| // |
| // Copyright (c) 2013 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. |
| // |
| |
| // formatutils.h: Queries for GL image formats. |
| |
| #ifndef LIBGLESV2_FORMATUTILS_H_ |
| #define LIBGLESV2_FORMATUTILS_H_ |
| |
| #include "angle_gl.h" |
| |
| #include "libGLESv2/Caps.h" |
| #include "libGLESv2/angletypes.h" |
| |
| #include <cstddef> |
| |
| typedef void (*MipGenerationFunction)(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, |
| const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, |
| uint8_t *destData, size_t destRowPitch, size_t destDepthPitch); |
| |
| typedef void (*LoadImageFunction)(size_t width, size_t height, size_t depth, |
| const uint8_t *input, size_t inputRowPitch, size_t inputDepthPitch, |
| uint8_t *output, size_t outputRowPitch, size_t outputDepthPitch); |
| |
| typedef void (*InitializeTextureDataFunction)(size_t width, size_t height, size_t depth, |
| uint8_t *output, size_t outputRowPitch, size_t outputDepthPitch); |
| |
| typedef void (*ColorReadFunction)(const void *source, void *dest); |
| typedef void (*ColorWriteFunction)(const void *source, void *dest); |
| typedef void (*ColorCopyFunction)(const void *source, void *dest); |
| |
| typedef void (*VertexCopyFunction)(const void *input, size_t stride, size_t count, void *output); |
| |
| namespace gl |
| { |
| |
| typedef std::set<GLenum> FormatSet; |
| |
| bool IsValidInternalFormat(GLenum internalFormat, const Extensions &extensions, GLuint clientVersion); |
| bool IsValidFormat(GLenum format, const Extensions &extensions, GLuint clientVersion); |
| bool IsValidType(GLenum type, const Extensions &extensions, GLuint clientVersion); |
| |
| bool IsValidFormatCombination(GLenum internalFormat, GLenum format, GLenum type, const Extensions &extensions, GLuint clientVersion); |
| bool IsValidCopyTexImageCombination(GLenum textureInternalFormat, GLenum frameBufferInternalFormat, GLuint readBufferHandle, GLuint clientVersion); |
| |
| bool IsSizedInternalFormat(GLenum internalFormat); |
| GLenum GetSizedInternalFormat(GLenum format, GLenum type); |
| |
| GLuint GetPixelBytes(GLenum internalFormat); |
| GLuint GetAlphaBits(GLenum internalFormat); |
| GLuint GetRedBits(GLenum internalFormat); |
| GLuint GetGreenBits(GLenum internalFormat); |
| GLuint GetBlueBits(GLenum internalFormat); |
| GLuint GetLuminanceBits(GLenum internalFormat); |
| GLuint GetDepthBits(GLenum internalFormat); |
| GLuint GetStencilBits(GLenum internalFormat); |
| |
| GLuint GetTypeBytes(GLenum type); |
| bool IsSpecialInterpretationType(GLenum type); |
| bool IsFloatOrFixedComponentType(GLenum type); |
| |
| GLenum GetFormat(GLenum internalFormat); |
| GLenum GetType(GLenum internalFormat); |
| |
| GLenum GetComponentType(GLenum internalFormat); |
| GLuint GetComponentCount(GLenum internalFormat); |
| GLenum GetColorEncoding(GLenum internalFormat); |
| |
| GLuint GetRowPitch(GLenum internalFormat, GLenum type, GLsizei width, GLint alignment); |
| GLuint GetDepthPitch(GLenum internalFormat, GLenum type, GLsizei width, GLsizei height, GLint alignment); |
| GLuint GetBlockSize(GLenum internalFormat, GLenum type, GLsizei width, GLsizei height); |
| |
| bool IsFormatCompressed(GLenum internalFormat); |
| GLuint GetCompressedBlockWidth(GLenum internalFormat); |
| GLuint GetCompressedBlockHeight(GLenum internalFormat); |
| |
| const FormatSet &GetAllSizedInternalFormats(); |
| |
| ColorWriteFunction GetColorWriteFunction(GLenum format, GLenum type); |
| |
| } |
| |
| #endif LIBGLESV2_FORMATUTILS_H_ |