464 lines
14 KiB
C++
464 lines
14 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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// Fast image conversion using OpenGL shaders.
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// This kind of stuff would be a LOT nicer with OpenCL.
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#include "TextureConverter.h"
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#include "TextureConversionShader.h"
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#include "PixelShaderCache.h"
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#include "VertexShaderManager.h"
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#include "VertexShaderCache.h"
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#include "FramebufferManager.h"
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#include "Globals.h"
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#include "VideoConfig.h"
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#include "ImageWrite.h"
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#include "Render.h"
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#include "D3DBase.h"
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#include "D3DTexture.h"
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#include "D3DUtil.h"
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#include "D3DShader.h"
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#include "TextureCache.h"
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#include "Math.h"
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namespace TextureConverter
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{
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struct TransformBuffer
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{
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LPDIRECT3DTEXTURE9 FBTexture;
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LPDIRECT3DSURFACE9 RenderSurface;
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LPDIRECT3DSURFACE9 ReadSurface;
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int Width;
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int Height;
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};
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const u32 NUM_TRANSFORM_BUFFERS = 16;
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static TransformBuffer TrnBuffers[NUM_TRANSFORM_BUFFERS];
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static u32 WorkingBuffers = 0;
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static LPDIRECT3DPIXELSHADER9 s_rgbToYuyvProgram = NULL;
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static LPDIRECT3DPIXELSHADER9 s_yuyvToRgbProgram = NULL;
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// Not all slots are taken - but who cares.
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const u32 NUM_ENCODING_PROGRAMS = 64;
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static LPDIRECT3DPIXELSHADER9 s_encodingPrograms[NUM_ENCODING_PROGRAMS];
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void CreateRgbToYuyvProgram()
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{
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// Output is BGRA because that is slightly faster than RGBA.
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const char *FProgram =
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"uniform sampler samp0 : register(s0);\n"
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"void main(\n"
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" out float4 ocol0 : COLOR0,\n"
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" in float2 uv0 : TEXCOORD0)\n"
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"{\n"
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" float2 uv1 = float2(uv0.x + 1.0f, uv0.y);\n"
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" float3 c0 = tex2D(samp0, uv0).rgb;\n"
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" float3 c1 = tex2D(samp0, uv1).rgb;\n"
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" float3 y_const = float3(0.257f,0.504f,0.098f);\n"
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" float3 u_const = float3(-0.148f,-0.291f,0.439f);\n"
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" float3 v_const = float3(0.439f,-0.368f,-0.071f);\n"
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" float4 const3 = float4(0.0625f,0.5f,0.0625f,0.5f);\n"
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" float3 c01 = (c0 + c1) * 0.5f;\n"
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" ocol0 = float4(dot(c1,y_const),dot(c01,u_const),dot(c0,y_const),dot(c01, v_const)) + const3;\n"
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"}\n";
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s_rgbToYuyvProgram = D3D::CompilePixelShader(FProgram, (int)strlen(FProgram));
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if (!s_rgbToYuyvProgram) {
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ERROR_LOG(VIDEO, "Failed to create RGB to YUYV fragment program");
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}
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}
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void CreateYuyvToRgbProgram()
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{
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const char *FProgram =
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"uniform sampler samp0 : register(s0);\n"
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"void main(\n"
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" out float4 ocol0 : COLOR0,\n"
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" in float2 uv0 : TEXCOORD0)\n"
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"{\n"
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" float4 c0 = tex2D(samp0, uv0).rgba;\n"
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" float f = step(0.5, frac(uv0.x));\n"
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" float y = lerp(c0.b, c0.r, f);\n"
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" float yComp = 1.164f * (y - 0.0625f);\n"
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" float uComp = c0.g - 0.5f;\n"
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" float vComp = c0.a - 0.5f;\n"
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" ocol0 = float4(yComp + (1.596f * vComp),\n"
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" yComp - (0.813f * vComp) - (0.391f * uComp),\n"
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" yComp + (2.018f * uComp),\n"
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" 1.0f);\n"
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"}\n";
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s_yuyvToRgbProgram = D3D::CompilePixelShader(FProgram, (int)strlen(FProgram));
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if (!s_yuyvToRgbProgram) {
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ERROR_LOG(VIDEO, "Failed to create YUYV to RGB fragment program");
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}
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}
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LPDIRECT3DPIXELSHADER9 GetOrCreateEncodingShader(u32 format)
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{
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if (format > NUM_ENCODING_PROGRAMS)
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{
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PanicAlert("Unknown texture copy format: 0x%x\n", format);
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return s_encodingPrograms[0];
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}
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if (!s_encodingPrograms[format])
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{
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const char* shader = TextureConversionShader::GenerateEncodingShader(format,true);
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#if defined(_DEBUG) || defined(DEBUGFAST)
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if (g_ActiveConfig.iLog & CONF_SAVESHADERS && shader) {
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static int counter = 0;
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char szTemp[MAX_PATH];
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sprintf(szTemp, "%s/enc_%04i.txt", FULL_DUMP_DIR, counter++);
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SaveData(szTemp, shader);
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}
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#endif
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s_encodingPrograms[format] = D3D::CompilePixelShader(shader, (int)strlen(shader));
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if (!s_encodingPrograms[format]) {
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ERROR_LOG(VIDEO, "Failed to create encoding fragment program");
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}
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}
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return s_encodingPrograms[format];
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}
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void Init()
