| 1 | |
| 2 | #include <stdlib.h> |
| 3 | #include "OpenGL.h" |
| 4 | #include "ShaderCombiner.h" |
| 5 | #include "Common.h" |
| 6 | #include "Textures.h" |
| 7 | #include "Config.h" |
| 8 | |
| 9 | |
| 10 | //(sa - sb) * m + a |
| 11 | static const u32 saRGBExpanded[] = |
| 12 | { |
| 13 | COMBINED, TEXEL0, TEXEL1, PRIMITIVE, |
| 14 | SHADE, ENVIRONMENT, ONE, NOISE, |
| 15 | ZERO, ZERO, ZERO, ZERO, |
| 16 | ZERO, ZERO, ZERO, ZERO |
| 17 | }; |
| 18 | |
| 19 | static const u32 sbRGBExpanded[] = |
| 20 | { |
| 21 | COMBINED, TEXEL0, TEXEL1, PRIMITIVE, |
| 22 | SHADE, ENVIRONMENT, CENTER, K4, |
| 23 | ZERO, ZERO, ZERO, ZERO, |
| 24 | ZERO, ZERO, ZERO, ZERO |
| 25 | }; |
| 26 | |
| 27 | static const u32 mRGBExpanded[] = |
| 28 | { |
| 29 | COMBINED, TEXEL0, TEXEL1, PRIMITIVE, |
| 30 | SHADE, ENVIRONMENT, SCALE, COMBINED_ALPHA, |
| 31 | TEXEL0_ALPHA, TEXEL1_ALPHA, PRIMITIVE_ALPHA, SHADE_ALPHA, |
| 32 | ENV_ALPHA, LOD_FRACTION, PRIM_LOD_FRAC, K5, |
| 33 | ZERO, ZERO, ZERO, ZERO, |
| 34 | ZERO, ZERO, ZERO, ZERO, |
| 35 | ZERO, ZERO, ZERO, ZERO, |
| 36 | ZERO, ZERO, ZERO, ZERO |
| 37 | }; |
| 38 | |
| 39 | static const u32 aRGBExpanded[] = |
| 40 | { |
| 41 | COMBINED, TEXEL0, TEXEL1, PRIMITIVE, |
| 42 | SHADE, ENVIRONMENT, ONE, ZERO |
| 43 | }; |
| 44 | |
| 45 | static const u32 saAExpanded[] = |
| 46 | { |
| 47 | COMBINED, TEXEL0_ALPHA, TEXEL1_ALPHA, PRIMITIVE_ALPHA, |
| 48 | SHADE_ALPHA, ENV_ALPHA, ONE, ZERO |
| 49 | }; |
| 50 | |
| 51 | static const u32 sbAExpanded[] = |
| 52 | { |
| 53 | COMBINED, TEXEL0_ALPHA, TEXEL1_ALPHA, PRIMITIVE_ALPHA, |
| 54 | SHADE_ALPHA, ENV_ALPHA, ONE, ZERO |
| 55 | }; |
| 56 | |
| 57 | static const u32 mAExpanded[] = |
| 58 | { |
| 59 | LOD_FRACTION, TEXEL0_ALPHA, TEXEL1_ALPHA, PRIMITIVE_ALPHA, |
| 60 | SHADE_ALPHA, ENV_ALPHA, PRIM_LOD_FRAC, ZERO, |
| 61 | }; |
| 62 | |
| 63 | static const u32 aAExpanded[] = |
| 64 | { |
| 65 | COMBINED, TEXEL0_ALPHA, TEXEL1_ALPHA, PRIMITIVE_ALPHA, |
| 66 | SHADE_ALPHA, ENV_ALPHA, ONE, ZERO |
| 67 | }; |
| 68 | |
| 69 | int CCEncodeA[] = {0, 1, 2, 3, 4, 5, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 15, 15, 6, 15 }; |
| 70 | int CCEncodeB[] = {0, 1, 2, 3, 4, 5, 6, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 15, 15, 15 }; |
| 71 | int CCEncodeC[] = {0, 1, 2, 3, 4, 5, 31, 6, 7, 8, 9, 10, 11, 12, 13, 14, 31, 31, 15, 31, 31}; |
| 72 | int CCEncodeD[] = {0, 1, 2, 3, 4, 5, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 6, 15}; |
| 73 | int ACEncodeA[] = {7, 7, 7, 7, 7, 7, 7, 7, 0, 1, 2, 3, 4, 5, 7, 7, 7, 7, 7, 6, 7}; |
| 74 | int ACEncodeB[] = {7, 7, 7, 7, 7, 7, 7, 7, 0, 1, 2, 3, 4, 5, 7, 7, 7, 7, 7, 6, 7}; |
| 75 | int ACEncodeC[] = {7, 7, 7, 7, 7, 7, 7, 7, 0, 1, 2, 3, 4, 5, 7, 6, 7, 7, 7, 7, 7}; |
| 76 | int ACEncodeD[] = {7, 7, 7, 7, 7, 7, 7, 7, 0, 1, 2, 3, 4, 5, 7, 7, 7, 7, 7, 6, 7}; |
| 77 | |
| 78 | ShaderProgram *scProgramRoot = NULL; |
| 79 | ShaderProgram *scProgramCurrent = NULL; |
| 80 | int scProgramChanged = 0; |
| 81 | int scProgramCount = 0; |
| 82 | |
| 83 | GLint _vertex_shader = 0; |
| 84 | |
| 85 | const char *_frag_header = " \n"\ |
| 86 | "uniform sampler2D uTex0; \n"\ |
| 87 | "uniform sampler2D uTex1; \n"\ |
| 88 | "uniform sampler2D uNoise; \n"\ |
| 89 | "uniform lowp vec4 uEnvColor; \n"\ |
| 90 | "uniform lowp vec4 uPrimColor; \n"\ |
| 91 | "uniform lowp vec4 uFogColor; \n"\ |
| 92 | "uniform highp float uAlphaRef; \n"\ |
| 93 | "uniform lowp float uPrimLODFrac; \n"\ |
| 94 | "uniform lowp float uK4; \n"\ |
| 95 | "uniform lowp float uK5; \n"\ |
| 96 | " \n"\ |
| 97 | "varying lowp float vFactor; \n"\ |
| 98 | "varying lowp vec4 vShadeColor; \n"\ |
| 99 | "varying mediump vec2 vTexCoord0; \n"\ |
| 100 | "varying mediump vec2 vTexCoord1; \n"\ |
| 101 | " \n"\ |
| 102 | "void main() \n"\ |
| 103 | "{ \n"\ |
| 104 | "lowp vec4 lFragColor; \n"; |
| 105 | |
| 106 | |
| 107 | const char *_vert = " \n"\ |
