| // |
| // Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // Texture.cpp: Implements the gl::Texture class and its derived classes |
| // Texture2D and TextureCubeMap. Implements GL texture objects and related |
| // functionality. [OpenGL ES 2.0.24] section 3.7 page 63. |
| |
| #include "libGLESv2/Texture.h" |
| #include "libGLESv2/main.h" |
| #include "libGLESv2/Context.h" |
| #include "libGLESv2/formatutils.h" |
| #include "libGLESv2/ImageIndex.h" |
| #include "libGLESv2/Renderbuffer.h" |
| #include "libGLESv2/renderer/Image.h" |
| #include "libGLESv2/renderer/d3d/TextureStorage.h" |
| |
| #include "libEGL/Surface.h" |
| |
| #include "common/mathutil.h" |
| #include "common/utilities.h" |
| |
| namespace gl |
| { |
| |
| bool IsMipmapFiltered(const gl::SamplerState &samplerState) |
| { |
| switch (samplerState.minFilter) |
| { |
| case GL_NEAREST: |
| case GL_LINEAR: |
| return false; |
| case GL_NEAREST_MIPMAP_NEAREST: |
| case GL_LINEAR_MIPMAP_NEAREST: |
| case GL_NEAREST_MIPMAP_LINEAR: |
| case GL_LINEAR_MIPMAP_LINEAR: |
| return true; |
| default: UNREACHABLE(); |
| return false; |
| } |
| } |
| |
| bool IsPointSampled(const gl::SamplerState &samplerState) |
| { |
| return (samplerState.magFilter == GL_NEAREST && (samplerState.minFilter == GL_NEAREST || samplerState.minFilter == GL_NEAREST_MIPMAP_NEAREST)); |
| } |
| |
| Texture::Texture(rx::TextureImpl *impl, GLuint id, GLenum target) |
| : RefCountObject(id), |
| mTexture(impl), |
| mUsage(GL_NONE), |
| mImmutable(false), |
| mTarget(target) |
| { |
| } |
| |
| Texture::~Texture() |
| { |
| SafeDelete(mTexture); |
| } |
| |
| GLenum Texture::getTarget() const |
| { |
| return mTarget; |
| } |
| |
| void Texture::setUsage(GLenum usage) |
| { |
| mUsage = usage; |
| getImplementation()->setUsage(usage); |
| } |
| |
| void Texture::getSamplerStateWithNativeOffset(SamplerState *sampler) |
| { |
| *sampler = mSamplerState; |
| |
| // Offset the effective base level by the texture storage's top level |
| rx::TextureStorage *texture = getNativeTexture(); |
| int topLevel = texture ? texture->getTopLevel() : 0; |
| sampler->baseLevel = topLevel + mSamplerState.baseLevel; |
| } |
| |
| GLenum Texture::getUsage() const |
| { |
| return mUsage; |
| } |
| |
| GLint Texture::getBaseLevelWidth() const |
| { |
| const rx::Image *baseImage = getBaseLevelImage(); |
| return (baseImage ? baseImage->getWidth() : 0); |
| } |
| |
| GLint Texture::getBaseLevelHeight() const |
| { |
| const rx::Image *baseImage = getBaseLevelImage(); |
| return (baseImage ? baseImage->getHeight() : 0); |
| } |
| |
| GLint Texture::getBaseLevelDepth() const |
| { |
| const rx::Image *baseImage = getBaseLevelImage(); |
| return (baseImage ? baseImage->getDepth() : 0); |
| } |
| |
| // Note: "base level image" is loosely defined to be any image from the base level, |
| // where in the base of 2D array textures and cube maps there are several. Don't use |
| // the base level image for anything except querying texture format and size. |
| GLenum Texture::getBaseLevelInternalFormat() const |
| { |
| const rx::Image *baseImage = getBaseLevelImage(); |
| return (baseImage ? baseImage->getInternalFormat() : GL_NONE); |
| } |
| |
| GLsizei Texture::getWidth(const ImageIndex &index) const |
| { |
| rx::Image *image = mTexture->getImage(index); |
| return image->getWidth(); |
| } |
| |
| GLsizei Texture::getHeight(const ImageIndex &index) const |
| { |
| rx::Image *image = mTexture->getImage(index); |
| return image->getHeight(); |
| } |
| |
| GLenum Texture::getInternalFormat(const ImageIndex &index) const |
| { |
| rx::Image *image = mTexture->getImage(index); |
| return image->getInternalFormat(); |
| } |
| |
| GLenum Texture::getActualFormat(const ImageIndex &index) const |
| { |
| rx::Image *image = mTexture->getImage(index); |
| return image->getActualFormat(); |
| } |
| |
| rx::TextureStorage *Texture::getNativeTexture() |
| { |
| return getImplementation()->getNativeTexture(); |
| } |
| |
| void Texture::generateMipmaps() |
| { |
| getImplementation()->generateMipmaps(); |
| } |
| |
| void Texture::copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source) |
| { |
