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flycast/core/rend/dx11/dx11_renderer.cpp

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/*
Copyright 2021 flyinghead
This file is part of Flycast.
Flycast 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, either version 2 of the License, or
(at your option) any later version.
Flycast 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 for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#include "dx11_renderer.h"
#include "dx11context.h"
#include "hw/pvr/ta.h"
#include "hw/pvr/pvr_mem.h"
#include "rend/gui.h"
#include "rend/tileclip.h"
const D3D11_INPUT_ELEMENT_DESC MainLayout[]
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, (UINT)offsetof(Vertex, x), D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_B8G8R8A8_UNORM, 0, (UINT)offsetof(Vertex, col), D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 1, DXGI_FORMAT_B8G8R8A8_UNORM, 0, (UINT)offsetof(Vertex, spc), D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (UINT)offsetof(Vertex, u), D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
const D3D11_INPUT_ELEMENT_DESC ModVolLayout[]
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, (UINT)offsetof(ModTriangle, x0), D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
bool DX11Renderer::Init()
{
NOTICE_LOG(RENDERER, "DX11 renderer initializing");
device = theDX11Context.getDevice();
deviceContext = theDX11Context.getDeviceContext();
shaders = &theDX11Context.getShaders();
samplers = &theDX11Context.getSamplers();
bool success = (bool)shaders->getVertexShader(true);
ComPtr<ID3DBlob> blob = shaders->getVertexShaderBlob();
success = success && SUCCEEDED(device->CreateInputLayout(MainLayout, ARRAY_SIZE(MainLayout), blob->GetBufferPointer(), blob->GetBufferSize(), &mainInputLayout.get()));
blob = shaders->getMVVertexShaderBlob();
success = success && SUCCEEDED(device->CreateInputLayout(ModVolLayout, ARRAY_SIZE(ModVolLayout), blob->GetBufferPointer(), blob->GetBufferSize(), &modVolInputLayout.get()));
// Constants buffers
{
D3D11_BUFFER_DESC desc{};
desc.ByteWidth = sizeof(VertexConstants);
desc.ByteWidth = (((desc.ByteWidth - 1) >> 4) + 1) << 4;
desc.Usage = D3D11_USAGE_DYNAMIC;
desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
success = success && SUCCEEDED(device->CreateBuffer(&desc, nullptr, &vtxConstants.get()));
desc.ByteWidth = sizeof(PixelConstants);
desc.ByteWidth = (((desc.ByteWidth - 1) >> 4) + 1) << 4;
success = success && SUCCEEDED(device->CreateBuffer(&desc, nullptr, &pxlConstants.get()));
desc.ByteWidth = sizeof(PixelPolyConstants);
desc.ByteWidth = (((desc.ByteWidth - 1) >> 4) + 1) << 4;
success = success && SUCCEEDED(device->CreateBuffer(&desc, nullptr, &pxlPolyConstants.get()));
}
// Rasterizer state
{
D3D11_RASTERIZER_DESC desc{};
desc.FillMode = D3D11_FILL_SOLID;
desc.CullMode = D3D11_CULL_NONE;
desc.FrontCounterClockwise = true;
desc.ScissorEnable = true;
desc.DepthClipEnable = false;
device->CreateRasterizerState(&desc, &rasterCullNone.get());
desc.CullMode = D3D11_CULL_FRONT;
device->CreateRasterizerState(&desc, &rasterCullFront.get());
desc.CullMode = D3D11_CULL_BACK;
device->CreateRasterizerState(&desc, &rasterCullBack.get());
}
// Palette texture
{
D3D11_TEXTURE2D_DESC desc{};
desc.Width = 32;
desc.Height = 32;
desc.ArraySize = 1;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.MipLevels = 1;
device->CreateTexture2D(&desc, nullptr, &paletteTexture.get());
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc{};
viewDesc.Format = desc.Format;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipLevels = 1;
device->CreateShaderResourceView(paletteTexture, &viewDesc, &paletteTextureView.get());
}
// Fog texture
{
D3D11_TEXTURE2D_DESC desc{};
desc.Width = 128;
desc.Height = 2;
desc.ArraySize = 1;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.Format = DXGI_FORMAT_A8_UNORM;
desc.MipLevels = 1;
device->CreateTexture2D(&desc, nullptr, &fogTexture.get());
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc{};
viewDesc.Format = desc.Format;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipLevels = 1;
device->CreateShaderResourceView(fogTexture, &viewDesc, &fogTextureView.get());
}
// White texture
{
D3D11_TEXTURE2D_DESC desc{};
desc.Width = 8;
desc.Height = 8;
desc.ArraySize = 1;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.MipLevels = 1;
device->CreateTexture2D(&desc, nullptr, &whiteTexture.get());
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc{};
viewDesc.Format = desc.Format;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipLevels = 1;
device->CreateShaderResourceView(whiteTexture, &viewDesc, &whiteTextureView.get());
u32 texData[8 * 8];
memset(texData, 0xff, sizeof(texData));
deviceContext->UpdateSubresource(whiteTexture, 0, nullptr, texData, 8 * sizeof(u32), 8 * sizeof(u32) * 8);
}
quad = std::unique_ptr<Quad>(new Quad());
quad->init(device, deviceContext, shaders);
fog_needs_update = true;
forcePaletteUpdate();
if (!success)
{
WARN_LOG(RENDERER, "DirectX 11 renderer initialization failed");
Term();
}
frameRendered = false;
return success;
}
void DX11Renderer::Term()
{
NOTICE_LOG(RENDERER, "DX11 renderer terminating");
vtxConstants.reset();
pxlConstants.reset();
fbTex.reset();
fbTextureView.reset();
fbRenderTarget.reset();
quad.reset();