| 108 | "attribute highp vec4 aPosition; \n"\ |
| 109 | "attribute lowp vec4 aColor; \n"\ |
| 110 | "attribute highp vec2 aTexCoord0; \n"\ |
| 111 | "attribute highp vec2 aTexCoord1; \n"\ |
| 112 | " \n"\ |
| 113 | "uniform bool uEnableFog; \n"\ |
| 114 | "uniform float uFogMultiplier, uFogOffset; \n"\ |
| 115 | "uniform float uRenderState; \n"\ |
| 116 | " \n"\ |
| 117 | "uniform mediump vec2 uTexScale; \n"\ |
| 118 | "uniform mediump vec2 uTexOffset[2]; \n"\ |
| 119 | "uniform mediump vec2 uCacheShiftScale[2]; \n"\ |
| 120 | "uniform mediump vec2 uCacheScale[2]; \n"\ |
| 121 | "uniform mediump vec2 uCacheOffset[2]; \n"\ |
| 122 | " \n"\ |
| 123 | "varying lowp float vFactor; \n"\ |
| 124 | "varying lowp vec4 vShadeColor; \n"\ |
| 125 | "varying mediump vec2 vTexCoord0; \n"\ |
| 126 | "varying mediump vec2 vTexCoord1; \n"\ |
| 127 | " \n"\ |
| 128 | "void main() \n"\ |
| 129 | "{ \n"\ |
| 130 | "gl_Position = aPosition; \n"\ |
| 131 | "vShadeColor = aColor; \n"\ |
| 132 | " \n"\ |
| 133 | "if (uRenderState == 1.0) \n"\ |
| 134 | "{ \n"\ |
| 135 | "vTexCoord0 = (aTexCoord0 * (uTexScale[0] * \n"\ |
| 136 | " uCacheShiftScale[0]) + (uCacheOffset[0] - \n"\ |
| 137 | " uTexOffset[0])) * uCacheScale[0]; \n"\ |
| 138 | "vTexCoord1 = (aTexCoord0 * (uTexScale[1] * \n"\ |
| 139 | " uCacheShiftScale[1]) + (uCacheOffset[1] - \n"\ |
| 140 | " uTexOffset[1])) * uCacheScale[1]; \n"\ |
| 141 | "} \n"\ |
| 142 | "else \n"\ |
| 143 | "{ \n"\ |
| 144 | "vTexCoord0 = aTexCoord0; \n"\ |
| 145 | "vTexCoord1 = aTexCoord1; \n"\ |
| 146 | "} \n"\ |
| 147 | " \n"; |
| 148 | |
| 149 | const char * _vertfog = " \n"\ |
| 150 | "if (uEnableFog) \n"\ |
| 151 | "{ \n"\ |
| 152 | "vFactor = max(-1.0, aPosition.z / aPosition.w) \n"\ |
| 153 | " * uFogMultiplier + uFogOffset; \n"\ |
| 154 | "vFactor = clamp(vFactor, 0.0, 1.0); \n"\ |
| 155 | "} \n"; |
| 156 | |
| 157 | const char * _vertzhack = " \n"\ |
| 158 | "if (uRenderState == 1.0) \n"\ |
| 159 | "{ \n"\ |
| 160 | "gl_Position.z = (gl_Position.z + gl_Position.w*9.0) * 0.1; \n"\ |
| 161 | "} \n"; |
| 162 | |
| 163 | |
| 164 | const char * _color_param_str(int param) |
| 165 | { |
| 166 | switch(param) |
| 167 | { |
| 168 | case COMBINED: return "lFragColor.rgb"; |
| 169 | case TEXEL0: return "lTex0.rgb"; |
| 170 | case TEXEL1: return "lTex1.rgb"; |
| 171 | case PRIMITIVE: return "uPrimColor.rgb"; |
| 172 | case SHADE: return "vShadeColor.rgb"; |
| 173 | case ENVIRONMENT: return "uEnvColor.rgb"; |
| 174 | case CENTER: return "vec3(0.0)"; |
| 175 | case SCALE: return "vec3(0.0)"; |
| 176 | case COMBINED_ALPHA: return "vec3(lFragColor.a)"; |
| 177 | case TEXEL0_ALPHA: return "vec3(lTex0.a)"; |
| 178 | case TEXEL1_ALPHA: return "vec3(lTex1.a)"; |
| 179 | case PRIMITIVE_ALPHA: return "vec3(uPrimColor.a)"; |
| 180 | case SHADE_ALPHA: return "vec3(vShadeColor.a)"; |
| 181 | case ENV_ALPHA: return "vec3(uEnvColor.a)"; |
| 182 | case LOD_FRACTION: return "vec3(0.0)"; |
| 183 | case PRIM_LOD_FRAC: return "vec3(uPrimLODFrac)"; |
| 184 | case NOISE: return "lNoise.rgb"; |
| 185 | case K4: return "vec3(uK4)"; |
| 186 | case K5: return "vec3(uK5)"; |
| 187 | case ONE: return "vec3(1.0)"; |
| 188 | case ZERO: return "vec3(0.0)"; |
| 189 | default: |
| 190 | return "vec3(0.0)"; |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | const char * _alpha_param_str(int param) |
| 195 | { |
| 196 | switch(param) |
| 197 | { |
| 198 | case COMBINED: return "lFragColor.a"; |
| 199 | case TEXEL0: return "lTex0.a"; |
| 200 | case TEXEL1: return "lTex1.a"; |
| 201 | case PRIMITIVE: return "uPrimColor.a"; |
| 202 | case SHADE: return "vShadeColor.a"; |
| 203 | case ENVIRONMENT: return "uEnvColor.a"; |
| 204 | case CENTER: return "0.0"; |
| 205 | case SCALE: return "0.0"; |
| 206 | case COMBINED_ALPHA: return "lFragColor.a"; |
| 207 | case TEXEL0_ALPHA: return "lTex0.a"; |
| 208 | case TEXEL1_ALPHA: return "lTex1.a"; |
