1 files changed, 517 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
new file mode 100644
index 0000000000..256808637f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
@@ -0,0 +1,517 @@
+//
+// Copyright 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.
+//
+
+// SurfaceD3D.cpp: D3D implementation of an EGL surface
+
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/renderer/Format.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+
+#include <EGL/eglext.h>
+#include <tchar.h>
+#include <algorithm>
+
+namespace rx
+{
+
+SurfaceD3D::SurfaceD3D(const egl::SurfaceState &state,
+                       RendererD3D *renderer,
+                       egl::Display *display,
+                       EGLNativeWindowType window,
+                       EGLenum buftype,
+                       EGLClientBuffer clientBuffer,
+                       const egl::AttributeMap &attribs)
+    : SurfaceImpl(state),
+      mRenderer(renderer),
+      mDisplay(display),
+      mFixedSize(window == nullptr || attribs.get(EGL_FIXED_SIZE_ANGLE, EGL_FALSE) == EGL_TRUE),
+      mFixedWidth(0),
+      mFixedHeight(0),
+      mOrientation(static_cast<EGLint>(attribs.get(EGL_SURFACE_ORIENTATION_ANGLE, 0))),
+      mRenderTargetFormat(state.config->renderTargetFormat),
+      mDepthStencilFormat(state.config->depthStencilFormat),
+      mColorFormat(nullptr),
+      mSwapChain(nullptr),
+      mSwapIntervalDirty(true),
+      mNativeWindow(renderer->createNativeWindow(window, state.config, attribs)),
+      mWidth(static_cast<EGLint>(attribs.get(EGL_WIDTH, 0))),
+      mHeight(static_cast<EGLint>(attribs.get(EGL_HEIGHT, 0))),
+      mSwapInterval(1),
+      mShareHandle(0),
+      mD3DTexture(nullptr),
+      mBuftype(buftype)
+{
+    if (window != nullptr && !mFixedSize)
+    {
+        mWidth  = -1;
+        mHeight = -1;
+    }
+
+    if (mFixedSize)
+    {
+        mFixedWidth  = mWidth;
+        mFixedHeight = mHeight;
+    }
+
+    switch (buftype)
+    {
+        case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
+            mShareHandle = static_cast<HANDLE>(clientBuffer);
+            break;
+
+        case EGL_D3D_TEXTURE_ANGLE:
+            mD3DTexture = static_cast<IUnknown *>(clientBuffer);
+            ASSERT(mD3DTexture != nullptr);
+            mD3DTexture->AddRef();
+            break;
+
+        default:
+            break;
+    }
+}
+
+SurfaceD3D::~SurfaceD3D()
+{
+    releaseSwapChain();
+    SafeDelete(mNativeWindow);
+    SafeRelease(mD3DTexture);
+}
+
+void SurfaceD3D::releaseSwapChain()
+{
+    SafeDelete(mSwapChain);
+}
+
+egl::Error SurfaceD3D::initialize(const egl::Display *display)
+{
+    if (mNativeWindow->getNativeWindow())
+    {
+        if (!mNativeWindow->initialize())
+        {
+            return egl::EglBadSurface();
+        }
+    }
+
+    if (mBuftype == EGL_D3D_TEXTURE_ANGLE)
+    {
+        ANGLE_TRY(mRenderer->getD3DTextureInfo(mState.config, mD3DTexture, mState.attributes,
+                                               &mFixedWidth, &mFixedHeight, nullptr, nullptr,
+                                               &mColorFormat, nullptr));
+        if (mState.attributes.contains(EGL_GL_COLORSPACE))
+        {
+            if (mColorFormat->id != angle::FormatID::R8G8B8A8_TYPELESS &&
+                mColorFormat->id != angle::FormatID::B8G8R8A8_TYPELESS)
+            {
+                return egl::EglBadMatch()
+                       << "EGL_GL_COLORSPACE may only be specified for TYPELESS textures";
+            }
+        }
+        if (mColorFormat->id == angle::FormatID::R8G8B8A8_TYPELESS)
+        {
+            EGLAttrib colorspace =
+                mState.attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR);
