michael@0: #include "precompiled.h"
michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // RenderTarget11.cpp: Implements a DX11-specific wrapper for ID3D11View pointers
michael@0: // retained by Renderbuffers.
michael@0: 
michael@0: #include "libGLESv2/renderer/RenderTarget11.h"
michael@0: #include "libGLESv2/renderer/Renderer11.h"
michael@0: 
michael@0: #include "libGLESv2/renderer/renderer11_utils.h"
michael@0: #include "libGLESv2/main.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: 
michael@0: static unsigned int getRTVSubresourceIndex(ID3D11Texture2D *texture, ID3D11RenderTargetView *view)
michael@0: {
michael@0:     D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
michael@0:     view->GetDesc(&rtvDesc);
michael@0: 
michael@0:     D3D11_TEXTURE2D_DESC texDesc;
michael@0:     texture->GetDesc(&texDesc);
michael@0: 
michael@0:     unsigned int mipSlice = 0;
michael@0:     unsigned int arraySlice = 0;
michael@0:     unsigned int mipLevels = texDesc.MipLevels;
michael@0: 
michael@0:     switch (rtvDesc.ViewDimension)
michael@0:     {
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE1D:
michael@0:         mipSlice = rtvDesc.Texture1D.MipSlice;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE1DARRAY:
michael@0:         mipSlice = rtvDesc.Texture1DArray.MipSlice;
michael@0:         arraySlice = rtvDesc.Texture1DArray.FirstArraySlice;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE2D:
michael@0:         mipSlice = rtvDesc.Texture2D.MipSlice;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE2DARRAY:
michael@0:         mipSlice = rtvDesc.Texture2DArray.MipSlice;
michael@0:         arraySlice = rtvDesc.Texture2DArray.FirstArraySlice;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE2DMS:
michael@0:         mipSlice = 0;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY:
michael@0:         mipSlice = 0;
michael@0:         arraySlice = rtvDesc.Texture2DMSArray.FirstArraySlice;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_TEXTURE3D:
michael@0:         mipSlice = rtvDesc.Texture3D.MipSlice;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_UNKNOWN:
michael@0:       case D3D11_RTV_DIMENSION_BUFFER:
michael@0:         UNIMPLEMENTED();
michael@0:         break;
michael@0: 
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     return D3D11CalcSubresource(mipSlice, arraySlice, mipLevels);
michael@0: }
michael@0: 
michael@0: static unsigned int getDSVSubresourceIndex(ID3D11Texture2D *texture, ID3D11DepthStencilView *view)
michael@0: {
michael@0:     D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
michael@0:     view->GetDesc(&dsvDesc);
michael@0: 
michael@0:     D3D11_TEXTURE2D_DESC texDesc;
michael@0:     texture->GetDesc(&texDesc);
michael@0: 
michael@0:     unsigned int mipSlice = 0;
michael@0:     unsigned int arraySlice = 0;
michael@0:     unsigned int mipLevels = texDesc.MipLevels;
michael@0: 
michael@0:     switch (dsvDesc.ViewDimension)
michael@0:     {
michael@0:       case D3D11_DSV_DIMENSION_TEXTURE1D:
michael@0:         mipSlice = dsvDesc.Texture1D.MipSlice;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_DSV_DIMENSION_TEXTURE1DARRAY:
michael@0:         mipSlice = dsvDesc.Texture1DArray.MipSlice;
michael@0:         arraySlice = dsvDesc.Texture1DArray.FirstArraySlice;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_DSV_DIMENSION_TEXTURE2D:
michael@0:         mipSlice = dsvDesc.Texture2D.MipSlice;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_DSV_DIMENSION_TEXTURE2DARRAY:
michael@0:         mipSlice = dsvDesc.Texture2DArray.MipSlice;
michael@0:         arraySlice = dsvDesc.Texture2DArray.FirstArraySlice;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_DSV_DIMENSION_TEXTURE2DMS:
michael@0:         mipSlice = 0;
michael@0:         arraySlice = 0;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_DSV_DIMENSION_TEXTURE2DMSARRAY:
michael@0:         mipSlice = 0;
michael@0:         arraySlice = dsvDesc.Texture2DMSArray.FirstArraySlice;
michael@0:         break;
michael@0: 
michael@0:       case D3D11_RTV_DIMENSION_UNKNOWN:
michael@0:         UNIMPLEMENTED();
michael@0:         break;
michael@0: 
michael@0:       default:
michael@0:         UNREACHABLE();
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     return D3D11CalcSubresource(mipSlice, arraySlice, mipLevels);
michael@0: }
michael@0: 
michael@0: RenderTarget11::RenderTarget11(Renderer *renderer, ID3D11RenderTargetView *rtv, ID3D11Texture2D *tex, ID3D11ShaderResourceView *srv, GLsizei width, GLsizei height)
