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Add EFB encode-to-RAM support in DX11 backend. It could probably be simplified a lot, and not all the possible formats are implemented. I tried to use the dynamic-linking feature of shader model 5, but Microsoft's HLSL compiler is broken. "Dynamic mode" is implemented, but disabled for now.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7253 8ced0084-cf51-0410-be5f-012b33b47a6e
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Nolan Check
2011-02-26 23:41:02 +00:00
parent 8351177738
commit f0c5cc76a9
19 changed files with 1687 additions and 112 deletions
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90
Source/Plugins/Plugin_VideoDX11/Src/TextureEncoder.h Normal file
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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _TEXTUREENCODER_H
#define _TEXTUREENCODER_H
#include "VideoCommon.h"
namespace DX11
{
// 4-bit format: 8x8 texels / cache line
// 8-bit format: 8x4 texels / cache line
// 16-bit format: 4x4 texels / cache line
// 32-bit format: 4x4 texels / 2 cache lines
// Compressed format: 8x8 texels / cache line
const unsigned int BLOCK_WIDTHS[16] = {
8, // R4
8, // R8 (FIXME: duplicate of R8 below?)
8, // A4 R4
4, // A8 R8
4, // R5 G6 B5
4, // 1 R5 G5 B5 or 0 A3 R4 G4 B4
4, // A8 R8 A8 R8 | G8 B8 G8 B8 (two cache lines)
8, // A8
8, // R8 (FIXME: duplicate of R8 above?)
8, // G8
8, // B8
4, // G8 R8
4, // B8 G8
0, 0, 0 // Unknown formats
};
const unsigned int BLOCK_HEIGHTS[16] = {
8, // R4
4, // R8 (FIXME: duplicate of R8 below?)
4, // A4 R4
4, // A8 R8
4, // R5 G6 B5
4, // 1 R5 G5 B5 or 0 A3 R4 G4 B4
4, // A8 R8 A8 R8 | G8 B8 G8 B8 (two cache lines)
4, // A8
4, // R8 (FIXME: duplicate of R8 above?)
4, // G8
4, // B8
4, // G8 R8
4, // B8 G8
0, 0, 0 // Unknown formats
};
// Maximum number of bytes that can occur in a texture block-row generated by
// the encoder
static const UINT MAX_BYTES_PER_BLOCK_ROW = (EFB_WIDTH/4)*64;
// The maximum amount of data that the texture encoder can generate in one call
static const UINT MAX_BYTES_PER_ENCODE = MAX_BYTES_PER_BLOCK_ROW*(EFB_HEIGHT/4);
class TextureEncoder
{
public:
virtual ~TextureEncoder() { }
virtual void Init() = 0;
virtual void Shutdown() = 0;
// Returns size in bytes of encoded block of memory
virtual size_t Encode(u8* dst, unsigned int dstFormat,
unsigned int srcFormat, const EFBRectangle& srcRect, bool isIntensity,
bool scaleByHalf) = 0;
};
}
#endif