| getImplementation()->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, source); |
| } |
| |
| unsigned int Texture::getTextureSerial() |
| { |
| rx::TextureStorage *texture = getNativeTexture(); |
| return texture ? texture->getTextureSerial() : 0; |
| } |
| |
| bool Texture::isImmutable() const |
| { |
| return mImmutable; |
| } |
| |
| int Texture::immutableLevelCount() |
| { |
| return (mImmutable ? getNativeTexture()->getLevelCount() : 0); |
| } |
| |
| int Texture::mipLevels() const |
| { |
| return log2(std::max(std::max(getBaseLevelWidth(), getBaseLevelHeight()), getBaseLevelDepth())) + 1; |
| } |
| |
| const rx::Image *Texture::getBaseLevelImage() const |
| { |
| return (getImplementation()->getLayerCount(0) > 0 ? getImplementation()->getImage(0, 0) : NULL); |
| } |
| |
| Texture2D::Texture2D(rx::TextureImpl *impl, GLuint id) |
| : Texture(impl, id, GL_TEXTURE_2D) |
| { |
| mSurface = NULL; |
| } |
| |
| Texture2D::~Texture2D() |
| { |
| if (mSurface) |
| { |
| mSurface->setBoundTexture(NULL); |
| mSurface = NULL; |
| } |
| } |
| |
| GLsizei Texture2D::getWidth(GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, 0)->getWidth(); |
| else |
| return 0; |
| } |
| |
| GLsizei Texture2D::getHeight(GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, 0)->getHeight(); |
| else |
| return 0; |
| } |
| |
| GLenum Texture2D::getInternalFormat(GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, 0)->getInternalFormat(); |
| else |
| return GL_NONE; |
| } |
| |
| GLenum Texture2D::getActualFormat(GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, 0)->getActualFormat(); |
| else |
| return GL_NONE; |
| } |
| |
| void Texture2D::setImage(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| releaseTexImage(); |
| |
| mTexture->setImage(GL_TEXTURE_2D, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void Texture2D::bindTexImage(egl::Surface *surface) |
| { |
| releaseTexImage(); |
| |
| mTexture->bindTexImage(surface); |
| |
| mSurface = surface; |
| mSurface->setBoundTexture(this); |
| } |
| |
| void Texture2D::releaseTexImage() |
| { |
| if (mSurface) |
| { |
| mSurface->setBoundTexture(NULL); |
| mSurface = NULL; |
| |
| mTexture->releaseTexImage(); |
| } |
| } |
| |
| void Texture2D::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels) |
| { |
| releaseTexImage(); |
| |
| mTexture->setCompressedImage(GL_TEXTURE_2D, level, format, width, height, 1, imageSize, pixels); |
| } |
| |
| void Texture2D::subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->subImage(GL_TEXTURE_2D, level, xoffset, yoffset, 0, width, height, 1, format, type, unpack, pixels); |
| } |
| |
| void Texture2D::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->subImageCompressed(GL_TEXTURE_2D, level, xoffset, yoffset, 0, width, height, 1, format, imageSize, pixels); |
| } |
| |
| void Texture2D::copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source) |
| { |
| releaseTexImage(); |
| |
| mTexture->copyImage(GL_TEXTURE_2D, level, format, x, y, width, height, source); |
| } |
| |
| void Texture2D::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height) |
| { |
| mImmutable = true; |
| |
| mTexture->storage(GL_TEXTURE_2D, levels, internalformat, width, height, 1); |
| } |
| |
| // Tests for 2D texture sampling completeness. [OpenGL ES 2.0.24] section 3.8.2 page 85. |
| bool Texture2D::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const |
| { |
| GLsizei width = getBaseLevelWidth(); |
| GLsizei height = getBaseLevelHeight(); |
| |
| if (width <= 0 || height <= 0) |
| { |
| return false; |
| } |
| |
| if (!textureCaps.get(getInternalFormat(0)).filterable && !IsPointSampled(samplerState)) |
| { |
| return false; |
| } |
| |
| bool npotSupport = extensions.textureNPOT; |
| |
| if (!npotSupport) |
| { |
| if ((samplerState.wrapS != GL_CLAMP_TO_EDGE && !gl::isPow2(width)) || |
| (samplerState.wrapT != GL_CLAMP_TO_EDGE && !gl::isPow2(height))) |
| { |
| return false; |
| } |
| } |
| |
| if (IsMipmapFiltered(samplerState)) |
| { |
| if (!npotSupport) |
| { |
| if (!gl::isPow2(width) || !gl::isPow2(height)) |
| { |
| return false; |
| } |
| } |
| |
| if (!isMipmapComplete()) |
| { |
| return false; |
| } |
