1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/d3d11/TextureD3D11.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,248 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef MOZILLA_GFX_TEXTURED3D11_H
1.10 +#define MOZILLA_GFX_TEXTURED3D11_H
1.11 +
1.12 +#include "mozilla/layers/Compositor.h"
1.13 +#include "mozilla/layers/TextureClient.h"
1.14 +#include "mozilla/layers/TextureHost.h"
1.15 +#include "gfxWindowsPlatform.h"
1.16 +#include "mozilla/GfxMessageUtils.h"
1.17 +#include <d3d11.h>
1.18 +#include <vector>
1.19 +
1.20 +class gfxD2DSurface;
1.21 +
1.22 +namespace mozilla {
1.23 +namespace layers {
1.24 +
1.25 +class CompositorD3D11;
1.26 +
1.27 +/**
1.28 + * A TextureClient to share a D3D10 texture with the compositor thread.
1.29 + * The corresponding TextureHost is DXGITextureHostD3D11
1.30 + */
1.31 +class TextureClientD3D11 : public TextureClient
1.32 +{
1.33 +public:
1.34 + TextureClientD3D11(gfx::SurfaceFormat aFormat, TextureFlags aFlags);
1.35 +
1.36 + virtual ~TextureClientD3D11();
1.37 +
1.38 + // TextureClient
1.39 +
1.40 + virtual bool IsAllocated() const MOZ_OVERRIDE { return !!mTexture; }
1.41 +
1.42 + virtual bool Lock(OpenMode aOpenMode) MOZ_OVERRIDE;
1.43 +
1.44 + virtual void Unlock() MOZ_OVERRIDE;
1.45 +
1.46 + virtual bool IsLocked() const MOZ_OVERRIDE { return mIsLocked; }
1.47 +
1.48 + virtual bool ImplementsLocking() const MOZ_OVERRIDE { return true; }
1.49 +
1.50 + virtual bool HasInternalBuffer() const MOZ_OVERRIDE { return false; }
1.51 +
1.52 + virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE;
1.53 +
1.54 + virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
1.55 +
1.56 + virtual TextureClientData* DropTextureData() MOZ_OVERRIDE { return nullptr; }
1.57 +
1.58 + virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE { return mFormat; }
1.59 +
1.60 + virtual bool CanExposeDrawTarget() const MOZ_OVERRIDE { return true; }
1.61 +
1.62 + virtual TemporaryRef<gfx::DrawTarget> GetAsDrawTarget() MOZ_OVERRIDE;
1.63 +
1.64 + virtual bool AllocateForSurface(gfx::IntSize aSize,
1.65 + TextureAllocationFlags aFlags = ALLOC_DEFAULT) MOZ_OVERRIDE;
1.66 +
1.67 +protected:
1.68 + gfx::IntSize mSize;
1.69 + RefPtr<ID3D10Texture2D> mTexture;
1.70 + RefPtr<gfx::DrawTarget> mDrawTarget;
1.71 + gfx::SurfaceFormat mFormat;
1.72 + bool mIsLocked;
1.73 + bool mNeedsClear;
1.74 +};
1.75 +
1.76 +/**
1.77 + * TextureSource that provides with the necessary APIs to be composited by a
1.78 + * CompositorD3D11.
1.79 + */
1.80 +class TextureSourceD3D11
1.81 +{
1.82 +public:
1.83 + TextureSourceD3D11() {}
1.84 + virtual ~TextureSourceD3D11() {}
1.85 +
1.86 + virtual ID3D11Texture2D* GetD3D11Texture() const { return mTexture; }
1.87 +
1.88 +protected:
1.89 + virtual gfx::IntSize GetSize() const { return mSize; }
1.90 +
1.91 + gfx::IntSize mSize;
1.92 + RefPtr<ID3D11Texture2D> mTexture;
1.93 +};
1.94 +
1.95 +/**
1.96 + * A TextureSource that implements the DataTextureSource interface.
1.97 + * it can be used without a TextureHost and is able to upload texture data
1.98 + * from a gfx::DataSourceSurface.