deviceContext.reset();
device.reset();
}
void DX11Renderer::createDepthTexAndView(ComPtr<ID3D11Texture2D>& texture, ComPtr<ID3D11DepthStencilView>& view, int width, int height, DXGI_FORMAT format, UINT bindFlags)
{
view.reset();
texture.reset();
D3D11_TEXTURE2D_DESC desc{};
desc.Width = width;
desc.Height = height;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = format;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_DEPTH_STENCIL | bindFlags;
HRESULT hr = device->CreateTexture2D(&desc, nullptr, &texture.get());
if (FAILED(hr))
WARN_LOG(RENDERER, "Depth/stencil creation failed");
// Create the depth stencil view
D3D11_DEPTH_STENCIL_VIEW_DESC viewDesc{};
viewDesc.Format = format == DXGI_FORMAT_R32G8X24_TYPELESS ? DXGI_FORMAT_D32_FLOAT_S8X24_UINT : DXGI_FORMAT_D24_UNORM_S8_UINT;
viewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
hr = device->CreateDepthStencilView(texture, &viewDesc, &view.get());
if (FAILED(hr))
WARN_LOG(RENDERER, "Depth/stencil view creation failed");
}
void DX11Renderer::createTexAndRenderTarget(ComPtr<ID3D11Texture2D>& texture, ComPtr<ID3D11RenderTargetView>& renderTarget, int width, int height)
{
texture.reset();
renderTarget.reset();
D3D11_TEXTURE2D_DESC desc{};
desc.Width = width;
desc.Height = height;
desc.ArraySize = 1;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.MipLevels = 1;
HRESULT hr = device->CreateTexture2D(&desc, nullptr, &texture.get());
if (FAILED(hr))
{
WARN_LOG(RENDERER, "Framebuffer texture creation failed");
return;
}
hr = device->CreateRenderTargetView(texture, nullptr, &renderTarget.get());
if (FAILED(hr))
{
WARN_LOG(RENDERER, "Framebuffer render target creation failed");
return;
}
FLOAT black[4] = { 0.f, 0.f, 0.f, 0.f };
deviceContext->ClearRenderTargetView(renderTarget, black);
}
void DX11Renderer::Resize(int w, int h)
{
if (width == (u32)w && height == (u32)h)
return;
width = w;
height = h;
// Create framebuffer texture
{
fbTextureView.reset();
createTexAndRenderTarget(fbTex, fbRenderTarget, width, height);
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc{};
viewDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipLevels = 1;
device->CreateShaderResourceView(fbTex, &viewDesc, &fbTextureView.get());
}
// Create depth stencil texture
createDepthTexAndView(depthTex, depthTexView, width, height);
frameRendered = false;
frameRenderedOnce = false;
}
bool DX11Renderer::ensureBufferSize(ComPtr<ID3D11Buffer>& buffer, D3D11_BIND_FLAG bind, u32& currentSize, u32 minSize)
{
if (minSize <= currentSize && buffer)
return true;
if (currentSize == 0)
currentSize = minSize;
else
while (currentSize < minSize)
currentSize *= 2;
buffer.reset();
D3D11_BUFFER_DESC desc{};
desc.ByteWidth = currentSize;
desc.Usage = D3D11_USAGE_DYNAMIC;
desc.BindFlags = bind;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
return SUCCEEDED(device->CreateBuffer(&desc, nullptr, &buffer.get()));
}
BaseTextureCacheData *DX11Renderer::GetTexture(TSP tsp, TCW tcw)
{
//lookup texture
DX11Texture* tf = texCache.getTextureCacheData(tsp, tcw);
if (tf->texture == nullptr)
tf->Create();
//update if needed
if (tf->NeedsUpdate())
tf->Update();
else
{
if (tf->IsCustomTextureAvailable())
{
texCache.DeleteLater(tf->texture);
tf->texture.reset();
// FIXME textureView
tf->loadCustomTexture();
}
}
return tf;
}
bool DX11Renderer::Process(TA_context* ctx)
{
if (KillTex)
texCache.Clear();
texCache.Cleanup();
if (ctx->rend.isRenderFramebuffer)
{
readDCFramebuffer();
}
else
{
if (!ta_parse_vdrc(ctx, true))
return false;
}
return true;
}
//
// Efficient Triangle and Quadrilateral Clipping within Shaders. M. McGuire
// Journal of Graphics GPU and Game Tools <20> November 2011
//
static glm::vec3 intersect(const glm::vec3& A, float Adist , const glm::vec3& B, float Bdist)
{
return (A * std::abs(Bdist) + B * std::abs(Adist)) / (std::abs(Adist) + std::abs(Bdist));
}
// Clip the triangle 'trig' with respect to the plane defined by the given point and normal vector.
static int sutherlandHodgmanClip(const glm::vec2& point, const glm::vec2& normal, ModTriangle& trig, ModTriangle& newTrig)
{
constexpr float clipEpsilon = 0.f; //0.00001;
constexpr float clipEpsilon2 = 0.f; //0.01;
glm::vec3 v0(trig.x0, trig.y0, trig.z0);
glm::vec3 v1(trig.x1, trig.y1, trig.z1);
glm::vec3 v2(trig.x2, trig.y2, trig.z2);
glm::vec3 dist = glm::vec3(
glm::dot(glm::vec2(v0) - point, normal),
glm::dot(glm::vec2(v1) - point, normal),
glm::dot(glm::vec2(v2) - point, normal));
if (!glm::any(glm::greaterThanEqual(dist , glm::vec3(clipEpsilon2))))
// all clipped
return 0;
if (glm::all(glm::greaterThanEqual(dist , glm::vec3(-clipEpsilon))))
// none clipped
return 3;
// There are either 1 or 2 vertices above the clipping plane.
glm::bvec3 above = glm::greaterThanEqual(dist, glm::vec3(0.f));
bool nextIsAbove;
glm::vec3 v3;
// Find the CCW-most vertex above the plane.
if (above[1] && !above[0])
{
// Cycle once CCW. Use v3 as a temp
nextIsAbove = above[2];
v3 = v0;
v0 = v1;
v1 = v2;
v2 = v3;
dist = glm::vec3(dist.y, dist.z, dist.x);
}
else if (above[2] && !above[1])
{
// Cycle once CW. Use v3 as a temp.
nextIsAbove = above[0];
v3 = v2;
v2 = v1;
v1 = v0;
v0 = v3;
dist = glm::vec3(dist.z, dist.x, dist.y);
}
else
nextIsAbove = above[1];
trig.x0 = v0.x;
trig.y0 = v0.y;
trig.z0 = v0.z;
// We always need to clip v2-v0.
