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-rw-r--r--src/3rdparty/angle/src/libEGL/Surface.cpp674
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diff --git a/src/3rdparty/angle/src/libEGL/Surface.cpp b/src/3rdparty/angle/src/libEGL/Surface.cpp
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+++ b/src/3rdparty/angle/src/libEGL/Surface.cpp
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+//
+// Copyright (c) 2002-2010 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.
+//
+
+// Surface.cpp: Implements the egl::Surface class, representing a drawing surface
+// such as the client area of a window, including any back buffers.
+// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
+
+#include <tchar.h>
+
+#include "libEGL/Surface.h"
+
+#include "common/debug.h"
+#include "libGLESv2/Texture.h"
+
+#include "libEGL/main.h"
+#include "libEGL/Display.h"
+
+#include <dwmapi.h>
+
+namespace egl
+{
+
+Surface::Surface(Display *display, const Config *config, HWND window, EGLint postSubBufferSupported)
+ : mDisplay(display), mConfig(config), mWindow(window), mPostSubBufferSupported(postSubBufferSupported)
+{
+ mSwapChain = NULL;
+ mBackBuffer = NULL;
+ mDepthStencil = NULL;
+ mRenderTarget = NULL;
+ mOffscreenTexture = NULL;
+ mShareHandle = NULL;
+ mTexture = NULL;
+ mTextureFormat = EGL_NO_TEXTURE;
+ mTextureTarget = EGL_NO_TEXTURE;
+
+ mPixelAspectRatio = (EGLint)(1.0 * EGL_DISPLAY_SCALING); // FIXME: Determine actual pixel aspect ratio
+ mRenderBuffer = EGL_BACK_BUFFER;
+ mSwapBehavior = EGL_BUFFER_PRESERVED;
+ mSwapInterval = -1;
+ setSwapInterval(1);
+
+ subclassWindow();
+}
+
+Surface::Surface(Display *display, const Config *config, HANDLE shareHandle, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureType)
+ : mDisplay(display), mWindow(NULL), mConfig(config), mShareHandle(shareHandle), mWidth(width), mHeight(height), mPostSubBufferSupported(EGL_FALSE)
+{
+ mSwapChain = NULL;
+ mBackBuffer = NULL;
+ mDepthStencil = NULL;
+ mRenderTarget = NULL;
+ mOffscreenTexture = NULL;
+ mWindowSubclassed = false;
+ mTexture = NULL;
+ mTextureFormat = textureFormat;
+ mTextureTarget = textureType;
+
+ mPixelAspectRatio = (EGLint)(1.0 * EGL_DISPLAY_SCALING); // FIXME: Determine actual pixel aspect ratio
+ mRenderBuffer = EGL_BACK_BUFFER;
+ mSwapBehavior = EGL_BUFFER_PRESERVED;
+ mSwapInterval = -1;
+ setSwapInterval(1);
+}
+
+Surface::~Surface()
+{
+ unsubclassWindow();
+ release();
+}
+
+bool Surface::initialize()
+{
+ ASSERT(!mSwapChain && !mOffscreenTexture && !mDepthStencil);
+
+ if (!resetSwapChain())
+ return false;
+
+ // Modify present parameters for this window, if we are composited,
+ // to minimize the amount of queuing done by DWM between our calls to
+ // present and the actual screen.