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{
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for (unsigned int i = 0; i < NUM_ENCODING_PROGRAMS; i++)
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{
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s_encodingPrograms[i] = NULL;
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}
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for (unsigned int i = 0; i < NUM_TRANSFORM_BUFFERS; i++)
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{
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TrnBuffers[i].FBTexture = NULL;
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TrnBuffers[i].RenderSurface = NULL;
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TrnBuffers[i].ReadSurface = NULL;
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TrnBuffers[i].Width = 0;
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TrnBuffers[i].Height = 0;
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}
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CreateRgbToYuyvProgram();
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CreateYuyvToRgbProgram();
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}
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void Shutdown()
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{
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if(s_rgbToYuyvProgram)
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s_rgbToYuyvProgram->Release();
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s_rgbToYuyvProgram = NULL;
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if(s_yuyvToRgbProgram)
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s_yuyvToRgbProgram->Release();
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s_yuyvToRgbProgram=NULL;
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for (unsigned int i = 0; i < NUM_ENCODING_PROGRAMS; i++)
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{
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if(s_encodingPrograms[i])
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s_encodingPrograms[i]->Release();
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s_encodingPrograms[i] = NULL;
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}
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for (unsigned int i = 0; i < NUM_TRANSFORM_BUFFERS; i++)
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{
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if(TrnBuffers[i].RenderSurface != NULL)
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TrnBuffers[i].RenderSurface->Release();
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TrnBuffers[i].RenderSurface = NULL;
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if(TrnBuffers[i].ReadSurface != NULL)
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TrnBuffers[i].ReadSurface->Release();
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TrnBuffers[i].ReadSurface = NULL;
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if(TrnBuffers[i].FBTexture != NULL)
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TrnBuffers[i].FBTexture->Release();
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TrnBuffers[i].FBTexture = NULL;
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TrnBuffers[i].Width = 0;
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TrnBuffers[i].Height = 0;
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}
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WorkingBuffers = 0;
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}
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void EncodeToRamUsingShader(LPDIRECT3DPIXELSHADER9 shader, LPDIRECT3DTEXTURE9 srcTexture, const TargetRectangle& sourceRc,
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u8* destAddr, int dstWidth, int dstHeight, int readStride, bool toTexture, bool linearFilter)
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{
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HRESULT hr;
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Renderer::ResetAPIState();
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u32 index =0;
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while(index < WorkingBuffers && (TrnBuffers[index].Width != dstWidth || TrnBuffers[index].Height != dstHeight))
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index++;
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LPDIRECT3DSURFACE9 s_texConvReadSurface = NULL;
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LPDIRECT3DSURFACE9 Rendersurf = NULL;
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if(index >= WorkingBuffers)
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{
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if(WorkingBuffers < NUM_TRANSFORM_BUFFERS)
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WorkingBuffers++;
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if(index >= WorkingBuffers)
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index--;
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if(TrnBuffers[index].RenderSurface != NULL)
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{
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TrnBuffers[index].RenderSurface->Release();
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TrnBuffers[index].RenderSurface = NULL;
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}
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if(TrnBuffers[index].ReadSurface != NULL)
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{
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TrnBuffers[index].ReadSurface->Release();
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TrnBuffers[index].ReadSurface = NULL;
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}
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if(TrnBuffers[index].FBTexture != NULL)
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{
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TrnBuffers[index].FBTexture->Release();
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TrnBuffers[index].FBTexture = NULL;
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}
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TrnBuffers[index].Width = dstWidth;
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TrnBuffers[index].Height = dstHeight;
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D3D::dev->CreateTexture(dstWidth, dstHeight, 1, D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
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D3DPOOL_DEFAULT, &TrnBuffers[index].FBTexture, NULL);
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TrnBuffers[index].FBTexture->GetSurfaceLevel(0,&TrnBuffers[index].RenderSurface);
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D3D::dev->CreateOffscreenPlainSurface(dstWidth, dstHeight, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &TrnBuffers[index].ReadSurface, NULL );
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}
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s_texConvReadSurface = TrnBuffers[index].ReadSurface;
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Rendersurf = TrnBuffers[index].RenderSurface;
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hr = D3D::dev->SetDepthStencilSurface(NULL);
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hr = D3D::dev->SetRenderTarget(0, Rendersurf);
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if (linearFilter)
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{
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D3D::dev->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
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}
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else
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{
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D3D::dev->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
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}
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D3DVIEWPORT9 vp;
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vp.X = 0;
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vp.Y = 0;
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vp.Width = dstWidth;
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vp.Height = dstHeight;
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vp.MinZ = 0.0f;
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vp.MaxZ = 1.0f;
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hr = D3D::dev->SetViewport(&vp);
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RECT SrcRect;
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SrcRect.top = sourceRc.top;
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SrcRect.left = sourceRc.left;
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SrcRect.right = sourceRc.right;
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SrcRect.bottom = sourceRc.bottom;
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RECT DstRect;
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DstRect.top = 0;
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DstRect.left = 0;
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DstRect.right = dstWidth;
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DstRect.bottom = dstHeight;
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// Draw...