1.99 + */
1.100 +class DataTextureSourceD3D11 : public DataTextureSource
1.101 + , public TextureSourceD3D11
1.102 + , public TileIterator
1.103 +{
1.104 +public:
1.105 + DataTextureSourceD3D11(gfx::SurfaceFormat aFormat, CompositorD3D11* aCompositor,
1.106 + TextureFlags aFlags);
1.107 +
1.108 + DataTextureSourceD3D11(gfx::SurfaceFormat aFormat, CompositorD3D11* aCompositor,
1.109 + ID3D11Texture2D* aTexture);
1.110 +
1.111 + virtual ~DataTextureSourceD3D11();
1.112 +
1.113 +
1.114 + // DataTextureSource
1.115 +
1.116 + virtual bool Update(gfx::DataSourceSurface* aSurface,
1.117 + nsIntRegion* aDestRegion = nullptr,
1.118 + gfx::IntPoint* aSrcOffset = nullptr) MOZ_OVERRIDE;
1.119 +
1.120 + // TextureSource
1.121 +
1.122 + virtual TextureSourceD3D11* AsSourceD3D11() MOZ_OVERRIDE { return this; }
1.123 +
1.124 + virtual ID3D11Texture2D* GetD3D11Texture() const MOZ_OVERRIDE;
1.125 +
1.126 + virtual DataTextureSource* AsDataTextureSource() MOZ_OVERRIDE { return this; }
1.127 +
1.128 + virtual void DeallocateDeviceData() MOZ_OVERRIDE { mTexture = nullptr; }
1.129 +
1.130 + virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
1.131 +
1.132 + virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE { return mFormat; }
1.133 +
1.134 + virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
1.135 +
1.136 + // TileIterator
1.137 +
1.138 + virtual TileIterator* AsTileIterator() MOZ_OVERRIDE { return mIsTiled ? this : nullptr; }
1.139 +
1.140 + virtual size_t GetTileCount() MOZ_OVERRIDE { return mTileTextures.size(); }
1.141 +
1.142 + virtual bool NextTile() MOZ_OVERRIDE { return (++mCurrentTile < mTileTextures.size()); }
1.143 +
1.144 + virtual nsIntRect GetTileRect() MOZ_OVERRIDE;
1.145 +
1.146 + virtual void EndTileIteration() MOZ_OVERRIDE { mIterating = false; }
1.147 +
1.148 + virtual void BeginTileIteration() MOZ_OVERRIDE
1.149 + {
1.150 + mIterating = true;
1.151 + mCurrentTile = 0;
1.152 + }
1.153 +
1.154 +protected:
1.155 + gfx::IntRect GetTileRect(uint32_t aIndex) const;
1.156 +
1.157 + void Reset();
1.158 +
1.159 + std::vector< RefPtr<ID3D11Texture2D> > mTileTextures;
1.160 + RefPtr<CompositorD3D11> mCompositor;
1.161 + gfx::SurfaceFormat mFormat;
1.162 + TextureFlags mFlags;
1.163 + uint32_t mCurrentTile;
1.164 + bool mIsTiled;
1.165 + bool mIterating;
1.166 +
1.167 +};
1.168 +
1.169 +/**
1.170 + * A TextureHost for shared D3D11 textures.
1.171 + */
1.172 +class DXGITextureHostD3D11 : public TextureHost
1.173 +{
1.174 +public:
1.175 + DXGITextureHostD3D11(TextureFlags aFlags,
1.176 + const SurfaceDescriptorD3D10& aDescriptor);
1.177 +
1.178 + virtual NewTextureSource* GetTextureSources() MOZ_OVERRIDE;
1.179 +
1.180 + virtual void DeallocateDeviceData() MOZ_OVERRIDE {}
1.181 +
1.182 + virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
1.183 +
1.184 + virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE { return mFormat; }
1.185 +
1.186 + virtual bool Lock() MOZ_OVERRIDE;
1.187 +
1.188 + virtual void Unlock() MOZ_OVERRIDE;
1.189 +
1.190 + virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
1.191 +
1.192 + virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE
1.193 + {
1.194 + return nullptr;
1.195 + }
1.196 +
1.197 +protected:
1.198 + ID3D11Device* GetDevice();
1.199 +
1.200 + RefPtr<DataTextureSourceD3D11> mTextureSource;
1.201 + RefPtr<CompositorD3D11> mCompositor;
1.202 + gfx::IntSize mSize;
1.203 + WindowsHandle mHandle;
1.204 + gfx::SurfaceFormat mFormat;
1.205 + bool mIsLocked;
1.206 +};
1.207 +
1.208 +class CompositingRenderTargetD3D11 : public CompositingRenderTarget,
1.209 + public TextureSourceD3D11
1.210 +{
1.211 +public:
1.212 + CompositingRenderTargetD3D11(ID3D11Texture2D* aTexture,
1.213 + const gfx::IntPoint& aOrigin);
1.214 +
1.215 + virtual TextureSourceD3D11* AsSourceD3D11() MOZ_OVERRIDE { return this; }
1.216 +
1.217 + virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
1.218 +
1.219 + void SetSize(const gfx::IntSize& aSize) { mSize = aSize; }
1.220 +
1.221 +private:
1.222 + friend class CompositorD3D11;
1.223 +
1.224 + RefPtr<ID3D11RenderTargetView> mRTView;
1.225 +};
1.226 +
1.227 +inline uint32_t GetMaxTextureSizeForFeatureLevel(D3D_FEATURE_LEVEL aFeatureLevel)
1.228 +{
1.229 + int32_t maxTextureSize;
1.230 + switch (aFeatureLevel) {
1.231 + case D3D_FEATURE_LEVEL_11_1:
1.232 + case D3D_FEATURE_LEVEL_11_0:
1.233 + maxTextureSize = D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
1.234 + break;
1.235 + case D3D_FEATURE_LEVEL_10_1:
1.236 + case D3D_FEATURE_LEVEL_10_0:
1.237 + maxTextureSize = D3D10_REQ_TEXTURE2D_U_OR_V_DIMENSION;
1.238 + break;
1.239 + case D3D_FEATURE_LEVEL_9_3:
1.240 + maxTextureSize = D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
1.241 + break;
1.242 + default:
1.243 + maxTextureSize = D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
1.244 + }
1.245 + return maxTextureSize;
1.246 +}
1.247 +
1.248 +}
1.249 +}
1.250 +
1.251 +#endif /* MOZILLA_GFX_TEXTURED3D11_H */
