Mypal/gfx/angle/src/libANGLE/Display.cpp

1007 lines
28 KiB
C++

//
// 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.
//
// Display.cpp: Implements the egl::Display class, representing the abstract
// display on which graphics are drawn. Implements EGLDisplay.
// [EGL 1.4] section 2.1.2 page 3.
#include "libANGLE/Display.h"
#include <algorithm>
#include <iterator>
#include <map>
#include <sstream>
#include <vector>
#include <platform/Platform.h>
#include <EGL/eglext.h>
#include "common/debug.h"
#include "common/mathutil.h"
#include "common/platform.h"
#include "common/utilities.h"
#include "libANGLE/Context.h"
#include "libANGLE/Device.h"
#include "libANGLE/histogram_macros.h"
#include "libANGLE/Image.h"
#include "libANGLE/Surface.h"
#include "libANGLE/Stream.h"
#include "libANGLE/renderer/DisplayImpl.h"
#include "libANGLE/renderer/ImageImpl.h"
#include "third_party/trace_event/trace_event.h"
#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
# include "libANGLE/renderer/d3d/DisplayD3D.h"
#endif
#if defined(ANGLE_ENABLE_OPENGL)
# if defined(ANGLE_PLATFORM_WINDOWS)
# include "libANGLE/renderer/gl/wgl/DisplayWGL.h"
# elif defined(ANGLE_USE_X11)
# include "libANGLE/renderer/gl/glx/DisplayGLX.h"
# elif defined(ANGLE_PLATFORM_APPLE)
# include "libANGLE/renderer/gl/cgl/DisplayCGL.h"
# elif defined(ANGLE_USE_OZONE)
# include "libANGLE/renderer/gl/egl/ozone/DisplayOzone.h"
# elif defined(ANGLE_PLATFORM_ANDROID)
# include "libANGLE/renderer/gl/egl/android/DisplayAndroid.h"
# else
# error Unsupported OpenGL platform.
# endif
#endif
namespace egl
{
namespace
{
class DefaultPlatform : public angle::Platform
{
public:
DefaultPlatform() {}
~DefaultPlatform() override {}
};
DefaultPlatform *defaultPlatform = nullptr;
void InitDefaultPlatformImpl()
{
if (ANGLEPlatformCurrent() == nullptr)
{
if (defaultPlatform == nullptr)
{
defaultPlatform = new DefaultPlatform();
}
ANGLEPlatformInitialize(defaultPlatform);
}
}
typedef std::map<EGLNativeWindowType, Surface*> WindowSurfaceMap;
// Get a map of all EGL window surfaces to validate that no window has more than one EGL surface
// associated with it.
static WindowSurfaceMap *GetWindowSurfaces()
{
static WindowSurfaceMap windowSurfaces;
return &windowSurfaces;
}
typedef std::map<EGLNativeDisplayType, Display *> ANGLEPlatformDisplayMap;
static ANGLEPlatformDisplayMap *GetANGLEPlatformDisplayMap()
{
static ANGLEPlatformDisplayMap displays;
return &displays;
}
typedef std::map<Device *, Display *> DevicePlatformDisplayMap;
static DevicePlatformDisplayMap *GetDevicePlatformDisplayMap()
{
static DevicePlatformDisplayMap displays;
return &displays;
}
rx::DisplayImpl *CreateDisplayFromDevice(Device *eglDevice)
{
rx::DisplayImpl *impl = nullptr;
switch (eglDevice->getType())
{
#if defined(ANGLE_ENABLE_D3D11)
case EGL_D3D11_DEVICE_ANGLE:
impl = new rx::DisplayD3D();
break;
#endif
#if defined(ANGLE_ENABLE_D3D9)
case EGL_D3D9_DEVICE_ANGLE:
// Currently the only way to get EGLDeviceEXT representing a D3D9 device
// is to retrieve one from an already-existing EGLDisplay.
// When eglGetPlatformDisplayEXT is called with a D3D9 EGLDeviceEXT,
// the already-existing display should be returned.