+ if (mWindow && (getComparableOSVersion() >= versionWindowsVista)) {
+ BOOL isComposited;
+ HRESULT result = DwmIsCompositionEnabled(&isComposited);
+ if (SUCCEEDED(result) && isComposited) {
+ DWM_PRESENT_PARAMETERS presentParams;
+ memset(&presentParams, 0, sizeof(presentParams));
+ presentParams.cbSize = sizeof(DWM_PRESENT_PARAMETERS);
+ presentParams.cBuffer = 2;
+
+ result = DwmSetPresentParameters(mWindow, &presentParams);
+ if (FAILED(result))
+ ERR("Unable to set present parameters: 0x%08X", result);
+ }
+ }
+
+ return true;
+}
+
+void Surface::release()
+{
+ if (mSwapChain)
+ {
+ mSwapChain->Release();
+ mSwapChain = NULL;
+ }
+
+ if (mBackBuffer)
+ {
+ mBackBuffer->Release();
+ mBackBuffer = NULL;
+ }
+
+ if (mDepthStencil)
+ {
+ mDepthStencil->Release();
+ mDepthStencil = NULL;
+ }
+
+ if (mRenderTarget)
+ {
+ mRenderTarget->Release();
+ mRenderTarget = NULL;
+ }
+
+ if (mOffscreenTexture)
+ {
+ mOffscreenTexture->Release();
+ mOffscreenTexture = NULL;
+ }
+
+ if (mTexture)
+ {
+ mTexture->releaseTexImage();
+ mTexture = NULL;
+ }
+
+ mShareHandle = NULL;
+}
+
+bool Surface::resetSwapChain()
+{
+ if (!mWindow)
+ {
+ return resetSwapChain(mWidth, mHeight);
+ }
+
+ RECT windowRect;
+ if (!GetClientRect(getWindowHandle(), &windowRect))
+ {
+ ASSERT(false);
+
+ ERR("Could not retrieve the window dimensions");
+ return false;
+ }
+
+ return resetSwapChain(windowRect.right - windowRect.left, windowRect.bottom - windowRect.top);
+}
+
+bool Surface::resetSwapChain(int backbufferWidth, int backbufferHeight)
+{
+ IDirect3DDevice9 *device = mDisplay->getDevice();
+
+ if (device == NULL)
+ {
+ return false;
+ }
+
+ // Evict all non-render target textures to system memory and release all resources
+ // before reallocating them to free up as much video memory as possible.
+ device->EvictManagedResources();
+
+ HRESULT result;
+
+ // 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.
+ if (mSwapChain)
+ {
+ mSwapChain->Release();
+ mSwapChain = NULL;
+ }
+
+ if (mBackBuffer)
+ {
+ mBackBuffer->Release();
+ mBackBuffer = NULL;
+ }
+
+ if (mOffscreenTexture)
+ {
+ mOffscreenTexture->Release();
+ mOffscreenTexture = NULL;
+ }
+
+ if (mDepthStencil)
+ {
+ mDepthStencil->Release();
+ mDepthStencil = NULL;
+ }
+
+ mShareHandle = NULL;
+ HANDLE *pShareHandle = NULL;
+ if (!mWindow && mDisplay->shareHandleSupported())
+ {
+ pShareHandle = &mShareHandle;
+ }
+
+ result = device->CreateTexture(backbufferWidth, backbufferHeight, 1, D3DUSAGE_RENDERTARGET,
+ mConfig->mRenderTargetFormat, D3DPOOL_DEFAULT, &mOffscreenTexture, pShareHandle);
+ if (FAILED(result))
+ {
+ ERR("Could not create offscreen texture: %08lX", result);
+ release();
+
+ if(isDeviceLostError(result))
+ {
+ mDisplay->notifyDeviceLost();
+ return false;
+ }
+ else
+ {
+ return error(EGL_BAD_ALLOC, false);
+ }
+ }
+
+ IDirect3DSurface9 *oldRenderTarget = mRenderTarget;
+
+ result = mOffscreenTexture->GetSurfaceLevel(0, &mRenderTarget);
+ ASSERT(SUCCEEDED(result));
+
+ if (oldRenderTarget)
+ {
+ RECT rect =
+ {
+ 0, 0,
+ mWidth, mHeight
+ };
+
+ if (rect.right > static_cast<LONG>(backbufferWidth))
+ {
+ rect.right = backbufferWidth;
+ }
+
+ if (rect.bottom > static_cast<LONG>(backbufferHeight))
+ {
+ rect.bottom = backbufferHeight;
+ }
+
+ mDisplay->endScene();
+
+ result = device->StretchRect(oldRenderTarget, &rect, mRenderTarget, &rect, D3DTEXF_NONE);
+ ASSERT(SUCCEEDED(result));
+
+ oldRenderTarget->Release();
+ }
+
+ if (mWindow)
+ {
+ D3DPRESENT_PARAMETERS presentParameters = {0};
+ presentParameters.AutoDepthStencilFormat = mConfig->mDepthStencilFormat;
+ presentParameters.BackBufferCount = 1;
+ presentParameters.BackBufferFormat = mConfig->mRenderTargetFormat;
+ presentParameters.EnableAutoDepthStencil = FALSE;
+ presentParameters.Flags = 0;
+ presentParameters.hDeviceWindow = getWindowHandle();
+ presentParameters.MultiSampleQuality = 0; // FIXME: Unimplemented
+ presentParameters.MultiSampleType = D3DMULTISAMPLE_NONE; // FIXME: Unimplemented
+ presentParameters.PresentationInterval = mPresentInterval;
+ presentParameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
+ presentParameters.Windowed = TRUE;
+ presentParameters.BackBufferWidth = backbufferWidth;
+ presentParameters.BackBufferHeight = backbufferHeight;
+
+ // http://crbug.com/140239
+ // http://crbug.com/143434
+ //
+ // Some AMD/Intel switchable systems / drivers appear to round swap chain surfaces to a multiple of 64 pixels in width
+ // when using the integrated Intel. This rounds the width up rather than down.
