2 // Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
7 // Texture.cpp: Implements the gl::Texture class and its derived classes
8 // Texture2D and TextureCubeMap. Implements GL texture objects and related
9 // functionality. [OpenGL ES 2.0.24] section 3.7 page 63.
11 #include "libGLESv2/Texture.h"
12 #include "libGLESv2/main.h"
13 #include "libGLESv2/Context.h"
14 #include "libGLESv2/formatutils.h"
15 #include "libGLESv2/ImageIndex.h"
16 #include "libGLESv2/Renderbuffer.h"
17 #include "libGLESv2/renderer/Image.h"
18 #include "libGLESv2/renderer/d3d/TextureStorage.h"
20 #include "libEGL/Surface.h"
22 #include "common/mathutil.h"
23 #include "common/utilities.h"
28 bool IsMipmapFiltered(const gl::SamplerState &samplerState)
30 switch (samplerState.minFilter)
35 case GL_NEAREST_MIPMAP_NEAREST:
36 case GL_LINEAR_MIPMAP_NEAREST:
37 case GL_NEAREST_MIPMAP_LINEAR:
38 case GL_LINEAR_MIPMAP_LINEAR:
40 default: UNREACHABLE();
45 bool IsPointSampled(const gl::SamplerState &samplerState)
47 return (samplerState.magFilter == GL_NEAREST && (samplerState.minFilter == GL_NEAREST || samplerState.minFilter == GL_NEAREST_MIPMAP_NEAREST));
50 unsigned int Texture::mCurrentTextureSerial = 1;
52 Texture::Texture(rx::TextureImpl *impl, GLuint id, GLenum target)
55 mTextureSerial(issueTextureSerial()),
57 mImmutableLevelCount(0),
67 GLenum Texture::getTarget() const
72 void Texture::setUsage(GLenum usage)
75 getImplementation()->setUsage(usage);
78 GLenum Texture::getUsage() const
83 GLint Texture::getBaseLevelWidth() const
85 const rx::Image *baseImage = getBaseLevelImage();
86 return (baseImage ? baseImage->getWidth() : 0);
89 GLint Texture::getBaseLevelHeight() const
91 const rx::Image *baseImage = getBaseLevelImage();
92 return (baseImage ? baseImage->getHeight() : 0);
95 GLint Texture::getBaseLevelDepth() const
97 const rx::Image *baseImage = getBaseLevelImage();
98 return (baseImage ? baseImage->getDepth() : 0);
101 // Note: "base level image" is loosely defined to be any image from the base level,
102 // where in the base of 2D array textures and cube maps there are several. Don't use
103 // the base level image for anything except querying texture format and size.
104 GLenum Texture::getBaseLevelInternalFormat() const
106 const rx::Image *baseImage = getBaseLevelImage();
107 return (baseImage ? baseImage->getInternalFormat() : GL_NONE);
110 GLsizei Texture::getWidth(const ImageIndex &index) const
112 rx::Image *image = mTexture->getImage(index);
113 return image->getWidth();
116 GLsizei Texture::getHeight(const ImageIndex &index) const
118 rx::Image *image = mTexture->getImage(index);
119 return image->getHeight();
122 GLenum Texture::getInternalFormat(const ImageIndex &index) const
124 rx::Image *image = mTexture->getImage(index);
125 return image->getInternalFormat();
128 GLenum Texture::getActualFormat(const ImageIndex &index) const
130 rx::Image *image = mTexture->getImage(index);
131 return image->getActualFormat();
134 Error Texture::generateMipmaps()
136 return getImplementation()->generateMipmaps();
139 Error Texture::copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
140 GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
142 return mTexture->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, source);
145 unsigned int Texture::getTextureSerial() const
147 return mTextureSerial;
150 unsigned int Texture::issueTextureSerial()
152 return mCurrentTextureSerial++;
155 bool Texture::isImmutable() const
157 return (mImmutableLevelCount > 0);
160 int Texture::immutableLevelCount()
162 return mImmutableLevelCount;
165 int Texture::mipLevels() const
167 return log2(std::max(std::max(getBaseLevelWidth(), getBaseLevelHeight()), getBaseLevelDepth())) + 1;