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D3D::drawShadedTexQuad(srcTexture,&SrcRect,1,1,&DstRect,shader,VertexShaderCache::GetSimpleVertexShader());
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hr = D3D::dev->SetRenderTarget(0, FBManager::GetEFBColorRTSurface());
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hr = D3D::dev->SetDepthStencilSurface(FBManager::GetEFBDepthRTSurface());
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Renderer::RestoreAPIState();
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D3D::RefreshSamplerState(0, D3DSAMP_MINFILTER);
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// .. and then readback the results.
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// TODO: make this less slow.
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D3DLOCKED_RECT drect;
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hr = D3D::dev->GetRenderTargetData(Rendersurf,s_texConvReadSurface);
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if((hr = s_texConvReadSurface->LockRect(&drect, &DstRect, D3DLOCK_READONLY)) != D3D_OK)
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{
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PanicAlert("ERROR: %s", hr == D3DERR_WASSTILLDRAWING ? "Still drawing" :
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hr == D3DERR_INVALIDCALL ? "Invalid call" : "w00t");
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}
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else
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{
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int writeStride = bpmem.copyMipMapStrideChannels * 32;
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if (writeStride != readStride && toTexture)
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{
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// writing to a texture of a different size
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int readHeight = readStride / dstWidth;
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int readStart = 0;
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int readLoops = dstHeight / (readHeight/4); // 4 bytes per pixel
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u8 *Source = (u8*)drect.pBits;
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for (int i = 0; i < readLoops; i++)
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{
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int readDist = dstWidth*readHeight;
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memcpy(destAddr,Source,readDist);
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Source += readDist;
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destAddr += writeStride;
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}
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}
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else
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memcpy(destAddr,drect.pBits,dstWidth*dstHeight*4);// 4 bytes per pixel
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hr = s_texConvReadSurface->UnlockRect();
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}
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}
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void EncodeToRam(u32 address, bool bFromZBuffer, bool bIsIntensityFmt, u32 copyfmt, int bScaleByHalf, const EFBRectangle& source)
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{
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u32 format = copyfmt;
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if (bFromZBuffer)
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{
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format |= _GX_TF_ZTF;
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if (copyfmt == 11)
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format = GX_TF_Z16;
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else if (format < GX_TF_Z8 || format > GX_TF_Z24X8)
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format |= _GX_TF_CTF;
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}
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else
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if (copyfmt > GX_TF_RGBA8 || (copyfmt < GX_TF_RGB565 && !bIsIntensityFmt))
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format |= _GX_TF_CTF;
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LPDIRECT3DPIXELSHADER9 texconv_shader = GetOrCreateEncodingShader(format);
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if (!texconv_shader)
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return;
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u8 *dest_ptr = Memory_GetPtr(address);
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LPDIRECT3DTEXTURE9 source_texture = bFromZBuffer ? FBManager::GetEFBDepthTexture(source) : FBManager::GetEFBColorTexture(source);
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int width = (source.right - source.left) >> bScaleByHalf;
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int height = (source.bottom - source.top) >> bScaleByHalf;
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int size_in_bytes = TexDecoder_GetTextureSizeInBytes(width, height, format);
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// Invalidate any existing texture covering this memory range.
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// TODO - don't delete the texture if it already exists, just replace the contents.