| 209 | case PRIMITIVE_ALPHA: return "uPrimColor.a"; |
| 210 | case SHADE_ALPHA: return "vShadeColor.a"; |
| 211 | case ENV_ALPHA: return "uEnvColor.a"; |
| 212 | case LOD_FRACTION: return "0.0"; |
| 213 | case PRIM_LOD_FRAC: return "uPrimLODFrac"; |
| 214 | case NOISE: return "lNoise.a"; |
| 215 | case K4: return "uK4"; |
| 216 | case K5: return "uK5"; |
| 217 | case ONE: return "1.0"; |
| 218 | case ZERO: return "0.0"; |
| 219 | default: |
| 220 | return "0.0"; |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | #define MAX_CACHE 16 |
| 225 | ShaderProgram* prog_cache[MAX_CACHE]; |
| 226 | u64 mux_cache[MAX_CACHE]; |
| 227 | int flag_cache[MAX_CACHE]; |
| 228 | int old_cache[MAX_CACHE]; |
| 229 | static int cache_turn=0; |
| 230 | |
| 231 | DecodedMux::DecodedMux(u64 mux, bool cycle2) |
| 232 | { |
| 233 | combine.mux = mux; |
| 234 | flags = 0; |
| 235 | |
| 236 | //set to ZERO. |
| 237 | for(int i=0;i<4;i++) |
| 238 | for(int j=0; j< 4; j++) |
| 239 | decode[i][j] = ZERO; |
| 240 | |
| 241 | //rgb cycle 0 |
| 242 | decode[0][0] = saRGBExpanded[combine.saRGB0]; |
| 243 | decode[0][1] = sbRGBExpanded[combine.sbRGB0]; |
| 244 | decode[0][2] = mRGBExpanded[combine.mRGB0]; |
| 245 | decode[0][3] = aRGBExpanded[combine.aRGB0]; |
| 246 | decode[1][0] = saAExpanded[combine.saA0]; |
| 247 | decode[1][1] = sbAExpanded[combine.sbA0]; |
| 248 | decode[1][2] = mAExpanded[combine.mA0]; |
| 249 | decode[1][3] = aAExpanded[combine.aA0]; |
| 250 | if (cycle2) |
| 251 | { |
| 252 | //rgb cycle 1 |
| 253 | decode[2][0] = saRGBExpanded[combine.saRGB1]; |
| 254 | decode[2][1] = sbRGBExpanded[combine.sbRGB1]; |
| 255 | decode[2][2] = mRGBExpanded[combine.mRGB1]; |
| 256 | decode[2][3] = aRGBExpanded[combine.aRGB1]; |
| 257 | decode[3][0] = saAExpanded[combine.saA1]; |
| 258 | decode[3][1] = sbAExpanded[combine.sbA1]; |
| 259 | decode[3][2] = mAExpanded[combine.mA1]; |
| 260 | decode[3][3] = aAExpanded[combine.aA1]; |
| 261 | |
| 262 | //texel 0/1 are swapped in 2nd cycle. |
| 263 | swap(1, TEXEL0, TEXEL1); |
| 264 | swap(1, TEXEL0_ALPHA, TEXEL1_ALPHA); |
| 265 | } |
| 266 | |
| 267 | //simplifying mux: |
| 268 | if (replace(G_CYC_1CYCLE, LOD_FRACTION, ZERO) || replace(G_CYC_2CYCLE, LOD_FRACTION, ZERO)) |
| 269 | LOG(LOG_VERBOSE, "SC Replacing LOD_FRACTION with ZERO\n"); |
| 270 | #if 1 |
| 271 | if (replace(G_CYC_1CYCLE, K4, ZERO) || replace(G_CYC_2CYCLE, K4, ZERO)) |
| 272 | LOG(LOG_VERBOSE, "SC Replacing K4 with ZERO\n"); |
| 273 | |
| 274 | if (replace(G_CYC_1CYCLE, K5, ZERO) || replace(G_CYC_2CYCLE, K5, ZERO)) |
| 275 | LOG(LOG_VERBOSE, "SC Replacing K5 with ZERO\n"); |
| 276 | #endif |
| 277 | |
| 278 | if (replace(G_CYC_1CYCLE, CENTER, ZERO) || replace(G_CYC_2CYCLE, CENTER, ZERO)) |
| 279 | LOG(LOG_VERBOSE, "SC Replacing CENTER with ZERO\n"); |
| 280 | |
| 281 | if (replace(G_CYC_1CYCLE, SCALE, ZERO) || replace(G_CYC_2CYCLE, SCALE, ZERO)) |
| 282 | LOG(LOG_VERBOSE, "SC Replacing SCALE with ZERO\n"); |
| 283 | |
| 284 | //Combiner has initial value of zero in cycle 0 |
| 285 | if (replace(G_CYC_1CYCLE, COMBINED, ZERO)) |
| 286 | LOG(LOG_VERBOSE, "SC Setting CYCLE1 COMBINED to ZERO\n"); |
| 287 | |
| 288 | if (replace(G_CYC_1CYCLE, COMBINED_ALPHA, ZERO)) |
| 289 | LOG(LOG_VERBOSE, "SC Setting CYCLE1 COMBINED_ALPHA to ZERO\n"); |
| 290 | |
| 291 | if (!config.enableNoise) |
| 292 | { |
| 293 | if (replace(G_CYC_1CYCLE, NOISE, ZERO)) |
| 294 | LOG(LOG_VERBOSE, "SC Setting CYCLE1 NOISE to ZERO\n"); |
| 295 | |
| 296 | if (replace(G_CYC_2CYCLE, NOISE, ZERO)) |
| 297 | LOG(LOG_VERBOSE, "SC Setting CYCLE2 NOISE to ZERO\n"); |
| 298 | |
| 299 | } |
| 300 | |
| 301 | //mutiplying by zero: (A-B)*0 + C = C |
| 302 | for(int i=0 ; i<4; i++) |
| 303 | { |
| 304 | if (decode[i][2] == ZERO) |
| 305 | { |
| 306 | decode[i][0] = ZERO; |
| 307 | decode[i][1] = ZERO; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | //(A1-B1)*C1 + D1 |
