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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/Program.h')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/Program.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/Program.h b/src/3rdparty/angle/src/libANGLE/Program.h new file mode 100644 index 0000000000..38fc83d29d --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/Program.h @@ -0,0 +1,276 @@ +// +// Copyright (c) 2002-2014 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. +// + +// Program.h: Defines the gl::Program class. Implements GL program objects +// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28. + +#ifndef LIBANGLE_PROGRAM_H_ +#define LIBANGLE_PROGRAM_H_ + +#include "libANGLE/angletypes.h" +#include "libANGLE/Constants.h" +#include "libANGLE/Error.h" +#include "libANGLE/RefCountObject.h" + +#include "common/angleutils.h" + +#include <GLES2/gl2.h> +#include <GLSLANG/ShaderLang.h> + +#include <vector> +#include <string> +#include <set> + +namespace rx +{ +class Renderer; +class Renderer; +struct TranslatedAttribute; +class ProgramImpl; +} + +namespace gl +{ +struct Caps; +struct Data; +class ResourceManager; +class Shader; +class InfoLog; +class AttributeBindings; +class Buffer; +class Framebuffer; +struct UniformBlock; +struct LinkedUniform; + +extern const char * const g_fakepath; + +class AttributeBindings +{ + public: + AttributeBindings(); + ~AttributeBindings(); + + void bindAttributeLocation(GLuint index, const char *name); + int getAttributeBinding(const std::string &name) const; + + private: + std::set<std::string> mAttributeBinding[MAX_VERTEX_ATTRIBS]; +}; + +class InfoLog : angle::NonCopyable +{ + public: + InfoLog(); + ~InfoLog(); + + int getLength() const; + void getLog(GLsizei bufSize, GLsizei *length, char *infoLog); + + void appendSanitized(const char *message); + void append(const char *info, ...); + void reset(); + private: + char *mInfoLog; +}; + +// Struct used for correlating uniforms/elements of uniform arrays to handles +struct VariableLocation +{ + VariableLocation(); + VariableLocation(const std::string &name, unsigned int element, unsigned int index); + + std::string name; + unsigned int element; + unsigned int index; +}; + +struct LinkedVarying +{ + LinkedVarying(); + LinkedVarying(const std::string &name, GLenum type, GLsizei size, const std::string &semanticName, + unsigned int semanticIndex, unsigned int semanticIndexCount); + + // Original GL name + std::string name; + + GLenum type; + GLsizei size; + + // DirectX semantic information + std::string semanticName; + unsigned int semanticIndex; + unsigned int semanticIndexCount; +}; + +class Program : angle::NonCopyable +{ + public: + Program(rx::ProgramImpl *impl, ResourceManager *manager, GLuint handle); + ~Program(); + + GLuint id() const { return mHandle; } + + rx::ProgramImpl *getImplementation() { return mProgram; } + const rx::ProgramImpl *getImplementation() const { return mProgram; } + + bool attachShader(Shader *shader); + bool detachShader(Shader *shader); + int getAttachedShadersCount() const; + + void bindAttributeLocation(GLuint index, const char *name); + + Error link(const Data &data); + bool isLinked(); + + Error loadBinary(GLenum binaryFormat, const void *binary, GLsizei length); + Error saveBinary(GLenum *binaryFormat, void *binary, GLsizei bufSize, GLsizei *length) const; + GLint getBinaryLength() const; + + int getInfoLogLength() const; + void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog); + void getAttachedShaders(GLsizei maxCount, GLsizei *count, GLuint *shaders); + + GLuint getAttributeLocation(const std::string &name); + int getSemanticIndex(int attributeIndex); + + void getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); + GLint getActiveAttributeCount(); + GLint getActiveAttributeMaxLength(); + + GLint getSamplerMapping(SamplerType type, unsigned int samplerIndex, const Caps &caps); + GLenum getSamplerTextureType(SamplerType type, unsigned int samplerIndex); + GLint getUsedSamplerRange(SamplerType type); + bool usesPointSize() const; + + GLint getFragDataLocation(const std::string &name) const; + + void getActiveUniform(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); + GLint getActiveUniformCount(); + GLint getActiveUniformMaxLength(); + GLint getActiveUniformi(GLuint index, GLenum pname) const; + bool isValidUniformLocation(GLint location) const; + LinkedUniform *getUniformByLocation(GLint location) const; + LinkedUniform *getUniformByName(const std::string &name) const; + + GLint getUniformLocation(const std::string &name); + GLuint getUniformIndex(const std::string &name); + void setUniform1fv(GLint location, GLsizei count, const GLfloat *v); + void setUniform2fv(GLint location, GLsizei count, const GLfloat *v); + void