chromium/third_party/angle/src/libANGLE/Program.h

//
// Copyright 2002 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 <GLES2/gl2.h>
#include <GLSLANG/ShaderVars.h>

#include <array>
#include <map>
#include <memory>
#include <set>
#include <sstream>
#include <string>
#include <vector>

#include "common/Optional.h"
#include "common/SimpleMutex.h"
#include "common/angleutils.h"
#include "common/hash_containers.h"
#include "common/mathutil.h"
#include "common/utilities.h"

#include "libANGLE/Constants.h"
#include "libANGLE/Debug.h"
#include "libANGLE/Error.h"
#include "libANGLE/InfoLog.h"
#include "libANGLE/ProgramExecutable.h"
#include "libANGLE/ProgramLinkedResources.h"
#include "libANGLE/RefCountObject.h"
#include "libANGLE/Shader.h"
#include "libANGLE/Uniform.h"
#include "libANGLE/angletypes.h"

namespace rx
{
class GLImplFactory;
class ProgramImpl;
class LinkSubTask;
struct TranslatedAttribute;
}  // namespace rx

namespace gl
{
class Buffer;
class BinaryInputStream;
class BinaryOutputStream;
struct Caps;
class Context;
struct Extensions;
class Framebuffer;
class ProgramExecutable;
class ShaderProgramManager;
class State;
struct UnusedUniform;
struct Version;

extern const char *const g_fakepath;

enum class LinkMismatchError
{ … };

void LogLinkMismatch(InfoLog &infoLog,
                     const std::string &variableName,
                     const char *variableType,
                     LinkMismatchError linkError,
                     const std::string &mismatchedStructOrBlockFieldName,
                     ShaderType shaderType1,
                     ShaderType shaderType2);

bool IsActiveInterfaceBlock(const sh::InterfaceBlock &interfaceBlock);

// Struct used for correlating uniforms/elements of uniform arrays to handles
ANGLE_ENABLE_STRUCT_PADDING_WARNINGS
struct VariableLocation
{ … };
ANGLE_DISABLE_STRUCT_PADDING_WARNINGS

// Information about a variable binding.
// Currently used by CHROMIUM_path_rendering
struct BindingInfo
{ … };

struct ProgramBinding
{ … };

class ProgramBindings final : angle::NonCopyable
{ … };

// Uniforms and Fragment Outputs require special treatment due to array notation (e.g., "[0]")
class ProgramAliasedBindings final : angle::NonCopyable
{ … };

class ProgramState final : angle::NonCopyable
{ … };

struct ProgramVaryingRef
{ … };

ProgramMergedVaryings;

class Program final : public LabeledObject, public angle::Subject
{ … };
}  // namespace gl

#endif  // LIBANGLE_PROGRAM_H_