+            if (colorspace == EGL_GL_COLORSPACE_SRGB)
+            {
+                mColorFormat = &angle::Format::Get(angle::FormatID::R8G8B8A8_TYPELESS_SRGB);
+            }
+        }
+        if (mColorFormat->id == angle::FormatID::B8G8R8A8_TYPELESS)
+        {
+            EGLAttrib colorspace =
+                mState.attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR);
+            if (colorspace == EGL_GL_COLORSPACE_SRGB)
+            {
+                mColorFormat = &angle::Format::Get(angle::FormatID::B8G8R8A8_TYPELESS_SRGB);
+            }
+        }
+        mRenderTargetFormat = mColorFormat->fboImplementationInternalFormat;
+    }
+
+    ANGLE_TRY(resetSwapChain(display));
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::bindTexImage(const gl::Context *, gl::Texture *, EGLint)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::releaseTexImage(const gl::Context *, EGLint)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
+{
+    if (!mState.directComposition)
+    {
+        return egl::EglBadSurface()
+               << "getSyncValues: surface requires Direct Composition to be enabled";
+    }
+
+    return mSwapChain->getSyncValues(ust, msc, sbc);
+}
+
+egl::Error SurfaceD3D::getMscRate(EGLint *numerator, EGLint *denominator)
+{
+    UNIMPLEMENTED();
+    return egl::EglBadAccess();
+}
+
+egl::Error SurfaceD3D::resetSwapChain(const egl::Display *display)
+{
+    ASSERT(!mSwapChain);
+
+    int width;
+    int height;
+
+    if (!mFixedSize)
+    {
+        RECT windowRect;
+        if (!mNativeWindow->getClientRect(&windowRect))
+        {
+            ASSERT(false);
+
+            return egl::EglBadSurface() << "Could not retrieve the window dimensions";
+        }
+
+        width  = windowRect.right - windowRect.left;
+        height = windowRect.bottom - windowRect.top;
+    }
+    else
+    {
+        // non-window surface - size is determined at creation
+        width  = mFixedWidth;
+        height = mFixedHeight;
+    }
+
+    mSwapChain =
+        mRenderer->createSwapChain(mNativeWindow, mShareHandle, mD3DTexture, mRenderTargetFormat,
+                                   mDepthStencilFormat, mOrientation, mState.config->samples);
+    if (!mSwapChain)
+    {
+        return egl::EglBadAlloc();
+    }
+
+    // This is a bit risky to pass the proxy context here, but it can happen at almost any time.
+    DisplayD3D *displayD3D = GetImplAs<DisplayD3D>(display);
+    egl::Error error       = resetSwapChain(displayD3D, width, height);
+    if (error.isError())
+    {
+        SafeDelete(mSwapChain);
+        return error;
+    }
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::resizeSwapChain(DisplayD3D *displayD3D,
+                                       int backbufferWidth,
+                                       int backbufferHeight)
+{
+    ASSERT(backbufferWidth >= 0 && backbufferHeight >= 0);
+    ASSERT(mSwapChain);
+
+    EGLint status =
+        mSwapChain->resize(displayD3D, std::max(1, backbufferWidth), std::max(1, backbufferHeight));
+
+    if (status == EGL_CONTEXT_LOST)
+    {
+        mDisplay->notifyDeviceLost();
+        return egl::Error(status);
+    }
+    else if (status != EGL_SUCCESS)
+    {
+        return egl::Error(status);
+    }
+
+    mWidth  = backbufferWidth;
+    mHeight = backbufferHeight;
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::resetSwapChain(DisplayD3D *displayD3D,
+                                      int backbufferWidth,
+                                      int backbufferHeight)
+{
+    ASSERT(backbufferWidth >= 0 && backbufferHeight >= 0);
+    ASSERT(mSwapChain);
+
+    EGLint status = mSwapChain->reset(displayD3D, std::max(1, backbufferWidth),
+                                      std::max(1, backbufferHeight), mSwapInterval);
