diff options
Diffstat (limited to 'src/3rdparty/angle/src/libEGL/Surface.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libEGL/Surface.cpp | 505 |
1 files changed, 0 insertions, 505 deletions
diff --git a/src/3rdparty/angle/src/libEGL/Surface.cpp b/src/3rdparty/angle/src/libEGL/Surface.cpp deleted file mode 100644 index b664a8530e..0000000000 --- a/src/3rdparty/angle/src/libEGL/Surface.cpp +++ /dev/null @@ -1,505 +0,0 @@ -// -// Copyright (c) 2002-2014 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. -// - -// 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 <algorithm> - -#include "libEGL/Surface.h" - -#include "common/debug.h" -#include "libGLESv2/Texture.h" -#include "libGLESv2/renderer/SwapChain.h" -#include "libGLESv2/main.h" - -#include "libEGL/main.h" -#include "libEGL/Display.h" - -#include "common/NativeWindow.h" - -//TODO(jmadill): phase this out -#include "libGLESv2/renderer/d3d/RendererD3D.h" - -namespace egl -{ - -Surface::Surface(Display *display, const Config *config, EGLNativeWindowType window, EGLint fixedSize, EGLint width, EGLint height, EGLint postSubBufferSupported) - : mDisplay(display), mConfig(config), mNativeWindow(window, display->getDisplayId()), mPostSubBufferSupported(postSubBufferSupported) -{ - //TODO(jmadill): MANGLE refactor. (note, can't call makeRendererD3D because of dll export issues) - mRenderer = static_cast<rx::RendererD3D*>(mDisplay->getRenderer()); - mSwapChain = 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; - mWidth = width; - mHeight = height; - mFixedWidth = mWidth; - mFixedHeight = mHeight; - setSwapInterval(1); - mFixedSize = fixedSize; - - subclassWindow(); -} - -Surface::Surface(Display *display, const Config *config, HANDLE shareHandle, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureType) - : mDisplay(display), mNativeWindow(NULL, NULL), mConfig(config), mShareHandle(shareHandle), mWidth(width), mHeight(height), mPostSubBufferSupported(EGL_FALSE) -{ - //TODO(jmadill): MANGLE refactor. (note, can't call makeRendererD3D because of dll export issues) - mRenderer = static_cast<rx::RendererD3D*>(mDisplay->getRenderer()); - mSwapChain = 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); - // This constructor is for offscreen surfaces, which are always fixed-size. - mFixedSize = EGL_TRUE; - mFixedWidth = mWidth; - mFixedHeight = mHeight; -} - -Surface::~Surface() -{ - unsubclassWindow(); - release(); -} - -Error Surface::initialize() -{ - if (mNativeWindow.getNativeWindow()) - { - if (!mNativeWindow.initialize()) - { - return Error(EGL_BAD_SURFACE); - } - } - - Error error = resetSwapChain(); - if (error.isError()) - { - return error; - } - - return Error(EGL_SUCCESS); -} - -void Surface::release() -{ - delete mSwapChain; - mSwapChain = NULL; - - if (mTexture) - { - mTexture->releaseTexImage(); - mTexture = NULL; - } -} - -Error Surface::resetSwapChain() -{ - ASSERT(!mSwapChain); - - int width; - int height; - - if (!mFixedSize) - { - RECT windowRect; - if (!mNativeWindow.getClientRect(&windowRect)) - { - ASSERT(false); - - return Error(EGL_BAD_SURFACE, "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 = mWidth; - height = mHeight; - } - - mSwapChain = mRenderer->createSwapChain(mNativeWindow, mShareHandle, - mConfig->mRenderTargetFormat, - mConfig->mDepthStencilFormat); - if (!mSwapChain) - { - return Error(EGL_BAD_ALLOC); - } - - Error error = resetSwapChain(width, height); - if (error.isError()) - { - SafeDelete(mSwapChain); - return error; - } - - return Error(EGL_SUCCESS); -} - -Error Surface::resizeSwapChain(int backbufferWidth, int backbufferHeight) -{ - ASSERT(mSwapChain); - -#if !defined(ANGLE_ENABLE_WINDOWS_STORE) - backbufferWidth = std::max(1, backbufferWidth); - backbufferHeight = std::max(1, backbufferHeight); -#endif - EGLint status = mSwapChain->resize(backbufferWidth, backbufferHeight); - - if (status == EGL_CONTEXT_LOST) - { - mDisplay->notifyDeviceLost(); - return Error(status); - } - else if (status != EGL_SUCCESS) - { - return Error(status); - } - - mWidth = backbufferWidth; - mHeight = backbufferHeight; - - return Error(EGL_SUCCESS); -} - -Error Surface::resetSwapChain(int backbufferWidth, int backbufferHeight) -{ - ASSERT(backbufferWidth >= 0 && backbufferHeight >= 0); - ASSERT(mSwapChain); - - EGLint status = mSwapChain->reset(std::max(1, backbufferWidth), std::max(1, backbufferHeight), mSwapInterval); - - if (status == EGL_CONTEXT_LOST) - { - mRenderer->notifyDeviceLost(); - return Error(status); - } - else if (status != EGL_SUCCESS) - { - return Error(status); - } - - mWidth = backbufferWidth; - mHeight = backbufferHeight; - mSwapIntervalDirty = false; - - return Error(EGL_SUCCESS); -} - -Error Surface::swapRect(EGLint