michael@0: {
michael@0:     mRenderer = Renderer11::makeRenderer11(renderer);
michael@0:     mTexture = tex;
michael@0:     mRenderTarget = rtv;
michael@0:     mDepthStencil = NULL;
michael@0:     mShaderResource = srv;
michael@0:     mSubresourceIndex = 0;
michael@0: 
michael@0:     if (mRenderTarget && mTexture)
michael@0:     {
michael@0:         D3D11_RENDER_TARGET_VIEW_DESC desc;
michael@0:         mRenderTarget->GetDesc(&desc);
michael@0: 
michael@0:         D3D11_TEXTURE2D_DESC texDesc;
michael@0:         mTexture->GetDesc(&texDesc);
michael@0: 
michael@0:         mSubresourceIndex = getRTVSubresourceIndex(mTexture, mRenderTarget);
michael@0:         mWidth = width;
michael@0:         mHeight = height;
michael@0:         mSamples = (texDesc.SampleDesc.Count > 1) ? texDesc.SampleDesc.Count : 0;
michael@0: 
michael@0:         mInternalFormat = d3d11_gl::ConvertTextureInternalFormat(desc.Format);
michael@0:         mActualFormat = d3d11_gl::ConvertTextureInternalFormat(desc.Format);
michael@0:     }
michael@0: }
michael@0: 
michael@0: RenderTarget11::RenderTarget11(Renderer *renderer, ID3D11DepthStencilView *dsv, ID3D11Texture2D *tex, ID3D11ShaderResourceView *srv, GLsizei width, GLsizei height)
michael@0: {
michael@0:     mRenderer = Renderer11::makeRenderer11(renderer);
michael@0:     mTexture = tex;
michael@0:     mRenderTarget = NULL;
michael@0:     mDepthStencil = dsv;
michael@0:     mShaderResource = srv;
michael@0:     mSubresourceIndex = 0;
michael@0: 
michael@0:     if (mDepthStencil && mTexture)
michael@0:     {
michael@0:         D3D11_DEPTH_STENCIL_VIEW_DESC desc;
michael@0:         mDepthStencil->GetDesc(&desc);
michael@0: 
michael@0:         D3D11_TEXTURE2D_DESC texDesc;
michael@0:         mTexture->GetDesc(&texDesc);
michael@0: 
michael@0:         mSubresourceIndex = getDSVSubresourceIndex(mTexture, mDepthStencil);
michael@0:         mWidth = width;
michael@0:         mHeight = height;
michael@0:         mSamples = (texDesc.SampleDesc.Count > 1) ? texDesc.SampleDesc.Count : 0;
michael@0: 
michael@0:         mInternalFormat = d3d11_gl::ConvertTextureInternalFormat(desc.Format);
michael@0:         mActualFormat = d3d11_gl::ConvertTextureInternalFormat(desc.Format);
michael@0:     }
michael@0: }
michael@0: 
michael@0: RenderTarget11::RenderTarget11(Renderer *renderer, GLsizei width, GLsizei height, GLenum format, GLsizei samples, bool depth)
michael@0: {
michael@0:     mRenderer = Renderer11::makeRenderer11(renderer);
michael@0:     mTexture = NULL;
michael@0:     mRenderTarget = NULL;
michael@0:     mDepthStencil = NULL;
michael@0:     mShaderResource = NULL;
michael@0: 
michael@0:     DXGI_FORMAT requestedFormat = gl_d3d11::ConvertRenderbufferFormat(format);
michael@0: 
michael@0:     int supportedSamples = mRenderer->getNearestSupportedSamples(requestedFormat, samples);
michael@0:     if (supportedSamples < 0)
michael@0:     {
michael@0:         gl::error(GL_OUT_OF_MEMORY);
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     if (width > 0 && height > 0)
michael@0:     {
michael@0:         // Create texture resource
michael@0:         D3D11_TEXTURE2D_DESC desc;
michael@0:         desc.Width = width; 
michael@0:         desc.Height = height;
michael@0:         desc.MipLevels = 1;
michael@0:         desc.ArraySize = 1;
michael@0:         desc.Format = requestedFormat;
michael@0:         desc.SampleDesc.Count = (supportedSamples == 0) ? 1 : supportedSamples;
michael@0:         desc.SampleDesc.Quality = 0;
michael@0:         desc.Usage = D3D11_USAGE_DEFAULT;
michael@0:         desc.CPUAccessFlags = 0;
michael@0:         desc.MiscFlags = 0;
michael@0:         desc.BindFlags = (depth ? D3D11_BIND_DEPTH_STENCIL : (D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE));
michael@0: 
michael@0:         ID3D11Device *device = mRenderer->getDevice();
michael@0:         HRESULT result = device->CreateTexture2D(&desc, NULL, &mTexture);
michael@0: 
michael@0:         if (result == E_OUTOFMEMORY)
michael@0:         {
michael@0:             gl::error(GL_OUT_OF_MEMORY);
michael@0:             return;
michael@0:         }
michael@0:         ASSERT(SUCCEEDED(result));
michael@0: 
michael@0:         if (depth)
michael@0:         {
michael@0:             D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
michael@0:             dsvDesc.Format = requestedFormat;
michael@0:             dsvDesc.ViewDimension = (supportedSamples == 0) ? D3D11_DSV_DIMENSION_TEXTURE2D : D3D11_DSV_DIMENSION_TEXTURE2DMS;
