| // |
| // Copyright (c) 2002-2012 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. |
| // |
| |
| // utilities.h: Conversion functions and other utility routines. |
| |
| #ifndef LIBGLESV2_UTILITIES_H |
| #define LIBGLESV2_UTILITIES_H |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| |
| #include <string> |
| |
| namespace gl |
| { |
| |
| struct Color; |
| |
| int UniformExternalComponentCount(GLenum type); |
| int UniformInternalComponentCount(GLenum type); |
| GLenum UniformComponentType(GLenum type); |
| size_t UniformInternalSize(GLenum type); |
| size_t UniformExternalSize(GLenum type); |
| int VariableRowCount(GLenum type); |
| int VariableColumnCount(GLenum type); |
| |
| int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize); |
| |
| void MakeValidSize(bool isImage, bool isCompressed, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset); |
| int ComputePixelSize(GLint internalformat); |
| GLsizei ComputePitch(GLsizei width, GLint internalformat, GLint alignment); |
| GLsizei ComputeCompressedPitch(GLsizei width, GLenum format); |
| GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format); |
| bool IsCompressed(GLenum format); |
| bool IsDepthTexture(GLenum format); |
| bool IsStencilTexture(GLenum format); |
| bool IsCubemapTextureTarget(GLenum target); |
| bool IsInternalTextureTarget(GLenum target); |
| GLint ConvertSizedInternalFormat(GLenum format, GLenum type); |
| GLenum ExtractFormat(GLenum internalformat); |
| GLenum ExtractType(GLenum internalformat); |
| |
| bool IsColorRenderable(GLenum internalformat); |
| bool IsDepthRenderable(GLenum internalformat); |
| bool IsStencilRenderable(GLenum internalformat); |
| |
| bool IsFloat32Format(GLint internalformat); |
| bool IsFloat16Format(GLint internalformat); |
| |
| GLuint GetAlphaSize(GLenum colorFormat); |
| GLuint GetRedSize(GLenum colorFormat); |
| GLuint GetGreenSize(GLenum colorFormat); |
| GLuint GetBlueSize(GLenum colorFormat); |
| GLuint GetDepthSize(GLenum depthFormat); |
| GLuint GetStencilSize(GLenum stencilFormat); |
| bool IsTriangleMode(GLenum drawMode); |
| |
| } |
| |
| std::string getTempPath(); |
| void writeFile(const char* path, const void* data, size_t size); |
| |
| #endif // LIBGLESV2_UTILITIES_H |