x, EGLint y, EGLint width, EGLint height) -{ - if (!mSwapChain) - { - return Error(EGL_SUCCESS); - } - - if (x + width > abs(mWidth)) - { - width = abs(mWidth) - x; - } - - if (y + height > abs(mHeight)) - { - height = abs(mHeight) - y; - } - - if (width == 0 || height == 0) - { - return Error(EGL_SUCCESS); - } - - ASSERT(width > 0); - ASSERT(height > 0); - - EGLint status = mSwapChain->swapRect(x, y, width, height); - - if (status == EGL_CONTEXT_LOST) - { - mRenderer->notifyDeviceLost(); - return Error(status); - } - else if (status != EGL_SUCCESS) - { - return Error(status); - } - - checkForOutOfDateSwapChain(); - - return Error(EGL_SUCCESS); -} - -EGLNativeWindowType Surface::getWindowHandle() -{ - return mNativeWindow.getNativeWindow(); -} - -#if !defined(ANGLE_ENABLE_WINDOWS_STORE) -#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); -} -#endif - -void Surface::subclassWindow() -{ -#if !defined(ANGLE_ENABLE_WINDOWS_STORE) - HWND window = mNativeWindow.getNativeWindow(); - if (!window) - { - return; - } - - DWORD processId; - DWORD threadId = GetWindowThreadProcessId(window, &processId); - if (processId != GetCurrentProcessId() || threadId != GetCurrentThreadId()) - { - return; - } - - SetLastError(0); - LONG_PTR oldWndProc = SetWindowLongPtr(window, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(SurfaceWindowProc)); - if(oldWndProc == 0 && GetLastError() != ERROR_SUCCESS) - { - mWindowSubclassed = false; - return; - } - - SetProp(window, kSurfaceProperty, reinterpret_cast<HANDLE>(this)); - SetProp(window, kParentWndProc, reinterpret_cast<HANDLE>(oldWndProc)); - mWindowSubclassed = true; -#endif -} - -void Surface::unsubclassWindow() -{ - if(!mWindowSubclassed) - { - return; - } - -#if !defined(ANGLE_ENABLE_WINDOWS_STORE) - HWND window = mNativeWindow.getNativeWindow(); - if (!window) - { - return; - } - - // un-subclass - LONG_PTR parentWndFunc = reinterpret_cast<LONG_PTR>(GetProp(window, 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(window, GWLP_WNDPROC, parentWndFunc); - UNUSED_ASSERTION_VARIABLE(prevWndFunc); - ASSERT(prevWndFunc == reinterpret_cast<LONG_PTR>(SurfaceWindowProc)); - } - - RemoveProp(window, kSurfaceProperty); - RemoveProp(window, kParentWndProc); -#endif - mWindowSubclassed = false; -} - -bool Surface::checkForOutOfDateSwapChain() -{ - 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)) - { - ASSERT(false); - return false; - } - - // 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(); - } - - if (mFixedSize && (mWidth != mFixedWidth || mHeight != mFixedHeight)) - { - clientWidth = mFixedWidth; - clientHeight = mFixedHeight; - sizeDirty = true; - } - - bool wasDirty = (mSwapIntervalDirty || sizeDirty); - - if (mSwapIntervalDirty) - { - resetSwapChain(clientWidth, clientHeight); - } - else if (sizeDirty) - { - resizeSwapChain(clientWidth, clientHeight); - } - - if (wasDirty) - { - if (static_cast<egl::Surface*>(getCurrentDrawSurface()) == this) - { - glMakeCurrent(glGetCurrentContext(), static_cast<egl::Display*>(getCurrentDisplay()), this); - } - - return true; - } - - return false; -} - -Error Surface::swap() -{ - return swapRect(0, 0, abs(mWidth), abs(mHeight)); -} - -Error Surface::postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height) -{ - if (!mPostSubBufferSupported) - { - // Spec is not clear about how this should be handled. - return Error(EGL_SUCCESS); - } - - return swapRect(x, y, width, height); -} - -EGLint Surface::isPostSubBufferSupported() const -{ - return mPostSubBufferSupported; -} - -rx::SwapChain *Surface::getSwapChain() const -{ - return mSwapChain; -} - -void Surface::setSwapInterval(EGLint interval) -{ - if (mSwapInterval == interval) - { - return; - } - - mSwapInterval = interval; - mSwapInterval = std::max(mSwapInterval, mRenderer->getMinSwapInterval()); - mSwapInterval = std::min(mSwapInterval, mRenderer->getMaxSwapInterval()); - - mSwapIntervalDirty = true; -} - -EGLint Surface::getConfigID() const -{ - return mConfig->mConfigID; -} - -EGLint Surface::getWidth() const -{ - return mWidth; -} - -EGLint Surface::getHeight() const -{ - return mHeight; -} - -EGLint Surface::getPixelAspectRatio() const -{ - return mPixelAspectRatio; -} - -EGLenum Surface::getRenderBuffer() const -{ - return mRenderBuffer; -} - -EGLenum Surface::getSwapBehavior() const -{ - return mSwapBehavior; -} - -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; -} - -EGLint Surface::isFixedSize() const -{ - return mFixedSize; -} - -void Surface::setFixedWidth(EGLint width) -{ - mFixedWidth = width; -} - -void Surface::setFixedHeight(EGLint height) -{ - mFixedHeight = height; -} - -EGLenum Surface::getFormat() const -{ - return mConfig->mRenderTargetFormat; -} -} |