// SwiftShader Software Renderer | |
// | |
// Copyright(c) 2005-2013 TransGaming Inc. | |
// | |
// All rights reserved. No part of this software may be copied, distributed, transmitted, | |
// transcribed, stored in a retrieval system, translated into any human or computer | |
// language by any means, or disclosed to third parties without the explicit written | |
// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express | |
// or implied, including but not limited to any patent rights, are granted to you. | |
// | |
// utilities.h: Conversion functions and other utility routines. | |
#ifndef LIBGLESV2_UTILITIES_H | |
#define LIBGLESV2_UTILITIES_H | |
#include "Device.hpp" | |
#include "common/Image.hpp" | |
#include "Texture.h" | |
#include <GLES2/gl2.h> | |
#include <GLES2/gl2ext.h> | |
#include <string> | |
namespace es2 | |
{ | |
struct Color; | |
unsigned int UniformComponentCount(GLenum type); | |
GLenum UniformComponentType(GLenum type); | |
size_t UniformTypeSize(GLenum type); | |
bool IsSamplerUniform(GLenum type); | |
int VariableRowCount(GLenum type); | |
int VariableColumnCount(GLenum type); | |
int VariableRegisterCount(GLenum type); | |
int VariableRegisterSize(GLenum type); | |
int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize); | |
GLint floatToInt(GLfloat value); | |
bool IsCompressed(GLenum format, egl::GLint clientVersion); | |
GLenum GetSizedInternalFormat(GLenum internalFormat, GLenum type); | |
GLenum ValidateCompressedFormat(GLenum format, egl::GLint clientVersion, bool expectCompressedFormats); | |
GLenum ValidateSubImageParams(bool compressed, GLsizei width, GLsizei height, GLint xoffset, GLint yoffset, GLenum target, GLint level, GLenum sizedInternalFormat, Texture *texture); | |
GLenum ValidateSubImageParams(bool compressed, GLsizei width, GLsizei height, GLsizei depth, GLint xoffset, GLint yoffset, GLint zoffset, GLenum target, GLint level, GLenum sizedInternalFormat, Texture *texture); | |
bool ValidReadPixelsFormatType(GLenum internalFormat, GLenum internalType, GLenum format, GLenum type, egl::GLint clientVersion); | |
bool IsDepthTexture(GLenum format); | |
bool IsStencilTexture(GLenum format); | |
bool IsCubemapTextureTarget(GLenum target); | |
int CubeFaceIndex(GLenum cubeTarget); | |
bool IsTextureTarget(GLenum target); | |
bool CheckTextureFormatType(GLenum format, GLenum type, egl::GLint clientVersion); | |
bool IsColorRenderable(GLenum internalformat, egl::GLint clientVersion); | |
bool IsDepthRenderable(GLenum internalformat); | |
bool IsStencilRenderable(GLenum internalformat); | |
// Parse the base uniform name and array index. Returns the base name of the uniform. outSubscript is | |
// set to GL_INVALID_INDEX if the provided name is not an array or the array index is invalid. | |
std::string ParseUniformName(const std::string &name, size_t *outSubscript); | |
} | |
namespace es2sw | |
{ | |
sw::DepthCompareMode ConvertDepthComparison(GLenum comparison); | |
sw::StencilCompareMode ConvertStencilComparison(GLenum comparison); | |
sw::Color<float> ConvertColor(es2::Color color); | |
sw::BlendFactor ConvertBlendFunc(GLenum blend); | |
sw::BlendOperation ConvertBlendOp(GLenum blendOp); | |
sw::LogicalOperation ConvertLogicalOperation(GLenum logicalOperation); | |
sw::StencilOperation ConvertStencilOp(GLenum stencilOp); | |
sw::AddressingMode ConvertTextureWrap(GLenum wrap); | |
sw::SwizzleType ConvertSwizzleType(GLenum swizzleType); | |
sw::CullMode ConvertCullMode(GLenum cullFace, GLenum frontFace); | |
unsigned int ConvertColorMask(bool red, bool green, bool blue, bool alpha); | |
sw::MipmapType ConvertMipMapFilter(GLenum minFilter); | |
sw::FilterType ConvertTextureFilter(GLenum minFilter, GLenum magFilter, float maxAnisotropy); | |
bool ConvertPrimitiveType(GLenum primitiveType, GLsizei elementCount, es2::PrimitiveType &swPrimitiveType, int &primitiveCount); | |
sw::Format ConvertRenderbufferFormat(GLenum format); | |
} | |
namespace sw2es | |
{ | |
GLuint GetAlphaSize(sw::Format colorFormat); | |
GLuint GetRedSize(sw::Format colorFormat); | |
GLuint GetGreenSize(sw::Format colorFormat); | |
GLuint GetBlueSize(sw::Format colorFormat); | |
GLuint GetDepthSize(sw::Format depthFormat); | |
GLuint GetStencilSize(sw::Format stencilFormat); | |
GLenum GetComponentType(sw::Format format, GLenum attachment); | |
GLenum ConvertBackBufferFormat(sw::Format format); | |
GLenum ConvertDepthStencilFormat(sw::Format format); | |
} | |
#endif // LIBGLESV2_UTILITIES_H |