setUniform3fv(GLint location, GLsizei count, const GLfloat *v); + void setUniform4fv(GLint location, GLsizei count, const GLfloat *v); + void setUniform1iv(GLint location, GLsizei count, const GLint *v); + void setUniform2iv(GLint location, GLsizei count, const GLint *v); + void setUniform3iv(GLint location, GLsizei count, const GLint *v); + void setUniform4iv(GLint location, GLsizei count, const GLint *v); + void setUniform1uiv(GLint location, GLsizei count, const GLuint *v); + void setUniform2uiv(GLint location, GLsizei count, const GLuint *v); + void setUniform3uiv(GLint location, GLsizei count, const GLuint *v); + void setUniform4uiv(GLint location, GLsizei count, const GLuint *v); + void setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + void setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); + + void getUniformfv(GLint location, GLfloat *params); + void getUniformiv(GLint location, GLint *params); + void getUniformuiv(GLint location, GLuint *params); + + Error applyUniforms(); + Error applyUniformBuffers(const gl::Data &data); + + void getActiveUniformBlockName(GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName) const; + void getActiveUniformBlockiv(GLuint uniformBlockIndex, GLenum pname, GLint *params) const; + GLuint getActiveUniformBlockCount(); + GLint getActiveUniformBlockMaxLength(); + + GLuint getUniformBlockIndex(const std::string &name); + + void bindUniformBlock(GLuint uniformBlockIndex, GLuint uniformBlockBinding); + GLuint getUniformBlockBinding(GLuint uniformBlockIndex) const; + + const UniformBlock *getUniformBlockByIndex(GLuint index) const; + + void setTransformFeedbackVaryings(GLsizei count, const GLchar *const *varyings, GLenum bufferMode); + void getTransformFeedbackVarying(GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name) const; + GLsizei getTransformFeedbackVaryingCount() const; + GLsizei getTransformFeedbackVaryingMaxLength() const; + GLenum getTransformFeedbackBufferMode() const; + + static bool linkVaryings(InfoLog &infoLog, Shader *fragmentShader, Shader *vertexShader); + static bool linkValidateUniforms(InfoLog &infoLog, const std::string &uniformName, const sh::Uniform &vertexUniform, const sh::Uniform &fragmentUniform); + static bool linkValidateInterfaceBlockFields(InfoLog &infoLog, const std::string &uniformName, const sh::InterfaceBlockField &vertexUniform, const sh::InterfaceBlockField &fragmentUniform); + + void addRef(); + void release(); + unsigned int getRefCount() const; + void flagForDeletion(); + bool isFlaggedForDeletion() const; + + void validate(const Caps &caps); + bool validateSamplers(InfoLog *infoLog, const Caps &caps); + bool isValidated() const; + void updateSamplerMapping(); + + private: + void unlink(bool destroy = false); + void resetUniformBlockBindings(); + + bool linkAttributes(InfoLog &infoLog, const AttributeBindings &attributeBindings, const Shader *vertexShader); + bool linkUniformBlocks(InfoLog &infoLog, const Shader &vertexShader, const Shader &fragmentShader, const Caps &caps); + bool areMatchingInterfaceBlocks(gl::InfoLog &infoLog, const sh::InterfaceBlock &vertexInterfaceBlock, + const sh::InterfaceBlock &fragmentInterfaceBlock); + + static bool linkValidateVariablesBase(InfoLog &infoLog, + const std::string &variableName, + const sh::ShaderVariable &vertexVariable, + const sh::ShaderVariable &fragmentVariable, + bool validatePrecision); + + static bool linkValidateVaryings(InfoLog &infoLog, const std::string &varyingName, const sh::Varying &vertexVarying, const sh::Varying &fragmentVarying); + bool gatherTransformFeedbackLinkedVaryings(InfoLog &infoLog, const std::vector<LinkedVarying> &linkedVaryings, + const std::vector<std::string> &transformFeedbackVaryingNames, + GLenum transformFeedbackBufferMode, + std::vector<LinkedVarying> *outTransformFeedbackLinkedVaryings, + const Caps &caps) const; + bool assignUniformBlockRegister(InfoLog &infoLog, UniformBlock *uniformBlock, GLenum shader, unsigned int registerIndex, const Caps &caps); + void defineOutputVariables(Shader *fragmentShader); + + rx::ProgramImpl *mProgram; + + sh::Attribute mLinkedAttribute[MAX_VERTEX_ATTRIBS]; + + std::map<int, VariableLocation> mOutputVariables; + + bool mValidated; + + Shader *mFragmentShader; + Shader *mVertexShader; + + AttributeBindings mAttributeBindings; + + GLuint mUniformBlockBindings[IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS]; + + std::vector<std::string> mTransformFeedbackVaryings; + GLenum mTransformFeedbackBufferMode; + + bool mLinked; + bool mDeleteStatus; // Flag to indicate that the program can be deleted when no longer in use + + unsigned int mRefCount; + + ResourceManager *mResourceManager; + const GLuint mHandle; + + InfoLog mInfoLog; +}; +} + +#endif // LIBANGLE_PROGRAM_H_ |