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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/Shader.h')
-rw-r--r-- | src/3rdparty/angle/src/libANGLE/Shader.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/Shader.h b/src/3rdparty/angle/src/libANGLE/Shader.h new file mode 100644 index 0000000000..10e79c7499 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/Shader.h @@ -0,0 +1,118 @@ +// +// 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. +// + +// Shader.h: Defines the abstract gl::Shader class and its concrete derived +// classes VertexShader and FragmentShader. Implements GL shader objects and +// related functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section +// 3.8 page 84. + +#ifndef LIBANGLE_SHADER_H_ +#define LIBANGLE_SHADER_H_ + +#include <string> +#include <list> +#include <vector> + +#include "angle_gl.h" +#include <GLSLANG/ShaderLang.h> + +#include "common/angleutils.h" +#include "libANGLE/angletypes.h" + +namespace rx +{ +class ShaderImpl; +} + +namespace gl +{ +class Compiler; +class ResourceManager; +struct Data; + +struct PackedVarying : public sh::Varying +{ + unsigned int registerIndex; // Assigned during link + unsigned int columnIndex; // Assigned during link, defaults to 0 + + PackedVarying(const sh::Varying &varying) + : sh::Varying(varying), + registerIndex(GL_INVALID_INDEX), + columnIndex(0) + {} + + bool registerAssigned() const { return registerIndex != GL_INVALID_INDEX; } + bool isBuiltIn() const { return name.compare(0, 3, "gl_") == 0; } + + void resetRegisterAssignment() + { + registerIndex = GL_INVALID_INDEX; + } +}; + +class Shader : angle::NonCopyable +{ + public: + Shader(ResourceManager *manager, rx::ShaderImpl *impl, GLenum type, GLuint handle); + + virtual ~Shader(); + + GLenum getType() const { return mType; } + GLuint getHandle() const; + + rx::ShaderImpl *getImplementation() { return mShader; } + const rx::ShaderImpl *getImplementation() const { return mShader; } + + void deleteSource(); + void setSource(GLsizei count, const char *const *string, const GLint *length); + int getInfoLogLength() const; + void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const; + int getSourceLength() const; + void getSource(GLsizei bufSize, GLsizei *length, char *buffer) const; + int getTranslatedSourceLength() const; + void getTranslatedSource(GLsizei bufSize, GLsizei *length, char *buffer) const; + void getTranslatedSourceWithDebugInfo(GLsizei bufSize, GLsizei *length, char *buffer) const; + + void compile(Compiler *compiler); + bool isCompiled() const { return mCompiled; } + + void addRef(); + void release(); + unsigned int getRefCount() const; + bool isFlaggedForDeletion() const; + void flagForDeletion(); + + const std::vector<gl::PackedVarying> &getVaryings() const; + const std::vector<sh::Uniform> &getUniforms() const; + const std::vector<sh::InterfaceBlock> &getInterfaceBlocks() const; + const std::vector<sh::Attribute> &getActiveAttributes() const; + const std::vector<sh::Attribute> &getActiveOutputVariables() const; + + std::vector<gl::PackedVarying> &getVaryings(); + std::vector<sh::Uniform> &getUniforms(); + std::vector<sh::InterfaceBlock> &getInterfaceBlocks(); + std::vector<sh::Attribute> &getActiveAttributes(); + std::vector<sh::Attribute> &getActiveOutputVariables(); + + int getSemanticIndex(const std::string &attributeName) const; + + private: + static void getSourceImpl(const std::string &source, GLsizei bufSize, GLsizei *length, char *buffer); + + rx::ShaderImpl *mShader; + const GLuint mHandle; + const GLenum mType; + std::string mSource; + unsigned int mRefCount; // Number of program objects this shader is attached to + bool mDeleteStatus; // Flag to indicate that the shader can be deleted when no longer in use + bool mCompiled; // Indicates if this shader has been successfully compiled + + ResourceManager *mResourceManager; +}; + +} + +#endif // LIBANGLE_SHADER_H_ |