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https://github.com/dolphin-emu/dolphin.git
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269 lines
8.6 KiB
C++
269 lines
8.6 KiB
C++
// Copyright 2011 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "Core/HW/Memmap.h"
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#include "VideoBackends/D3D/D3DBase.h"
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#include "VideoBackends/D3D/D3DShader.h"
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#include "VideoBackends/D3D/D3DState.h"
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#include "VideoBackends/D3D/D3DUtil.h"
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#include "VideoBackends/D3D/FramebufferManager.h"
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#include "VideoBackends/D3D/PSTextureEncoder.h"
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#include "VideoBackends/D3D/Render.h"
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#include "VideoBackends/D3D/TextureCache.h"
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#include "VideoBackends/D3D/VertexShaderCache.h"
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#include "VideoCommon/TextureConversionShader.h"
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namespace DX11
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{
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struct EFBEncodeParams
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{
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DWORD SrcLeft;
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DWORD SrcTop;
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DWORD DestWidth;
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DWORD ScaleFactor;
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};
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PSTextureEncoder::PSTextureEncoder()
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: m_ready(false), m_out(nullptr), m_outRTV(nullptr), m_outStage(nullptr),
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m_encodeParams(nullptr)
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{
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}
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void PSTextureEncoder::Init()
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{
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m_ready = false;
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HRESULT hr;
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// Create output texture RGBA format
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D3D11_TEXTURE2D_DESC t2dd = CD3D11_TEXTURE2D_DESC(
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DXGI_FORMAT_B8G8R8A8_UNORM,
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EFB_WIDTH * 4, EFB_HEIGHT / 4, 1, 1, D3D11_BIND_RENDER_TARGET);
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hr = D3D::device->CreateTexture2D(&t2dd, nullptr, &m_out);
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CHECK(SUCCEEDED(hr), "create efb encode output texture");
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D3D::SetDebugObjectName(m_out, "efb encoder output texture");
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// Create output render target view
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D3D11_RENDER_TARGET_VIEW_DESC rtvd = CD3D11_RENDER_TARGET_VIEW_DESC(m_out,
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D3D11_RTV_DIMENSION_TEXTURE2D, DXGI_FORMAT_B8G8R8A8_UNORM);
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hr = D3D::device->CreateRenderTargetView(m_out, &rtvd, &m_outRTV);
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CHECK(SUCCEEDED(hr), "create efb encode output render target view");
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D3D::SetDebugObjectName(m_outRTV, "efb encoder output rtv");
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// Create output staging buffer
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t2dd.Usage = D3D11_USAGE_STAGING;
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t2dd.BindFlags = 0;
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t2dd.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
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hr = D3D::device->CreateTexture2D(&t2dd, nullptr, &m_outStage);
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CHECK(SUCCEEDED(hr), "create efb encode output staging buffer");
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D3D::SetDebugObjectName(m_outStage, "efb encoder output staging buffer");
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// Create constant buffer for uploading data to shaders
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D3D11_BUFFER_DESC bd = CD3D11_BUFFER_DESC(sizeof(EFBEncodeParams),
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D3D11_BIND_CONSTANT_BUFFER);
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hr = D3D::device->CreateBuffer(&bd, nullptr, &m_encodeParams);
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CHECK(SUCCEEDED(hr), "create efb encode params buffer");
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D3D::SetDebugObjectName(m_encodeParams, "efb encoder params buffer");
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m_ready = true;
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}
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void PSTextureEncoder::Shutdown()
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{
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m_ready = false;
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for (auto& it : m_staticShaders)
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{
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SAFE_RELEASE(it.second);
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}
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m_staticShaders.clear();
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SAFE_RELEASE(m_encodeParams);
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SAFE_RELEASE(m_outStage);
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SAFE_RELEASE(m_outRTV);
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SAFE_RELEASE(m_out);
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}
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size_t PSTextureEncoder::Encode(u8* dst, unsigned int dstFormat,
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PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
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bool isIntensity, bool scaleByHalf)
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{
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if (!m_ready) // Make sure we initialized OK
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return 0;
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// Clamp srcRect to 640x528. BPS: The Strike tries to encode an 800x600
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// texture, which is invalid.