v3 = intersect(v0, dist[0], v2, dist[2]);
if (nextIsAbove)
{
v2 = intersect(v1, dist[1], v2, dist[2]);
trig.x1 = v1.x;
trig.y1 = v1.y;
trig.z1 = v1.z;
trig.x2 = v2.x;
trig.y2 = v2.y;
trig.z2 = v2.z;
newTrig.x0 = v0.x;
newTrig.y0 = v0.y;
newTrig.z0 = v0.z;
newTrig.x1 = v2.x;
newTrig.y1 = v2.y;
newTrig.z1 = v2.z;
newTrig.x2 = v3.x;
newTrig.y2 = v3.y;
newTrig.z2 = v3.z;
return 4;
}
else
{
v1 = intersect(v0, dist[0], v1, dist[1]);
trig.x1 = v1.x;
trig.y1 = v1.y;
trig.z1 = v1.z;
trig.x2 = v3.x;
trig.y2 = v3.y;
trig.z2 = v3.z;
return 3;
}
}
static void clipModVols(List<ModifierVolumeParam>& params, std::vector<ModTriangle>& triangles)
{
for (ModifierVolumeParam& param : params)
{
std::vector<ModTriangle> trigs(&pvrrc.modtrig.head()[param.first], &pvrrc.modtrig.head()[param.first + param.count]);
std::vector<ModTriangle> nextTrigs;
nextTrigs.reserve(trigs.size());
for (int axis = 0; axis < 4; axis++)
{
glm::vec2 point;
glm::vec2 normal;
switch (axis)
{
case 0: // left
point = glm::vec2(-6400.f, 0.f);
normal = glm::vec2(1.f, 0.f);
break;
case 1: // top
point = glm::vec2(0.f, -4800.f);
normal = glm::vec2(0.f, 1.f);
break;
case 2: // right
point = glm::vec2(7040.f, 0.f);
normal = glm::vec2(-1.f, 0.f);
break;
case 3: // bottom
point = glm::vec2(-0.f, 5280.f);
normal = glm::vec2(0.f, -1.f);
break;
}
for (ModTriangle& trig : trigs)
{
ModTriangle newTrig;
int size = sutherlandHodgmanClip(point, normal, trig, newTrig);
if (size > 0)
{
nextTrigs.push_back(trig);
if (size == 4)
nextTrigs.push_back(newTrig);
}
}
std::swap(trigs, nextTrigs);
nextTrigs.clear();
}
param.first = (u32)triangles.size();
param.count = (u32)trigs.size();
triangles.insert(triangles.end(), trigs.begin(), trigs.end());
}
}
void DX11Renderer::configVertexShader()
{
matrices.CalcMatrices(&pvrrc, width, height);
setBaseScissor();
if (pvrrc.isRTT)
{
prepareRttRenderTarget(FB_W_SOF1 & VRAM_MASK);
}
else
{
D3D11_VIEWPORT vp{};
vp.Width = (FLOAT)width;
vp.Height = (FLOAT)height;
vp.MinDepth = 0.f;
vp.MaxDepth = 1.f;
deviceContext->RSSetViewports(1, &vp);
}
VertexConstants constant{};
memcpy(&constant.transMatrix, &matrices.GetNormalMatrix(), sizeof(constant.transMatrix));
constant.leftPlane[0] = 1;
constant.leftPlane[3] = 1;
constant.rightPlane[0] = -1;
constant.rightPlane[3] = 1;
constant.topPlane[1] = 1;
constant.topPlane[3] = 1;
constant.bottomPlane[1] = -1;
constant.bottomPlane[3] = 1;
D3D11_MAPPED_SUBRESOURCE mappedSubres;
deviceContext->Map(vtxConstants, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, &constant, sizeof(constant));
deviceContext->Unmap(vtxConstants, 0);
deviceContext->VSSetConstantBuffers(0, 1, &vtxConstants.get());
deviceContext->GSSetShader(nullptr, nullptr, 0);
deviceContext->HSSetShader(nullptr, nullptr, 0);
deviceContext->DSSetShader(nullptr, nullptr, 0);
deviceContext->CSSetShader(nullptr, nullptr, 0);
}
void DX11Renderer::uploadGeometryBuffers()
{
setProvokingVertices();
verify(ensureBufferSize(vertexBuffer, D3D11_BIND_VERTEX_BUFFER, vertexBufferSize, pvrrc.verts.bytes()));
D3D11_MAPPED_SUBRESOURCE mappedSubres;
deviceContext->Map(vertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, pvrrc.verts.head(), pvrrc.verts.bytes());
deviceContext->Unmap(vertexBuffer, 0);
verify(ensureBufferSize(indexBuffer, D3D11_BIND_INDEX_BUFFER, indexBufferSize, pvrrc.idx.bytes()));
deviceContext->Map(indexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, pvrrc.idx.head(), pvrrc.idx.bytes());
deviceContext->Unmap(indexBuffer, 0);
if (config::ModifierVolumes && pvrrc.modtrig.used())
{
const ModTriangle *data = nullptr;
u32 size = 0;
#if 1
// clip triangles
std::vector<ModTriangle> modVolTriangles;
modVolTriangles.reserve(pvrrc.modtrig.used());
clipModVols(pvrrc.global_param_mvo, modVolTriangles);
clipModVols(pvrrc.global_param_mvo_tr, modVolTriangles);
if (!modVolTriangles.empty())
{
size = (u32)(modVolTriangles.size() * sizeof(ModTriangle));
data = modVolTriangles.data();
}
#else
size = pvrrc.modtrig.bytes();
data = pvrrc.modtrig.head();
#endif
if (size > 0)
{
verify(ensureBufferSize(modvolBuffer, D3D11_BIND_VERTEX_BUFFER, modvolBufferSize, size));
deviceContext->Map(modvolBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, data, size);
deviceContext->Unmap(modvolBuffer, 0);
}
}
unsigned int stride = sizeof(Vertex);
unsigned int offset = 0;
deviceContext->IASetVertexBuffers(0, 1, &vertexBuffer.get(), &stride, &offset);
deviceContext->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R32_UINT, 0);
}
void DX11Renderer::setupPixelShaderConstants()
{
PixelConstants pixelConstants;
// VERT and RAM fog color constants
u8* fog_colvert_bgra = (u8*)&FOG_COL_VERT;
u8* fog_colram_bgra = (u8*)&FOG_COL_RAM;
pixelConstants.fog_col_vert[0] = fog_colvert_bgra[2] / 255.0f;
pixelConstants.fog_col_vert[1] = fog_colvert_bgra[1] / 255.0f;
pixelConstants.fog_col_vert[2] = fog_colvert_bgra[0] / 255.0f;
pixelConstants.fog_col_ram[0] = fog_colram_bgra[2] / 255.0f;
pixelConstants.fog_col_ram[1] = fog_colram_bgra[1] / 255.0f;
pixelConstants.fog_col_ram[2] = fog_colram_bgra[0] / 255.0f;
// Fog density
pixelConstants.fogDensity = FOG_DENSITY.get() * config::ExtraDepthScale;
// Shadow scale
pixelConstants.shadowScale = 1.f - FPU_SHAD_SCALE.scale_factor / 256.f;
// Color clamping
pixelConstants.colorClampMin[0] = ((pvrrc.fog_clamp_min >> 16) & 0xFF) / 255.0f;
pixelConstants.colorClampMin[1] = ((pvrrc.fog_clamp_min >> 8) & 0xFF) / 255.0f;
pixelConstants.colorClampMin[2] = ((pvrrc.fog_clamp_min >> 0) & 0xFF) / 255.0f;
pixelConstants.colorClampMin[3] = ((pvrrc.fog_clamp_min >> 24) & 0xFF) / 255.0f;
pixelConstants.colorClampMax[0] = ((pvrrc.fog_clamp_max >> 16) & 0xFF) / 255.0f;
pixelConstants.colorClampMax[1] = ((pvrrc.fog_clamp_max >> 8) & 0xFF) / 255.0f;
pixelConstants.colorClampMax[2] = ((pvrrc.fog_clamp_max >> 0) & 0xFF) / 255.0f;
pixelConstants.colorClampMax[3] = ((pvrrc.fog_clamp_max >> 24) & 0xFF) / 255.0f;
// Punch-through alpha ref
pixelConstants.alphaTestValue = (PT_ALPHA_REF & 0xFF) / 255.0f;
D3D11_MAPPED_SUBRESOURCE mappedSubres;
deviceContext->Map(pxlConstants, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, &pixelConstants, sizeof(pixelConstants));
deviceContext->Unmap(pxlConstants, 0);
ID3D11Buffer *buffers[] { pxlConstants, pxlPolyConstants };
deviceContext->PSSetConstantBuffers(0, ARRAY_SIZE(buffers), buffers);
}
bool DX11Renderer::Render()
{
u32 texAddress = FB_W_SOF1 & VRAM_MASK;
// make sure to unbind the framebuffer view before setting it as render target
ID3D11ShaderResourceView *nullView = nullptr;
deviceContext->PSSetShaderResources(0, 1, &nullView);
bool is_rtt = pvrrc.isRTT;
if (!is_rtt)
deviceContext->OMSetRenderTargets(1, &fbRenderTarget.get(), depthTexView);
configVertexShader();
deviceContext->ClearDepthStencilView(depthTexView, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 0.f, 0);
deviceContext->IASetInputLayout(mainInputLayout);
if (!pvrrc.isRenderFramebuffer)
{
uploadGeometryBuffers();
updateFogTexture();
updatePaletteTexture();
setupPixelShaderConstants();
drawStrips();
}
else
{
renderDCFramebuffer();
}
if (is_rtt)
{
readRttRenderTarget(texAddress);
}
else
{
#ifndef LIBRETRO
deviceContext->OMSetRenderTargets(1, &theDX11Context.getRenderTarget().get(), nullptr);
renderFramebuffer();
DrawOSD(false);
theDX11Context.setFrameRendered();
#else
ID3D11RenderTargetView *nullView = nullptr;
deviceContext->OMSetRenderTargets(1, &nullView, nullptr);
deviceContext->PSSetShaderResources(0, 1, &fbTextureView.get());
#endif
frameRendered = true;
frameRenderedOnce = true;
}
return !is_rtt;
}
void DX11Renderer::renderDCFramebuffer()
{
FLOAT colors[4] = { VO_BORDER_COL.Red / 255.f, VO_BORDER_COL.Green / 255.f, VO_BORDER_COL.Blue / 255.f, 1.f };
deviceContext->ClearRenderTargetView(fbRenderTarget, colors);
D3D11_VIEWPORT vp{};
vp.Width = (FLOAT)width;
vp.Height = (FLOAT)height;
vp.MinDepth = 0.f;
vp.MaxDepth = 1.f;
deviceContext->RSSetViewports(1, &vp);
deviceContext->OMSetBlendState(blendStates.getState(false), nullptr, 0xffffffff);
float bar = (width - height * 640.f / 480.f) / 2.f;
quad->draw(dcfbTextureView, samplers->getSampler(true), nullptr, bar / width * 2.f - 1.f, -1.f, (width - bar * 2.f) / width * 2.f, 2.f);
}
void DX11Renderer::renderFramebuffer()
{
#ifndef LIBRETRO
D3D11_VIEWPORT vp{};
vp.Width = (FLOAT)settings.display.width;
vp.Height = (FLOAT)settings.display.height;
vp.MinDepth = 0.f;
vp.MaxDepth = 1.f;
deviceContext->RSSetViewports(1, &vp);
const D3D11_RECT r = { 0, 0, settings.display.width, settings.display.height };
deviceContext->RSSetScissorRects(1, &r);
FLOAT colors[4] = { VO_BORDER_COL.Red / 255.f, VO_BORDER_COL.Green / 255.f, VO_BORDER_COL.Blue / 255.f, 1.f };
deviceContext->ClearRenderTargetView(theDX11Context.getRenderTarget(), colors);
int outwidth = settings.display.width;
int outheight = settings.display.height;
if (config::Rotate90)
std::swap(outwidth, outheight);
float renderAR = (float)width / height;
float screenAR = (float)outwidth / outheight;
int dy = 0;
int dx = 0;
if (renderAR > screenAR)
dy = (int)roundf((outheight - outwidth / renderAR) / 2.f);
else
dx = (int)roundf((outwidth - outheight * renderAR) / 2.f);
float x = 0, y = 0, w = (float)outwidth, h = (float)outheight;
if (dx != 0)
{
x = (float)dx;
w = (float)(outwidth - 2 * dx);
}
else
{
y = (float)dy;
h = (float)(outheight - 2 * dy);
}
// Normalize
x = x * 2.f / outwidth - 1.f;
w *= 2.f / outwidth;
y = y * 2.f / outheight - 1.f;
h *= 2.f / outheight;
deviceContext->OMSetBlendState(blendStates.getState(false), nullptr, 0xffffffff);
quad->draw(fbTextureView, samplers->getSampler(true), nullptr, x, y, w, h, config::Rotate90);
#endif
}
void DX11Renderer::setCullMode(int mode)
{
ComPtr<ID3D11RasterizerState> rasterizer;
switch (mode)
{
case 0:
case 1:
default:
rasterizer = rasterCullNone;
break;
case 2:
rasterizer = rasterCullFront;
break;
case 3:
rasterizer = rasterCullBack;
break;
}
deviceContext->RSSetState(rasterizer);
}
template <u32 Type, bool SortingEnabled>
void DX11Renderer::setRenderState(const PolyParam *gp)
{
PixelPolyConstants constants;
if (gp->pcw.Texture && gp->tsp.FilterMode > 1 && Type != ListType_Punch_Through && gp->tcw.MipMapped == 1)
{
constants.trilinearAlpha = 0.25f * (gp->tsp.MipMapD & 0x3);
if (gp->tsp.FilterMode == 2)
// Trilinear pass A
constants.trilinearAlpha = 1.f - constants.trilinearAlpha;
}
else
constants.trilinearAlpha = 1.f;
bool color_clamp = gp->tsp.ColorClamp && (pvrrc.fog_clamp_min != 0 || pvrrc.fog_clamp_max != 0xffffffff);
int fog_ctrl = config::Fog ? gp->tsp.FogCtrl : 2;
int clip_rect[4] = {};
TileClipping clipmode = GetTileClip(gp->tileclip, matrices.GetViewportMatrix(), clip_rect);
DX11Texture *texture = (DX11Texture *)gp->texture;
bool gpuPalette = texture != nullptr ? texture->gpuPalette : false;
ComPtr<ID3D11VertexShader> vertexShader = shaders->getVertexShader(gp->pcw.Gouraud);
deviceContext->VSSetShader(vertexShader, nullptr, 0);
ComPtr<ID3D11PixelShader> pixelShader = shaders->getShader(
gp->pcw.Texture,
gp->tsp.UseAlpha,
gp->tsp.IgnoreTexA,
gp->tsp.ShadInstr,
gp->pcw.Offset,
fog_ctrl,
gp->tcw.PixelFmt == PixelBumpMap,
color_clamp,
constants.trilinearAlpha != 1.f,
gpuPalette,
gp->pcw.Gouraud,
Type == ListType_Punch_Through,
clipmode == TileClipping::Inside,
gp->pcw.Texture && gp->tsp.FilterMode == 0 && !gp->tsp.ClampU && !gp->tsp.ClampV && !gp->tsp.FlipU && !gp->tsp.FlipV);
deviceContext->PSSetShader(pixelShader, nullptr, 0);
if (gpuPalette)
{
if (gp->tcw.PixelFmt == PixelPal4)
constants.paletteIndex = (float)(gp->tcw.PalSelect << 4);
else
constants.paletteIndex = (float)((gp->tcw.PalSelect >> 4) << 8);
}
if (clipmode == TileClipping::Outside)
{
RECT rect { clip_rect[0], clip_rect[1], clip_rect[0] + clip_rect[2], clip_rect[1] + clip_rect[3] };
deviceContext->RSSetScissorRects(1, &rect);
}
else
{
deviceContext->RSSetScissorRects(1, &scissorRect);
if (clipmode == TileClipping::Inside)
{
constants.clipTest[0] = (float)clip_rect[0];
constants.clipTest[1] = (float)clip_rect[1];
constants.clipTest[2] = (float)(clip_rect[0] + clip_rect[2]);
constants.clipTest[3] = (float)(clip_rect[1] + clip_rect[3]);
}
}
if (constants.trilinearAlpha != 1.f || gpuPalette || clipmode == TileClipping::Inside)
{
D3D11_MAPPED_SUBRESOURCE mappedSubres;
deviceContext->Map(pxlPolyConstants, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, &constants, sizeof(constants));
deviceContext->Unmap(pxlPolyConstants, 0);
}
if (texture != nullptr)
{
deviceContext->PSSetShaderResources(0, 1, &texture->textureView.get());
auto sampler = samplers->getSampler(gp->tsp.FilterMode != 0 && !gpuPalette, gp->tsp.ClampU, gp->tsp.ClampV, gp->tsp.FlipU, gp->tsp.FlipV);
deviceContext->PSSetSamplers(0, 1, &sampler.get());
}
// Apparently punch-through polys support blending, or at least some combinations
if (Type == ListType_Translucent || Type == ListType_Punch_Through)
deviceContext->OMSetBlendState(blendStates.getState(true, gp->tsp.SrcInstr, gp->tsp.DstInstr), nullptr, 0xffffffff);
else
deviceContext->OMSetBlendState(blendStates.getState(false, gp->tsp.SrcInstr, gp->tsp.DstInstr), nullptr, 0xffffffff);
setCullMode(gp->isp.CullMode);
//set Z mode, only if required
int zfunc;
if (Type == ListType_Punch_Through || (Type == ListType_Translucent && SortingEnabled))
zfunc = 6; // GEQ
else
zfunc = gp->isp.DepthMode;
bool zwriteEnable;
if (SortingEnabled && !config::PerStripSorting)
zwriteEnable = false;
else
{
// Z Write Disable seems to be ignored for punch-through.
// Fixes Worms World Party, Bust-a-Move 4 and Re-Volt
if (Type == ListType_Punch_Through)
zwriteEnable = true;
else
zwriteEnable = !gp->isp.ZWriteDis;
}
const u32 stencil = (gp->pcw.Shadow != 0) ? 0x80 : 0;
deviceContext->OMSetDepthStencilState(depthStencilStates.getState(true, zwriteEnable, zfunc, config::ModifierVolumes), stencil);
}
template <u32 Type, bool SortingEnabled>
void DX11Renderer::drawList(const List<PolyParam>& gply, int first, int count)
{
deviceContext->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
PolyParam* params = &gply.head()[first];
while (count-- > 0)
{
if (params->count > 2)
{
if ((Type == ListType_Opaque || (Type == ListType_Translucent && !SortingEnabled)) && params->isp.DepthMode == 0)
{
// depthFunc = never
params++;
continue;
}
setRenderState<Type, SortingEnabled>(params);
deviceContext->DrawIndexed(params->count, params->first, 0);
}
params++;
}
}
void DX11Renderer::sortTriangles(int first, int count)
{
std::vector<u32> vidx_sort;
GenSorted(first, count, pidx_sort, vidx_sort);
//Upload to GPU if needed
if (pidx_sort.empty())
return;
const size_t bufSize = vidx_sort.size() * sizeof(u32);
// Upload sorted index buffer
ensureBufferSize(sortedTriIndexBuffer, D3D11_BIND_INDEX_BUFFER, sortedTriIndexBufferSize, (u32)bufSize);
D3D11_MAPPED_SUBRESOURCE mappedSubres;
deviceContext->Map(sortedTriIndexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedSubres);
memcpy(mappedSubres.pData, &vidx_sort[0], bufSize);
deviceContext->Unmap(sortedTriIndexBuffer, 0);
deviceContext->IASetIndexBuffer(sortedTriIndexBuffer, DXGI_FORMAT_R32_UINT, 0);
}
void DX11Renderer::drawSorted(bool multipass)
{
if (pidx_sort.empty())
return;
deviceContext->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
size_t count = pidx_sort.size();
for (u32 p = 0; p < count; p++)
{
const PolyParam* params = pidx_sort[p].ppid;
if (pidx_sort[p].count > 2)
{
setRenderState<ListType_Translucent, true>(params);
deviceContext->DrawIndexed(pidx_sort[p].count, pidx_sort[p].first, 0);
}
}
if (multipass && config::TranslucentPolygonDepthMask)
{
// Write to the depth buffer now. The next render pass might need it. (Cosmic Smash)
deviceContext->OMSetBlendState(blendStates.getState(false, 0, 0, true), nullptr, 0xffffffff);
ComPtr<ID3D11VertexShader> vertexShader = shaders->getVertexShader(true);
deviceContext->VSSetShader(vertexShader, nullptr, 0);
ComPtr<ID3D11PixelShader> pixelShader = shaders->getShader(
false,
false,
false,
0,
false,
2,
false,
false,
false,
false,
true,
false,
false,
false);
deviceContext->PSSetShader(pixelShader, nullptr, 0);
// Enable depth test, enable depth write, >=, disable stencil
deviceContext->OMSetDepthStencilState(depthStencilStates.getState(true, true, 6, false), 0);
deviceContext->RSSetScissorRects(1, &scissorRect);
for (u32 p = 0; p < count; p++)
{
const PolyParam* params = pidx_sort[p].ppid;
if (pidx_sort[p].count > 2 && !params->isp.ZWriteDis)
{
setCullMode(params->isp.CullMode);
deviceContext->DrawIndexed(pidx_sort[p].count, pidx_sort[p].first, 0);
}
}
}
deviceContext->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R32_UINT, 0);
}
void DX11Renderer::drawModVols(int first, int count)
{
if (count == 0 || pvrrc.modtrig.used() == 0 || !config::ModifierVolumes)
return;
deviceContext->IASetInputLayout(modVolInputLayout);
unsigned int stride = 3 * sizeof(float);
unsigned int offset = 0;
deviceContext->IASetVertexBuffers(0, 1, &modvolBuffer.get(), &stride, &offset);
deviceContext->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
deviceContext->OMSetBlendState(blendStates.getState(false, 0, 0, true), nullptr, 0xffffffff);
deviceContext->VSSetShader(shaders->getMVVertexShader(), nullptr, 0);
deviceContext->PSSetShader(shaders->getModVolShader(), nullptr, 0);
deviceContext->RSSetScissorRects(1, &scissorRect);
setCullMode(0);
ModifierVolumeParam* params = &pvrrc.global_param_mvo.head()[first];
int mod_base = -1;
for (int cmv = 0; cmv < count; cmv++)
{
ModifierVolumeParam& param = params[cmv];
u32 mv_mode = param.isp.DepthMode;
if (mod_base == -1)
mod_base = param.first;
if (!param.isp.VolumeLast && mv_mode > 0)
// OR'ing (open volume or quad)
deviceContext->OMSetDepthStencilState(depthStencilStates.getMVState(DepthStencilStates::Or), 2);
else
// XOR'ing (closed volume)
deviceContext->OMSetDepthStencilState(depthStencilStates.getMVState(DepthStencilStates::Xor), 0);
if (param.count > 0)
{
setCullMode(param.isp.CullMode);
deviceContext->Draw(param.count * 3, param.first * 3);
}
if (mv_mode == 1 || mv_mode == 2)
{
// Sum the area
deviceContext->OMSetDepthStencilState(depthStencilStates.getMVState(mv_mode == 1 ? DepthStencilStates::Inclusion : DepthStencilStates::Exclusion), 1);
deviceContext->Draw((param.first + param.count - mod_base) * 3, mod_base * 3);
mod_base = -1;
}
}
//disable culling
setCullMode(0);
//enable color writes
deviceContext->OMSetBlendState(blendStates.getState(true, 4, 5), nullptr, 0xffffffff);
//black out any stencil with '1'
//only pixels that are Modvol enabled, and in area 1
deviceContext->OMSetDepthStencilState(depthStencilStates.getMVState(DepthStencilStates::Final), 0x81);
deviceContext->IASetInputLayout(mainInputLayout);
stride = sizeof(Vertex);
offset = 0;
deviceContext->IASetVertexBuffers(0, 1, &vertexBuffer.get(), &stride, &offset);
deviceContext->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R32_UINT, 0);
deviceContext->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
deviceContext->DrawIndexed(4, 0, 0);
}
// Direct3D uses the color values of the first vertex for flat shaded triangle strips.
// On Dreamcast the last vertex is the provoking one so we must copy it onto the first.
// TODO refactor with Vk
// FIXME share with DX9
void DX11Renderer::setProvokingVertices()
{
auto setProvokingVertex = [](const List<PolyParam>& list) {
u32 *idx_base = pvrrc.idx.head();
Vertex *vtx_base = pvrrc.verts.head();
const PolyParam *pp_end = list.LastPtr(0);
for (const PolyParam *pp = list.head(); pp != pp_end; pp++)
{
if (!pp->pcw.Gouraud && pp->count > 2)
{
for (u32 i = 0; i < pp->count - 2; i++)
{
Vertex *vertex = &vtx_base[idx_base[pp->first + i]];
Vertex *lastVertex = &vtx_base[idx_base[pp->first + i + 2]];
memcpy(vertex->col, lastVertex->col, 4);
memcpy(vertex->spc, lastVertex->spc, 4);
//memcpy(vertex->col1, lastVertex->col1, 4);
//memcpy(vertex->spc1, lastVertex->spc1, 4);
}
}
}
};
setProvokingVertex(pvrrc.global_param_op);
setProvokingVertex(pvrrc.global_param_pt);
setProvokingVertex(pvrrc.global_param_tr);
}
void DX11Renderer::drawStrips()
{
RenderPass previous_pass {};
for (int render_pass = 0; render_pass < pvrrc.render_passes.used(); render_pass++)
{
const RenderPass& current_pass = pvrrc.render_passes.head()[render_pass];
u32 op_count = current_pass.op_count - previous_pass.op_count;
u32 pt_count = current_pass.pt_count - previous_pass.pt_count;
u32 tr_count = current_pass.tr_count - previous_pass.tr_count;
u32 mvo_count = current_pass.mvo_count - previous_pass.mvo_count;
DEBUG_LOG(RENDERER, "Render pass %d OP %d PT %d TR %d MV %d autosort %d", render_pass + 1,
op_count, pt_count, tr_count, mvo_count, current_pass.autosort);
drawList<ListType_Opaque, false>(pvrrc.global_param_op, previous_pass.op_count, op_count);
drawList<ListType_Punch_Through, false>(pvrrc.global_param_pt, previous_pass.pt_count, pt_count);
drawModVols(previous_pass.mvo_count, mvo_count);
if (current_pass.autosort)
{
if (!config::PerStripSorting)
{
sortTriangles(previous_pass.tr_count, tr_count);
drawSorted(render_pass < pvrrc.render_passes.used() - 1);
}
else
{
SortPParams(previous_pass.tr_count, tr_count);
drawList<ListType_Translucent, true>(pvrrc.global_param_tr, previous_pass.tr_count, tr_count);
}
}
else
{
drawList<ListType_Translucent, false>(pvrrc.global_param_tr, previous_pass.tr_count, tr_count);
}
previous_pass = current_pass;
}
}
bool DX11Renderer::RenderLastFrame()
{
if (!frameRenderedOnce)
return false;
renderFramebuffer();
return false;
}
void DX11Renderer::readDCFramebuffer()
{
if (FB_R_SIZE.fb_x_size == 0 || FB_R_SIZE.fb_y_size == 0)
return;
PixelBuffer<u32> pb;
int width;
int height;
ReadFramebuffer<BGRAPacker>(pb, width, height);
if (dcfbTexture)
{
D3D11_TEXTURE2D_DESC desc;
dcfbTexture->GetDesc(&desc);
if ((int)desc.Width != width || (int)desc.Height != height)
{
dcfbTexture.reset();
dcfbTextureView.reset();
}
}
if (!dcfbTexture)
{
D3D11_TEXTURE2D_DESC desc{};
desc.Width = width;
desc.Height = height;
desc.ArraySize = 1;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.MipLevels = 1;
HRESULT hr = device->CreateTexture2D(&desc, nullptr, &dcfbTexture.get());
if (FAILED(hr))
WARN_LOG(RENDERER, "DC Framebuffer texture creation failed");
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc{};
viewDesc.Format = desc.Format;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipLevels = 1;
hr = device->CreateShaderResourceView(dcfbTexture, &viewDesc, &dcfbTextureView.get());
if (FAILED(hr))
WARN_LOG(RENDERER, "DC Framebuffer texture view creation failed");
}
deviceContext->UpdateSubresource(dcfbTexture, 0, nullptr, pb.data(), width * sizeof(u32), width * sizeof(u32) * height);
}
void DX11Renderer::setBaseScissor()
{
bool wide_screen_on = !pvrrc.isRTT && config::Widescreen && !matrices.IsClipped() && !config::Rotate90;
if (!wide_screen_on && !pvrrc.isRenderFramebuffer)
{
float fWidth;
float fHeight;
float min_x;
float min_y;
if (!pvrrc.isRTT)
{
glm::vec4 clip_min(pvrrc.fb_X_CLIP.min, pvrrc.fb_Y_CLIP.min, 0, 1);
glm::vec4 clip_dim(pvrrc.fb_X_CLIP.max - pvrrc.fb_X_CLIP.min + 1,
pvrrc.fb_Y_CLIP.max - pvrrc.fb_Y_CLIP.min + 1, 0, 0);
clip_min = matrices.GetScissorMatrix() * clip_min;
clip_dim = matrices.GetScissorMatrix() * clip_dim;
min_x = clip_min[0];
min_y = clip_min[1];
fWidth = clip_dim[0];
fHeight = clip_dim[1];
if (fWidth < 0)
{
min_x += fWidth;
fWidth = -fWidth;
}
if (fHeight < 0)
{
min_y += fHeight;
fHeight = -fHeight;
}
if (matrices.GetSidebarWidth() > 0)
{
float scaled_offs_x = matrices.GetSidebarWidth();
float borderColor[] { VO_BORDER_COL.Red / 255.f, VO_BORDER_COL.Green / 255.f, VO_BORDER_COL.Blue / 255.f, 1.f };
D3D11_VIEWPORT vp{};
vp.MaxDepth = 1.f;
vp.Width = scaled_offs_x;
vp.Height = (float)height;
deviceContext->RSSetViewports(1, &vp);
quad->draw(whiteTextureView, samplers->getSampler(false), borderColor);
vp.TopLeftX = width - scaled_offs_x;
vp.Width = scaled_offs_x + 1;
deviceContext->RSSetViewports(1, &vp);
quad->draw(whiteTextureView, samplers->getSampler(false), borderColor);
}
}
else
{
fWidth = (float)(pvrrc.fb_X_CLIP.max - pvrrc.fb_X_CLIP.min + 1);
fHeight = (float)(pvrrc.fb_Y_CLIP.max - pvrrc.fb_Y_CLIP.min + 1);
min_x = (float)pvrrc.fb_X_CLIP.min;
min_y = (float)pvrrc.fb_Y_CLIP.min;