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TextureCache::InvalidateRange(address, size_in_bytes);
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u16 blkW = TexDecoder_GetBlockWidthInTexels(format) - 1;
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u16 blkH = TexDecoder_GetBlockHeightInTexels(format) - 1;
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u16 samples = TextureConversionShader::GetEncodedSampleCount(format);
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// only copy on cache line boundaries
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// extra pixels are copied but not displayed in the resulting texture
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s32 expandedWidth = (width + blkW) & (~blkW);
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s32 expandedHeight = (height + blkH) & (~blkH);
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float MValueX = Renderer::GetTargetScaleX();
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float MValueY = Renderer::GetTargetScaleY();
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float sampleStride = bScaleByHalf?2.0f:1.0f;
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TextureConversionShader::SetShaderParameters(
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(float)expandedWidth,
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expandedHeight * MValueY,
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source.left * MValueX,
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source.top * MValueY,
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sampleStride * MValueX,
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sampleStride * MValueY,
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(float)Renderer::GetTargetWidth(),
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(float)Renderer::GetTargetHeight());
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TargetRectangle scaledSource;
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scaledSource.top = 0;
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scaledSource.bottom = expandedHeight;
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scaledSource.left = 0;
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scaledSource.right = expandedWidth / samples;
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int cacheBytes = 32;
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if ((format & 0x0f) == 6)
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cacheBytes = 64;
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int readStride = (expandedWidth * cacheBytes) / TexDecoder_GetBlockWidthInTexels(format);
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EncodeToRamUsingShader(texconv_shader, source_texture, scaledSource, dest_ptr, expandedWidth / samples, expandedHeight,readStride, true, bScaleByHalf > 0);
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}
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/*void EncodeToRamYUYV(GLuint srcTexture, const TargetRectangle& sourceRc,
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u8* destAddr, int dstWidth, int dstHeight)
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{
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EncodeToRamUsingShader(s_rgbToYuyvProgram, srcTexture, sourceRc, destAddr, dstWidth / 2, dstHeight, 0, false, false);
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}
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// Should be scale free.
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void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destTexture)
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{
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u8* srcAddr = Memory_GetPtr(xfbAddr);
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if (!srcAddr)
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{
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WARN_LOG(VIDEO, "Tried to decode from invalid memory address");
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return;
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}
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Renderer::ResetAPIState();
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float srcFormatFactor = 0.5f;
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float srcFmtWidth = srcWidth * srcFormatFactor;
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// swich to texture converter frame buffer
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// attach destTexture as color destination
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g_framebufferManager.SetFramebuffer(s_texConvFrameBuffer);
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glBindTexture(GL_TEXTURE_RECTANGLE_ARB, destTexture);
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glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, destTexture, 0);
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GL_REPORT_FBO_ERROR();
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for (int i = 1; i < 8; ++i)
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TextureMngr::DisableStage(i);
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// activate source texture
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// set srcAddr as data for source texture
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glActiveTexture(GL_TEXTURE0);
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glEnable(GL_TEXTURE_RECTANGLE_ARB);
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glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_srcTexture);
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// TODO: make this less slow. (How?)
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if(s_srcTextureWidth == (GLsizei)srcFmtWidth && s_srcTextureHeight == (GLsizei)srcHeight)
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{
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glTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 0,0,0,s_srcTextureWidth, s_srcTextureHeight, GL_BGRA, GL_UNSIGNED_BYTE, srcAddr);
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}
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else
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{
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glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, (GLsizei)srcFmtWidth, (GLsizei)srcHeight, 0, GL_BGRA, GL_UNSIGNED_BYTE, srcAddr);
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s_srcTextureWidth = (GLsizei)srcFmtWidth;
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s_srcTextureHeight = (GLsizei)srcHeight;
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}
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glViewport(0, 0, srcWidth, srcHeight);
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PixelShaderCache::EnableShader(s_yuyvToRgbProgram.glprogid);
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GL_REPORT_ERRORD();
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glBegin(GL_QUADS);
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glTexCoord2f(srcFmtWidth, (float)srcHeight); glVertex2f(1,-1);
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glTexCoord2f(srcFmtWidth, 0); glVertex2f(1,1);
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glTexCoord2f(0, 0); glVertex2f(-1,1);
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glTexCoord2f(0, (float)srcHeight); glVertex2f(-1,-1);
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glEnd();
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// reset state
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glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
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glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, 0, 0);
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TextureMngr::DisableStage(0);
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VertexShaderManager::SetViewportChanged();
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g_framebufferManager.SetFramebuffer(0);
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|
|
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Renderer::RestoreAPIState();
|
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GL_REPORT_ERRORD();
|
|
}
|
|
*/
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} // namespace
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