| } |
| |
| // OpenGLES 3.0.2 spec section 3.8.13 states that a texture is not mipmap complete if: |
| // The internalformat specified for the texture arrays is a sized internal depth or |
| // depth and stencil format (see table 3.13), the value of TEXTURE_COMPARE_- |
| // MODE is NONE, and either the magnification filter is not NEAREST or the mini- |
| // fication filter is neither NEAREST nor NEAREST_MIPMAP_NEAREST. |
| const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(getInternalFormat(0)); |
| if (formatInfo.depthBits > 0 && clientVersion > 2) |
| { |
| if (samplerState.compareMode == GL_NONE) |
| { |
| if ((samplerState.minFilter != GL_NEAREST && samplerState.minFilter != GL_NEAREST_MIPMAP_NEAREST) || |
| samplerState.magFilter != GL_NEAREST) |
| { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| bool Texture2D::isCompressed(GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(level)).compressed; |
| } |
| |
| bool Texture2D::isDepth(GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(level)).depthBits > 0; |
| } |
| |
| void Texture2D::generateMipmaps() |
| { |
| releaseTexImage(); |
| |
| mTexture->generateMipmaps(); |
| } |
| |
| // Tests for 2D texture (mipmap) completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81. |
| bool Texture2D::isMipmapComplete() const |
| { |
| int levelCount = mipLevels(); |
| |
| for (int level = 0; level < levelCount; level++) |
| { |
| if (!isLevelComplete(level)) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool Texture2D::isLevelComplete(int level) const |
| { |
| if (isImmutable()) |
| { |
| return true; |
| } |
| |
| const rx::Image *baseImage = getBaseLevelImage(); |
| |
| GLsizei width = baseImage->getWidth(); |
| GLsizei height = baseImage->getHeight(); |
| |
| if (width <= 0 || height <= 0) |
| { |
| return false; |
| } |
| |
| // The base image level is complete if the width and height are positive |
| if (level == 0) |
| { |
| return true; |
| } |
| |
| ASSERT(level >= 1 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getImage(level, 0) != NULL); |
| rx::Image *image = mTexture->getImage(level, 0); |
| |
| if (image->getInternalFormat() != baseImage->getInternalFormat()) |
| { |
| return false; |
| } |
| |
| if (image->getWidth() != std::max(1, width >> level)) |
| { |
| return false; |
| } |
| |
| if (image->getHeight() != std::max(1, height >> level)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| TextureCubeMap::TextureCubeMap(rx::TextureImpl *impl, GLuint id) |
| : Texture(impl, id, GL_TEXTURE_CUBE_MAP) |
| { |
| } |
| |
| TextureCubeMap::~TextureCubeMap() |
| { |
| } |
| |
| GLsizei TextureCubeMap::getWidth(GLenum target, GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, targetToLayerIndex(target))->getWidth(); |
| else |
| return 0; |
| } |
| |
| GLsizei TextureCubeMap::getHeight(GLenum target, GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, targetToLayerIndex(target))->getHeight(); |
| else |
| return 0; |
| } |
| |
| GLenum TextureCubeMap::getInternalFormat(GLenum target, GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, targetToLayerIndex(target))->getInternalFormat(); |
| else |
| return GL_NONE; |
| } |
| |
| GLenum TextureCubeMap::getActualFormat(GLenum target, GLint level) const |
| { |
| if (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| return mTexture->getImage(level, targetToLayerIndex(target))->getActualFormat(); |
| else |
| return GL_NONE; |
| } |
| |
| void TextureCubeMap::setImagePosX(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_CUBE_MAP_POSITIVE_X, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::setImageNegX(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::setImagePosY(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::setImageNegY(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::setImagePosZ(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::setImageNegZ(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, level, width, height, 1, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->setCompressedImage(target, level, format, width, height, 1, imageSize, pixels); |
| } |
| |