| 312 | //(A2-B2)*C2 + D2 |
| 313 | //1. ((A1-B1)*C1 + D1 - B2)*C2 + D2 = A1*C1*C2 - B1*C1*C2 + D1*C2 - B2*C2 + D2 |
| 314 | //2. (A2 - (A1-B1)*C1 - D1)*C2 + D2 = A2*C2 - A1*C1*C2 + B1*C1*C2 - D1*C2 + D2 |
| 315 | //3. (A2 - B2)*((A1-B1)*C1 + D1) + D2 = A2*A1*C1 - A2*B1*C1 + A2*D1 - B2*A1*C1 + B2*B1*C1 - B2*D1 + D2 |
| 316 | //4. (A2-B2)*C2 + (A1-B1)*C1 + D1 = A2*C2 - B2*C2 + A1*C1 - B1*C1 + D1 |
| 317 | |
| 318 | if (cycle2) |
| 319 | { |
| 320 | |
| 321 | if (!find(2, COMBINED)) |
| 322 | flags |= SC_IGNORE_RGB0; |
| 323 | |
| 324 | if (!(find(2, COMBINED_ALPHA) || find(3, COMBINED_ALPHA) || find(3, COMBINED))) |
| 325 | flags |= SC_IGNORE_ALPHA0; |
| 326 | |
| 327 | if (decode[2][0] == ZERO && decode[2][1] == ZERO && decode[2][2] == ZERO && decode[2][3] == COMBINED) |
| 328 | { |
| 329 | flags |= SC_IGNORE_RGB1; |
| 330 | } |
| 331 | |
| 332 | if (decode[3][0] == ZERO && decode[3][1] == ZERO && decode[3][2] == ZERO && |
| 333 | (decode[3][3] == COMBINED_ALPHA || decode[3][3] == COMBINED)) |
| 334 | { |
| 335 | flags |= SC_IGNORE_ALPHA1; |
| 336 | } |
| 337 | |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | bool DecodedMux::find(int index, int src) |
| 342 | { |
| 343 | for(int j=0;j<4;j++) |
| 344 | { |
| 345 | if (decode[index][j] == src) return true; |
| 346 | } |
| 347 | return false; |
| 348 | } |
| 349 | |
| 350 | bool DecodedMux::replace(int cycle, int src, int dest) |
| 351 | { |
| 352 | int r = false; |
| 353 | for(int i=0;i<2;i++) |
| 354 | { |
| 355 | int ii = (cycle == 0) ? i : (2+i); |
| 356 | for(int j=0;j<4;j++) |
| 357 | { |
| 358 | if (decode[ii][j] == src) {decode[ii][j] = dest; r=true;} |
| 359 | } |
| 360 | } |
| 361 | return r; |
| 362 | } |
| 363 | |
| 364 | bool DecodedMux::swap(int cycle, int src0, int src1) |
| 365 | { |
| 366 | int r = false; |
| 367 | for(int i=0;i<2;i++) |
| 368 | { |
| 369 | int ii = (cycle == 0) ? i : (2+i); |
| 370 | for(int j=0;j<4;j++) |
| 371 | { |
| 372 | if (decode[ii][j] == src0) {decode[ii][j] = src1; r=true;} |
| 373 | else if (decode[ii][j] == src1) {decode[ii][j] = src0; r=true;} |
| 374 | } |
| 375 | } |
| 376 | return r; |
| 377 | } |
| 378 | |
| 379 | void DecodedMux::hack() |
| 380 | { |
| 381 | if (config.hackZelda) |
| 382 | { |
| 383 | if(combine.mux == 0xfffd923800ffadffLL) |
| 384 | { |
| 385 | replace(G_CYC_1CYCLE, TEXEL1, TEXEL0); |
| 386 | replace(G_CYC_2CYCLE, TEXEL1, TEXEL0); |
| 387 | } |
| 388 | else if (combine.mux == 0xff5bfff800121603LL) |
| 389 | { |
| 390 | replace(G_CYC_1CYCLE, TEXEL1, ZERO); |
| 391 | replace(G_CYC_2CYCLE, TEXEL1, ZERO); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | } |
| 396 | |
| 397 | |
| 398 | int _program_compare(ShaderProgram *prog, DecodedMux *dmux, u32 flags) |
| 399 | { |
| 400 | if (prog) |
| 401 | return ((prog->combine.mux == dmux->combine.mux) && (prog->flags == flags)); |
| 402 | else |
| 403 | return 1; |
| 404 | } |
| 405 | |
| 406 | void _glcompiler_error(GLint shader) |
| 407 | { |
| 408 | int len, i; |
| 409 | char* log; |
| 410 | |
| 411 | glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &len); |
| 412 | log = (char*) malloc(len + 1); |
| 413 | glGetShaderInfoLog(shader, len, &i, log); |
| 414 | log[len] = 0; |
| 415 | LOG(LOG_ERROR, "COMPILE ERROR: %s \n", log); |
| 416 | free(log); |
| 417 | } |
| 418 | |
| 419 | void _gllinker_error(GLint program) |
| 420 | { |
| 421 | int len, i; |
| 422 | char* log; |
| 423 | |
| 424 | glGetProgramiv(program, GL_INFO_LOG_LENGTH, &len); |
| 425 | log = (char*) malloc(len + 1); |
| 426 | glGetProgramInfoLog(program, len, &i, log); |
| 427 | log[len] = 0; |
| 428 | LOG(LOG_ERROR, "LINK ERROR: %s \n", log); |
| 429 | free(log); |
| 430 | }; |
| 431 | |
| 432 | void _locate_attributes(ShaderProgram *p) |
| 433 | { |
| 434 | glBindAttribLocation(p->program, SC_POSITION, "aPosition"); |
| 435 | glBindAttribLocation(p->program, SC_COLOR, "aColor"); |
