blob: ed663ebca201fcf7e27de5c0dc5b992a68eed73c [file] [log] [blame]
// Copyright (c) 2002-2013 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.
// utilities.h: Conversion functions and other utility routines.
#define GL_APICALL
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <string>
namespace gl
struct Color;
int UniformComponentCount(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);
GLsizei ComputeTypeSize(GLenum type);
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);