1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/ProgramBinary.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,174 @@
1.4 +//
1.5 +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Program.h: Defines the gl::Program class. Implements GL program objects
1.11 +// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
1.12 +
1.13 +#ifndef LIBGLESV2_PROGRAM_BINARY_H_
1.14 +#define LIBGLESV2_PROGRAM_BINARY_H_
1.15 +
1.16 +#define GL_APICALL
1.17 +#include <GLES2/gl2.h>
1.18 +#include <GLES2/gl2ext.h>
1.19 +
1.20 +#include <string>
1.21 +#include <vector>
1.22 +
1.23 +#include "common/RefCountObject.h"
1.24 +#include "angletypes.h"
1.25 +#include "libGLESv2/mathutil.h"
1.26 +#include "libGLESv2/Uniform.h"
1.27 +#include "libGLESv2/Shader.h"
1.28 +#include "libGLESv2/Constants.h"
1.29 +
1.30 +namespace rx
1.31 +{
1.32 +class ShaderExecutable;
1.33 +class Renderer;
1.34 +struct TranslatedAttribute;
1.35 +}
1.36 +
1.37 +namespace gl
1.38 +{
1.39 +class FragmentShader;
1.40 +class VertexShader;
1.41 +class InfoLog;
1.42 +class AttributeBindings;
1.43 +struct Varying;
1.44 +
1.45 +// Struct used for correlating uniforms/elements of uniform arrays to handles
1.46 +struct UniformLocation
1.47 +{
1.48 + UniformLocation()
1.49 + {
1.50 + }
1.51 +
1.52 + UniformLocation(const std::string &name, unsigned int element, unsigned int index);
1.53 +
1.54 + std::string name;
1.55 + unsigned int element;
1.56 + unsigned int index;
1.57 +};
1.58 +
1.59 +// This is the result of linking a program. It is the state that would be passed to ProgramBinary.
1.60 +class ProgramBinary : public RefCountObject
1.61 +{
1.62 + public:
1.63 + explicit ProgramBinary(rx::Renderer *renderer);
1.64 + ~ProgramBinary();
1.65 +
1.66 + rx::ShaderExecutable *getPixelExecutable();
1.67 + rx::ShaderExecutable *getVertexExecutable();
1.68 + rx::ShaderExecutable *getGeometryExecutable();
1.69 +
1.70 + GLuint getAttributeLocation(const char *name);
1.71 + int getSemanticIndex(int attributeIndex);
1.72 +
1.73 + GLint getSamplerMapping(SamplerType type, unsigned int samplerIndex);
1.74 + TextureType getSamplerTextureType(SamplerType type, unsigned int samplerIndex);
1.75 + GLint getUsedSamplerRange(SamplerType type);
1.76 + bool usesPointSize() const;
1.77 + bool usesPointSpriteEmulation() const;
1.78 + bool usesGeometryShader() const;
1.79 +
1.80 + GLint getUniformLocation(std::string name);
1.81 + bool setUniform1fv(GLint location, GLsizei count, const GLfloat *v);
1.82 + bool setUniform2fv(GLint location, GLsizei count, const GLfloat *v);
1.83 + bool setUniform3fv(GLint location, GLsizei count, const GLfloat *v);
1.84 + bool setUniform4fv(GLint location, GLsizei count, const GLfloat *v);
1.85 + bool setUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *value);
1.86 + bool setUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *value);
1.87 + bool setUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *value);
1.88 + bool setUniform1iv(GLint location, GLsizei count, const GLint *v);
1.89 + bool setUniform2iv(GLint location, GLsizei count, const GLint *v);
1.90 + bool setUniform3iv(GLint location, GLsizei count, const GLint *v);
1.91 + bool setUniform4iv(GLint location, GLsizei count, const GLint *v);
1.92 +
1.93 + bool getUniformfv(GLint location, GLsizei *bufSize, GLfloat *params);
1.94 + bool getUniformiv(GLint location, GLsizei *bufSize, GLint *params);
1.95 +
1.96 + void dirtyAllUniforms();
1.97 + void applyUniforms();