michael@0:             dsvDesc.Texture2D.MipSlice = 0;
michael@0:             dsvDesc.Flags = 0;
michael@0:             result = device->CreateDepthStencilView(mTexture, &dsvDesc, &mDepthStencil);
michael@0: 
michael@0:             if (result == E_OUTOFMEMORY)
michael@0:             {
michael@0:                 mTexture->Release();
michael@0:                 mTexture = NULL;
michael@0:                 gl::error(GL_OUT_OF_MEMORY);
michael@0:             }
michael@0:             ASSERT(SUCCEEDED(result));
michael@0:         }
michael@0:         else
michael@0:         {
michael@0:             D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
michael@0:             rtvDesc.Format = requestedFormat;
michael@0:             rtvDesc.ViewDimension = (supportedSamples == 0) ? D3D11_RTV_DIMENSION_TEXTURE2D : D3D11_RTV_DIMENSION_TEXTURE2DMS;
michael@0:             rtvDesc.Texture2D.MipSlice = 0;
michael@0:             result = device->CreateRenderTargetView(mTexture, &rtvDesc, &mRenderTarget);
michael@0: 
michael@0:             if (result == E_OUTOFMEMORY)
michael@0:             {
michael@0:                 mTexture->Release();
michael@0:                 mTexture = NULL;
michael@0:                 gl::error(GL_OUT_OF_MEMORY);
michael@0:                 return;
michael@0:             }
michael@0:             ASSERT(SUCCEEDED(result));
michael@0: 
michael@0:             D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
michael@0:             srvDesc.Format = requestedFormat;
michael@0:             srvDesc.ViewDimension = (supportedSamples == 0) ? D3D11_SRV_DIMENSION_TEXTURE2D : D3D11_SRV_DIMENSION_TEXTURE2DMS;
michael@0:             srvDesc.Texture2D.MostDetailedMip = 0;
michael@0:             srvDesc.Texture2D.MipLevels = 1;
michael@0:             result = device->CreateShaderResourceView(mTexture, &srvDesc, &mShaderResource);
michael@0: 
michael@0:             if (result == E_OUTOFMEMORY)
michael@0:             {
michael@0:                 mTexture->Release();
michael@0:                 mTexture = NULL;
michael@0:                 mRenderTarget->Release();
michael@0:                 mRenderTarget = NULL;
michael@0:                 gl::error(GL_OUT_OF_MEMORY);
michael@0:                 return;
michael@0:             }
michael@0:             ASSERT(SUCCEEDED(result));
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     mWidth = width;
michael@0:     mHeight = height;
michael@0:     mInternalFormat = format;
michael@0:     mSamples = supportedSamples;
michael@0:     mActualFormat = d3d11_gl::ConvertTextureInternalFormat(requestedFormat);
michael@0:     mSubresourceIndex = D3D11CalcSubresource(0, 0, 1);
michael@0: }
michael@0: 
michael@0: RenderTarget11::~RenderTarget11()
michael@0: {
michael@0:     if (mTexture)
michael@0:     {
michael@0:         mTexture->Release();
michael@0:         mTexture = NULL;
michael@0:     }
michael@0: 
michael@0:     if (mRenderTarget)
michael@0:     {
michael@0:         mRenderTarget->Release();
michael@0:         mRenderTarget = NULL;
michael@0:     }
michael@0: 
michael@0:     if (mDepthStencil)
michael@0:     {
michael@0:         mDepthStencil->Release();
michael@0:         mDepthStencil = NULL;
michael@0:     }
michael@0: 
michael@0:     if (mShaderResource)
michael@0:     {
michael@0:         mShaderResource->Release();
michael@0:         mShaderResource = NULL;
michael@0:     }
michael@0: }
michael@0: 
michael@0: RenderTarget11 *RenderTarget11::makeRenderTarget11(RenderTarget *target)
michael@0: {
michael@0:     ASSERT(HAS_DYNAMIC_TYPE(rx::RenderTarget11*, target));
michael@0:     return static_cast<rx::RenderTarget11*>(target);
michael@0: }
michael@0: 
michael@0: ID3D11Texture2D *RenderTarget11::getTexture() const
michael@0: {
michael@0:     return mTexture;
michael@0: }
michael@0: 
michael@0: ID3D11RenderTargetView *RenderTarget11::getRenderTargetView() const
michael@0: {
michael@0:     return mRenderTarget;
michael@0: }
michael@0: 
michael@0: ID3D11DepthStencilView *RenderTarget11::getDepthStencilView() const
michael@0: {
michael@0:     return mDepthStencil;
michael@0: }
michael@0: 
michael@0: ID3D11ShaderResourceView *RenderTarget11::getShaderResourceView() const
michael@0: {
michael@0:     return mShaderResource;
michael@0: }
michael@0: 
michael@0: unsigned int RenderTarget11::getSubresourceIndex() const
michael@0: {
michael@0:     return mSubresourceIndex;
michael@0: }
michael@0: 
michael@0: }