| void TextureCubeMap::subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->subImage(target, level, xoffset, yoffset, 0, width, height, 1, format, type, unpack, pixels); |
| } |
| |
| void TextureCubeMap::subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->subImageCompressed(target, level, xoffset, yoffset, 0, width, height, 1, format, imageSize, pixels); |
| } |
| |
| // Tests for cube texture completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81. |
| bool TextureCubeMap::isCubeComplete() const |
| { |
| int baseWidth = getBaseLevelWidth(); |
| int baseHeight = getBaseLevelHeight(); |
| GLenum baseFormat = getBaseLevelInternalFormat(); |
| |
| if (baseWidth <= 0 || baseWidth != baseHeight) |
| { |
| return false; |
| } |
| |
| for (int faceIndex = 1; faceIndex < 6; faceIndex++) |
| { |
| const rx::Image *faceBaseImage = mTexture->getImage(0, faceIndex); |
| |
| if (faceBaseImage->getWidth() != baseWidth || |
| faceBaseImage->getHeight() != baseHeight || |
| faceBaseImage->getInternalFormat() != baseFormat ) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool TextureCubeMap::isCompressed(GLenum target, GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(target, level)).compressed; |
| } |
| |
| bool TextureCubeMap::isDepth(GLenum target, GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(target, level)).depthBits > 0; |
| } |
| |
| void TextureCubeMap::copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source) |
| { |
| mTexture->copyImage(target, level, format, x, y, width, height, source); |
| } |
| |
| void TextureCubeMap::storage(GLsizei levels, GLenum internalformat, GLsizei size) |
| { |
| mImmutable = true; |
| |
| mTexture->storage(GL_TEXTURE_CUBE_MAP, levels, internalformat, size, size, 1); |
| } |
| |
| // Tests for texture sampling completeness |
| bool TextureCubeMap::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const |
| { |
| int size = getBaseLevelWidth(); |
| |
| bool mipmapping = IsMipmapFiltered(samplerState); |
| |
| if (!textureCaps.get(getInternalFormat(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0)).filterable && !IsPointSampled(samplerState)) |
| { |
| return false; |
| } |
| |
| if (!gl::isPow2(size) && !extensions.textureNPOT) |
| { |
| if (samplerState.wrapS != GL_CLAMP_TO_EDGE || samplerState.wrapT != GL_CLAMP_TO_EDGE || mipmapping) |
| { |
| return false; |
| } |
| } |
| |
| if (!mipmapping) |
| { |
| if (!isCubeComplete()) |
| { |
| return false; |
| } |
| } |
| else |
| { |
| if (!isMipmapComplete()) // Also tests for isCubeComplete() |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| int TextureCubeMap::targetToLayerIndex(GLenum target) |
| { |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 1); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 2); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 3); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 4); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 5); |
| |
| return target - GL_TEXTURE_CUBE_MAP_POSITIVE_X; |
| } |
| |
| GLenum TextureCubeMap::layerIndexToTarget(GLint layer) |
| { |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 1); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 2); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 3); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_POSITIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 4); |
| META_ASSERT(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 5); |
| |
| return GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer; |
| } |
| |
| bool TextureCubeMap::isMipmapComplete() const |
| { |
| if (isImmutable()) |
| { |
| return true; |
| } |
| |
| if (!isCubeComplete()) |
| { |
| return false; |
| } |
| |
| int levelCount = mipLevels(); |
| |
| for (int face = 0; face < 6; face++) |
| { |
| for (int level = 1; level < levelCount; level++) |
| { |
| if (!isFaceLevelComplete(face, level)) |
| { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| bool TextureCubeMap::isFaceLevelComplete(int faceIndex, int level) const |
| { |
| ASSERT(level >= 0 && faceIndex < 6 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getImage(level, faceIndex) != NULL); |
| |
| if (isImmutable()) |
| { |
| return true; |
| } |
| |
