dolphin/Source/Core/VideoBackends/D3D/TextureCache.cpp

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "RenderBase.h"
#include "D3DBase.h"
#include "D3DUtil.h"
#include "FramebufferManager.h"
#include "PixelShaderCache.h"
#include "TextureCache.h"
#include "VertexShaderCache.h"
#include "TextureEncoder.h"
#include "PSTextureEncoder.h"
#include "HW/Memmap.h"
#include "VideoConfig.h"
#include "ImageWrite.h"
namespace DX11
{
static TextureEncoder* g_encoder = NULL;
const size_t MAX_COPY_BUFFERS = 32;
ID3D11Buffer* efbcopycbuf[MAX_COPY_BUFFERS] = { 0 };
TextureCache::TCacheEntry::~TCacheEntry()
{
texture->Release();
}
void TextureCache::TCacheEntry::Bind(unsigned int stage)
{
D3D::context->PSSetShaderResources(stage, 1, &texture->GetSRV());
}
bool TextureCache::TCacheEntry::Save(const std::string filename, unsigned int level)
{
// TODO: Somehow implement this (D3DX11 doesn't support dumping individual LODs)
static bool warn_once = true;
if (level && warn_once)
{
WARN_LOG(VIDEO, "Dumping individual LOD not supported by D3D11 backend!");
warn_once = false;
return false;
}
ID3D11Texture2D* pNewTexture = NULL;
ID3D11Texture2D* pSurface = texture->GetTex();
D3D11_TEXTURE2D_DESC desc;
pSurface->GetDesc(&desc);
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
desc.Usage = D3D11_USAGE_STAGING;
HRESULT hr = D3D::device->CreateTexture2D(&desc, NULL, &pNewTexture);
bool saved_png = false;
if (SUCCEEDED(hr) && pNewTexture)
{
D3D::context->CopyResource(pNewTexture, pSurface);
D3D11_MAPPED_SUBRESOURCE map;
HRESULT hr = D3D::context->Map(pNewTexture, 0, D3D11_MAP_READ_WRITE, 0, &map);
if (SUCCEEDED(hr))
{
saved_png = TextureToPng((u8*)map.pData, map.RowPitch, filename, desc.Width, desc.Height);
D3D::context->Unmap(pNewTexture, 0);
}
SAFE_RELEASE(pNewTexture);
}
return saved_png;
}
void TextureCache::TCacheEntry::Load(unsigned int width, unsigned int height,
unsigned int expanded_width, unsigned int level)
{
D3D::ReplaceRGBATexture2D(texture->GetTex(), TextureCache::temp, width, height, expanded_width, level, usage);
}
TextureCache::TCacheEntryBase* TextureCache::CreateTexture(unsigned int width,
unsigned int height, unsigned int expanded_width,
unsigned int tex_levels, PC_TexFormat pcfmt)
{
D3D11_USAGE usage = D3D11_USAGE_DEFAULT;
D3D11_CPU_ACCESS_FLAG cpu_access = (D3D11_CPU_ACCESS_FLAG)0;
D3D11_SUBRESOURCE_DATA srdata, *data = NULL;
if (tex_levels == 1)
{
usage = D3D11_USAGE_DYNAMIC;
cpu_access = D3D11_CPU_ACCESS_WRITE;
srdata.pSysMem = TextureCache::temp;
srdata.SysMemPitch = 4 * expanded_width;
data = &srdata;
}
const D3D11_TEXTURE2D_DESC texdesc = CD3D11_TEXTURE2D_DESC(DXGI_FORMAT_R8G8B8A8_UNORM,
width, height, 1, tex_levels, D3D11_BIND_SHADER_RESOURCE, usage, cpu_access);
ID3D11Texture2D *pTexture;
const HRESULT hr = D3D::device->CreateTexture2D(&texdesc, data, &pTexture);
CHECK(SUCCEEDED(hr), "Create texture of the TextureCache");
TCacheEntry* const entry = new TCacheEntry(new D3DTexture2D(pTexture, D3D11_BIND_SHADER_RESOURCE));
entry->usage = usage;
// TODO: better debug names
D3D::SetDebugObjectName((ID3D11DeviceChild*)entry->texture->GetTex(), "a texture of the TextureCache");
D3D::SetDebugObjectName((ID3D11DeviceChild*)entry->texture->GetSRV(), "shader resource view of a texture of the TextureCache");
SAFE_RELEASE(pTexture);
if (tex_levels != 1)
entry->Load(width, height, expanded_width, 0);
return entry;
}