+ //
+ // Some non-switchable AMD GPUs / drivers do not respect the source rectangle to Present. Therefore, when the vendor ID
+ // is not Intel, the back buffer width must be exactly the same width as the window or horizontal scaling will occur.
+ D3DADAPTER_IDENTIFIER9* adapterIdentifier = mDisplay->getAdapterIdentifier();
+ if (adapterIdentifier->VendorId == VENDOR_ID_INTEL)
+ {
+ presentParameters.BackBufferWidth = (presentParameters.BackBufferWidth + 63) / 64 * 64;
+ }
+
+ result = device->CreateAdditionalSwapChain(&presentParameters, &mSwapChain);
+
+ if (FAILED(result))
+ {
+ ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_INVALIDCALL || result == D3DERR_DEVICELOST);
+
+ ERR("Could not create additional swap chains or offscreen surfaces: %08lX", result);
+ release();
+
+ if(isDeviceLostError(result))
+ {
+ mDisplay->notifyDeviceLost();
+ return false;
+ }
+ else
+ {
+ return error(EGL_BAD_ALLOC, false);
+ }
+ }
+
+ result = mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackBuffer);
+ ASSERT(SUCCEEDED(result));
+ }
+
+ if (mConfig->mDepthStencilFormat != D3DFMT_UNKNOWN)
+ {
+ result = device->CreateDepthStencilSurface(backbufferWidth, backbufferHeight, mConfig->mDepthStencilFormat, D3DMULTISAMPLE_NONE,
+ 0, FALSE, &mDepthStencil, NULL);
+
+ if (FAILED(result))
+ {
+ ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_INVALIDCALL);
+
+ ERR("Could not create depthstencil surface for new swap chain: 0x%08X", result);
+ release();
+
+ if(isDeviceLostError(result))
+ {
+ mDisplay->notifyDeviceLost();
+ return false;
+ }
+ else
+ {
+ return error(EGL_BAD_ALLOC, false);
+ }
+ }
+ }
+
+ mWidth = backbufferWidth;
+ mHeight = backbufferHeight;
+
+ mPresentIntervalDirty = false;
+ return true;
+}
+
+bool Surface::swapRect(EGLint x, EGLint y, EGLint width, EGLint height)
+{
+ if (!mSwapChain)
+ {
+ return true;
+ }
+
+ if (x + width > mWidth)
+ {
+ width = mWidth - x;
+ }
+
+ if (y + height > mHeight)
+ {
+ height = mHeight - y;
+ }
+
+ if (width == 0 || height == 0)
+ {
+ return true;
+ }
+
+ IDirect3DDevice9 *device = mDisplay->getDevice();
+
+ // Disable all pipeline operations
+ device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
+ device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+ device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE);
+ device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
+ device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+ device->SetRenderState(D3DRS_STENCILENABLE, FALSE);
+ device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
+ device->SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE | D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED);
+ device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE);
+ device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
+ device->SetPixelShader(NULL);
+ device->SetVertexShader(NULL);
+
+ device->SetRenderTarget(0, mBackBuffer);
+ device->SetDepthStencilSurface(NULL);
+
+ device->SetTexture(0, mOffscreenTexture);
+ device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
+ device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
+ device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
+ device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
+ device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