if (config::RenderResolution > 480 && !config::RenderToTextureBuffer)
{
min_x *= config::RenderResolution / 480.f;
min_y *= config::RenderResolution / 480.f;
fWidth *= config::RenderResolution / 480.f;
fHeight *= config::RenderResolution / 480.f;
}
}
scissorEnable = true;
scissorRect.left = lroundf(min_x);
scissorRect.top = lroundf(min_y);
scissorRect.right = scissorRect.left + lroundf(fWidth);
scissorRect.bottom = scissorRect.top + lroundf(fHeight);
}
else
{
scissorEnable = false;
scissorRect.left = 0;
scissorRect.top = 0;
scissorRect.right = width;
scissorRect.bottom = height;
}
deviceContext->RSSetScissorRects(1, &scissorRect);
}
void DX11Renderer::prepareRttRenderTarget(u32 texAddress)
{
u32 fbw = pvrrc.fb_X_CLIP.max + 1;
u32 fbh = pvrrc.fb_Y_CLIP.max + 1;
DEBUG_LOG(RENDERER, "RTT packmode=%d stride=%d - %d x %d @ %06x",
FB_W_CTRL.fb_packmode, FB_W_LINESTRIDE.stride * 8, fbw, fbh, texAddress);
// Find the smallest power of two texture that fits the viewport
u32 fbh2 = 2;
while (fbh2 < fbh)
fbh2 *= 2;
u32 fbw2 = 2;
while (fbw2 < fbw)
fbw2 *= 2;
if (!config::RenderToTextureBuffer)
{
fbw = (u32)(fbw * config::RenderResolution / 480.f);
fbh = (u32)(fbh * config::RenderResolution / 480.f);
fbw2 = (u32)(fbw2 * config::RenderResolution / 480.f);
fbh2 = (u32)(fbh2 * config::RenderResolution / 480.f);
}
createTexAndRenderTarget(rttTexture, rttRenderTarget, fbw2, fbh2);
createDepthTexAndView(rttDepthTex, rttDepthTexView, fbw2, fbh2);
deviceContext->OMSetRenderTargets(1, &rttRenderTarget.get(), rttDepthTexView);
D3D11_VIEWPORT vp{};
vp.Width = (FLOAT)fbw;
vp.Height = (FLOAT)fbh;
vp.MinDepth = 0.f;
vp.MaxDepth = 1.f;
deviceContext->RSSetViewports(1, &vp);
}
void DX11Renderer::readRttRenderTarget(u32 texAddress)
{
u32 w = pvrrc.fb_X_CLIP.max + 1;
u32 h = pvrrc.fb_Y_CLIP.max + 1;
const u8 fb_packmode = FB_W_CTRL.fb_packmode;
if (config::RenderToTextureBuffer)
{
D3D11_TEXTURE2D_DESC desc;
rttTexture->GetDesc(&desc);
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
ComPtr<ID3D11Texture2D> stagingTex;
HRESULT hr = device->CreateTexture2D(&desc, nullptr, &stagingTex.get());
if (FAILED(hr))
{
WARN_LOG(RENDERER, "Staging RTT texture creation failed");
return;
}
deviceContext->CopyResource(stagingTex, rttTexture);
PixelBuffer<u32> tmp_buf;
tmp_buf.init(w, h);
u8 *p = (u8 *)tmp_buf.data();
D3D11_MAPPED_SUBRESOURCE mappedSubres;
hr = deviceContext->Map(stagingTex, 0, D3D11_MAP_READ, 0, &mappedSubres);
if (FAILED(hr))
{
WARN_LOG(RENDERER, "Failed to map staging RTT texture");
return;
}
if (w * sizeof(u32) == mappedSubres.RowPitch)
memcpy(p, mappedSubres.pData, w * h * sizeof(u32));
else
{
u8 *src = (u8 *)mappedSubres.pData;
for (u32 y = 0; y < h; y++)
{
memcpy(p, src, w * sizeof(u32));
p += w * sizeof(u32);
src += mappedSubres.RowPitch;
}
}
deviceContext->Unmap(stagingTex, 0);
u16 *dst = (u16 *)&vram[texAddress];
WriteTextureToVRam<2, 1, 0, 3>(w, h, (u8 *)tmp_buf.data(), dst);
}
else
{
//memset(&vram[gl.rtt.texAddress], 0, size);
if (w <= 1024 && h <= 1024)
{
// TexAddr : (address), Reserved : 0, StrideSel : 0, ScanOrder : 1
TCW tcw = { { texAddress >> 3, 0, 0, 1 } };
switch (fb_packmode) {
case 0:
case 3:
tcw.PixelFmt = Pixel1555;
break;
case 1:
tcw.PixelFmt = Pixel565;
break;
case 2:
tcw.PixelFmt = Pixel4444;
break;
}
TSP tsp = { 0 };
for (tsp.TexU = 0; tsp.TexU <= 7 && (8u << tsp.TexU) < w; tsp.TexU++)
;
for (tsp.TexV = 0; tsp.TexV <= 7 && (8u << tsp.TexV) < h; tsp.TexV++)
;
DX11Texture* texture = texCache.getTextureCacheData(tsp, tcw);
if (!texture->texture)
texture->Create();
texture->texture = rttTexture;
rttTexture.reset();
rttRenderTarget.reset();
texture->textureView.reset();
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc{};
viewDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipLevels = 1;
device->CreateShaderResourceView(texture->texture, &viewDesc, &texture->textureView.get());
texture->dirty = 0;
libCore_vramlock_Lock(texture->sa_tex, texture->sa + texture->size - 1, texture);
}
}
}
void DX11Renderer::updatePaletteTexture()
{
if (!palette_updated)
return;
palette_updated = false;
deviceContext->UpdateSubresource(paletteTexture, 0, nullptr, palette32_ram, 32 * sizeof(u32), 32 * sizeof(u32) * 32);
deviceContext->PSSetShaderResources(1, 1, &paletteTextureView.get());
deviceContext->PSSetSamplers(1, 1, &samplers->getSampler(false).get());
}
void DX11Renderer::updateFogTexture()
{
if (!fog_needs_update || !config::Fog)
return;
fog_needs_update = false;
u8 temp_tex_buffer[256];
MakeFogTexture(temp_tex_buffer);
deviceContext->UpdateSubresource(fogTexture, 0, nullptr, temp_tex_buffer, 128, 128 * 2);
deviceContext->PSSetShaderResources(2, 1, &fogTextureView.get());
deviceContext->PSSetSamplers(2, 1, &samplers->getSampler(true).get());
}
void DX11Renderer::DrawOSD(bool clear_screen)
{
#ifndef LIBRETRO
theDX11Context.setOverlay(!clear_screen);
gui_display_osd();
theDX11Context.setOverlay(false);
#endif
}
Renderer *rend_DirectX11()
{
return new DX11Renderer();
}
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