778
779 HRESULT WINAPI IDirect3DVertexShaderImpl_GetFunction(IDirect3DVertexShaderImpl* This, VOID* pData, UINT* pSizeOfData) {
780 if (NULL == pData) {
781 *pSizeOfData = This->functionLength;
782 return D3D_OK;
783 }
784 if (*pSizeOfData < This->functionLength) {
785 *pSizeOfData = This->functionLength;
786 return D3DERR_MOREDATA;
787 }
788 if (NULL == This->function) { /* no function defined */
789 TRACE("(%p) : GetFunction no User Function defined using NULL to %p\n", This, pData);
790 (*(DWORD **) pData) = NULL;
791 } else {
792 TRACE("(%p) : GetFunction copying to %p\n", This, pData);
793 memcpy(pData, This->function, This->functionLength);
794 }
795 return D3D_OK;
796 }
797
798 HRESULT WINAPI IDirect3DVertexShaderImpl_SetConstantF(IDirect3DVertexShaderImpl* This, UINT StartRegister, CONST FLOAT* pConstantData, UINT Vector4fCount) {
799 FIXME("(%p) : stub\n", This);
800 return D3D_OK;
801 }
802
803 HRESULT WINAPI IDirect3DVertexShaderImpl_GetConstantF(IDirect3DVertexShaderImpl* This, UINT StartRegister, FLOAT* pConstantData, UINT Vector4fCount) {
804 FIXME("(%p) : stub\n", This);
805 return D3D_OK;
806 }
807
808 HRESULT WINAPI IDirect3DVertexShaderImpl_SetConstantI(IDirect3DVertexShaderImpl* This, UINT StartRegister, CONST int* pConstantData, UINT Vector4iCount) {
809 if (StartRegister + Vector4iCount > D3D_VSHADER_MAX_CONSTANTS) {
810 ERR("(%p) : SetVertexShaderConstantI C[%u] invalid\n", This, StartRegister);
811 return D3DERR_INVALIDCALL;
812 }
813 if (NULL == pConstantData) {
814 return D3DERR_INVALIDCALL;
815 }
816 FIXME("(%p) : stub\n", This);
817 return D3D_OK;
818 }
819
820 HRESULT WINAPI IDirect3DVertexShaderImpl_GetConstantI(IDirect3DVertexShaderImpl* This, UINT StartRegister, int* pConstantData, UINT Vector4iCount) {
821 TRACE("(%p) : C[%u] count=%u\n", This, StartRegister, Vector4iCount);
822 if (StartRegister + Vector4iCount > D3D_VSHADER_MAX_CONSTANTS) {
823 return D3DERR_INVALIDCALL;
824 }
825 if (NULL == pConstantData) {
826 return D3DERR_INVALIDCALL;
827 }
828 FIXME("(%p) : stub\n", This);
829 return D3D_OK;
830 }
831
832 HRESULT WINAPI IDirect3DVertexShaderImpl_SetConstantB(IDirect3DVertexShaderImpl* This, UINT StartRegister, CONST BOOL* pConstantData, UINT BoolCount) {
833 if (StartRegister + BoolCount > D3D_VSHADER_MAX_CONSTANTS) {
834 ERR("(%p) : SetVertexShaderConstantB C[%u] invalid\n", This, StartRegister);
835 return D3DERR_INVALIDCALL;
836 }
837 if (NULL == pConstantData) {
838 return D3DERR_INVALIDCALL;
839 }
840 FIXME("(%p) : stub\n", This);
841 return D3D_OK;
842 }
843
844 HRESULT WINAPI IDirect3DVertexShaderImpl_GetConstantB(IDirect3DVertexShaderImpl* This, UINT StartRegister, BOOL* pConstantData, UINT BoolCount) {
845 FIXME("(%p) : stub\n", This);
846 return D3D_OK;
847 }
Maarten's multimedia branch