170 const rx::Image *Texture::getBaseLevelImage() const
172 return (getImplementation()->getLayerCount(0) > 0 ? getImplementation()->getImage(0, 0) : NULL);
175 Texture2D::Texture2D(rx::TextureImpl *impl, GLuint id)
176 : Texture(impl, id, GL_TEXTURE_2D)
181 Texture2D::~Texture2D()
185 mSurface->setBoundTexture(NULL);
190 GLsizei Texture2D::getWidth(GLint level) const
192 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
193 return mTexture->getImage(level, 0)->getWidth();
198 GLsizei Texture2D::getHeight(GLint level) const
200 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
201 return mTexture->getImage(level, 0)->getHeight();
206 GLenum Texture2D::getInternalFormat(GLint level) const
208 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
209 return mTexture->getImage(level, 0)->getInternalFormat();
214 GLenum Texture2D::getActualFormat(GLint level) const
216 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
217 return mTexture->getImage(level, 0)->getActualFormat();
222 Error Texture2D::setImage(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
226 return mTexture->setImage(GL_TEXTURE_2D, level, width, height, 1, internalFormat, format, type, unpack, pixels);
229 void Texture2D::bindTexImage(egl::Surface *surface)
233 mTexture->bindTexImage(surface);
236 mSurface->setBoundTexture(this);
239 void Texture2D::releaseTexImage()
243 mSurface->setBoundTexture(NULL);
246 mTexture->releaseTexImage();
250 Error Texture2D::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize,
251 const PixelUnpackState &unpack, const void *pixels)
255 return mTexture->setCompressedImage(GL_TEXTURE_2D, level, format, width, height, 1, imageSize, unpack, pixels);
258 Error Texture2D::subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
260 return mTexture->subImage(GL_TEXTURE_2D, level, xoffset, yoffset, 0, width, height, 1, format, type, unpack, pixels);
263 Error Texture2D::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
264 GLenum format, GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
266 return mTexture->subImageCompressed(GL_TEXTURE_2D, level, xoffset, yoffset, 0, width, height, 1, format, imageSize, unpack, pixels);
269 Error Texture2D::copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height,
274 return mTexture->copyImage(GL_TEXTURE_2D, level, format, x, y, width, height, source);
277 Error Texture2D::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height)
279 Error error = mTexture->storage(GL_TEXTURE_2D, levels, internalformat, width, height, 1);
285 mImmutableLevelCount = levels;
287 return Error(GL_NO_ERROR);
290 // Tests for 2D texture sampling completeness. [OpenGL ES 2.0.24] section 3.8.2 page 85.
291 bool Texture2D::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const
293 GLsizei width = getBaseLevelWidth();
294 GLsizei height = getBaseLevelHeight();
296 if (width <= 0 || height <= 0)
301 if (!textureCaps.get(getInternalFormat(0)).filterable && !IsPointSampled(samplerState))
306 bool npotSupport = extensions.textureNPOT;
310 if ((samplerState.wrapS != GL_CLAMP_TO_EDGE && !gl::isPow2(width)) ||
311 (samplerState.wrapT != GL_CLAMP_TO_EDGE && !gl::isPow2(height)))
317 if (IsMipmapFiltered(samplerState))
321 if (!gl::isPow2(width) || !gl::isPow2(height))
327 if (!isMipmapComplete())
333 // OpenGLES 3.0.2 spec section 3.8.13 states that a texture is not mipmap complete if:
334 // The internalformat specified for the texture arrays is a sized internal depth or
335 // depth and stencil format (see table 3.13), the value of TEXTURE_COMPARE_-
336 // MODE is NONE, and either the magnification filter is not NEAREST or the mini-
337 // fication filter is neither NEAREST nor NEAREST_MIPMAP_NEAREST.