+ device->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+ device->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+ device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
+
+ D3DVIEWPORT9 viewport = {0, 0, mWidth, mHeight, 0.0f, 1.0f};
+ device->SetViewport(&viewport);
+
+ float x1 = x - 0.5f;
+ float y1 = (mHeight - y - height) - 0.5f;
+ float x2 = (x + width) - 0.5f;
+ float y2 = (mHeight - y) - 0.5f;
+
+ float u1 = x / float(mWidth);
+ float v1 = y / float(mHeight);
+ float u2 = (x + width) / float(mWidth);
+ float v2 = (y + height) / float(mHeight);
+
+ float quad[4][6] = {{x1, y1, 0.0f, 1.0f, u1, v2},
+ {x2, y1, 0.0f, 1.0f, u2, v2},
+ {x2, y2, 0.0f, 1.0f, u2, v1},
+ {x1, y2, 0.0f, 1.0f, u1, v1}}; // x, y, z, rhw, u, v
+
+ mDisplay->startScene();
+ device->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, quad, 6 * sizeof(float));
+ mDisplay->endScene();
+
+ device->SetTexture(0, NULL);
+
+ RECT rect =
+ {
+ x, mHeight - y - height,
+ x + width, mHeight - y
+ };
+
+ HRESULT result = mSwapChain->Present(&rect, &rect, NULL, NULL, 0);
+
+ gl::Context *context = static_cast<gl::Context*>(glGetCurrentContext());
+ if (context)
+ {
+ context->markAllStateDirty();
+ }
+
+ if (isDeviceLostError(result))
+ {
+ mDisplay->notifyDeviceLost();
+ return false;
+ }
+
+ if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_DRIVERINTERNALERROR)
+ {
+ return error(EGL_BAD_ALLOC, false);
+ }
+
+ ASSERT(SUCCEEDED(result));
+
+ checkForOutOfDateSwapChain();
+
+ return true;
+}
+
+HWND Surface::getWindowHandle()
+{
+ return mWindow;
+}
+
+
+#define kSurfaceProperty _TEXT("Egl::SurfaceOwner")
+#define kParentWndProc _TEXT("Egl::SurfaceParentWndProc")
+
+static LRESULT CALLBACK SurfaceWindowProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
+{
+ if (message == WM_SIZE)
+ {
+ Surface* surf = reinterpret_cast<Surface*>(GetProp(hwnd, kSurfaceProperty));
+ if(surf)
+ {
+ surf->checkForOutOfDateSwapChain();
+ }
+ }
+ WNDPROC prevWndFunc = reinterpret_cast<WNDPROC >(GetProp(hwnd, kParentWndProc));
+ return CallWindowProc(prevWndFunc, hwnd, message, wparam, lparam);
+}
+
+void Surface::subclassWindow()
+{
+ if (!mWindow)
+ {
+ return;
+ }
+
+ DWORD processId;
+ DWORD threadId = GetWindowThreadProcessId(mWindow, &processId);
+ if (processId != GetCurrentProcessId() || threadId != GetCurrentThreadId())
+ {
+ return;
+ }
+
+ SetLastError(0);
+ LONG_PTR oldWndProc = SetWindowLongPtr(mWindow, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(SurfaceWindowProc));
+ if(oldWndProc == 0 && GetLastError() != ERROR_SUCCESS)
+ {
+ mWindowSubclassed = false;
+ return;
+ }
+
+ SetProp(mWindow, kSurfaceProperty, reinterpret_cast<HANDLE>(this));
+ SetProp(mWindow, kParentWndProc, reinterpret_cast<HANDLE>(oldWndProc));
+ mWindowSubclassed = true;
+}
+
+void Surface::unsubclassWindow()
+{
+ if(!mWindowSubclassed)
+ {
+ return;
+ }
+
+ // un-subclass
+ LONG_PTR parentWndFunc = reinterpret_cast<LONG_PTR>(GetProp(mWindow, kParentWndProc));
+
+ // Check the windowproc is still SurfaceWindowProc.
+ // If this assert fails, then it is likely the application has subclassed the
+ // hwnd as well and did not unsubclass before destroying its EGL context. The
+ // application should be modified to either subclass before initializing the
+ // EGL context, or to unsubclass before destroying the EGL context.