1.98 +
1.99 + bool load(InfoLog &infoLog, const void *binary, GLsizei length);
1.100 + bool save(void* binary, GLsizei bufSize, GLsizei *length);
1.101 + GLint getLength();
1.102 +
1.103 + bool link(InfoLog &infoLog, const AttributeBindings &attributeBindings, FragmentShader *fragmentShader, VertexShader *vertexShader);
1.104 + void getAttachedShaders(GLsizei maxCount, GLsizei *count, GLuint *shaders);
1.105 +
1.106 + void getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) const;
1.107 + GLint getActiveAttributeCount() const;
1.108 + GLint getActiveAttributeMaxLength() const;
1.109 +
1.110 + void getActiveUniform(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) const;
1.111 + GLint getActiveUniformCount() const;
1.112 + GLint getActiveUniformMaxLength() const;
1.113 +
1.114 + void validate(InfoLog &infoLog);
1.115 + bool validateSamplers(InfoLog *infoLog);
1.116 + bool isValidated() const;
1.117 +
1.118 + unsigned int getSerial() const;
1.119 +
1.120 + void sortAttributesByLayout(rx::TranslatedAttribute attributes[gl::MAX_VERTEX_ATTRIBS], int sortedSemanticIndices[MAX_VERTEX_ATTRIBS]) const;
1.121 +
1.122 + static std::string decorateAttribute(const std::string &name); // Prepend an underscore
1.123 +
1.124 + private:
1.125 + DISALLOW_COPY_AND_ASSIGN(ProgramBinary);
1.126 +
1.127 + int packVaryings(InfoLog &infoLog, const Varying *packing[][4], FragmentShader *fragmentShader);
1.128 + bool linkVaryings(InfoLog &infoLog, int registers, const Varying *packing[][4],
1.129 + std::string& pixelHLSL, std::string& vertexHLSL,
1.130 + FragmentShader *fragmentShader, VertexShader *vertexShader);
1.131 +
1.132 + bool linkAttributes(InfoLog &infoLog, const AttributeBindings &attributeBindings, FragmentShader *fragmentShader, VertexShader *vertexShader);
1.133 +
1.134 + bool linkUniforms(InfoLog &infoLog, const sh::ActiveUniforms &vertexUniforms, const sh::ActiveUniforms &fragmentUniforms);
1.135 + bool defineUniform(GLenum shader, const sh::Uniform &constant, InfoLog &infoLog);
1.136 +
1.137 + std::string generateGeometryShaderHLSL(int registers, const Varying *packing[][4], FragmentShader *fragmentShader, VertexShader *vertexShader) const;
1.138 + std::string generatePointSpriteHLSL(int registers, const Varying *packing[][4], FragmentShader *fragmentShader, VertexShader *vertexShader) const;
1.139 +
1.140 + rx::Renderer *const mRenderer;
1.141 +
1.142 + rx::ShaderExecutable *mPixelExecutable;
1.143 + rx::ShaderExecutable *mVertexExecutable;
1.144 + rx::ShaderExecutable *mGeometryExecutable;
1.145 +
1.146 + Attribute mLinkedAttribute[MAX_VERTEX_ATTRIBS];
1.147 + int mSemanticIndex[MAX_VERTEX_ATTRIBS];
1.148 +
1.149 + struct Sampler
1.150 + {
1.151 + Sampler();
1.152 +
1.153 + bool active;
1.154 + GLint logicalTextureUnit;
1.155 + TextureType textureType;
1.156 + };
1.157 +
1.158 + Sampler mSamplersPS[MAX_TEXTURE_IMAGE_UNITS];
1.159 + Sampler mSamplersVS[IMPLEMENTATION_MAX_VERTEX_TEXTURE_IMAGE_UNITS];
1.160 + GLuint mUsedVertexSamplerRange;
1.161 + GLuint mUsedPixelSamplerRange;
1.162 + bool mUsesPointSize;
1.163 +
1.164 + UniformArray mUniforms;
1.165 + typedef std::vector<UniformLocation> UniformIndex;
1.166 + UniformIndex mUniformIndex;
1.167 +
1.168 + bool mValidated;
1.169 +
1.170 + const unsigned int mSerial;
1.171 +
1.172 + static unsigned int issueSerial();
1.173 + static unsigned int mCurrentSerial;
1.174 +};
1.175 +}
1.176 +
1.177 +#endif // LIBGLESV2_PROGRAM_BINARY_H_