+
+    if (status == EGL_CONTEXT_LOST)
+    {
+        mRenderer->notifyDeviceLost();
+        return egl::Error(status);
+    }
+    else if (status != EGL_SUCCESS)
+    {
+        return egl::Error(status);
+    }
+
+    mWidth             = backbufferWidth;
+    mHeight            = backbufferHeight;
+    mSwapIntervalDirty = false;
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::swapRect(DisplayD3D *displayD3D,
+                                EGLint x,
+                                EGLint y,
+                                EGLint width,
+                                EGLint height)
+{
+    if (!mSwapChain)
+    {
+        return egl::NoError();
+    }
+
+    if (x + width > mWidth)
+    {
+        width = mWidth - x;
+    }
+
+    if (y + height > mHeight)
+    {
+        height = mHeight - y;
+    }
+
+    if (width != 0 && height != 0)
+    {
+        EGLint status = mSwapChain->swapRect(displayD3D, x, y, width, height);
+
+        if (status == EGL_CONTEXT_LOST)
+        {
+            mRenderer->notifyDeviceLost();
+            return egl::Error(status);
+        }
+        else if (status != EGL_SUCCESS)
+        {
+            return egl::Error(status);
+        }
+    }
+
+    ANGLE_TRY(checkForOutOfDateSwapChain(displayD3D));
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::checkForOutOfDateSwapChain(DisplayD3D *displayD3D)
+{
+    RECT client;
+    int clientWidth  = getWidth();
+    int clientHeight = getHeight();
+    bool sizeDirty   = false;
+    if (!mFixedSize && !mNativeWindow->isIconic())
+    {
+        // The window is automatically resized to 150x22 when it's minimized, but the swapchain
+        // shouldn't be resized because that's not a useful size to render to.
+        if (!mNativeWindow->getClientRect(&client))
+        {
+            UNREACHABLE();
+            return egl::NoError();
+        }
+
+        // Grow the buffer now, if the window has grown. We need to grow now to avoid losing
+        // information.
+        clientWidth  = client.right - client.left;
+        clientHeight = client.bottom - client.top;
+        sizeDirty    = clientWidth != getWidth() || clientHeight != getHeight();
+    }
+    else if (mFixedSize)
+    {
+        clientWidth  = mFixedWidth;
+        clientHeight = mFixedHeight;
+        sizeDirty    = mFixedWidth != getWidth() || mFixedHeight != getHeight();
+    }
+
+    if (mSwapIntervalDirty)
+    {
+        ANGLE_TRY(resetSwapChain(displayD3D, clientWidth, clientHeight));
+    }
+    else if (sizeDirty)
+    {
+        ANGLE_TRY(resizeSwapChain(displayD3D, clientWidth, clientHeight));
+    }
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::swap(const gl::Context *context)
+{
+    DisplayD3D *displayD3D = GetImplAs<DisplayD3D>(context->getDisplay());
+    return swapRect(displayD3D, 0, 0, mWidth, mHeight);
+}
+
+egl::Error SurfaceD3D::postSubBuffer(const gl::Context *context,
+                                     EGLint x,
+                                     EGLint y,
+                                     EGLint width,
+                                     EGLint height)
+{
+    DisplayD3D *displayD3D = GetImplAs<DisplayD3D>(context->getDisplay());
+    return swapRect(displayD3D, x, y, width, height);
+}
+
+rx::SwapChainD3D *SurfaceD3D::getSwapChain() const
+{
+    return mSwapChain;
+}
+
+void SurfaceD3D::setSwapInterval(EGLint interval)
+{
+    if (mSwapInterval == interval)
+    {
+        return;
+    }
+
+    mSwapInterval      = interval;
+    mSwapIntervalDirty = true;
+}
+
+void SurfaceD3D::setFixedWidth(EGLint width)
+{
+    mFixedWidth = width;
+}
+
+void SurfaceD3D::setFixedHeight(EGLint height)
+{
+    mFixedHeight = height;
+}
+