void TextureCache::TCacheEntry::FromRenderTarget(u32 dstAddr, unsigned int dstFormat,
unsigned int srcFormat, const EFBRectangle& srcRect,
bool isIntensity, bool scaleByHalf, unsigned int cbufid,
const float *colmat)
{
if (type != TCET_EC_DYNAMIC || g_ActiveConfig.bCopyEFBToTexture)
{
g_renderer->ResetAPIState();
// stretch picture with increased internal resolution
const D3D11_VIEWPORT vp = CD3D11_VIEWPORT(0.f, 0.f, (float)virtual_width, (float)virtual_height);
D3D::context->RSSetViewports(1, &vp);
// set transformation
if (NULL == efbcopycbuf[cbufid])
{
const D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(28 * sizeof(float), D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DEFAULT);
D3D11_SUBRESOURCE_DATA data;
data.pSysMem = colmat;
HRESULT hr = D3D::device->CreateBuffer(&cbdesc, &data, &efbcopycbuf[cbufid]);
CHECK(SUCCEEDED(hr), "Create efb copy constant buffer %d", cbufid);
D3D::SetDebugObjectName((ID3D11DeviceChild*)efbcopycbuf[cbufid], "a constant buffer used in TextureCache::CopyRenderTargetToTexture");
}
D3D::context->PSSetConstantBuffers(0, 1, &efbcopycbuf[cbufid]);
const TargetRectangle targetSource = g_renderer->ConvertEFBRectangle(srcRect);
// TODO: try targetSource.asRECT();
const D3D11_RECT sourcerect = CD3D11_RECT(targetSource.left, targetSource.top, targetSource.right, targetSource.bottom);
// Use linear filtering if (bScaleByHalf), use point filtering otherwise
if (scaleByHalf)
D3D::SetLinearCopySampler();
else
D3D::SetPointCopySampler();
D3D::context->OMSetRenderTargets(1, &texture->GetRTV(), NULL);
// Create texture copy
D3D::drawShadedTexQuad(
(srcFormat == PIXELFMT_Z24) ? FramebufferManager::GetEFBDepthTexture()->GetSRV() : FramebufferManager::GetEFBColorTexture()->GetSRV(),
&sourcerect, Renderer::GetTargetWidth(), Renderer::GetTargetHeight(),
(srcFormat == PIXELFMT_Z24) ? PixelShaderCache::GetDepthMatrixProgram(true) : PixelShaderCache::GetColorMatrixProgram(true),
VertexShaderCache::GetSimpleVertexShader(), VertexShaderCache::GetSimpleInputLayout());
D3D::context->OMSetRenderTargets(1, &FramebufferManager::GetEFBColorTexture()->GetRTV(), FramebufferManager::GetEFBDepthTexture()->GetDSV());
g_renderer->RestoreAPIState();
}
if (!g_ActiveConfig.bCopyEFBToTexture)
{
u8* dst = Memory::GetPointer(dstAddr);
size_t encoded_size = g_encoder->Encode(dst, dstFormat, srcFormat, srcRect, isIntensity, scaleByHalf);
u64 hash = GetHash64(dst, (int)encoded_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
// Mark texture entries in destination address range dynamic unless caching is enabled and the texture entry is up to date
if (!g_ActiveConfig.bEFBCopyCacheEnable)
TextureCache::MakeRangeDynamic(addr, (u32)encoded_size);
else if (!TextureCache::Find(addr, hash))
TextureCache::MakeRangeDynamic(addr, (u32)encoded_size);
this->hash = hash;
}
}
TextureCache::TCacheEntryBase* TextureCache::CreateRenderTargetTexture(
unsigned int scaled_tex_w, unsigned int scaled_tex_h)
{
return new TCacheEntry(D3DTexture2D::Create(scaled_tex_w, scaled_tex_h,
(D3D11_BIND_FLAG)((int)D3D11_BIND_RENDER_TARGET | (int)D3D11_BIND_SHADER_RESOURCE),
D3D11_USAGE_DEFAULT, DXGI_FORMAT_R8G8B8A8_UNORM));
}
TextureCache::TextureCache()
{
// FIXME: Is it safe here?
g_encoder = new PSTextureEncoder;
g_encoder->Init();
}
TextureCache::~TextureCache()
{
for (unsigned int k = 0; k < MAX_COPY_BUFFERS; ++k)
SAFE_RELEASE(efbcopycbuf[k]);
g_encoder->Shutdown();
delete g_encoder;
g_encoder = NULL;
}
}