+ if(parentWndFunc)
+ {
+ LONG_PTR prevWndFunc = SetWindowLongPtr(mWindow, GWLP_WNDPROC, parentWndFunc);
+ ASSERT(prevWndFunc == reinterpret_cast<LONG_PTR>(SurfaceWindowProc));
+ }
+
+ RemoveProp(mWindow, kSurfaceProperty);
+ RemoveProp(mWindow, kParentWndProc);
+ mWindowSubclassed = false;
+}
+
+bool Surface::checkForOutOfDateSwapChain()
+{
+ RECT client;
+ if (!GetClientRect(getWindowHandle(), &client))
+ {
+ ASSERT(false);
+ return false;
+ }
+
+ // Grow the buffer now, if the window has grown. We need to grow now to avoid losing information.
+ int clientWidth = client.right - client.left;
+ int clientHeight = client.bottom - client.top;
+ bool sizeDirty = clientWidth != getWidth() || clientHeight != getHeight();
+
+ if (sizeDirty || mPresentIntervalDirty)
+ {
+ resetSwapChain(clientWidth, clientHeight);
+ if (static_cast<egl::Surface*>(getCurrentDrawSurface()) == this)
+ {
+ glMakeCurrent(glGetCurrentContext(), static_cast<egl::Display*>(getCurrentDisplay()), this);
+ }
+
+ return true;
+ }
+ return false;
+}
+
+DWORD Surface::convertInterval(EGLint interval)
+{
+ switch(interval)
+ {
+ case 0: return D3DPRESENT_INTERVAL_IMMEDIATE;
+ case 1: return D3DPRESENT_INTERVAL_ONE;
+ case 2: return D3DPRESENT_INTERVAL_TWO;
+ case 3: return D3DPRESENT_INTERVAL_THREE;
+ case 4: return D3DPRESENT_INTERVAL_FOUR;
+ default: UNREACHABLE();
+ }
+
+ return D3DPRESENT_INTERVAL_DEFAULT;
+}
+
+bool Surface::swap()
+{
+ return swapRect(0, 0, mWidth, mHeight);
+}
+
+bool Surface::postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height)
+{
+ if (!mPostSubBufferSupported)
+ {
+ // Spec is not clear about how this should be handled.
+ return true;
+ }
+
+ return swapRect(x, y, width, height);
+}
+
+EGLint Surface::getWidth() const
+{
+ return mWidth;
+}
+
+EGLint Surface::getHeight() const
+{
+ return mHeight;
+}
+
+EGLint Surface::isPostSubBufferSupported() const
+{
+ return mPostSubBufferSupported;
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+IDirect3DSurface9 *Surface::getRenderTarget()
+{
+ if (mRenderTarget)
+ {
+ mRenderTarget->AddRef();
+ }
+
+ return mRenderTarget;
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+IDirect3DSurface9 *Surface::getDepthStencil()
+{
+ if (mDepthStencil)
+ {
+ mDepthStencil->AddRef();
+ }
+
+ return mDepthStencil;
+}
+
+IDirect3DTexture9 *Surface::getOffscreenTexture()
+{
+ if (mOffscreenTexture)
+ {
+ mOffscreenTexture->AddRef();
+ }
+
+ return mOffscreenTexture;
+}
+
+void Surface::setSwapInterval(EGLint interval)
+{
+ if (mSwapInterval == interval)
+ {
+ return;
+ }
+
+ mSwapInterval = interval;
+ mSwapInterval = std::max(mSwapInterval, mDisplay->getMinSwapInterval());
+ mSwapInterval = std::min(mSwapInterval, mDisplay->getMaxSwapInterval());
+
+ mPresentInterval = convertInterval(mSwapInterval);
+ mPresentIntervalDirty = true;
+}
+
+EGLenum Surface::getTextureFormat() const
+{
+ return mTextureFormat;
+}
+
+EGLenum Surface::getTextureTarget() const
+{
+ return mTextureTarget;
+}
+
+void Surface::setBoundTexture(gl::Texture2D *texture)
+{
+ mTexture = texture;
+}
+
+gl::Texture2D *Surface::getBoundTexture() const
+{
+ return mTexture;
+}
+
+D3DFORMAT Surface::getFormat() const
+{
+ return mConfig->mRenderTargetFormat;
+}
+}