+EGLint SurfaceD3D::getWidth() const
+{
+    return mWidth;
+}
+
+EGLint SurfaceD3D::getHeight() const
+{
+    return mHeight;
+}
+
+EGLint SurfaceD3D::isPostSubBufferSupported() const
+{
+    // post sub buffer is always possible on D3D surfaces
+    return EGL_TRUE;
+}
+
+EGLint SurfaceD3D::getSwapBehavior() const
+{
+    return EGL_BUFFER_PRESERVED;
+}
+
+egl::Error SurfaceD3D::querySurfacePointerANGLE(EGLint attribute, void **value)
+{
+    if (attribute == EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE)
+    {
+        *value = mSwapChain->getShareHandle();
+    }
+    else if (attribute == EGL_DXGI_KEYED_MUTEX_ANGLE)
+    {
+        *value = mSwapChain->getKeyedMutex();
+    }
+    else
+        UNREACHABLE();
+
+    return egl::NoError();
+}
+
+const angle::Format *SurfaceD3D::getD3DTextureColorFormat() const
+{
+    return mColorFormat;
+}
+
+egl::Error SurfaceD3D::attachToFramebuffer(const gl::Context *context, gl::Framebuffer *framebuffer)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::detachFromFramebuffer(const gl::Context *context,
+                                             gl::Framebuffer *framebuffer)
+{
+    return egl::NoError();
+}
+
+angle::Result SurfaceD3D::getAttachmentRenderTarget(const gl::Context *context,
+                                                    GLenum binding,
+                                                    const gl::ImageIndex &imageIndex,
+                                                    GLsizei samples,
+                                                    FramebufferAttachmentRenderTarget **rtOut)
+{
+    if (binding == GL_BACK)
+    {
+        *rtOut = mSwapChain->getColorRenderTarget();
+    }
+    else
+    {
+        *rtOut = mSwapChain->getDepthStencilRenderTarget();
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result SurfaceD3D::initializeContents(const gl::Context *context,
+                                             GLenum binding,
+                                             const gl::ImageIndex &imageIndex)
+{
+    switch (binding)
+    {
+        case GL_BACK:
+            ASSERT(mState.config->renderTargetFormat != GL_NONE);
+            ANGLE_TRY(mRenderer->initRenderTarget(context, mSwapChain->getColorRenderTarget()));
+            break;
+
+        case GL_DEPTH:
+        case GL_STENCIL:
+            ASSERT(mState.config->depthStencilFormat != GL_NONE);
+            ANGLE_TRY(
+                mRenderer->initRenderTarget(context, mSwapChain->getDepthStencilRenderTarget()));
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+    return angle::Result::Continue;
+}
+
+WindowSurfaceD3D::WindowSurfaceD3D(const egl::SurfaceState &state,
+                                   RendererD3D *renderer,
+                                   egl::Display *display,
+                                   EGLNativeWindowType window,
+                                   const egl::AttributeMap &attribs)
+    : SurfaceD3D(state, renderer, display, window, 0, static_cast<EGLClientBuffer>(0), attribs)
+{}
+
+WindowSurfaceD3D::~WindowSurfaceD3D() {}
+
+PbufferSurfaceD3D::PbufferSurfaceD3D(const egl::SurfaceState &state,
+                                     RendererD3D *renderer,
+                                     egl::Display *display,
+                                     EGLenum buftype,
+                                     EGLClientBuffer clientBuffer,
+                                     const egl::AttributeMap &attribs)
+    : SurfaceD3D(state,
+                 renderer,
+                 display,
+                 static_cast<EGLNativeWindowType>(0),
+                 buftype,
+                 clientBuffer,
+                 attribs)
+{}
+
+PbufferSurfaceD3D::~PbufferSurfaceD3D() {}
+
+}  // namespace rx