338 const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(getInternalFormat(0));
339 if (formatInfo.depthBits > 0 && clientVersion > 2)
341 if (samplerState.compareMode == GL_NONE)
343 if ((samplerState.minFilter != GL_NEAREST && samplerState.minFilter != GL_NEAREST_MIPMAP_NEAREST) ||
344 samplerState.magFilter != GL_NEAREST)
354 bool Texture2D::isCompressed(GLint level) const
356 return GetInternalFormatInfo(getInternalFormat(level)).compressed;
359 bool Texture2D::isDepth(GLint level) const
361 return GetInternalFormatInfo(getInternalFormat(level)).depthBits > 0;
364 Error Texture2D::generateMipmaps()
368 return mTexture->generateMipmaps();
371 // Tests for 2D texture (mipmap) completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
372 bool Texture2D::isMipmapComplete() const
374 int levelCount = mipLevels();
376 for (int level = 0; level < levelCount; level++)
378 if (!isLevelComplete(level))
387 bool Texture2D::isLevelComplete(int level) const
394 const rx::Image *baseImage = getBaseLevelImage();
396 GLsizei width = baseImage->getWidth();
397 GLsizei height = baseImage->getHeight();
399 if (width <= 0 || height <= 0)
404 // The base image level is complete if the width and height are positive
410 ASSERT(level >= 1 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getImage(level, 0) != NULL);
411 rx::Image *image = mTexture->getImage(level, 0);
413 if (image->getInternalFormat() != baseImage->getInternalFormat())
418 if (image->getWidth() != std::max(1, width >> level))
423 if (image->getHeight() != std::max(1, height >> level))
431 TextureCubeMap::TextureCubeMap(rx::TextureImpl *impl, GLuint id)
432 : Texture(impl, id, GL_TEXTURE_CUBE_MAP)
436 TextureCubeMap::~TextureCubeMap()
440 GLsizei TextureCubeMap::getWidth(GLenum target, GLint level) const
442 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
443 return mTexture->getImage(level, targetToLayerIndex(target))->getWidth();
448 GLsizei TextureCubeMap::getHeight(GLenum target, GLint level) const
450 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
451 return mTexture->getImage(level, targetToLayerIndex(target))->getHeight();
456 GLenum TextureCubeMap::getInternalFormat(GLenum target, GLint level) const
458 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
459 return mTexture->getImage(level, targetToLayerIndex(target))->getInternalFormat();
464 GLenum TextureCubeMap::getActualFormat(GLenum target, GLint level) const
466 if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS)
467 return mTexture->getImage(level, targetToLayerIndex(target))->getActualFormat();
472 Error TextureCubeMap::setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
474 return mTexture->setImage(target, level, width, height, 1, internalFormat, format, type, unpack, pixels);
477 Error TextureCubeMap::setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height,
478 GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
480 return mTexture->setCompressedImage(target, level, format, width, height, 1, imageSize, unpack, pixels);
483 Error TextureCubeMap::subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
485 return mTexture->subImage(target, level, xoffset, yoffset, 0, width, height, 1, format, type, unpack, pixels);
488 Error TextureCubeMap::subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset,
489 GLsizei width, GLsizei height, GLenum format,
490 GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
492 return mTexture->subImageCompressed(target, level, xoffset, yoffset, 0, width, height, 1, format, imageSize, unpack, pixels);
495 // Tests for cube texture completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
496 bool TextureCubeMap::isCubeComplete() const
498 int baseWidth = getBaseLevelWidth();
499 int baseHeight = getBaseLevelHeight();
500 GLenum baseFormat = getBaseLevelInternalFormat();
502 if (baseWidth <= 0 || baseWidth != baseHeight)
507 for (int faceIndex = 1; faceIndex < 6; faceIndex++)
509 const rx::Image *faceBaseImage = mTexture->getImage(0, faceIndex);
511 if (faceBaseImage->getWidth() != baseWidth ||
512 faceBaseImage->getHeight() != baseHeight ||
513 faceBaseImage->getInternalFormat() != baseFormat )
522 bool TextureCubeMap::isCompressed(GLenum target, GLint level) const
524 return GetInternalFormatInfo(getInternalFormat(target, level)).compressed;
527 bool TextureCubeMap::isDepth(GLenum target, GLint level) const
529 return GetInternalFormatInfo(getInternalFormat(target, level)).depthBits > 0;
532 Error TextureCubeMap::copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y,
533 GLsizei width, GLsizei height, Framebuffer *source)
535 return mTexture->copyImage(target, level, format, x, y, width, height, source);
538 Error TextureCubeMap::storage(GLsizei levels, GLenum internalformat, GLsizei size)
540 Error error = mTexture->storage(GL_TEXTURE_CUBE_MAP, levels, internalformat, size, size, 1);