| 436 | glBindAttribLocation(p->program, SC_TEXCOORD0, "aTexCoord0"); |
| 437 | glBindAttribLocation(p->program, SC_TEXCOORD1, "aTexCoord1"); |
| 438 | }; |
| 439 | |
| 440 | #define LocateUniform(A) \ |
| 441 | p->uniforms.A.loc = glGetUniformLocation(p->program, #A); |
| 442 | |
| 443 | void _locate_uniforms(ShaderProgram *p) |
| 444 | { |
| 445 | LocateUniform(uTex0); |
| 446 | LocateUniform(uTex1); |
| 447 | LocateUniform(uNoise); |
| 448 | LocateUniform(uEnvColor); |
| 449 | LocateUniform(uPrimColor); |
| 450 | LocateUniform(uPrimLODFrac); |
| 451 | LocateUniform(uK4); |
| 452 | LocateUniform(uK5); |
| 453 | LocateUniform(uFogColor); |
| 454 | LocateUniform(uEnableFog); |
| 455 | LocateUniform(uRenderState); |
| 456 | LocateUniform(uFogMultiplier); |
| 457 | LocateUniform(uFogOffset); |
| 458 | LocateUniform(uAlphaRef); |
| 459 | LocateUniform(uTexScale); |
| 460 | LocateUniform(uTexOffset[0]); |
| 461 | LocateUniform(uTexOffset[1]); |
| 462 | LocateUniform(uCacheShiftScale[0]); |
| 463 | LocateUniform(uCacheShiftScale[1]); |
| 464 | LocateUniform(uCacheScale[0]); |
| 465 | LocateUniform(uCacheScale[1]); |
| 466 | LocateUniform(uCacheOffset[0]); |
| 467 | LocateUniform(uCacheOffset[1]); |
| 468 | } |
| 469 | |
| 470 | void _force_uniforms() |
| 471 | { |
| 472 | SC_ForceUniform1i(uTex0, 0); |
| 473 | SC_ForceUniform1i(uTex1, 1); |
| 474 | SC_ForceUniform1i(uNoise, 2); |
| 475 | SC_ForceUniform4fv(uEnvColor, &gDP.envColor.r); |
| 476 | SC_ForceUniform4fv(uPrimColor, &gDP.primColor.r); |
| 477 | SC_ForceUniform1f(uPrimLODFrac, gDP.primColor.l); |
| 478 | SC_ForceUniform1f(uK4, gDP.convert.k4); |
| 479 | SC_ForceUniform1f(uK5, gDP.convert.k5); |
| 480 | SC_ForceUniform4fv(uFogColor, &gDP.fogColor.r); |
| 481 | SC_ForceUniform1i(uEnableFog, ((config.enableFog==1) && (gSP.geometryMode & G_FOG))); |
| 482 | SC_ForceUniform1f(uRenderState, OGL.renderState); |
| 483 | SC_ForceUniform1f(uFogMultiplier, (float) gSP.fog.multiplier / 255.0f); |
| 484 | SC_ForceUniform1f(uFogOffset, (float) gSP.fog.offset / 255.0f); |
| 485 | SC_ForceUniform1f(uAlphaRef, (gDP.otherMode.cvgXAlpha) ? 0.5 : gDP.blendColor.a); |
| 486 | SC_ForceUniform2f(uTexScale, gSP.texture.scales, gSP.texture.scalet); |
| 487 | |
| 488 | if (gSP.textureTile[0]){ |
| 489 | SC_ForceUniform2f(uTexOffset[0], gSP.textureTile[0]->fuls, gSP.textureTile[0]->fult); |
| 490 | } else { |
| 491 | SC_ForceUniform2f(uTexOffset[0], 0.0f, 0.0f); |
| 492 | } |
| 493 | |
| 494 | if (gSP.textureTile[1]) |
| 495 | { |
| 496 | SC_ForceUniform2f(uTexOffset[1], gSP.textureTile[1]->fuls, gSP.textureTile[1]->fult); |
| 497 | } |
| 498 | else |
| 499 | { |
| 500 | SC_ForceUniform2f(uTexOffset[1], 0.0f, 0.0f); |
| 501 | } |
| 502 | |
| 503 | if (cache.current[0]) |
| 504 | { |
| 505 | SC_ForceUniform2f(uCacheShiftScale[0], cache.current[0]->shiftScaleS, cache.current[0]->shiftScaleT); |
| 506 | SC_ForceUniform2f(uCacheScale[0], cache.current[0]->scaleS, cache.current[0]->scaleT); |
| 507 | SC_ForceUniform2f(uCacheOffset[0], cache.current[0]->offsetS, cache.current[0]->offsetT); |
| 508 | } |
| 509 | else |
| 510 | { |
| 511 | SC_ForceUniform2f(uCacheShiftScale[0], 1.0f, 1.0f); |
| 512 | SC_ForceUniform2f(uCacheScale[0], 1.0f, 1.0f); |
| 513 | SC_ForceUniform2f(uCacheOffset[0], 0.0f, 0.0f); |
| 514 | } |
| 515 | |
| 516 | if (cache.current[1]) |
| 517 | { |
| 518 | SC_ForceUniform2f(uCacheShiftScale[1], cache.current[1]->shiftScaleS, cache.current[1]->shiftScaleT); |
| 519 | SC_ForceUniform2f(uCacheScale[1], cache.current[1]->scaleS, cache.current[1]->scaleT); |
| 520 | SC_ForceUniform2f(uCacheOffset[1], cache.current[1]->offsetS, cache.current[1]->offsetT); |
| 521 | } |
| 522 | else |
| 523 | { |
| 524 | SC_ForceUniform2f(uCacheShiftScale[1], 1.0f, 1.0f); |
| 525 | SC_ForceUniform2f(uCacheScale[1], 1.0f, 1.0f); |