| int baseSize = getBaseLevelWidth(); |
| |
| if (baseSize <= 0) |
| { |
| return false; |
| } |
| |
| // "isCubeComplete" checks for base level completeness and we must call that |
| // to determine if any face at level 0 is complete. We omit that check here |
| // to avoid re-checking cube-completeness for every face at level 0. |
| if (level == 0) |
| { |
| return true; |
| } |
| |
| // Check that non-zero levels are consistent with the base level. |
| const rx::Image *faceLevelImage = mTexture->getImage(level, faceIndex); |
| |
| if (faceLevelImage->getInternalFormat() != getBaseLevelInternalFormat()) |
| { |
| return false; |
| } |
| |
| if (faceLevelImage->getWidth() != std::max(1, baseSize >> level)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| |
| Texture3D::Texture3D(rx::TextureImpl *impl, GLuint id) |
| : Texture(impl, id, GL_TEXTURE_3D) |
| { |
| } |
| |
| Texture3D::~Texture3D() |
| { |
| } |
| |
| GLsizei Texture3D::getWidth(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getWidth() : 0; |
| } |
| |
| GLsizei Texture3D::getHeight(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getHeight() : 0; |
| } |
| |
| GLsizei Texture3D::getDepth(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getDepth() : 0; |
| } |
| |
| GLenum Texture3D::getInternalFormat(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getInternalFormat() : GL_NONE; |
| } |
| |
| GLenum Texture3D::getActualFormat(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getImage(level, 0)->getActualFormat() : GL_NONE; |
| } |
| |
| bool Texture3D::isCompressed(GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(level)).compressed; |
| } |
| |
| bool Texture3D::isDepth(GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(level)).depthBits > 0; |
| } |
| |
| void Texture3D::setImage(GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_3D, level, width, height, depth, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void Texture3D::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->setCompressedImage(GL_TEXTURE_3D, level, format, width, height, depth, imageSize, pixels); |
| } |
| |
| void 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) |
| { |
| mTexture->subImage(GL_TEXTURE_3D, level, xoffset, yoffset, zoffset, width, height, depth, format, type, unpack, pixels); |
| } |
| |
| void Texture3D::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->subImageCompressed(GL_TEXTURE_3D, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, pixels); |
| } |
| |
| void Texture3D::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) |
| { |
| mImmutable = true; |
| |
| mTexture->storage(GL_TEXTURE_3D, levels, internalformat, width, height, depth); |
| } |
| |
| bool Texture3D::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const |
| { |
| GLsizei width = getBaseLevelWidth(); |
| GLsizei height = getBaseLevelHeight(); |
| GLsizei depth = getBaseLevelDepth(); |
| |
| if (width <= 0 || height <= 0 || depth <= 0) |
| { |
| return false; |
| } |
| |
| if (!textureCaps.get(getInternalFormat(0)).filterable && !IsPointSampled(samplerState)) |
| { |
| return false; |
| } |
| |
| if (IsMipmapFiltered(samplerState) && !isMipmapComplete()) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool Texture3D::isMipmapComplete() const |
| { |
| int levelCount = mipLevels(); |
| |
| for (int level = 0; level < levelCount; level++) |
| { |
| if (!isLevelComplete(level)) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool Texture3D::isLevelComplete(int level) const |
| { |
| ASSERT(level >= 0 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getImage(level, 0) != NULL); |
| |
| if (isImmutable()) |
| { |
| return true; |
| } |
| |
| GLsizei width = getBaseLevelWidth(); |
| GLsizei height = getBaseLevelHeight(); |
| GLsizei depth = getBaseLevelDepth(); |
| |
| if (width <= 0 || height <= 0 || depth <= 0) |
| { |
| return false; |
| } |
| |
| if (level == 0) |
| { |
| return true; |
| } |
| |
| rx::Image *levelImage = mTexture->getImage(level, 0); |
| |
| if (levelImage->getInternalFormat() != getBaseLevelInternalFormat()) |
| { |
| return false; |
| } |
| |
| if (levelImage->getWidth() != std::max(1, width >> level)) |
