Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 1 | #include "precompiled.h" |
| 2 | // |
| 3 | // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. |
| 4 | // Use of this source code is governed by a BSD-style license that can be |
| 5 | // found in the LICENSE file. |
| 6 | // |
| 7 | |
| 8 | // validationES3.cpp: Validation functions for OpenGL ES 3.0 entry point parameters |
| 9 | |
| 10 | #include "libGLESv2/validationES3.h" |
| 11 | #include "libGLESv2/Context.h" |
| 12 | #include "libGLESv2/Texture.h" |
| 13 | #include "libGLESv2/Framebuffer.h" |
| 14 | #include "libGLESv2/Renderbuffer.h" |
| 15 | #include "libGLESv2/formatutils.h" |
| 16 | #include "libGLESv2/main.h" |
| 17 | |
| 18 | #include "common/mathutil.h" |
| 19 | |
| 20 | namespace gl |
| 21 | { |
| 22 | |
| 23 | static bool validImageSize(const gl::Context *context, GLint level, GLsizei width, GLsizei height, GLsizei depth) |
| 24 | { |
| 25 | if (level < 0 || width < 0 || height < 0 || depth < 0) |
| 26 | { |
| 27 | return false; |
| 28 | } |
| 29 | |
| 30 | if (context->supportsNonPower2Texture()) |
| 31 | { |
| 32 | return true; |
| 33 | } |
| 34 | |
| 35 | if (level == 0) |
| 36 | { |
| 37 | return true; |
| 38 | } |
| 39 | |
| 40 | if (gl::isPow2(width) && gl::isPow2(height) && gl::isPow2(depth)) |
| 41 | { |
| 42 | return true; |
| 43 | } |
| 44 | |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | static bool validCompressedImageSize(GLsizei width, GLsizei height) |
| 49 | { |
| 50 | if (width != 1 && width != 2 && width % 4 != 0) |
| 51 | { |
| 52 | return false; |
| 53 | } |
| 54 | |
| 55 | if (height != 1 && height != 2 && height % 4 != 0) |
| 56 | { |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | return true; |
| 61 | } |
| 62 | |
Geoff Lang | 34dbb6f | 2013-08-05 15:05:47 -0400 | [diff] [blame^] | 63 | bool ValidateES3TexImageParameters(gl::Context *context, GLenum target, GLint level, GLint internalformat, bool isCompressed, bool isSubImage, |
Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 64 | GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, |
| 65 | GLint border, GLenum format, GLenum type) |
| 66 | { |
| 67 | // Validate image size |
| 68 | if (!validImageSize(context, level, width, height, depth)) |
| 69 | { |
| 70 | return gl::error(GL_INVALID_VALUE, false); |
| 71 | } |
| 72 | |
| 73 | if (isCompressed && !validCompressedImageSize(width, height)) |
| 74 | { |
| 75 | return gl::error(GL_INVALID_OPERATION, false); |
| 76 | } |
| 77 | |
| 78 | // Verify zero border |
| 79 | if (border != 0) |
| 80 | { |
| 81 | return gl::error(GL_INVALID_VALUE, false); |
| 82 | } |
| 83 | |
| 84 | // Validate dimensions based on Context limits and validate the texture |
| 85 | if (level > context->getMaximumTextureLevel()) |
| 86 | { |
| 87 | return gl::error(GL_INVALID_VALUE, false); |
| 88 | } |
| 89 | |
| 90 | gl::Texture *texture = NULL; |
| 91 | bool textureCompressed = false; |
| 92 | GLenum textureInternalFormat = GL_NONE; |
| 93 | GLint textureLevelWidth = 0; |
| 94 | GLint textureLevelHeight = 0; |
| 95 | GLint textureLevelDepth = 0; |
| 96 | switch (target) |
| 97 | { |
| 98 | case GL_TEXTURE_2D: |
| 99 | { |
| 100 | if (width > (context->getMaximum2DTextureDimension() >> level) || |
| 101 | height > (context->getMaximum2DTextureDimension() >> level)) |
| 102 | { |
| 103 | return gl::error(GL_INVALID_VALUE, false); |
| 104 | } |
| 105 | |
| 106 | gl::Texture2D *texture2d = context->getTexture2D(); |
| 107 | if (texture2d) |
| 108 | { |
