diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/validationES2.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/validationES2.cpp | 980 |
1 files changed, 0 insertions, 980 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/validationES2.cpp b/src/3rdparty/angle/src/libGLESv2/validationES2.cpp deleted file mode 100644 index f950454df0..0000000000 --- a/src/3rdparty/angle/src/libGLESv2/validationES2.cpp +++ /dev/null @@ -1,980 +0,0 @@ -// -// Copyright (c) 2013-2014 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. -// - -// validationES2.cpp: Validation functions for OpenGL ES 2.0 entry point parameters - -#include "libGLESv2/validationES2.h" -#include "libGLESv2/validationES.h" -#include "libGLESv2/Context.h" -#include "libGLESv2/Texture.h" -#include "libGLESv2/Framebuffer.h" -#include "libGLESv2/Renderbuffer.h" -#include "libGLESv2/formatutils.h" -#include "libGLESv2/main.h" -#include "libGLESv2/FramebufferAttachment.h" - -#include "common/mathutil.h" -#include "common/utilities.h" - -namespace gl -{ - -static bool ValidateSubImageParams2D(Context *context, bool compressed, GLsizei width, GLsizei height, - GLint xoffset, GLint yoffset, GLint level, GLenum format, GLenum type, - gl::Texture2D *texture) -{ - if (!texture) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - if (compressed != texture->isCompressed(level)) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - if (format != GL_NONE) - { - if (gl::GetFormatTypeInfo(format, type).internalFormat != texture->getInternalFormat(level)) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - } - - if (compressed) - { - if ((width % 4 != 0 && width != texture->getWidth(level)) || - (height % 4 != 0 && height != texture->getHeight(level))) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - } - - if (xoffset + width > texture->getWidth(level) || - yoffset + height > texture->getHeight(level)) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - return true; -} - -static bool ValidateSubImageParamsCube(Context *context, bool compressed, GLsizei width, GLsizei height, - GLint xoffset, GLint yoffset, GLenum target, GLint level, GLenum format, GLenum type, - gl::TextureCubeMap *texture) -{ - if (!texture) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - if (compressed != texture->isCompressed(target, level)) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - if (format != GL_NONE) - { - if (gl::GetFormatTypeInfo(format, type).internalFormat != texture->getInternalFormat(target, level)) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - } - - if (compressed) - { - if ((width % 4 != 0 && width != texture->getWidth(target, 0)) || - (height % 4 != 0 && height != texture->getHeight(target, 0))) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - } - - if (xoffset + width > texture->getWidth(target, level) || - yoffset + height > texture->getHeight(target, level)) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - return true; -} - -bool ValidateES2TexImageParameters(Context *context, GLenum target, GLint level, GLenum internalformat, bool isCompressed, bool isSubImage, - GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, - GLint border, GLenum format, GLenum type, const GLvoid *pixels) -{ - if (!ValidTexture2DDestinationTarget(context, target)) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - if (!ValidImageSize(context, target, level, width, height, 1)) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - if (level < 0 || xoffset < 0 || - std::numeric_limits<GLsizei>::max() - xoffset < width || - std::numeric_limits<GLsizei>::max() - yoffset < height) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - if (!isSubImage && !isCompressed && internalformat != format) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - const gl::Caps &caps = context->getCaps(); - - gl::Texture *texture = NULL; - bool textureCompressed = false; - GLenum textureInternalFormat = GL_NONE; - GLint textureLevelWidth = 0; - GLint textureLevelHeight = 0; - switch (target) - { - case GL_TEXTURE_2D: - { - if (static_cast<GLuint>(width) > (caps.max2DTextureSize >> level) || - static_cast<GLuint>(height) > (caps.max2DTextureSize >> level)) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - gl::Texture2D *tex2d = context->getTexture2D(); - if (tex2d) - { - textureCompressed = tex2d->isCompressed(level); - textureInternalFormat = tex2d->getInternalFormat(level); - textureLevelWidth = tex2d->getWidth(level); - textureLevelHeight = tex2d->getHeight(level); - texture = tex2d; - } - - if (isSubImage && !ValidateSubImageParams2D(context, isCompressed, width, height, xoffset, yoffset, - level, format, type, tex2d)) - { - return false; - } - - texture = tex2d; - } - break; - - case GL_TEXTURE_CUBE_MAP_POSITIVE_X: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: - { - if (!isSubImage && width != height) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - if (static_cast<GLuint>(width) > (caps.maxCubeMapTextureSize >> level) || - static_cast<GLuint>(height) > (caps.maxCubeMapTextureSize >> level)) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - gl::TextureCubeMap *texCube = context->getTextureCubeMap(); - if (texCube) - { - textureCompressed = texCube->isCompressed(target, level); - textureInternalFormat = texCube->getInternalFormat(target, level); - textureLevelWidth = texCube->getWidth(target, level); - textureLevelHeight = texCube->getHeight(target, level); - texture = texCube; - } - - if (isSubImage && !ValidateSubImageParamsCube(context, isCompressed, width, height, xoffset, yoffset, - target, level, format, type, texCube)) - { - return false; - } - } - break; - - default: - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - if (!texture) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - if (!isSubImage && texture->isImmutable()) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - // Verify zero border - if (border != 0) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - GLenum actualInternalFormat = isSubImage ? textureInternalFormat : internalformat; - if (isCompressed) - { - if (!ValidCompressedImageSize(context, actualInternalFormat, width, height)) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - switch (actualInternalFormat) - { - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - if (!context->getExtensions().textureCompressionDXT1) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: - if (!context->getExtensions().textureCompressionDXT1) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: - if (!context->getExtensions().textureCompressionDXT5) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - default: - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - } - else - { - // validate <type> by itself (used as secondary key below) - switch (type) - { - case GL_UNSIGNED_BYTE: - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT: - case GL_UNSIGNED_INT: - case GL_UNSIGNED_INT_24_8_OES: - case GL_HALF_FLOAT_OES: - case GL_FLOAT: - break; - default: - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - // validate <format> + <type> combinations - // - invalid <format> -> sets INVALID_ENUM - // - invalid <format>+<type> combination -> sets INVALID_OPERATION - switch (format) - { - case GL_ALPHA: - case GL_LUMINANCE: - case GL_LUMINANCE_ALPHA: - switch (type) - { - case GL_UNSIGNED_BYTE: - case GL_FLOAT: - case GL_HALF_FLOAT_OES: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RED: - case GL_RG: - if (!context->getExtensions().textureRG) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - switch (type) - { - case GL_UNSIGNED_BYTE: - case GL_FLOAT: - case GL_HALF_FLOAT_OES: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RGB: - switch (type) - { - case GL_UNSIGNED_BYTE: - case GL_UNSIGNED_SHORT_5_6_5: - case GL_FLOAT: - case GL_HALF_FLOAT_OES: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RGBA: - switch (type) - { - case GL_UNSIGNED_BYTE: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_FLOAT: - case GL_HALF_FLOAT_OES: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_BGRA_EXT: - switch (type) - { - case GL_UNSIGNED_BYTE: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_SRGB_EXT: - case GL_SRGB_ALPHA_EXT: - if (!context->getExtensions().sRGB) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - switch (type) - { - case GL_UNSIGNED_BYTE: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: // error cases for compressed textures are handled below - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: - case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: - break; - case GL_DEPTH_COMPONENT: - switch (type) - { - case GL_UNSIGNED_SHORT: - case GL_UNSIGNED_INT: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_DEPTH_STENCIL_OES: - switch (type) - { - case GL_UNSIGNED_INT_24_8_OES: - break; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - default: - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - switch (format) - { - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - if (context->getExtensions().textureCompressionDXT1) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: - if (context->getExtensions().textureCompressionDXT3) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: - if (context->getExtensions().textureCompressionDXT5) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_DEPTH_COMPONENT: - case GL_DEPTH_STENCIL_OES: - if (!context->getExtensions().depthTextures) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - if (target != GL_TEXTURE_2D) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - // OES_depth_texture supports loading depth data and multiple levels, - // but ANGLE_depth_texture does not - if (pixels != NULL || level != 0) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - default: - break; - } - - if (type == GL_FLOAT) - { - if (!context->getExtensions().textureFloat) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - } - else if (type == GL_HALF_FLOAT_OES) - { - if (!context->getExtensions().textureHalfFloat) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - } - } - - return true; -} - - - -bool ValidateES2CopyTexImageParameters(Context* context, GLenum target, GLint level, GLenum internalformat, bool isSubImage, - GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, - GLint border) -{ - GLenum textureInternalFormat = GL_NONE; - - if (!ValidateCopyTexImageParametersBase(context, target, level, internalformat, isSubImage, - xoffset, yoffset, 0, x, y, width, height, border, &textureInternalFormat)) - { - return false; - } - - gl::Framebuffer *framebuffer = context->getState().getReadFramebuffer(); - GLenum colorbufferFormat = framebuffer->getReadColorbuffer()->getInternalFormat(); - GLenum textureFormat = gl::GetInternalFormatInfo(textureInternalFormat).format; - - // [OpenGL ES 2.0.24] table 3.9 - if (isSubImage) - { - switch (textureFormat) - { - case GL_ALPHA: - if (colorbufferFormat != GL_ALPHA8_EXT && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_LUMINANCE: - if (colorbufferFormat != GL_R8_EXT && - colorbufferFormat != GL_RG8_EXT && - colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RED_EXT: - if (colorbufferFormat != GL_R8_EXT && - colorbufferFormat != GL_RG8_EXT && - colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RG_EXT: - if (colorbufferFormat != GL_RG8_EXT && - colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RGB: - if (colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_LUMINANCE_ALPHA: - case GL_RGBA: - if (colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: - case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - case GL_DEPTH_COMPONENT: - case GL_DEPTH_STENCIL_OES: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - default: - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - } - else - { - switch (internalformat) - { - case GL_ALPHA: - if (colorbufferFormat != GL_ALPHA8_EXT && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_BGRA8_EXT && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_LUMINANCE: - if (colorbufferFormat != GL_R8_EXT && - colorbufferFormat != GL_RG8_EXT && - colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_BGRA8_EXT && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RED_EXT: - if (colorbufferFormat != GL_R8_EXT && - colorbufferFormat != GL_RG8_EXT && - colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_BGRA8_EXT && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RG_EXT: - if (colorbufferFormat != GL_RG8_EXT && - colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_BGRA8_EXT && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_RGB: - if (colorbufferFormat != GL_RGB565 && - colorbufferFormat != GL_RGB8_OES && - colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_BGRA8_EXT && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_LUMINANCE_ALPHA: - case GL_RGBA: - if (colorbufferFormat != GL_RGBA4 && - colorbufferFormat != GL_RGB5_A1 && - colorbufferFormat != GL_BGRA8_EXT && - colorbufferFormat != GL_RGBA8_OES) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - if (context->getExtensions().textureCompressionDXT1) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: - if (context->getExtensions().textureCompressionDXT3) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: - if (context->getExtensions().textureCompressionDXT5) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_DEPTH_COMPONENT: - case GL_DEPTH_COMPONENT16: - case GL_DEPTH_COMPONENT32_OES: - case GL_DEPTH_STENCIL_OES: - case GL_DEPTH24_STENCIL8_OES: - if (context->getExtensions().depthTextures) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - else - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - default: - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - } - - // If width or height is zero, it is a no-op. Return false without setting an error. - return (width > 0 && height > 0); -} - -bool ValidateES2TexStorageParameters(Context *context, GLenum target, GLsizei levels, GLenum internalformat, - GLsizei width, GLsizei height) -{ - if (target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - if (width < 1 || height < 1 || levels < 1) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - if (target == GL_TEXTURE_CUBE_MAP && width != height) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - - if (levels != 1 && levels != gl::log2(std::max(width, height)) + 1) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalformat); - if (formatInfo.format == GL_NONE || formatInfo.type == GL_NONE) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - const gl::Caps &caps = context->getCaps(); - - switch (target) - { - case GL_TEXTURE_2D: - if (static_cast<GLuint>(width) > caps.max2DTextureSize || - static_cast<GLuint>(height) > caps.max2DTextureSize) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - break; - case GL_TEXTURE_CUBE_MAP: - if (static_cast<GLuint>(width) > caps.maxCubeMapTextureSize || - static_cast<GLuint>(height) > caps.maxCubeMapTextureSize) - { - context->recordError(Error(GL_INVALID_VALUE)); - return false; - } - break; - default: - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - - if (levels != 1 && !context->getExtensions().textureNPOT) - { - if (!gl::isPow2(width) || !gl::isPow2(height)) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - } - - switch (internalformat) - { - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - if (!context->getExtensions().textureCompressionDXT1) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: - if (!context->getExtensions().textureCompressionDXT3) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: - if (!context->getExtensions().textureCompressionDXT5) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_RGBA32F_EXT: - case GL_RGB32F_EXT: - case GL_ALPHA32F_EXT: - case GL_LUMINANCE32F_EXT: - case GL_LUMINANCE_ALPHA32F_EXT: - if (!context->getExtensions().textureFloat) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_RGBA16F_EXT: - case GL_RGB16F_EXT: - case GL_ALPHA16F_EXT: - case GL_LUMINANCE16F_EXT: - case GL_LUMINANCE_ALPHA16F_EXT: - if (!context->getExtensions().textureHalfFloat) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_R8_EXT: - case GL_RG8_EXT: - case GL_R16F_EXT: - case GL_RG16F_EXT: - case GL_R32F_EXT: - case GL_RG32F_EXT: - if (!context->getExtensions().textureRG) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - break; - case GL_DEPTH_COMPONENT16: - case GL_DEPTH_COMPONENT32_OES: - case GL_DEPTH24_STENCIL8_OES: - if (!context->getExtensions().depthTextures) - { - context->recordError(Error(GL_INVALID_ENUM)); - return false; - } - if (target != GL_TEXTURE_2D) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - // ANGLE_depth_texture only supports 1-level textures - if (levels != 1) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - break; - default: - break; - } - - gl::Texture *texture = NULL; - switch(target) - { - case GL_TEXTURE_2D: - texture = context->getTexture2D(); - break; - case GL_TEXTURE_CUBE_MAP: - texture = context->getTextureCubeMap(); - break; - default: - UNREACHABLE(); - } - - if (!texture || texture->id() == 0) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - if (texture->isImmutable()) - { - context->recordError(Error(GL_INVALID_OPERATION)); - return false; - } - - return true; -} - -// check for combinations of format and type that are valid for ReadPixels -bool ValidES2ReadFormatType(Context *context, GLenum format, GLenum type) -{ - switch (format) - { - case GL_RGBA: - switch (type) - { - case GL_UNSIGNED_BYTE: - break; - default: - return false; - } - break; - case GL_BGRA_EXT: - switch (type) - { - case GL_UNSIGNED_BYTE: - case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: - case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: - break; - default: - return false; - } - break; - case GL_RG_EXT: - case GL_RED_EXT: - if (!context->getExtensions().textureRG) - { - return false; - } - switch (type) - { - case GL_UNSIGNED_BYTE: - break; - default: - return false; - } - break; - - default: - return false; - } - return true; -} - -} |