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EFBRectangle correctSrc = srcRect;
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correctSrc.ClampUL(0, 0, EFB_WIDTH, EFB_HEIGHT);
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// Validate source rect size
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if (correctSrc.GetWidth() <= 0 || correctSrc.GetHeight() <= 0)
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return 0;
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HRESULT hr;
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unsigned int blockW = BLOCK_WIDTHS[dstFormat];
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unsigned int blockH = BLOCK_HEIGHTS[dstFormat];
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// Round up source dims to multiple of block size
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unsigned int actualWidth = correctSrc.GetWidth() / (scaleByHalf ? 2 : 1);
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actualWidth = (actualWidth + blockW-1) & ~(blockW-1);
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unsigned int actualHeight = correctSrc.GetHeight() / (scaleByHalf ? 2 : 1);
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actualHeight = (actualHeight + blockH-1) & ~(blockH-1);
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unsigned int numBlocksX = actualWidth/blockW;
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unsigned int numBlocksY = actualHeight/blockH;
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unsigned int cacheLinesPerRow;
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if (dstFormat == 0x6) // RGBA takes two cache lines per block; all others take one
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cacheLinesPerRow = numBlocksX*2;
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else
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cacheLinesPerRow = numBlocksX;
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_assert_msg_(VIDEO, cacheLinesPerRow*32 <= MAX_BYTES_PER_BLOCK_ROW, "cache lines per row sanity check");
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unsigned int totalCacheLines = cacheLinesPerRow * numBlocksY;
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_assert_msg_(VIDEO, totalCacheLines*32 <= MAX_BYTES_PER_ENCODE, "total encode size sanity check");
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size_t encodeSize = 0;
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// Reset API
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g_renderer->ResetAPIState();
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// Set up all the state for EFB encoding
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{
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D3D11_VIEWPORT vp = CD3D11_VIEWPORT(0.f, 0.f, FLOAT(cacheLinesPerRow * 8), FLOAT(numBlocksY));
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D3D::context->RSSetViewports(1, &vp);
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EFBRectangle fullSrcRect;
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fullSrcRect.left = 0;
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fullSrcRect.top = 0;
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fullSrcRect.right = EFB_WIDTH;
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fullSrcRect.bottom = EFB_HEIGHT;
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TargetRectangle targetRect = g_renderer->ConvertEFBRectangle(fullSrcRect);
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D3D::context->OMSetRenderTargets(1, &m_outRTV, nullptr);
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ID3D11ShaderResourceView* pEFB = (srcFormat == PEControl::Z24) ?
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FramebufferManager::GetResolvedEFBDepthTexture()->GetSRV() :
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// FIXME: Instead of resolving EFB, it would be better to pick out a
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// single sample from each pixel. The game may break if it isn't
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// expecting the blurred edges around multisampled shapes.