| 109 | textureCompressed = texture2d->isCompressed(level); |
| 110 | textureInternalFormat = texture2d->getInternalFormat(level); |
| 111 | textureLevelWidth = texture2d->getWidth(level); |
| 112 | textureLevelHeight = texture2d->getHeight(level); |
| 113 | textureLevelDepth = 1; |
| 114 | texture = texture2d; |
| 115 | } |
| 116 | } |
| 117 | break; |
| 118 | |
| 119 | case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| 120 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| 121 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| 122 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| 123 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| 124 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| 125 | { |
| 126 | if (!isSubImage && width != height) |
| 127 | { |
| 128 | return gl::error(GL_INVALID_VALUE, false); |
| 129 | } |
| 130 | |
| 131 | if (width > (context->getMaximumCubeTextureDimension() >> level)) |
| 132 | { |
| 133 | return gl::error(GL_INVALID_VALUE, false); |
| 134 | } |
| 135 | |
| 136 | gl::TextureCubeMap *textureCube = context->getTextureCubeMap(); |
| 137 | if (textureCube) |
| 138 | { |
| 139 | textureCompressed = textureCube->isCompressed(target, level); |
| 140 | textureInternalFormat = textureCube->getInternalFormat(target, level); |
| 141 | textureLevelWidth = textureCube->getWidth(target, level); |
| 142 | textureLevelHeight = textureCube->getHeight(target, level); |
| 143 | textureLevelDepth = 1; |
| 144 | texture = textureCube; |
| 145 | } |
| 146 | } |
| 147 | break; |
| 148 | |
| 149 | case GL_TEXTURE_3D: |
| 150 | { |
| 151 | if (width > (context->getMaximum3DTextureDimension() >> level) || |
| 152 | height > (context->getMaximum3DTextureDimension() >> level) || |
| 153 | depth > (context->getMaximum3DTextureDimension() >> level)) |
| 154 | { |
| 155 | return gl::error(GL_INVALID_VALUE, false); |
| 156 | } |
| 157 | |
| 158 | gl::Texture3D *texture3d = context->getTexture3D(); |
| 159 | if (texture3d) |
| 160 | { |
| 161 | textureCompressed = texture3d->isCompressed(level); |
| 162 | textureInternalFormat = texture3d->getInternalFormat(level); |
| 163 | textureLevelWidth = texture3d->getWidth(level); |
| 164 | textureLevelHeight = texture3d->getHeight(level); |
| 165 | textureLevelDepth = texture3d->getDepth(level); |
| 166 | texture = texture3d; |
| 167 | } |
| 168 | } |
| 169 | break; |
| 170 | |
| 171 | case GL_TEXTURE_2D_ARRAY: |
| 172 | { |
| 173 | if (width > (context->getMaximum2DTextureDimension() >> level) || |
| 174 | height > (context->getMaximum2DTextureDimension() >> level) || |
| 175 | depth > (context->getMaximum2DArrayTextureLayers() >> level)) |
| 176 | { |
| 177 | return gl::error(GL_INVALID_VALUE, false); |
| 178 | } |
| 179 | |
| 180 | gl::Texture2DArray *texture2darray = context->getTexture2DArray(); |
| 181 | if (texture2darray) |
| 182 | { |
| 183 | textureCompressed = texture2darray->isCompressed(level); |
| 184 | textureInternalFormat = texture2darray->getInternalFormat(level); |
| 185 | textureLevelWidth = texture2darray->getWidth(level); |
| 186 | textureLevelHeight = texture2darray->getHeight(level); |
| 187 | textureLevelDepth = texture2darray->getDepth(level); |
| 188 | texture = texture2darray; |
| 189 | } |
| 190 | } |
| 191 | break; |
| 192 | |
| 193 | default: |
| 194 | return gl::error(GL_INVALID_ENUM, false); |
| 195 | } |
| 196 | |
| 197 | if (!texture) |
| 198 | { |
| 199 | return gl::error(GL_INVALID_OPERATION, false); |
| 200 | } |
| 201 | |
| 202 | if (texture->isImmutable() && !isSubImage) |
| 203 | { |
| 204 | return gl::error(GL_INVALID_OPERATION, false); |
| 205 | } |
| 206 | |
| 207 | // Validate texture formats |
| 208 | GLenum actualInternalFormat = isSubImage ? textureInternalFormat : internalformat; |
| 209 | if (isCompressed) |
| 210 | { |
| 211 | if (!gl::IsFormatCompressed(actualInternalFormat, context->getClientVersion())) |
| 212 | { |
| 213 | return gl::error(GL_INVALID_ENUM, false); |
| 214 | } |
| 215 | |
| 216 | if (target == GL_TEXTURE_3D) |
| 217 | { |
| 218 | return gl::error(GL_INVALID_OPERATION, false); |
| 219 | } |
| 220 | } |
| 221 | else |
| 222 | { |
| 223 | if (!gl::IsValidInternalFormat(actualInternalFormat, context) || |
| 224 | !gl::IsValidFormat(format, context->getClientVersion()) || |
| 225 | !gl::IsValidType(type, context->getClientVersion())) |
| 226 | { |
| 227 | return gl::error(GL_INVALID_ENUM, false); |
| 228 | } |
| 229 | |
| 230 | if (!gl::IsValidFormatCombination(actualInternalFormat, format, type, context->getClientVersion())) |
| 231 | { |
| 232 | return gl::error(GL_INVALID_OPERATION, false); |
| 233 | } |
| 234 | |
| 235 | if (target == GL_TEXTURE_3D && (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)) |
| 236 | { |
| 237 | return gl::error(GL_INVALID_OPERATION, false); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | // Validate sub image parameters |
| 242 | if (isSubImage) |
| 243 | { |
| 244 | if (isCompressed != textureCompressed) |
| 245 | { |
| 246 | return gl::error(GL_INVALID_OPERATION, false); |
| 247 | } |
| 248 | |
| 249 | if (format != GL_NONE) |
| 250 | { |
| 251 | GLenum internalformat = gl::GetSizedInternalFormat(format, type, context->getClientVersion()); |
| 252 | if (internalformat != textureInternalFormat) |
| 253 | { |
| 254 | return gl::error(GL_INVALID_OPERATION, false); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | if (isCompressed) |
| 259 | { |
| 260 | if ((width % 4 != 0 && width != textureLevelWidth) || |
| 261 | (height % 4 != 0 && height != textureLevelHeight)) |
| 262 | { |
| 263 | return gl::error(GL_INVALID_OPERATION, false); |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | if (width == 0 || height == 0 || depth == 0) |
| 268 | { |
| 269 | return false; |
| 270 | } |
| 271 | |
| 272 | if (xoffset < 0 || yoffset < 0 || zoffset < 0) |
| 273 | { |
| 274 | return gl::error(GL_INVALID_VALUE, false); |
| 275 | } |
| 276 | |
| 277 | if (std::numeric_limits<GLsizei>::max() - xoffset < width || |
| 278 | std::numeric_limits<GLsizei>::max() - yoffset < height || |
| 279 | std::numeric_limits<GLsizei>::max() - zoffset < depth) |
| 280 | { |
| 281 | return gl::error(GL_INVALID_VALUE, false); |
| 282 | } |
| 283 | |
| 284 | if (xoffset + width > textureLevelWidth || |
| 285 | yoffset + height > textureLevelHeight || |
| 286 | zoffset + depth > textureLevelDepth) |
| 287 | { |
| 288 | return gl::error(GL_INVALID_VALUE, false); |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | return true; |
| 293 | } |
| 294 | |
Geoff Lang | 34dbb6f | 2013-08-05 15:05:47 -0400 | [diff] [blame^] | 295 | bool ValidateES3CopyTexImageParameters(gl::Context *context, GLenum target, GLint level, GLenum internalformat, |
Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 296 | bool isSubImage, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, |
| 297 | GLsizei width, GLsizei height, GLint border) |
| 298 | { |
| 299 | if (level < 0 || xoffset < 0 || yoffset < 0 || zoffset < 0 || width < 0 || height < 0) |
| 300 | { |
| 301 | return gl::error(GL_INVALID_VALUE, false); |
| 302 | } |
| 303 | |
| 304 | if (std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height) |
| 305 | { |
| 306 | return gl::error(GL_INVALID_VALUE, false); |
| 307 | } |
| 308 | |
| 309 | if (width == 0 || height == 0) |
| 310 | { |
| 311 | return false; |
| 312 | } |
| 313 | |
| 314 | if (border != 0) |
| 315 | { |
| 316 | return gl::error(GL_INVALID_VALUE, false); |
| 317 | } |
| 318 | |
| 319 | if (level > context->getMaximumTextureLevel()) |
| 320 | { |
| 321 | return gl::error(GL_INVALID_VALUE, false); |
| 322 | } |
| 323 | |
| 324 | gl::Framebuffer *framebuffer = context->getReadFramebuffer(); |
| 325 | |
| 326 | if (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE) |
| 327 | { |
| 328 | return gl::error(GL_INVALID_FRAMEBUFFER_OPERATION, false); |
| 329 | } |
| 330 | |
| 331 | if (context->getReadFramebufferHandle() != 0 && framebuffer->getSamples() != 0) |
| 332 | { |
| 333 | return gl::error(GL_INVALID_OPERATION, false); |
| 334 | } |
| 335 | |
| 336 | gl::Renderbuffer *source = framebuffer->getReadColorbuffer(); |
| 337 | GLenum colorbufferInternalFormat = source->getInternalFormat(); |
| 338 | gl::Texture *texture = NULL; |
| 339 | GLenum textureInternalFormat = GL_NONE; |
| 340 | bool textureCompressed = false; |
| 341 | bool textureIsDepth = false; |
| 342 | GLint textureLevelWidth = 0; |
| 343 | GLint textureLevelHeight = 0; |
| 344 | GLint textureLevelDepth = 0; |
| 345 | switch (target) |
| 346 | { |
| 347 | case GL_TEXTURE_2D: |
| 348 | { |
| 349 | gl::Texture2D *texture2d = context->getTexture2D(); |
| 350 | if (texture2d) |
| 351 | { |
| 352 | textureInternalFormat = texture2d->getInternalFormat(level); |
| 353 | textureCompressed = texture2d->isCompressed(level); |
| 354 | textureIsDepth = texture2d->isDepth(level); |
| 355 | textureLevelWidth = texture2d->getWidth(level); |
| 356 | textureLevelHeight = texture2d->getHeight(level); |
| 357 | textureLevelDepth = 1; |
| 358 | texture = texture2d; |
| 359 | } |
| 360 | } |
| 361 | break; |
| 362 | |
| 363 | case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| 364 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| 365 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| 366 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| 367 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| 368 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| 369 | { |
| 370 | gl::TextureCubeMap *textureCube = context->getTextureCubeMap(); |
| 371 | if (textureCube) |
| 372 | { |
| 373 | textureInternalFormat = textureCube->getInternalFormat(target, level); |
| 374 | textureCompressed = textureCube->isCompressed(target, level); |
| 375 | textureIsDepth = false; |
| 376 | textureLevelWidth = textureCube->getWidth(target, level); |
| 377 | textureLevelHeight = textureCube->getHeight(target, level); |
| 378 | textureLevelDepth = 1; |
| 379 | texture = textureCube; |
| 380 | } |
| 381 | } |
| 382 | break; |
| 383 | |
| 384 | case GL_TEXTURE_2D_ARRAY: |
| 385 | { |
| 386 | gl::Texture2DArray *texture2dArray = context->getTexture2DArray(); |
| 387 | if (texture2dArray) |
| 388 | { |
| 389 | textureInternalFormat = texture2dArray->getInternalFormat(level); |
| 390 | textureCompressed = texture2dArray->isCompressed(level); |
| 391 | textureIsDepth = texture2dArray->isDepth(level); |
| 392 | textureLevelWidth = texture2dArray->getWidth(level); |
| 393 | textureLevelHeight = texture2dArray->getHeight(level); |
| 394 | textureLevelDepth = texture2dArray->getDepth(level); |
| 395 | texture = texture2dArray; |
| 396 | } |
| 397 | } |
| 398 | break; |
| 399 | |
| 400 | case GL_TEXTURE_3D: |
| 401 | { |
| 402 | gl::Texture3D *texture3d = context->getTexture3D(); |
| 403 | if (texture3d) |
| 404 | { |
| 405 | textureInternalFormat = texture3d->getInternalFormat(level); |
| 406 | textureCompressed = texture3d->isCompressed(level); |
| 407 | textureIsDepth = texture3d->isDepth(level); |
| 408 | textureLevelWidth = texture3d->getWidth(level); |
| 409 | textureLevelHeight = texture3d->getHeight(level); |
| 410 | textureLevelDepth = texture3d->getDepth(level); |
| 411 | texture = texture3d; |
| 412 | } |
| 413 | } |
| 414 | break; |
| 415 | |
| 416 | default: |
| 417 | return gl::error(GL_INVALID_ENUM, false); |
| 418 | } |
| 419 | |
| 420 | if (!texture) |
| 421 | { |
| 422 | return gl::error(GL_INVALID_OPERATION, false); |
| 423 | } |
| 424 | |
| 425 | if (texture->isImmutable() && !isSubImage) |
| 426 | { |
| 427 | return gl::error(GL_INVALID_OPERATION, false); |
| 428 | } |
| 429 | |
| 430 | if (textureIsDepth) |
| 431 | { |
| 432 | return gl::error(GL_INVALID_OPERATION, false); |
| 433 | } |
| 434 | |
| 435 | if (textureCompressed) |
| 436 | { |
| 437 | if ((width % 4 != 0 && width != textureLevelWidth) || |
| 438 | (height % 4 != 0 && height != textureLevelHeight)) |
| 439 | { |
| 440 | return gl::error(GL_INVALID_OPERATION, false); |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | if (isSubImage) |
| 445 | { |
| 446 | if (xoffset + width > textureLevelWidth || |
| 447 | yoffset + height > textureLevelHeight || |
| 448 | zoffset >= textureLevelDepth) |
| 449 | { |
| 450 | return gl::error(GL_INVALID_VALUE, false); |
| 451 | } |
| 452 | |
| 453 | if (!gl::IsValidCopyTexImageCombination(textureInternalFormat, colorbufferInternalFormat, |
| 454 | context->getClientVersion())) |
| 455 | { |
| 456 | return gl::error(GL_INVALID_OPERATION, false); |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | return true; |
| 461 | } |
| 462 | |
Geoff Lang | 34dbb6f | 2013-08-05 15:05:47 -0400 | [diff] [blame^] | 463 | bool ValidateES3TexStorageParameters(gl::Context *context, GLenum target, GLsizei levels, GLenum internalformat, |
Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 464 | GLsizei width, GLsizei height, GLsizei depth) |
| 465 | { |
| 466 | if (width < 1 || height < 1 || depth < 1 || levels < 1) |
| 467 | { |
| 468 | return gl::error(GL_INVALID_VALUE, false); |
| 469 | } |
| 470 | |
| 471 | if (levels > gl::log2(std::max(std::max(width, height), depth)) + 1) |
| 472 | { |
| 473 | return gl::error(GL_INVALID_OPERATION, false); |
| 474 | } |
| 475 | |
| 476 | gl::Texture *texture = NULL; |
| 477 | switch (target) |
| 478 | { |
| 479 | case GL_TEXTURE_2D: |
| 480 | { |
| 481 | texture = context->getTexture2D(); |
| 482 | |
| 483 | if (width > (context->getMaximum2DTextureDimension()) || |
| 484 | height > (context->getMaximum2DTextureDimension())) |
| 485 | { |
| 486 | return gl::error(GL_INVALID_VALUE, false); |
| 487 | } |
| 488 | } |
| 489 | break; |
| 490 | |
| 491 | case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| 492 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| 493 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| 494 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| 495 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| 496 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| 497 | { |
| 498 | texture = context->getTextureCubeMap(); |
| 499 | |
| 500 | if (width != height) |
| 501 | { |
| 502 | return gl::error(GL_INVALID_VALUE, false); |
| 503 | } |
| 504 | |
| 505 | if (width > (context->getMaximumCubeTextureDimension())) |
| 506 | { |
| 507 | return gl::error(GL_INVALID_VALUE, false); |
| 508 | } |
| 509 | } |
| 510 | break; |
| 511 | |
| 512 | case GL_TEXTURE_3D: |
| 513 | { |
| 514 | texture = context->getTexture3D(); |
| 515 | |
| 516 | if (width > (context->getMaximum3DTextureDimension()) || |
| 517 | height > (context->getMaximum3DTextureDimension()) || |
| 518 | depth > (context->getMaximum3DTextureDimension())) |
| 519 | { |
| 520 | return gl::error(GL_INVALID_VALUE, false); |
| 521 | } |
| 522 | } |
| 523 | break; |
| 524 | |
| 525 | case GL_TEXTURE_2D_ARRAY: |
| 526 | { |
| 527 | texture = context->getTexture2DArray(); |
| 528 | |
| 529 | if (width > (context->getMaximum2DTextureDimension()) || |
| 530 | height > (context->getMaximum2DTextureDimension()) || |
| 531 | depth > (context->getMaximum2DArrayTextureLayers())) |
| 532 | { |
| 533 | return gl::error(GL_INVALID_VALUE, false); |
| 534 | } |
| 535 | } |
| 536 | break; |
| 537 | |
| 538 | default: |
| 539 | return gl::error(GL_INVALID_ENUM, false); |
| 540 | } |
| 541 | |
| 542 | if (!texture || texture->id() == 0) |
| 543 | { |
| 544 | return gl::error(GL_INVALID_OPERATION, false); |
| 545 | } |
| 546 | |
| 547 | if (texture->isImmutable()) |
| 548 | { |
| 549 | return gl::error(GL_INVALID_OPERATION, false); |
| 550 | } |
| 551 | |
| 552 | if (!gl::IsValidInternalFormat(internalformat, context)) |
| 553 | { |
| 554 | return gl::error(GL_INVALID_ENUM, false); |
| 555 | } |
| 556 | |
| 557 | if (!gl::IsSizedInternalFormat(internalformat, context->getClientVersion())) |
| 558 | { |
| 559 | return gl::error(GL_INVALID_ENUM, false); |
| 560 | } |
| 561 | |
| 562 | return true; |
| 563 | } |
| 564 | |
Geoff Lang | 34dbb6f | 2013-08-05 15:05:47 -0400 | [diff] [blame^] | 565 | bool ValidateES3FramebufferTextureParameters(gl::Context *context, GLenum target, GLenum attachment, |
Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 566 | GLenum textarget, GLuint texture, GLint level, GLint layer, |
| 567 | bool layerCall) |
| 568 | { |
| 569 | if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER && target != GL_READ_FRAMEBUFFER) |
| 570 | { |
| 571 | return gl::error(GL_INVALID_ENUM, false); |
| 572 | } |
| 573 | |
| 574 | if (attachment >= GL_COLOR_ATTACHMENT0 && attachment <= GL_COLOR_ATTACHMENT15) |
| 575 | { |
| 576 | const unsigned int colorAttachment = (attachment - GL_COLOR_ATTACHMENT0); |
| 577 | if (colorAttachment >= context->getMaximumRenderTargets()) |
| 578 | { |
| 579 | return gl::error(GL_INVALID_VALUE, false); |
| 580 | } |
| 581 | } |
| 582 | else |
| 583 | { |
| 584 | switch (attachment) |
| 585 | { |
| 586 | case GL_DEPTH_ATTACHMENT: |
| 587 | case GL_STENCIL_ATTACHMENT: |
| 588 | case GL_DEPTH_STENCIL_ATTACHMENT: |
| 589 | break; |
| 590 | default: |
| 591 | return gl::error(GL_INVALID_ENUM, false); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | if (texture != 0) |
| 596 | { |
| 597 | gl::Texture *tex = context->getTexture(texture); |
| 598 | |
| 599 | if (tex == NULL) |
| 600 | { |
| 601 | return gl::error(GL_INVALID_OPERATION, false); |
| 602 | } |
| 603 | |
| 604 | if (level < 0) |
| 605 | { |
| 606 | return gl::error(GL_INVALID_VALUE, false); |
| 607 | } |
| 608 | |
| 609 | if (layer < 0) |
| 610 | { |
| 611 | return gl::error(GL_INVALID_VALUE, false); |
| 612 | } |
| 613 | |
| 614 | if (!layerCall) |
| 615 | { |
| 616 | switch (textarget) |
| 617 | { |
| 618 | case GL_TEXTURE_2D: |
| 619 | { |
| 620 | if (level > gl::log2(context->getMaximum2DTextureDimension())) |
| 621 | { |
| 622 | return gl::error(GL_INVALID_VALUE, false); |
| 623 | } |
| 624 | if (tex->getTarget() != GL_TEXTURE_2D) |
| 625 | { |
| 626 | return gl::error(GL_INVALID_OPERATION, false); |
| 627 | } |
| 628 | gl::Texture2D *tex2d = static_cast<gl::Texture2D *>(tex); |
| 629 | if (tex2d->isCompressed(level)) |
| 630 | { |
| 631 | return gl::error(GL_INVALID_OPERATION, false); |
| 632 | } |
| 633 | break; |
| 634 | } |
| 635 | |
| 636 | case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| 637 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| 638 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| 639 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| 640 | case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| 641 | case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| 642 | { |
| 643 | if (level > gl::log2(context->getMaximumCubeTextureDimension())) |
| 644 | { |
| 645 | return gl::error(GL_INVALID_VALUE, false); |
| 646 | } |
| 647 | if (tex->getTarget() != GL_TEXTURE_CUBE_MAP) |
| 648 | { |
| 649 | return gl::error(GL_INVALID_OPERATION, false); |
| 650 | } |
| 651 | gl::TextureCubeMap *texcube = static_cast<gl::TextureCubeMap *>(tex); |
| 652 | if (texcube->isCompressed(textarget, level)) |
| 653 | { |
| 654 | return gl::error(GL_INVALID_OPERATION, false); |
| 655 | } |
| 656 | break; |
| 657 | } |
| 658 | |
| 659 | default: |
| 660 | return gl::error(GL_INVALID_ENUM, false); |
| 661 | } |
| 662 | } |
| 663 | else |
| 664 | { |
| 665 | switch (tex->getTarget()) |
| 666 | { |
| 667 | case GL_TEXTURE_2D_ARRAY: |
| 668 | { |
| 669 | if (level > gl::log2(context->getMaximum2DTextureDimension())) |
| 670 | { |
| 671 | return gl::error(GL_INVALID_VALUE, false); |
| 672 | } |
| 673 | |
| 674 | if (layer >= context->getMaximum2DArrayTextureLayers()) |
| 675 | { |
| 676 | return gl::error(GL_INVALID_VALUE, false); |
| 677 | } |
| 678 | |
| 679 | gl::Texture2DArray *texArray = static_cast<gl::Texture2DArray *>(tex); |
| 680 | if (texArray->isCompressed(level)) |
| 681 | { |
| 682 | return gl::error(GL_INVALID_OPERATION, false); |
| 683 | } |
| 684 | |
| 685 | break; |
| 686 | } |
| 687 | |
| 688 | case GL_TEXTURE_3D: |
| 689 | { |
| 690 | if (level > gl::log2(context->getMaximum3DTextureDimension())) |
| 691 | { |
| 692 | return gl::error(GL_INVALID_VALUE, false); |
| 693 | } |
| 694 | |
| 695 | if (layer >= context->getMaximum3DTextureDimension()) |
| 696 | { |
| 697 | return gl::error(GL_INVALID_VALUE, false); |
| 698 | } |
| 699 | |
| 700 | gl::Texture3D *tex3d = static_cast<gl::Texture3D *>(tex); |
| 701 | if (tex3d->isCompressed(level)) |
| 702 | { |
| 703 | return gl::error(GL_INVALID_OPERATION, false); |
| 704 | } |
| 705 | |
| 706 | break; |
| 707 | } |
| 708 | |
| 709 | default: |
| 710 | return gl::error(GL_INVALID_OPERATION, false); |
| 711 | } |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | gl::Framebuffer *framebuffer = NULL; |
| 716 | GLuint framebufferHandle = 0; |
| 717 | if (target == GL_READ_FRAMEBUFFER) |
| 718 | { |
| 719 | framebuffer = context->getReadFramebuffer(); |
| 720 | framebufferHandle = context->getReadFramebufferHandle(); |
| 721 | } |
| 722 | else |
| 723 | { |
| 724 | framebuffer = context->getDrawFramebuffer(); |
| 725 | framebufferHandle = context->getDrawFramebufferHandle(); |
| 726 | } |
| 727 | |
| 728 | if (framebufferHandle == 0 || !framebuffer) |
| 729 | { |
| 730 | return gl::error(GL_INVALID_OPERATION, false); |
| 731 | } |
| 732 | |
| 733 | return true; |
| 734 | } |
| 735 | |
Geoff Lang | 34dbb6f | 2013-08-05 15:05:47 -0400 | [diff] [blame^] | 736 | bool ValidES3ReadFormatType(GLenum internalFormat, GLenum format, GLenum type) |
Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 737 | { |
| 738 | switch (format) |
| 739 | { |
| 740 | case GL_RGBA: |
| 741 | switch (type) |
| 742 | { |
| 743 | case GL_UNSIGNED_BYTE: |
| 744 | break; |
| 745 | case GL_UNSIGNED_INT_2_10_10_10_REV: |
| 746 | if (internalFormat != GL_RGB10_A2) |
| 747 | { |
| 748 | return false; |
| 749 | } |
| 750 | break; |
| 751 | default: |
| 752 | return false; |
| 753 | } |
| 754 | break; |
| 755 | case GL_RGBA_INTEGER: |
| 756 | switch (type) |
| 757 | { |
| 758 | case GL_INT: |
| 759 | if (!gl::IsSignedIntegerFormat(internalFormat, 3)) |
| 760 | { |
| 761 | return false; |
| 762 | } |
| 763 | break; |
| 764 | case GL_UNSIGNED_INT: |
| 765 | if (!gl::IsUnsignedIntegerFormat(internalFormat, 3)) |
| 766 | { |
| 767 | return false; |
| 768 | } |
| 769 | break; |
| 770 | default: |
| 771 | return false; |
| 772 | } |
| 773 | break; |
| 774 | case GL_BGRA_EXT: |
| 775 | switch (type) |
| 776 | { |
| 777 | case GL_UNSIGNED_BYTE: |
| 778 | case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: |
| 779 | case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: |
| 780 | break; |
| 781 | default: |
| 782 | return false; |
| 783 | } |
| 784 | break; |
| 785 | default: |
| 786 | return false; |
| 787 | } |
| 788 | return true; |
| 789 | } |
| 790 | |
Geoff Lang | 34dbb6f | 2013-08-05 15:05:47 -0400 | [diff] [blame^] | 791 | bool ValidateInvalidateFramebufferParameters(gl::Context *context, GLenum target, GLsizei numAttachments, |
Geoff Lang | e8ebe7f | 2013-08-05 15:03:13 -0400 | [diff] [blame] | 792 | const GLenum* attachments) |
| 793 | { |
| 794 | bool defaultFramebuffer = false; |
| 795 | |
| 796 | switch (target) |
| 797 | { |
| 798 | case GL_DRAW_FRAMEBUFFER: |
| 799 | case GL_FRAMEBUFFER: |
| 800 | defaultFramebuffer = context->getDrawFramebufferHandle() == 0; |
| 801 | break; |
| 802 | case GL_READ_FRAMEBUFFER: |
| 803 | defaultFramebuffer = context->getReadFramebufferHandle() == 0; |
| 804 | break; |
| 805 | default: |
| 806 | return gl::error(GL_INVALID_ENUM, false); |
| 807 | } |
| 808 | |
| 809 | for (int i = 0; i < numAttachments; ++i) |
| 810 | { |
| 811 | if (attachments[i] >= GL_COLOR_ATTACHMENT0 && attachments[i] <= GL_COLOR_ATTACHMENT15) |
| 812 | { |
| 813 | if (defaultFramebuffer) |
| 814 | { |
| 815 | return gl::error(GL_INVALID_ENUM, false); |
| 816 | } |
| 817 | |
| 818 | if (attachments[i] >= GL_COLOR_ATTACHMENT0 + context->getMaximumRenderTargets()) |
| 819 | { |
| 820 | return gl::error(GL_INVALID_OPERATION, false); |
| 821 | } |
| 822 | } |
| 823 | else |
| 824 | { |
| 825 | switch (attachments[i]) |
| 826 | { |
| 827 | case GL_DEPTH_ATTACHMENT: |
| 828 | case GL_STENCIL_ATTACHMENT: |
| 829 | case GL_DEPTH_STENCIL_ATTACHMENT: |
| 830 | if (defaultFramebuffer) |
| 831 | { |
| 832 | return gl::error(GL_INVALID_ENUM, false); |
| 833 | } |
| 834 | break; |
| 835 | case GL_COLOR: |
| 836 | case GL_DEPTH: |
| 837 | case GL_STENCIL: |
| 838 | if (!defaultFramebuffer) |
| 839 | { |
| 840 | return gl::error(GL_INVALID_ENUM, false); |
| 841 | } |
| 842 | break; |
| 843 | default: |
| 844 | return gl::error(GL_INVALID_ENUM, false); |
| 845 | } |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | return true; |
| 850 | } |
| 851 | |
| 852 | } |