| 526 | SC_ForceUniform2f(uCacheOffset[1], 0.0f, 0.0f); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | void _update_uniforms() |
| 531 | { |
| 532 | SC_SetUniform4fv(uEnvColor, &gDP.envColor.r); |
| 533 | SC_SetUniform4fv(uPrimColor, &gDP.primColor.r); |
| 534 | SC_SetUniform1f(uPrimLODFrac, gDP.primColor.l); |
| 535 | SC_SetUniform4fv(uFogColor, &gDP.fogColor.r); |
| 536 | SC_SetUniform1i(uEnableFog, (config.enableFog && (gSP.geometryMode & G_FOG))); |
| 537 | SC_SetUniform1f(uRenderState, OGL.renderState); |
| 538 | SC_SetUniform1f(uFogMultiplier, (float) gSP.fog.multiplier / 255.0f); |
| 539 | SC_SetUniform1f(uFogOffset, (float) gSP.fog.offset / 255.0f); |
| 540 | SC_SetUniform1f(uAlphaRef, (gDP.otherMode.cvgXAlpha) ? 0.5 : gDP.blendColor.a); |
| 541 | SC_SetUniform1f(uK4, gDP.convert.k4); |
| 542 | SC_SetUniform1f(uK5, gDP.convert.k5); |
| 543 | |
| 544 | //for some reason i must force these... |
| 545 | SC_ForceUniform2f(uTexScale, gSP.texture.scales, gSP.texture.scalet); |
| 546 | if (scProgramCurrent->usesT0) |
| 547 | { |
| 548 | if (gSP.textureTile[0]) |
| 549 | { |
| 550 | SC_ForceUniform2f(uTexOffset[0], gSP.textureTile[0]->fuls, gSP.textureTile[0]->fult); |
| 551 | } |
| 552 | if (cache.current[0]) |
| 553 | { |
| 554 | SC_ForceUniform2f(uCacheShiftScale[0], cache.current[0]->shiftScaleS, cache.current[0]->shiftScaleT); |
| 555 | SC_ForceUniform2f(uCacheScale[0], cache.current[0]->scaleS, cache.current[0]->scaleT); |
| 556 | SC_ForceUniform2f(uCacheOffset[0], cache.current[0]->offsetS, cache.current[0]->offsetT); |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | if (scProgramCurrent->usesT1) |
| 561 | { |
| 562 | if (gSP.textureTile[1]) |
| 563 | { |
| 564 | SC_ForceUniform2f(uTexOffset[1], gSP.textureTile[1]->fuls, gSP.textureTile[1]->fult); |
| 565 | } |
| 566 | if (cache.current[1]) |
| 567 | { |
| 568 | SC_ForceUniform2f(uCacheShiftScale[1], cache.current[1]->shiftScaleS, cache.current[1]->shiftScaleT); |
| 569 | SC_ForceUniform2f(uCacheScale[1], cache.current[1]->scaleS, cache.current[1]->scaleT); |
| 570 | SC_ForceUniform2f(uCacheOffset[1], cache.current[1]->offsetS, cache.current[1]->offsetT); |
| 571 | } |
| 572 | } |
| 573 | }; |
| 574 | |
| 575 | void ShaderCombiner_Init() |
| 576 | { |
| 577 | //compile vertex shader: |
| 578 | GLint success; |
| 579 | const char *src[1]; |
| 580 | char buff[4096]; |
| 581 | char *str = buff; |
| 582 | |
| 583 | str += sprintf(str, "%s", _vert); |
| 584 | if (config.enableFog) |
| 585 | { |
| 586 | str += sprintf(str, "%s", _vertfog); |
| 587 | } |
| 588 | if (config.zHack) |
| 589 | { |
| 590 | str += sprintf(str, "%s", _vertzhack); |
| 591 | } |
| 592 | |
| 593 | str += sprintf(str, "}\n\n"); |
| 594 | |
| 595 | #ifdef PRINT_SHADER |
| 596 | LOG(LOG_VERBOSE, "=============================================================\n"); |
| 597 | LOG(LOG_VERBOSE, "Vertex Shader:\n"); |
| 598 | LOG(LOG_VERBOSE, "=============================================================\n"); |
| 599 | LOG(LOG_VERBOSE, "%s", buff); |
| 600 | LOG(LOG_VERBOSE, "=============================================================\n"); |
| 601 | #endif |
| 602 | |
| 603 | src[0] = buff; |
| 604 | _vertex_shader = glCreateShader(GL_VERTEX_SHADER); |
| 605 | glShaderSource(_vertex_shader, 1, (const char**) src, NULL); |
| 606 | glCompileShader(_vertex_shader); |
| 607 | glGetShaderiv(_vertex_shader, GL_COMPILE_STATUS, &success); |
| 608 | if (!success) |
| 609 | { |
| 610 | _glcompiler_error(_vertex_shader); |
| 611 | } |
| 612 | |
| 613 | // prepare prog cache |
| 614 | for (int i=0; i<MAX_CACHE; i++) { |
| 615 | prog_cache[i]=NULL; |
| 616 | flag_cache[i]=0; |
| 617 | mux_cache[i]=0; |
| 618 | old_cache[i]=0; |
| 619 | } |
| 620 | cache_turn=0; |
| 621 | }; |
| 622 | |
| 623 | void ShaderCombiner_DeletePrograms(ShaderProgram *prog) |
| 624 | { |
| 625 | if (prog) |
| 626 | { |
| 627 | ShaderCombiner_DeletePrograms(prog->left); |
| 628 | ShaderCombiner_DeletePrograms(prog->right); |
| 629 | glDeleteProgram(prog->program); |
| 630 | //glDeleteShader(prog->fragment); |
| 631 | free(prog); |
| 632 | scProgramCount--; |
| 633 | } |
| 634 | } |
| 635 | |
| 636 | void ShaderCombiner_Destroy() |
| 637 | { |
| 638 | ShaderCombiner_DeletePrograms(scProgramRoot); |
| 639 | glDeleteShader(_vertex_shader); |
| 640 | scProgramCount = scProgramChanged = 0; |
| 641 | scProgramRoot = scProgramCurrent = NULL; |
| 642 | } |
| 643 | |
| 644 | void ShaderCombiner_Set(u64 mux, int flags) |
| 645 | { |
| 646 | //banjo tooie hack |
| 647 | if ((gDP.otherMode.cycleType == G_CYC_1CYCLE) && (mux == 0x00ffe7ffffcf9fcfLL)) |
| 648 | { |
| 649 | mux = EncodeCombineMode( 0, 0, 0, 0, TEXEL0, 0, PRIMITIVE, 0, |
| 650 | 0, 0, 0, 0, TEXEL0, 0, PRIMITIVE, 0 ); |
| 651 | } |
| 652 | |
| 653 | //determine flags |
| 654 | if (flags == -1) |
| 655 | { |
| 656 | flags = 0; |
| 657 | if ((config.enableFog) && (gSP.geometryMode & G_FOG)) |
| 658 | flags |= SC_FOGENABLED; |
| 659 | |
| 660 | if (config.enableAlphaTest) |
| 661 | { |
| 662 | if ((gDP.otherMode.alphaCompare == G_AC_THRESHOLD) && !(gDP.otherMode.alphaCvgSel)){ |
| 663 | flags |= SC_ALPHAENABLED; |
| 664 | if (gDP.blendColor.a > 0.0f) flags |= SC_ALPHAGREATER; |
| 665 | } else if (gDP.otherMode.cvgXAlpha){ |
| 666 | flags |= SC_ALPHAENABLED; |
| 667 | flags |= SC_ALPHAGREATER; |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | if (gDP.otherMode.cycleType == G_CYC_2CYCLE) |
| 672 | flags |= SC_2CYCLE; |
| 673 | } |
| 674 | |
| 675 | |
| 676 | DecodedMux dmux(mux, flags&SC_2CYCLE); |
| 677 | dmux.hack(); |
| 678 | |
| 679 | //if already bound: |
| 680 | if (scProgramCurrent) |
| 681 | { |
| 682 | if (_program_compare(scProgramCurrent, &dmux, flags)) |
| 683 | { |
| 684 | scProgramChanged = 0; |
| 685 | return; |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | //traverse binary tree for cached programs |
| 690 | scProgramChanged = 1; |
| 691 | ShaderProgram *root = scProgramRoot; |
| 692 | ShaderProgram *prog = root; |
| 693 | while(!_program_compare(prog, &dmux, flags)) |
| 694 | { |
| 695 | root = prog; |
| 696 | if (prog->combine.mux < dmux.combine.mux) |
| 697 | prog = prog->right; |
| 698 | else |
| 699 | prog = prog->left; |
| 700 | } |
| 701 | |
| 702 | //build new program |
| 703 | if (!prog) |
| 704 | { |
| 705 | scProgramCount++; |
| 706 | prog = ShaderCombiner_Compile(&dmux, flags); |
| 707 | if (!root) |
| 708 | scProgramRoot = prog; |
| 709 | else if (root->combine.mux < dmux.combine.mux) |
| 710 | root->right = prog; |
| 711 | else |
| 712 | root->left = prog; |
| 713 | |
| 714 | } |
| 715 | |
| 716 | prog->lastUsed = OGL.frame_dl; |
| 717 | scProgramCurrent = prog; |
| 718 | glUseProgram(prog->program); |
| 719 | _force_uniforms(); |
| 720 | } |
| 721 | |
| 722 | ShaderProgram *ShaderCombiner_Compile(DecodedMux *dmux, int flags) |
| 723 | { |
| 724 | GLint success; |
| 725 | char frag[4096]; |
| 726 | char *buffer = frag; |
| 727 | ShaderProgram *prog = (ShaderProgram*) malloc(sizeof(ShaderProgram)); |
| 728 | |
| 729 | prog->left = prog->right = NULL; |
| 730 | prog->usesT0 = prog->usesT1 = prog->usesCol = prog->usesNoise = 0; |
| 731 | prog->combine = dmux->combine; |
| 732 | prog->flags = flags; |
| 733 | prog->vertex = _vertex_shader; |
| 734 | |
| 735 | for(int i=0; i < ((flags & SC_2CYCLE) ? 4 : 2); i++) |
| 736 | { |
| 737 | //make sure were not ignoring cycle: |
| 738 | if ((dmux->flags&(1<<i)) == 0) |
| 739 | { |
| 740 | for(int j=0;j<4;j++) |
| 741 | { |
| 742 | prog->usesT0 |= (dmux->decode[i][j] == TEXEL0 || dmux->decode[i][j] == TEXEL0_ALPHA); |
| 743 | prog->usesT1 |= (dmux->decode[i][j] == TEXEL1 || dmux->decode[i][j] == TEXEL1_ALPHA); |
| 744 | prog->usesCol |= (dmux->decode[i][j] == SHADE || dmux->decode[i][j] == SHADE_ALPHA); |
| 745 | prog->usesNoise |= (dmux->decode[i][j] == NOISE); |
| 746 | } |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | buffer += sprintf(buffer, "%s", _frag_header); |
| 751 | if (prog->usesT0) |
| 752 | buffer += sprintf(buffer, "lowp vec4 lTex0 = texture2D(uTex0, vTexCoord0); \n"); |
| 753 | if (prog->usesT1) |
| 754 | buffer += sprintf(buffer, "lowp vec4 lTex1 = texture2D(uTex1, vTexCoord1); \n"); |
| 755 | if (prog->usesNoise) |
| 756 | buffer += sprintf(buffer, "lowp vec4 lNoise = texture2D(uNoise, (1.0 / 1024.0) * gl_FragCoord.st); \n"); |
| 757 | |
| 758 | for(int i = 0; i < ((flags & SC_2CYCLE) ? 2 : 1); i++) |
| 759 | { |
| 760 | if ((dmux->flags&(1<<(i*2))) == 0) |
| 761 | { |
| 762 | buffer += sprintf(buffer, "lFragColor.rgb = (%s - %s) * %s + %s; \n", |
| 763 | _color_param_str(dmux->decode[i*2][0]), |
| 764 | _color_param_str(dmux->decode[i*2][1]), |
| 765 | _color_param_str(dmux->decode[i*2][2]), |
| 766 | _color_param_str(dmux->decode[i*2][3]) |
| 767 | ); |
| 768 | } |
| 769 | |
| 770 | if ((dmux->flags&(1<<(i*2+1))) == 0) |
| 771 | { |
| 772 | buffer += sprintf(buffer, "lFragColor.a = (%s - %s) * %s + %s; \n", |
| 773 | _alpha_param_str(dmux->decode[i*2+1][0]), |
| 774 | _alpha_param_str(dmux->decode[i*2+1][1]), |
| 775 | _alpha_param_str(dmux->decode[i*2+1][2]), |
| 776 | _alpha_param_str(dmux->decode[i*2+1][3]) |
| 777 | ); |
| 778 | } |
| 779 | buffer += sprintf(buffer, "gl_FragColor = lFragColor; \n"); |
| 780 | }; |
| 781 | |
| 782 | //fog |
| 783 | if (flags&SC_FOGENABLED) |
| 784 | { |
| 785 | buffer += sprintf(buffer, "gl_FragColor = mix(gl_FragColor, uFogColor, vFactor); \n"); |
| 786 | } |
| 787 | |
| 788 | //alpha function |
| 789 | if (flags&SC_ALPHAENABLED) |
| 790 | { |
| 791 | if (flags&SC_ALPHAGREATER) |
| 792 | buffer += sprintf(buffer, "if (gl_FragColor.a < uAlphaRef) %s;\n", config.hackAlpha ? "gl_FragColor.a = 0" : "discard"); |
| 793 | else |
| 794 | buffer += sprintf(buffer, "if (gl_FragColor.a <= uAlphaRef) %s;\n", config.hackAlpha ? "gl_FragColor.a = 0" : "discard"); |
| 795 | } |
| 796 | buffer += sprintf(buffer, "} \n\n"); |
| 797 | *buffer = 0; |
| 798 | |
| 799 | #ifdef PRINT_SHADER |
| 800 | LOG(LOG_VERBOSE, "=============================================================\n"); |
| 801 | LOG(LOG_VERBOSE, "Combine=0x%llx flags=0x%x dmux flags=0x%x\n", prog->combine.mux, flags, dmux->flags); |
| 802 | LOG(LOG_VERBOSE, "Num=%i \t usesT0=%i usesT1=%i usesCol=%i usesNoise=%i\n", scProgramCount, prog->usesT0, prog->usesT1, prog->usesCol, prog->usesNoise); |
| 803 | LOG(LOG_VERBOSE, "=============================================================\n"); |
| 804 | LOG(LOG_VERBOSE, "%s", frag); |
| 805 | LOG(LOG_VERBOSE, "=============================================================\n"); |
| 806 | #endif |
| 807 | |
| 808 | prog->program = glCreateProgram(); |
| 809 | |
| 810 | //Compile: |
| 811 | char *src[1]; |
| 812 | src[0] = frag; |
| 813 | GLint len[1]; |
| 814 | len[0] = min(4096, strlen(frag)); |
| 815 | prog->fragment = glCreateShader(GL_FRAGMENT_SHADER); |
| 816 | |
| 817 | glShaderSource(prog->fragment, 1, (const char**) src, len); |
| 818 | glCompileShader(prog->fragment); |
| 819 | |
| 820 | |
| 821 | glGetShaderiv(prog->fragment, GL_COMPILE_STATUS, &success); |
| 822 | if (!success) |
| 823 | { |
| 824 | _glcompiler_error(prog->fragment); |
| 825 | } |
| 826 | |
| 827 | //link |
| 828 | _locate_attributes(prog); |
| 829 | glAttachShader(prog->program, prog->fragment); |
| 830 | glAttachShader(prog->program, prog->vertex); |
| 831 | glLinkProgram(prog->program); |
| 832 | glGetProgramiv(prog->program, GL_LINK_STATUS, &success); |
| 833 | if (!success) |
| 834 | { |
| 835 | _gllinker_error(prog->program); |
| 836 | } |
| 837 | |
| 838 | //remove fragment shader: |
| 839 | glDeleteShader(prog->fragment); |
| 840 | |
| 841 | _locate_uniforms(prog); |
| 842 | return prog; |
| 843 | } |
| 844 | |