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//
// Copyright (c) 2015 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.
//
// formatutilsgl.h: Queries for GL image formats and their translations to native
// GL formats.
#ifndef LIBANGLE_RENDERER_GL_FORMATUTILSGL_H_
#define LIBANGLE_RENDERER_GL_FORMATUTILSGL_H_
#include <map>
#include <string>
#include <vector>
#include "angle_gl.h"
#include "libANGLE/Version.h"
#include "libANGLE/renderer/gl/FunctionsGL.h"
#include "libANGLE/renderer/gl/WorkaroundsGL.h"
namespace rx
{
namespace nativegl
{
struct SupportRequirement
{
SupportRequirement();
// Version that this format became supported without extensions
gl::Version version;
// Extensions that are required if the minimum version is not met
std::vector<std::string> versionExtensions;
// Extensions that are always required to support this format
std::vector<std::string> requiredExtensions;
};
struct InternalFormat
{
InternalFormat();
SupportRequirement texture;
SupportRequirement filter;
SupportRequirement renderbuffer;
SupportRequirement framebufferAttachment;
};
const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, StandardGL standard);
struct TexImageFormat
{
GLenum internalFormat;
GLenum format;
GLenum type;
};
TexImageFormat GetTexImageFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum internalFormat,
GLenum format,
GLenum type);
struct TexSubImageFormat
{
GLenum format;
GLenum type;
};
TexSubImageFormat GetTexSubImageFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum format,
GLenum type);
struct CompressedTexImageFormat
{
GLenum internalFormat;
};
CompressedTexImageFormat GetCompressedTexImageFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum internalFormat);
struct CompressedTexSubImageFormat
{
GLenum format;
};
CompressedTexSubImageFormat GetCompressedSubTexImageFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum format);
struct CopyTexImageImageFormat
{
GLenum internalFormat;
};
CopyTexImageImageFormat GetCopyTexImageImageFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum internalFormat,
GLenum framebufferType);
struct TexStorageFormat
{
GLenum internalFormat;
};
TexStorageFormat GetTexStorageFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum internalFormat);
struct RenderbufferFormat
{
GLenum internalFormat;
};
RenderbufferFormat GetRenderbufferFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum internalFormat);
struct ReadPixelsFormat
{
GLenum format;
GLenum type;
};
ReadPixelsFormat GetReadPixelsFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum format,
GLenum type);
}
}
#endif // LIBANGLE_RENDERER_GL_FORMATUTILSGL_H_
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