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FramebufferManager::GetResolvedEFBColorTexture()->GetSRV();
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EFBEncodeParams params;
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params.SrcLeft = correctSrc.left;
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params.SrcTop = correctSrc.top;
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params.DestWidth = actualWidth;
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params.ScaleFactor = scaleByHalf ? 2 : 1;
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D3D::context->UpdateSubresource(m_encodeParams, 0, nullptr, ¶ms, 0, 0);
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D3D::stateman->SetPixelConstants(m_encodeParams);
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// Use linear filtering if (bScaleByHalf), use point filtering otherwise
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if (scaleByHalf)
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D3D::SetLinearCopySampler();
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else
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D3D::SetPointCopySampler();
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D3D::drawShadedTexQuad(pEFB,
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targetRect.AsRECT(),
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Renderer::GetTargetWidth(),
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Renderer::GetTargetHeight(),
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SetStaticShader(dstFormat, srcFormat, isIntensity, scaleByHalf),
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VertexShaderCache::GetSimpleVertexShader(),
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VertexShaderCache::GetSimpleInputLayout());
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// Copy to staging buffer
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D3D11_BOX srcBox = CD3D11_BOX(0, 0, 0, cacheLinesPerRow * 8, numBlocksY, 1);
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D3D::context->CopySubresourceRegion(m_outStage, 0, 0, 0, 0, m_out, 0, &srcBox);
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// Transfer staging buffer to GameCube/Wii RAM
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D3D11_MAPPED_SUBRESOURCE map = { 0 };
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hr = D3D::context->Map(m_outStage, 0, D3D11_MAP_READ, 0, &map);
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CHECK(SUCCEEDED(hr), "map staging buffer (0x%x)", hr);
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u8* src = (u8*)map.pData;
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for (unsigned int y = 0; y < numBlocksY; ++y)
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{
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memcpy(dst, src, cacheLinesPerRow*32);
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dst += bpmem.copyMipMapStrideChannels*32;
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src += map.RowPitch;
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}
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D3D::context->Unmap(m_outStage, 0);
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encodeSize = bpmem.copyMipMapStrideChannels*32 * numBlocksY;
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}
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// Restore API
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g_renderer->RestoreAPIState();
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D3D::context->OMSetRenderTargets(1,
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&FramebufferManager::GetEFBColorTexture()->GetRTV(),
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FramebufferManager::GetEFBDepthTexture()->GetDSV());
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return encodeSize;
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}
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ID3D11PixelShader* PSTextureEncoder::SetStaticShader(unsigned int dstFormat, PEControl::PixelFormat srcFormat,
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bool isIntensity, bool scaleByHalf)
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{
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size_t fetchNum = static_cast<size_t>(srcFormat);
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size_t scaledFetchNum = scaleByHalf ? 1 : 0;
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size_t intensityNum = isIntensity ? 1 : 0;
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size_t generatorNum = dstFormat;
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ComboKey key = MakeComboKey(dstFormat, srcFormat, isIntensity, scaleByHalf);
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ComboMap::iterator it = m_staticShaders.find(key);
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if (it == m_staticShaders.end())
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{
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INFO_LOG(VIDEO, "Compiling efb encoding shader for dstFormat 0x%X, srcFormat %d, isIntensity %d, scaleByHalf %d",
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dstFormat, static_cast<int>(srcFormat), isIntensity ? 1 : 0, scaleByHalf ? 1 : 0);
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u32 format = dstFormat;
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if (srcFormat == PEControl::Z24)
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{
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format |= _GX_TF_ZTF;
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if (dstFormat == 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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{
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if (dstFormat > GX_TF_RGBA8 || (dstFormat < GX_TF_RGB565 && !isIntensity))
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format |= _GX_TF_CTF;
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}
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D3DBlob* bytecode = nullptr;
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const char* shader = TextureConversionShader::GenerateEncodingShader(format, API_D3D);
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if (!D3D::CompilePixelShader(shader, &bytecode))
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{
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WARN_LOG(VIDEO, "EFB encoder shader for dstFormat 0x%X, srcFormat %d, isIntensity %d, scaleByHalf %d failed to compile",
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dstFormat, static_cast<int>(srcFormat), isIntensity ? 1 : 0, scaleByHalf ? 1 : 0);
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m_staticShaders[key] = nullptr;
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return nullptr;
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}
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ID3D11PixelShader* newShader;
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HRESULT hr = D3D::device->CreatePixelShader(bytecode->Data(), bytecode->Size(), nullptr, &newShader);
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CHECK(SUCCEEDED(hr), "create efb encoder pixel shader");
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char debugName[255] = {};
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sprintf_s(debugName, "efb encoder pixel shader (dst:%d, src:%d, intensity:%d, scale:%d)",
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dstFormat, srcFormat, isIntensity, scaleByHalf);
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D3D::SetDebugObjectName(newShader, debugName);
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it = m_staticShaders.insert(std::make_pair(key, newShader)).first;
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bytecode->Release();
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}
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return it->second;
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}
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}
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