| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // utilities.h: Conversion functions and other utility routines. |
| |
| #ifndef LIBGLES_CM_UTILITIES_H |
| #define LIBGLES_CM_UTILITIES_H |
| |
| #include "Device.hpp" |
| #include "common/Image.hpp" |
| #include "Texture.h" |
| |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| |
| #include <string> |
| |
| namespace es1 |
| { |
| struct Color; |
| |
| bool IsCompressed(GLenum format); |
| GLenum ValidateSubImageParams(bool compressed, bool copy, GLenum target, GLint level, GLint xoffset, GLint yoffset, |
| GLsizei width, GLsizei height, GLenum format, GLenum type, Texture *texture); |
| bool IsDepthTexture(GLenum format); |
| bool IsStencilTexture(GLenum format); |
| bool IsCubemapTextureTarget(GLenum target); |
| int CubeFaceIndex(GLenum cubeTarget); |
| bool IsTextureTarget(GLenum target); |
| GLenum ValidateTextureFormatType(GLenum format, GLenum type, GLint internalformat, GLenum target); |
| |
| bool IsColorRenderable(GLint internalformat); |
| bool IsDepthRenderable(GLint internalformat); |
| bool IsStencilRenderable(GLint internalformat); |
| |
| GLuint GetAlphaSize(GLint internalformat); |
| GLuint GetRedSize(GLint internalformat); |
| GLuint GetGreenSize(GLint internalformat); |
| GLuint GetBlueSize(GLint internalformat); |
| GLuint GetDepthSize(GLint internalformat); |
| GLuint GetStencilSize(GLint internalformat); |
| |
| bool IsAlpha(GLint texFormat); |
| bool IsRGB(GLint texFormat); |
| bool IsRGBA(GLint texFormat); |
| } |
| |
| namespace es2sw |
| { |
| sw::DepthCompareMode ConvertDepthComparison(GLenum comparison); |
| sw::StencilCompareMode ConvertStencilComparison(GLenum comparison); |
| sw::AlphaCompareMode ConvertAlphaComparison(GLenum comparison); |
| sw::Color<float> ConvertColor(es1::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::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, GLenum elementType, sw::DrawType &swPrimitiveType, int &primitiveCount); |
| sw::TextureStage::StageOperation ConvertCombineOperation(GLenum operation); |
| sw::TextureStage::SourceArgument ConvertSourceArgument(GLenum argument); |
| sw::TextureStage::ArgumentModifier ConvertSourceOperand(GLenum operand); |
| } |
| |
| namespace sw2es |
| { |
| GLenum ConvertBackBufferFormat(sw::Format format); |
| GLenum ConvertDepthStencilFormat(sw::Format format); |
| } |
| |
| #endif // LIBGLES_CM_UTILITIES_H |