| { |
| return false; |
| } |
| |
| if (levelImage->getHeight() != std::max(1, height >> level)) |
| { |
| return false; |
| } |
| |
| if (levelImage->getDepth() != std::max(1, depth >> level)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| Texture2DArray::Texture2DArray(rx::TextureImpl *impl, GLuint id) |
| : Texture(impl, id, GL_TEXTURE_2D_ARRAY) |
| { |
| } |
| |
| Texture2DArray::~Texture2DArray() |
| { |
| } |
| |
| GLsizei Texture2DArray::getWidth(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getWidth() : 0; |
| } |
| |
| GLsizei Texture2DArray::getHeight(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getHeight() : 0; |
| } |
| |
| GLsizei Texture2DArray::getLayers(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS) ? mTexture->getLayerCount(level) : 0; |
| } |
| |
| GLenum Texture2DArray::getInternalFormat(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getInternalFormat() : GL_NONE; |
| } |
| |
| GLenum Texture2DArray::getActualFormat(GLint level) const |
| { |
| return (level < IMPLEMENTATION_MAX_TEXTURE_LEVELS && mTexture->getLayerCount(level) > 0) ? mTexture->getImage(level, 0)->getActualFormat() : GL_NONE; |
| } |
| |
| bool Texture2DArray::isCompressed(GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(level)).compressed; |
| } |
| |
| bool Texture2DArray::isDepth(GLint level) const |
| { |
| return GetInternalFormatInfo(getInternalFormat(level)).depthBits > 0; |
| } |
| |
| void Texture2DArray::setImage(GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels) |
| { |
| mTexture->setImage(GL_TEXTURE_2D_ARRAY, level, width, height, depth, internalFormat, format, type, unpack, pixels); |
| } |
| |
| void Texture2DArray::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->setCompressedImage(GL_TEXTURE_2D_ARRAY, level, format, width, height, depth, imageSize, pixels); |
| } |
| |
| void 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) |
| { |
| mTexture->subImage(GL_TEXTURE_2D_ARRAY, level, xoffset, yoffset, zoffset, width, height, depth, format, type, unpack, pixels); |
| } |
| |
| void Texture2DArray::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels) |
| { |
| mTexture->subImageCompressed(GL_TEXTURE_2D_ARRAY, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, pixels); |
| } |
| |
| void Texture2DArray::storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) |
| { |
| mImmutable = true; |
| |
| mTexture->storage(GL_TEXTURE_2D_ARRAY, levels, internalformat, width, height, depth); |
| } |
| |
| bool Texture2DArray::isSamplerComplete(const SamplerState &samplerState, const TextureCapsMap &textureCaps, const Extensions &extensions, int clientVersion) const |
| { |
| GLsizei width = getBaseLevelWidth(); |
| GLsizei height = getBaseLevelHeight(); |
| GLsizei depth = getLayers(0); |
| |
| if (width <= 0 || height <= 0 || depth <= 0) |
| { |
| return false; |
| } |
| |
| if (!textureCaps.get(getBaseLevelInternalFormat()).filterable && !IsPointSampled(samplerState)) |
| { |
| return false; |
| } |
| |
| if (IsMipmapFiltered(samplerState) && !isMipmapComplete()) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool Texture2DArray::isMipmapComplete() const |
| { |
| int levelCount = mipLevels(); |
| |
| for (int level = 1; level < levelCount; level++) |
| { |
| if (!isLevelComplete(level)) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool Texture2DArray::isLevelComplete(int level) const |
| { |
| ASSERT(level >= 0 && level < IMPLEMENTATION_MAX_TEXTURE_LEVELS); |
| |
| if (isImmutable()) |
| { |
| return true; |
| } |
| |
| GLsizei width = getBaseLevelWidth(); |
| GLsizei height = getBaseLevelHeight(); |
| GLsizei layers = getLayers(0); |
| |
| if (width <= 0 || height <= 0 || layers <= 0) |
| { |
| return false; |
| } |
| |
| if (level == 0) |
| { |
| return true; |
| } |
| |
| if (getInternalFormat(level) != getInternalFormat(0)) |
| { |
| return false; |
| } |
| |
| if (getWidth(level) != std::max(1, width >> level)) |
| { |
| return false; |
| } |
| |
| if (getHeight(level) != std::max(1, height >> level)) |
| { |
| return false; |
| } |
| |
| if (getLayers(level) != layers) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } |