michael@0: //
michael@0: // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // Program.h: Defines the gl::Program class. Implements GL program objects
michael@0: // and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
michael@0: 
michael@0: #ifndef LIBGLESV2_PROGRAM_H_
michael@0: #define LIBGLESV2_PROGRAM_H_
michael@0: 
michael@0: #include <string>
michael@0: #include <set>
michael@0: 
michael@0: #include "common/angleutils.h"
michael@0: #include "common/RefCountObject.h"
michael@0: #include "libGLESv2/Constants.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: class Renderer;
michael@0: }
michael@0: 
michael@0: namespace gl
michael@0: {
michael@0: class ResourceManager;
michael@0: class FragmentShader;
michael@0: class VertexShader;
michael@0: class ProgramBinary;
michael@0: class Shader;
michael@0: 
michael@0: extern const char * const g_fakepath;
michael@0: 
michael@0: class AttributeBindings
michael@0: {
michael@0:   public:
michael@0:     AttributeBindings();
michael@0:     ~AttributeBindings();
michael@0: 
michael@0:     void bindAttributeLocation(GLuint index, const char *name);
michael@0:     int getAttributeBinding(const std::string &name) const;
michael@0: 
michael@0:   private:
michael@0:     std::set<std::string> mAttributeBinding[MAX_VERTEX_ATTRIBS];
michael@0: };
michael@0: 
michael@0: class InfoLog
michael@0: {
michael@0:   public:
michael@0:     InfoLog();
michael@0:     ~InfoLog();
michael@0: 
michael@0:     int getLength() const;
michael@0:     void getLog(GLsizei bufSize, GLsizei *length, char *infoLog);
michael@0: 
michael@0:     void appendSanitized(const char *message);
michael@0:     void append(const char *info, ...);
michael@0:     void reset();
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(InfoLog);
michael@0:     char *mInfoLog;
michael@0: };
michael@0: 
michael@0: class Program
michael@0: {
michael@0:   public:
michael@0:     Program(rx::Renderer *renderer, ResourceManager *manager, GLuint handle);
michael@0: 
michael@0:     ~Program();
michael@0: 
michael@0:     bool attachShader(Shader *shader);
michael@0:     bool detachShader(Shader *shader);
michael@0:     int getAttachedShadersCount() const;
michael@0: 
michael@0:     void bindAttributeLocation(GLuint index, const char *name);
michael@0: 
michael@0:     bool link();
michael@0:     bool isLinked();
michael@0:     bool setProgramBinary(const void *binary, GLsizei length);
michael@0:     ProgramBinary *getProgramBinary();
michael@0: 
michael@0:     int getInfoLogLength() const;
michael@0:     void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog);
michael@0:     void getAttachedShaders(GLsizei maxCount, GLsizei *count, GLuint *shaders);
michael@0: 
michael@0:     void getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
michael@0:     GLint getActiveAttributeCount();
michael@0:     GLint getActiveAttributeMaxLength();
michael@0: 
michael@0:     void getActiveUniform(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
michael@0:     GLint getActiveUniformCount();
michael@0:     GLint getActiveUniformMaxLength();
michael@0: 
michael@0:     void addRef();
michael@0:     void release();
michael@0:     unsigned int getRefCount() const;
michael@0:     void flagForDeletion();
michael@0:     bool isFlaggedForDeletion() const;
michael@0: 
michael@0:     void validate();
michael@0:     bool isValidated() const;
michael@0: 
michael@0:     GLint getProgramBinaryLength() const;
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(Program);
michael@0: 
michael@0:     void unlink(bool destroy = false);
michael@0: 
michael@0:     FragmentShader *mFragmentShader;
michael@0:     VertexShader *mVertexShader;
michael@0: 
michael@0:     AttributeBindings mAttributeBindings;
michael@0: 
michael@0:     BindingPointer<ProgramBinary> mProgramBinary;
michael@0:     bool mLinked;
michael@0:     bool mDeleteStatus;   // Flag to indicate that the program can be deleted when no longer in use
michael@0: 
michael@0:     unsigned int mRefCount;
michael@0: 
michael@0:     ResourceManager *mResourceManager;
michael@0:     rx::Renderer *mRenderer;
michael@0:     const GLuint mHandle;
michael@0: 
michael@0:     InfoLog mInfoLog;
michael@0: };
michael@0: }
michael@0: 
michael@0: #endif   // LIBGLESV2_PROGRAM_H_