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#ifndef _RRMULTISAMPLEPIXELBUFFERACCESS_HPP
#define _RRMULTISAMPLEPIXELBUFFERACCESS_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program Reference Renderer
* -----------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Multisampled pixel buffer access
*//*--------------------------------------------------------------------*/
#include "rrDefs.hpp"
#include "tcuTexture.hpp"
namespace rr
{
/*--------------------------------------------------------------------*//*!
* \brief Read-write pixel data access to multisampled buffers.
*
* Multisampled data access follows the multisampled indexing convention.
*
* Prevents accidental usage of non-multisampled buffer as multisampled
* with PixelBufferAccess.
*//*--------------------------------------------------------------------*/
class MultisamplePixelBufferAccess
{
MultisamplePixelBufferAccess (const tcu::PixelBufferAccess& rawAccess);
public:
MultisamplePixelBufferAccess (void);
inline const tcu::PixelBufferAccess& raw (void) const { return m_access; }
inline int getNumSamples (void) const { return raw().getWidth(); }
const tcu::PixelBufferAccess toSinglesampleAccess (void) const;
static MultisamplePixelBufferAccess fromSinglesampleAccess (const tcu::PixelBufferAccess& singlesampledAccess);
static MultisamplePixelBufferAccess fromMultisampleAccess (const tcu::PixelBufferAccess& multisampledAccess);
private:
tcu::PixelBufferAccess m_access;
} DE_WARN_UNUSED_TYPE;
/*--------------------------------------------------------------------*//*!
* \brief Read-only pixel data access to multisampled buffers.
*
* Multisampled data access follows the multisampled indexing convention.
*
* Prevents accidental usage of non-multisampled buffer as multisampled
* with PixelBufferAccess.
*//*--------------------------------------------------------------------*/
class MultisampleConstPixelBufferAccess
{
MultisampleConstPixelBufferAccess (const tcu::ConstPixelBufferAccess& rawAccess);
public:
MultisampleConstPixelBufferAccess (const rr::MultisamplePixelBufferAccess& msAccess);
MultisampleConstPixelBufferAccess (void);
inline const tcu::ConstPixelBufferAccess& raw (void) const { return m_access; }
inline int getNumSamples (void) const { return raw().getWidth(); }
const tcu::ConstPixelBufferAccess toSinglesampleAccess (void) const;
static MultisampleConstPixelBufferAccess fromSinglesampleAccess (const tcu::ConstPixelBufferAccess& singlesampledAccess);
static MultisampleConstPixelBufferAccess fromMultisampleAccess (const tcu::ConstPixelBufferAccess& multisampledAccess);
private:
tcu::ConstPixelBufferAccess m_access;
} DE_WARN_UNUSED_TYPE;
// Multisampled versions of tcu-utils
MultisamplePixelBufferAccess getSubregion (const MultisamplePixelBufferAccess& access, int x, int y, int width, int height);
MultisampleConstPixelBufferAccess getSubregion (const MultisampleConstPixelBufferAccess& access, int x, int y, int width, int height);
void resolveMultisampleColorBuffer (const tcu::PixelBufferAccess& dst, const MultisampleConstPixelBufferAccess& src);
void resolveMultisampleDepthBuffer (const tcu::PixelBufferAccess& dst, const MultisampleConstPixelBufferAccess& src);
void resolveMultisampleStencilBuffer (const tcu::PixelBufferAccess& dst, const MultisampleConstPixelBufferAccess& src);
void resolveMultisampleBuffer (const tcu::PixelBufferAccess& dst, const MultisampleConstPixelBufferAccess& src);
tcu::Vec4 resolveMultisamplePixel (const MultisampleConstPixelBufferAccess& access, int x, int y);
void clear (const MultisamplePixelBufferAccess& access, const tcu::Vec4& color);
void clear (const MultisamplePixelBufferAccess& access, const tcu::IVec4& color);
void clearDepth (const MultisamplePixelBufferAccess& access, float depth);
void clearStencil (const MultisamplePixelBufferAccess& access, int stencil);
} // rr
#endif // _RRMULTISAMPLEPIXELBUFFERACCESS_HPP