diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/SwapChain11.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/SwapChain11.cpp | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/SwapChain11.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/SwapChain11.cpp new file mode 100644 index 0000000000..0341df10f9 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/SwapChain11.cpp @@ -0,0 +1,713 @@ +#include "precompiled.h" +// +// Copyright (c) 2012-2014 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// SwapChain11.cpp: Implements a back-end specific class for the D3D11 swap chain. + +#include "libGLESv2/renderer/d3d/d3d11/SwapChain11.h" + +#include "common/platform.h" +#include "libGLESv2/renderer/d3d/d3d11/renderer11_utils.h" +#include "libGLESv2/renderer/d3d/d3d11/formatutils11.h" +#include "libGLESv2/renderer/d3d/d3d11/Renderer11.h" +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/passthrough2dvs.h" +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dps.h" + +namespace rx +{ + +SwapChain11::SwapChain11(Renderer11 *renderer, EGLNativeWindowType window, HANDLE shareHandle, + GLenum backBufferFormat, GLenum depthBufferFormat) + : mRenderer(renderer), SwapChain(window, shareHandle, backBufferFormat, depthBufferFormat) +{ + mSwapChain = NULL; + mBackBufferTexture = NULL; + mBackBufferRTView = NULL; + mOffscreenTexture = NULL; + mOffscreenRTView = NULL; + mOffscreenSRView = NULL; + mDepthStencilTexture = NULL; + mDepthStencilDSView = NULL; + mDepthStencilSRView = NULL; + mQuadVB = NULL; + mPassThroughSampler = NULL; + mPassThroughIL = NULL; + mPassThroughVS = NULL; + mPassThroughPS = NULL; + mWidth = -1; + mHeight = -1; + mViewportWidth = -1; + mViewportHeight = -1; + mSwapInterval = 0; + mAppCreatedShareHandle = mShareHandle != NULL; + mPassThroughResourcesInit = false; +} + +SwapChain11::~SwapChain11() +{ + release(); +} + +void SwapChain11::release() +{ + SafeRelease(mSwapChain); + SafeRelease(mBackBufferTexture); + SafeRelease(mBackBufferRTView); + SafeRelease(mOffscreenTexture); + SafeRelease(mOffscreenRTView); + SafeRelease(mOffscreenSRView); + SafeRelease(mDepthStencilTexture); + SafeRelease(mDepthStencilDSView); + SafeRelease(mDepthStencilSRView); + SafeRelease(mQuadVB); + SafeRelease(mPassThroughSampler); + SafeRelease(mPassThroughIL); + SafeRelease(mPassThroughVS); + SafeRelease(mPassThroughPS); + + if (!mAppCreatedShareHandle) + { + mShareHandle = NULL; + } +} + +void SwapChain11::releaseOffscreenTexture() +{ + SafeRelease(mOffscreenTexture); + SafeRelease(mOffscreenRTView); + SafeRelease(mOffscreenSRView); + SafeRelease(mDepthStencilTexture); + SafeRelease(mDepthStencilDSView); + SafeRelease(mDepthStencilSRView); +} + +EGLint SwapChain11::resetOffscreenTexture(int backbufferWidth, int backbufferHeight) +{ + ID3D11Device *device = mRenderer->getDevice(); + + ASSERT(device != NULL); + + // D3D11 does not allow zero size textures + ASSERT(backbufferWidth >= 1); + ASSERT(backbufferHeight >= 1); + +#if !defined(ANGLE_PLATFORM_WINRT) + // Preserve the render target content + ID3D11Texture2D *previousOffscreenTexture = mOffscreenTexture; + if (previousOffscreenTexture) + { + previousOffscreenTexture->AddRef(); + } + const int previousWidth = mWidth; + const int previousHeight = mHeight; +#endif + + releaseOffscreenTexture(); + + // If the app passed in a share handle, open the resource + // See EGL_ANGLE_d3d_share_handle_client_buffer + if (mAppCreatedShareHandle) + { + ID3D11Resource *tempResource11; + HRESULT result = device->OpenSharedResource(mShareHandle, __uuidof(ID3D11Resource), (void**)&tempResource11); + + if (FAILED(result)) + { + ERR("Failed to open the swap chain pbuffer share handle: %08lX", result); + release(); + return EGL_BAD_PARAMETER; + } + + result = tempResource11->QueryInterface(__uuidof(ID3D11Texture2D), (void**)&mOffscreenTexture); + SafeRelease(tempResource11); + + if (FAILED(result)) + { + ERR("Failed to query texture2d interface in pbuffer share handle: %08lX", result); + release(); + return EGL_BAD_PARAMETER; + } + + // Validate offscreen texture parameters + D3D11_TEXTURE2D_DESC offscreenTextureDesc = {0}; + mOffscreenTexture->GetDesc(&offscreenTextureDesc); + + if (offscreenTextureDesc.Width != (UINT)backbufferWidth + || offscreenTextureDesc.Height != (UINT)backbufferHeight + || offscreenTextureDesc.Format != gl_d3d11::GetTexFormat(mBackBufferFormat) + || offscreenTextureDesc.MipLevels != 1 + || offscreenTextureDesc.ArraySize != 1) + { + ERR("Invalid texture parameters in the shared offscreen texture pbuffer"); + release(); + return EGL_BAD_PARAMETER; + } + } + else + { + const bool useSharedResource = !mWindow && mRenderer->getShareHandleSupport(); + + D3D11_TEXTURE2D_DESC offscreenTextureDesc = {0}; + offscreenTextureDesc.Width = backbufferWidth; + offscreenTextureDesc.Height = backbufferHeight; + offscreenTextureDesc.Format = gl_d3d11::GetTexFormat(mBackBufferFormat); + offscreenTextureDesc.MipLevels = 1; + offscreenTextureDesc.ArraySize = 1; + offscreenTextureDesc.SampleDesc.Count = 1; + offscreenTextureDesc.SampleDesc.Quality = 0; + offscreenTextureDesc.Usage = D3D11_USAGE_DEFAULT; + offscreenTextureDesc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE; + offscreenTextureDesc.CPUAccessFlags = 0; + offscreenTextureDesc.MiscFlags = useSharedResource ? D3D11_RESOURCE_MISC_SHARED : 0; + + HRESULT result = device->CreateTexture2D(&offscreenTextureDesc, NULL, &mOffscreenTexture); + + if (FAILED(result)) + { + ERR("Could not create offscreen texture: %08lX", result); + release(); + + if (d3d11::isDeviceLostError(result)) + { + return EGL_CONTEXT_LOST; + } + else + { + return EGL_BAD_ALLOC; + } + } + + d3d11::SetDebugName(mOffscreenTexture, "Offscreen back buffer texture"); + + // EGL_ANGLE_surface_d3d_texture_2d_share_handle requires that we store a share handle for the client + if (useSharedResource) + { + IDXGIResource *offscreenTextureResource = NULL; + result = mOffscreenTexture->QueryInterface(__uuidof(IDXGIResource), (void**)&offscreenTextureResource); + + // Fall back to no share handle on failure + if (FAILED(result)) + { + ERR("Could not query offscreen texture resource: %08lX", result); + } + else + { + result = offscreenTextureResource->GetSharedHandle(&mShareHandle); + SafeRelease(offscreenTextureResource); + + if (FAILED(result)) + { + mShareHandle = NULL; + ERR("Could not get offscreen texture shared handle: %08lX", result); + } + } + } + } + + + D3D11_RENDER_TARGET_VIEW_DESC offscreenRTVDesc; + offscreenRTVDesc.Format = gl_d3d11::GetRTVFormat(mBackBufferFormat); + offscreenRTVDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D; + offscreenRTVDesc.Texture2D.MipSlice = 0; + + HRESULT result = device->CreateRenderTargetView(mOffscreenTexture, &offscreenRTVDesc, &mOffscreenRTView); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mOffscreenRTView, "Offscreen back buffer render target"); + + D3D11_SHADER_RESOURCE_VIEW_DESC offscreenSRVDesc; + offscreenSRVDesc.Format = gl_d3d11::GetSRVFormat(mBackBufferFormat); + offscreenSRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D; + offscreenSRVDesc.Texture2D.MostDetailedMip = 0; + offscreenSRVDesc.Texture2D.MipLevels = -1; + + result = device->CreateShaderResourceView(mOffscreenTexture, &offscreenSRVDesc, &mOffscreenSRView); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mOffscreenSRView, "Offscreen back buffer shader resource"); + + if (mDepthBufferFormat != GL_NONE) + { + D3D11_TEXTURE2D_DESC depthStencilTextureDesc; + depthStencilTextureDesc.Width = backbufferWidth; + depthStencilTextureDesc.Height = backbufferHeight; + depthStencilTextureDesc.Format = gl_d3d11::GetTexFormat(mDepthBufferFormat); + depthStencilTextureDesc.MipLevels = 1; + depthStencilTextureDesc.ArraySize = 1; + depthStencilTextureDesc.SampleDesc.Count = 1; + depthStencilTextureDesc.SampleDesc.Quality = 0; + depthStencilTextureDesc.Usage = D3D11_USAGE_DEFAULT; + depthStencilTextureDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE; + depthStencilTextureDesc.CPUAccessFlags = 0; + depthStencilTextureDesc.MiscFlags = 0; + + result = device->CreateTexture2D(&depthStencilTextureDesc, NULL, &mDepthStencilTexture); + if (FAILED(result)) + { + ERR("Could not create depthstencil surface for new swap chain: 0x%08X", result); + release(); + + if (d3d11::isDeviceLostError(result)) + { + return EGL_CONTEXT_LOST; + } + else + { + return EGL_BAD_ALLOC; + } + } + d3d11::SetDebugName(mDepthStencilTexture, "Offscreen depth stencil texture"); + + D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilDesc; + depthStencilDesc.Format = gl_d3d11::GetDSVFormat(mDepthBufferFormat); + depthStencilDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D; + depthStencilDesc.Flags = 0; + depthStencilDesc.Texture2D.MipSlice = 0; + + result = device->CreateDepthStencilView(mDepthStencilTexture, &depthStencilDesc, &mDepthStencilDSView); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mDepthStencilDSView, "Offscreen depth stencil view"); + + D3D11_SHADER_RESOURCE_VIEW_DESC depthStencilSRVDesc; + depthStencilSRVDesc.Format = gl_d3d11::GetSRVFormat(mDepthBufferFormat); + depthStencilSRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D; + depthStencilSRVDesc.Texture2D.MostDetailedMip = 0; + depthStencilSRVDesc.Texture2D.MipLevels = -1; + + result = device->CreateShaderResourceView(mDepthStencilTexture, &depthStencilSRVDesc, &mDepthStencilSRView); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mDepthStencilSRView, "Offscreen depth stencil shader resource"); + } + + mWidth = backbufferWidth; + mHeight = backbufferHeight; +#if !defined(ANGLE_PLATFORM_WINRT) || WINAPI_FAMILY==WINAPI_FAMILY_PC_APP + mViewportWidth = backbufferWidth; + mViewportHeight = backbufferHeight; +#endif + +#if !defined(ANGLE_PLATFORM_WINRT) + if (previousOffscreenTexture != NULL) + { + D3D11_BOX sourceBox = {0}; + sourceBox.left = 0; + sourceBox.right = std::min(previousWidth, mWidth); + sourceBox.top = std::max(previousHeight - mHeight, 0); + sourceBox.bottom = previousHeight; + sourceBox.front = 0; + sourceBox.back = 1; + + ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); + const int yoffset = std::max(mHeight - previousHeight, 0); + deviceContext->CopySubresourceRegion(mOffscreenTexture, 0, 0, yoffset, 0, previousOffscreenTexture, 0, &sourceBox); + + SafeRelease(previousOffscreenTexture); + + if (mSwapChain) + { + swapRect(0, 0, mWidth, mHeight, SWAP_NORMAL); + } + } +#endif + + return EGL_SUCCESS; +} + +EGLint SwapChain11::resize(EGLint backbufferWidth, EGLint backbufferHeight) +{ + ID3D11Device *device = mRenderer->getDevice(); + + if (device == NULL) + { + return EGL_BAD_ACCESS; + } + + // EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains + if (backbufferWidth < 1 || backbufferHeight < 1) + { + return EGL_SUCCESS; + } + + // Can only call resize if we have already created our swap buffer and resources + ASSERT(mSwapChain && mBackBufferTexture && mBackBufferRTView); + + SafeRelease(mBackBufferTexture); + SafeRelease(mBackBufferRTView); + + // Resize swap chain + HRESULT result; +#if !defined(ANGLE_PLATFORM_WINRT) || WINAPI_FAMILY==WINAPI_FAMILY_PC_APP // Windows phone swap chain is never resized, only the texture is +#if !defined(ANGLE_PLATFORM_WINRT) + const int bufferCount = 1; +#else + const int bufferCount = 2; +#endif + DXGI_FORMAT backbufferDXGIFormat = gl_d3d11::GetTexFormat(mBackBufferFormat); + result = mSwapChain->ResizeBuffers(bufferCount, backbufferWidth, backbufferHeight, backbufferDXGIFormat, 0); + + if (FAILED(result)) + { + ERR("Error resizing swap chain buffers: 0x%08X", result); + release(); + + if (d3d11::isDeviceLostError(result)) + { + return EGL_CONTEXT_LOST; + } + else + { + return EGL_BAD_ALLOC; + } + } +#endif + result = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackBufferTexture); + ASSERT(SUCCEEDED(result)); + if (SUCCEEDED(result)) + { + d3d11::SetDebugName(mBackBufferTexture, "Back buffer texture"); + } + + result = device->CreateRenderTargetView(mBackBufferTexture, NULL, &mBackBufferRTView); + ASSERT(SUCCEEDED(result)); + if (SUCCEEDED(result)) + { + d3d11::SetDebugName(mBackBufferRTView, "Back buffer render target"); + } + + return resetOffscreenTexture(backbufferWidth, backbufferHeight); +} + +EGLint SwapChain11::reset(int backbufferWidth, int backbufferHeight, EGLint swapInterval) +{ + ID3D11Device *device = mRenderer->getDevice(); + + if (device == NULL) + { + return EGL_BAD_ACCESS; + } + + // Release specific resources to free up memory for the new render target, while the + // old render target still exists for the purpose of preserving its contents. + SafeRelease(mSwapChain); + SafeRelease(mBackBufferTexture); + SafeRelease(mBackBufferRTView); + + mSwapInterval = static_cast<unsigned int>(swapInterval); + if (mSwapInterval > 4) + { + // IDXGISwapChain::Present documentation states that valid sync intervals are in the [0,4] range + return EGL_BAD_PARAMETER; + } + + // EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains + if (backbufferWidth < 1 || backbufferHeight < 1) + { + releaseOffscreenTexture(); + return EGL_SUCCESS; + } + + if (mWindow) + { + IDXGIFactory *factory = mRenderer->getDxgiFactory(); +#if !defined(ANGLE_PLATFORM_WINRT) + DXGI_SWAP_CHAIN_DESC swapChainDesc = {0}; + swapChainDesc.BufferDesc.Width = backbufferWidth; + swapChainDesc.BufferDesc.Height = backbufferHeight; + swapChainDesc.BufferDesc.RefreshRate.Numerator = 0; + swapChainDesc.BufferDesc.RefreshRate.Denominator = 1; + swapChainDesc.BufferDesc.Format = gl_d3d11::GetTexFormat(mBackBufferFormat); + swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED; + swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED; + swapChainDesc.SampleDesc.Count = 1; + swapChainDesc.SampleDesc.Quality = 0; + swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + swapChainDesc.BufferCount = 1; + swapChainDesc.OutputWindow = mWindow; + swapChainDesc.Windowed = TRUE; + swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + swapChainDesc.Flags = 0; + + HRESULT result = factory->CreateSwapChain(device, &swapChainDesc, &mSwapChain); +#else + IDXGIFactory2 *factory2; + HRESULT result = factory->QueryInterface(IID_PPV_ARGS(&factory2)); + ASSERT(SUCCEEDED(result)); + + DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0}; + swapChainDesc.Width = 0; + swapChainDesc.Height = 0; + swapChainDesc.Format = gl_d3d11::GetTexFormat(mBackBufferFormat); + swapChainDesc.SampleDesc.Count = 1; + swapChainDesc.SampleDesc.Quality = 0; + swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + swapChainDesc.Stereo = FALSE; + swapChainDesc.Flags = 0; +#if WINAPI_FAMILY==WINAPI_FAMILY_PC_APP + swapChainDesc.Scaling = DXGI_SCALING_NONE; + swapChainDesc.BufferCount = 2; + swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL; +#elif WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP + swapChainDesc.BufferCount = 1; + swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; +#endif + + IDXGISwapChain1 *swapChain; + result = factory2->CreateSwapChainForCoreWindow(device, mWindow, &swapChainDesc, NULL, &swapChain); + mSwapChain = swapChain; + HRESULT hr = swapChain->GetDesc1(&swapChainDesc); + ASSERT(SUCCEEDED(hr)); + mViewportWidth = swapChainDesc.Width; + mViewportHeight = swapChainDesc.Height; +#endif + + if (FAILED(result)) + { + ERR("Could not create additional swap chains or offscreen surfaces: %08lX", result); + release(); + + if (d3d11::isDeviceLostError(result)) + { + return EGL_CONTEXT_LOST; + } + else + { + return EGL_BAD_ALLOC; + } + } + + result = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackBufferTexture); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mBackBufferTexture, "Back buffer texture"); + + result = device->CreateRenderTargetView(mBackBufferTexture, NULL, &mBackBufferRTView); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mBackBufferRTView, "Back buffer render target"); + } + + // If we are resizing the swap chain, we don't wish to recreate all the static resources + if (!mPassThroughResourcesInit) + { + mPassThroughResourcesInit = true; + initPassThroughResources(); + } + + return resetOffscreenTexture(backbufferWidth, backbufferHeight); +} + +void SwapChain11::initPassThroughResources() +{ + ID3D11Device *device = mRenderer->getDevice(); + + ASSERT(device != NULL); + + // Make sure our resources are all not allocated, when we create + ASSERT(mQuadVB == NULL && mPassThroughSampler == NULL); + ASSERT(mPassThroughIL == NULL && mPassThroughVS == NULL && mPassThroughPS == NULL); + + D3D11_BUFFER_DESC vbDesc; + vbDesc.ByteWidth = sizeof(d3d11::PositionTexCoordVertex) * 4; + vbDesc.Usage = D3D11_USAGE_DYNAMIC; + vbDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER; + vbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; + vbDesc.MiscFlags = 0; + vbDesc.StructureByteStride = 0; + + HRESULT result = device->CreateBuffer(&vbDesc, NULL, &mQuadVB); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mQuadVB, "Swap chain quad vertex buffer"); + + D3D11_SAMPLER_DESC samplerDesc; + samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT; + samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP; + samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP; + samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP; + samplerDesc.MipLODBias = 0.0f; + samplerDesc.MaxAnisotropy = 0; + samplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER; + samplerDesc.BorderColor[0] = 0.0f; + samplerDesc.BorderColor[1] = 0.0f; + samplerDesc.BorderColor[2] = 0.0f; + samplerDesc.BorderColor[3] = 0.0f; + samplerDesc.MinLOD = 0; + samplerDesc.MaxLOD = D3D11_FLOAT32_MAX; + + result = device->CreateSamplerState(&samplerDesc, &mPassThroughSampler); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mPassThroughSampler, "Swap chain pass through sampler"); + + D3D11_INPUT_ELEMENT_DESC quadLayout[] = + { + { "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 }, + { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0 }, + }; + + result = device->CreateInputLayout(quadLayout, 2, g_VS_Passthrough2D, sizeof(g_VS_Passthrough2D), &mPassThroughIL); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mPassThroughIL, "Swap chain pass through layout"); + + result = device->CreateVertexShader(g_VS_Passthrough2D, sizeof(g_VS_Passthrough2D), NULL, &mPassThroughVS); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mPassThroughVS, "Swap chain pass through vertex shader"); + + result = device->CreatePixelShader(g_PS_PassthroughRGBA2D, sizeof(g_PS_PassthroughRGBA2D), NULL, &mPassThroughPS); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mPassThroughPS, "Swap chain pass through pixel shader"); +} + +// parameters should be validated/clamped by caller +EGLint SwapChain11::swapRect(EGLint x, EGLint y, EGLint width, EGLint height, EGLint flags) +{ + if (!mSwapChain) + { + return EGL_SUCCESS; + } + + ID3D11Device *device = mRenderer->getDevice(); + ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); + + // Set vertices + D3D11_MAPPED_SUBRESOURCE mappedResource; + HRESULT result = deviceContext->Map(mQuadVB, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource); + if (FAILED(result)) + { + return EGL_BAD_ACCESS; + } + + d3d11::PositionTexCoordVertex *vertices = static_cast<d3d11::PositionTexCoordVertex*>(mappedResource.pData); + + // Create a quad in homogeneous coordinates + float x1 = (x / float(mWidth)) * 2.0f - 1.0f; + float y1 = (y / float(mHeight)) * 2.0f - 1.0f; + float x2 = ((x + width) / float(mWidth)) * 2.0f - 1.0f; + float y2 = ((y + height) / float(mHeight)) * 2.0f - 1.0f; + + float u1 = x / float(mWidth); + float v1 = y / float(mHeight); + float u2 = (x + width) / float(mWidth); + float v2 = (y + height) / float(mHeight); + + const int rotateL = flags & SWAP_ROTATE_90; + const int rotateR = flags & SWAP_ROTATE_270; + + d3d11::SetPositionTexCoordVertex(&vertices[0], x1, y1, rotateL ? u2 : u1, rotateR ? v2 : v1); + d3d11::SetPositionTexCoordVertex(&vertices[1], x1, y2, rotateR ? u2 : u1, rotateL ? v1 : v2); + d3d11::SetPositionTexCoordVertex(&vertices[2], x2, y1, rotateR ? u1 : u2, rotateL ? v2 : v1); + d3d11::SetPositionTexCoordVertex(&vertices[3], x2, y2, rotateL ? u1 : u2, rotateR ? v1 : v2); + + deviceContext->Unmap(mQuadVB, 0); + + static UINT stride = sizeof(d3d11::PositionTexCoordVertex); + static UINT startIdx = 0; + deviceContext->IASetVertexBuffers(0, 1, &mQuadVB, &stride, &startIdx); + + // Apply state + deviceContext->OMSetDepthStencilState(NULL, 0xFFFFFFFF); + + static const float blendFactor[4] = { 1.0f, 1.0f, 1.0f, 1.0f }; + deviceContext->OMSetBlendState(NULL, blendFactor, 0xFFFFFFF); + + deviceContext->RSSetState(NULL); + + // Apply shaders + deviceContext->IASetInputLayout(mPassThroughIL); + deviceContext->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP); + deviceContext->VSSetShader(mPassThroughVS, NULL, 0); + deviceContext->PSSetShader(mPassThroughPS, NULL, 0); + deviceContext->GSSetShader(NULL, NULL, 0); + + // Apply render targets + mRenderer->setOneTimeRenderTarget(mBackBufferRTView); + + // Set the viewport + D3D11_VIEWPORT viewport; + viewport.TopLeftX = 0; + viewport.TopLeftY = 0; + viewport.Width = mViewportWidth; + viewport.Height = mViewportHeight; + viewport.MinDepth = 0.0f; + viewport.MaxDepth = 1.0f; + deviceContext->RSSetViewports(1, &viewport); + + // Apply textures + deviceContext->PSSetShaderResources(0, 1, &mOffscreenSRView); + deviceContext->PSSetSamplers(0, 1, &mPassThroughSampler); + + // Draw + deviceContext->Draw(4, 0); + +#if ANGLE_FORCE_VSYNC_OFF + result = mSwapChain->Present(0, 0); +#else + result = mSwapChain->Present(mSwapInterval, 0); +#endif + + if (result == DXGI_ERROR_DEVICE_REMOVED) + { + HRESULT removedReason = device->GetDeviceRemovedReason(); + UNUSED_TRACE_VARIABLE(removedReason); + ERR("Present failed: the D3D11 device was removed: 0x%08X", removedReason); + return EGL_CONTEXT_LOST; + } + else if (result == DXGI_ERROR_DEVICE_RESET) + { + ERR("Present failed: the D3D11 device was reset from a bad command."); + return EGL_CONTEXT_LOST; + } + else if (FAILED(result)) + { + ERR("Present failed with error code 0x%08X", result); + } + + // Unbind + static ID3D11ShaderResourceView *const nullSRV = NULL; + deviceContext->PSSetShaderResources(0, 1, &nullSRV); + + mRenderer->unapplyRenderTargets(); + mRenderer->markAllStateDirty(); + + return EGL_SUCCESS; +} + +ID3D11Texture2D *SwapChain11::getOffscreenTexture() +{ + return mOffscreenTexture; +} + +ID3D11RenderTargetView *SwapChain11::getRenderTarget() +{ + return mOffscreenRTView; +} + +ID3D11ShaderResourceView *SwapChain11::getRenderTargetShaderResource() +{ + return mOffscreenSRView; +} + +ID3D11DepthStencilView *SwapChain11::getDepthStencil() +{ + return mDepthStencilDSView; +} + +ID3D11ShaderResourceView * SwapChain11::getDepthStencilShaderResource() +{ + return mDepthStencilSRView; +} + +ID3D11Texture2D *SwapChain11::getDepthStencilTexture() +{ + return mDepthStencilTexture; +} + +SwapChain11 *SwapChain11::makeSwapChain11(SwapChain *swapChain) +{ + ASSERT(HAS_DYNAMIC_TYPE(rx::SwapChain11*, swapChain)); + return static_cast<rx::SwapChain11*>(swapChain); +} + +void SwapChain11::recreate() +{ + // possibly should use this method instead of reset +} + +} |