546 mImmutableLevelCount = levels;
548 return Error(GL_NO_ERROR);
551 // Tests for texture sampling completeness
552 bool TextureCubeMap::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const
554 int size = getBaseLevelWidth();
556 bool mipmapping = IsMipmapFiltered(samplerState);
558 if (!textureCaps.get(getInternalFormat(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0)).filterable && !IsPointSampled(samplerState))
563 if (!gl::isPow2(size) && !extensions.textureNPOT)
565 if (samplerState.wrapS != GL_CLAMP_TO_EDGE || samplerState.wrapT != GL_CLAMP_TO_EDGE || mipmapping)
573 if (!isCubeComplete())
580 if (!isMipmapComplete()) // Also tests for isCubeComplete()
589 int TextureCubeMap::targetToLayerIndex(GLenum target)
591 META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 1);
592 META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 2);
593 META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 3);
594 META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 4);
595 META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 5);
597 return target - GL_TEXTURE_CUBE_MAP_POSITIVE_X;
600 GLenum TextureCubeMap::layerIndexToTarget(GLint layer)
602 META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 1);
603 META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 2);
604 META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 3);
605 META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 4);
606 META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 5);
608 return GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer;
611 bool TextureCubeMap::isMipmapComplete() const
618 if (!isCubeComplete())
623 int levelCount = mipLevels();
625 for (int face = 0; face < 6; face++)
627 for (int level = 1; level < levelCount; level++)
629 if (!isFaceLevelComplete(face, level))
639 bool TextureCubeMap::isFaceLevelComplete(int faceIndex, int level) const
641 ASSERT(level >= 0 && faceIndex < 6 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getImage(level, faceIndex) != NULL);
648 int baseSize = getBaseLevelWidth();
655 // "isCubeComplete" checks for base level completeness and we must call that
656 // to determine if any face at level 0 is complete. We omit that check here
657 // to avoid re-checking cube-completeness for every face at level 0.
663 // Check that non-zero levels are consistent with the base level.
664 const rx::Image *faceLevelImage = mTexture->getImage(level, faceIndex);
666 if (faceLevelImage->getInternalFormat() != getBaseLevelInternalFormat())
671 if (faceLevelImage->getWidth() != std::max(1, baseSize >> level))
680 Texture3D::Texture3D(rx::TextureImpl *impl, GLuint id)
681 : Texture(impl, id, GL_TEXTURE_3D)
685 Texture3D::~Texture3D()
689 GLsizei Texture3D::getWidth(GLint level) const
691 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getWidth() : 0;
694 GLsizei Texture3D::getHeight(GLint level) const
696 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getHeight() : 0;
699 GLsizei Texture3D::getDepth(GLint level) const
701 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getDepth() : 0;
704 GLenum Texture3D::getInternalFormat(GLint level) const
706 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getInternalFormat() : GL_NONE;
709 GLenum Texture3D::getActualFormat(GLint level) const
711 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getActualFormat() : GL_NONE;
714 bool Texture3D::isCompressed(GLint level) const
716 return GetInternalFormatInfo(getInternalFormat(level)).compressed;
719 bool Texture3D::isDepth(GLint level) const
721 return GetInternalFormatInfo(getInternalFormat(level)).depthBits > 0;
724 Error Texture3D::setImage(GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
726 return mTexture->setImage(GL_TEXTURE_3D, level, width, height, depth, internalFormat, format, type, unpack, pixels);
729 Error Texture3D::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth,
730 GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
732 return mTexture->setCompressedImage(GL_TEXTURE_3D, level, format, width, height, depth, imageSize, unpack, pixels);
735 Error Texture3D::subImage(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
737 return mTexture->subImage(GL_TEXTURE_3D, level, xoffset, yoffset, zoffset, width, height, depth, format, type, unpack, pixels);
740 Error Texture3D::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
741 GLsizei width, GLsizei height, GLsizei depth, GLenum format,
742 GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
744 return mTexture->subImageCompressed(GL_TEXTURE_3D, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, unpack, pixels);
747 Error Texture3D::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth)
749 Error error = mTexture->storage(GL_TEXTURE_3D, levels, internalformat, width, height, depth);
755 mImmutableLevelCount = levels;
757 return Error(GL_NO_ERROR);
760 bool Texture3D::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const
762 GLsizei width = getBaseLevelWidth();
763 GLsizei height = getBaseLevelHeight();
764 GLsizei depth = getBaseLevelDepth();
766 if (width <= 0 || height <= 0 || depth <= 0)
771 if (!textureCaps.get(getInternalFormat(0)).filterable && !IsPointSampled(samplerState))
776 if (IsMipmapFiltered(samplerState) && !isMipmapComplete())
784 bool Texture3D::isMipmapComplete() const
786 int levelCount = mipLevels();
788 for (int level = 0; level < levelCount; level++)
790 if (!isLevelComplete(level))
799 bool Texture3D::isLevelComplete(int level) const
801 ASSERT(level >= 0 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getImage(level, 0) != NULL);
808 GLsizei width = getBaseLevelWidth();
809 GLsizei height = getBaseLevelHeight();
810 GLsizei depth = getBaseLevelDepth();
812 if (width <= 0 || height <= 0 || depth <= 0)
822 rx::Image *levelImage = mTexture->getImage(level, 0);
824 if (levelImage->getInternalFormat() != getBaseLevelInternalFormat())
829 if (levelImage->getWidth() != std::max(1, width >> level))
834 if (levelImage->getHeight() != std::max(1, height >> level))
839 if (levelImage->getDepth() != std::max(1, depth >> level))
847 Texture2DArray::Texture2DArray(rx::TextureImpl *impl, GLuint id)
848 : Texture(impl, id, GL_TEXTURE_2D_ARRAY)
852 Texture2DArray::~Texture2DArray()
856 GLsizei Texture2DArray::getWidth(GLint level) const
858 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getWidth() : 0;
861 GLsizei Texture2DArray::getHeight(GLint level) const
863 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getHeight() : 0;
866 GLsizei Texture2DArray::getLayers(GLint level) const
868 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getLayerCount(level) : 0;
871 GLenum Texture2DArray::getInternalFormat(GLint level) const
873 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getInternalFormat() : GL_NONE;
876 GLenum Texture2DArray::getActualFormat(GLint level) const
878 return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getActualFormat() : GL_NONE;
881 bool Texture2DArray::isCompressed(GLint level) const
883 return GetInternalFormatInfo(getInternalFormat(level)).compressed;
886 bool Texture2DArray::isDepth(GLint level) const
888 return GetInternalFormatInfo(getInternalFormat(level)).depthBits > 0;
891 Error Texture2DArray::setImage(GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
893 return mTexture->setImage(GL_TEXTURE_2D_ARRAY, level, width, height, depth, internalFormat, format, type, unpack, pixels);
896 Error Texture2DArray::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth,
897 GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
899 return mTexture->setCompressedImage(GL_TEXTURE_2D_ARRAY, level, format, width, height, depth, imageSize, unpack, pixels);
902 Error Texture2DArray::subImage(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels)
904 return mTexture->subImage(GL_TEXTURE_2D_ARRAY, level, xoffset, yoffset, zoffset, width, height, depth, format, type, unpack, pixels);
907 Error Texture2DArray::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
908 GLsizei width, GLsizei height, GLsizei depth, GLenum format,
909 GLsizei imageSize, const PixelUnpackState &unpack, const void *pixels)
911 return mTexture->subImageCompressed(GL_TEXTURE_2D_ARRAY, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, unpack, pixels);
914 Error Texture2DArray::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth)
916 Error error = mTexture->storage(GL_TEXTURE_2D_ARRAY, levels, internalformat, width, height, depth);
922 mImmutableLevelCount = levels;
924 return Error(GL_NO_ERROR);
927 bool Texture2DArray::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const
929 GLsizei width = getBaseLevelWidth();
930 GLsizei height = getBaseLevelHeight();
931 GLsizei depth = getLayers(0);
933 if (width <= 0 || height <= 0 || depth <= 0)
938 if (!textureCaps.get(getBaseLevelInternalFormat()).filterable && !IsPointSampled(samplerState))
943 if (IsMipmapFiltered(samplerState) && !isMipmapComplete())
951 bool Texture2DArray::isMipmapComplete() const
953 int levelCount = mipLevels();
955 for (int level = 1; level < levelCount; level++)
957 if (!isLevelComplete(level))
966 bool Texture2DArray::isLevelComplete(int level) const
968 ASSERT(level >= 0 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS);
975 GLsizei width = getBaseLevelWidth();
976 GLsizei height = getBaseLevelHeight();
977 GLsizei layers = getLayers(0);
979 if (width <= 0 || height <= 0 || layers <= 0)
989 if (getInternalFormat(level) != getInternalFormat(0))
994 if (getWidth(level) != std::max(1, width >> level))
999 if (getHeight(level) != std::max(1, height >> level))
1004 if (getLayers(level) != layers)