// Therefore this codepath to create a new display from the device
// should never be hit.
UNREACHABLE();
break;
#endif
default:
UNREACHABLE();
break;
}
ASSERT(impl != nullptr);
return impl;
}
rx::DisplayImpl *CreateDisplayFromAttribs(const AttributeMap &attribMap)
{
rx::DisplayImpl *impl = nullptr;
EGLAttrib displayType =
attribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
switch (displayType)
{
case EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE:
#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
// Default to D3D displays
impl = new rx::DisplayD3D();
#elif defined(ANGLE_USE_X11)
impl = new rx::DisplayGLX();
#elif defined(ANGLE_PLATFORM_APPLE)
impl = new rx::DisplayCGL();
#elif defined(ANGLE_USE_OZONE)
impl = new rx::DisplayOzone();
#elif defined(ANGLE_PLATFORM_ANDROID)
impl = new rx::DisplayAndroid();
#else
// No display available
UNREACHABLE();
#endif
break;
case EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE:
case EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE:
#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
impl = new rx::DisplayD3D();
#else
// A D3D display was requested on a platform that doesn't support it
UNREACHABLE();
#endif
break;
case EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE:
#if defined(ANGLE_ENABLE_OPENGL)
#if defined(ANGLE_PLATFORM_WINDOWS)
impl = new rx::DisplayWGL();
#elif defined(ANGLE_USE_X11)
impl = new rx::DisplayGLX();
#elif defined(ANGLE_PLATFORM_APPLE)
impl = new rx::DisplayCGL();
#elif defined(ANGLE_USE_OZONE)
// This might work but has never been tried, so disallow for now.
impl = nullptr;
#elif defined(ANGLE_PLATFORM_ANDROID)
// No GL support on this platform, fail display creation.
impl = nullptr;
#else
#error Unsupported OpenGL platform.
#endif
#else
UNREACHABLE();
#endif
break;
#if defined(ANGLE_ENABLE_OPENGL)
case EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE:
#if defined(ANGLE_PLATFORM_WINDOWS)
impl = new rx::DisplayWGL();
#elif defined(ANGLE_USE_X11)
impl = new rx::DisplayGLX();
#elif defined(ANGLE_USE_OZONE)
impl = new rx::DisplayOzone();
#elif defined(ANGLE_PLATFORM_ANDROID)
impl = new rx::DisplayAndroid();
#else
// No GLES support on this platform, fail display creation.
impl = nullptr;
#endif
break;
#endif
default:
UNREACHABLE();
break;
}
return impl;
}
}
Display *Display::GetDisplayFromAttribs(void *native_display, const AttributeMap &attribMap)
{
// Initialize the global platform if not already
InitDefaultPlatformImpl();
Display *display = nullptr;
EGLNativeDisplayType displayId = reinterpret_cast<EGLNativeDisplayType>(native_display);
ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap();
ANGLEPlatformDisplayMap::const_iterator iter = displays->find(displayId);
if (iter != displays->end())
{
display = iter->second;
}
if (display == nullptr)
{
// Validate the native display
if (!Display::isValidNativeDisplay(displayId))
{
return NULL;
}
display = new Display(EGL_PLATFORM_ANGLE_ANGLE, displayId, nullptr);
displays->insert(std::make_pair(displayId, display));
}
// Apply new attributes if the display is not initialized yet.
if (!display->isInitialized())
{
rx::DisplayImpl *impl = CreateDisplayFromAttribs(attribMap);
if (impl == nullptr)
{
// No valid display implementation for these attributes
return nullptr;
}
display->setAttributes(impl, attribMap);
}
return display;
}
Display *Display::GetDisplayFromDevice(void *native_display)
{
// Initialize the global platform if not already
InitDefaultPlatformImpl();
Display *display = nullptr;
Device *eglDevice = reinterpret_cast<Device *>(native_display);
ASSERT(Device::IsValidDevice(eglDevice));
ANGLEPlatformDisplayMap *anglePlatformDisplays = GetANGLEPlatformDisplayMap();
DevicePlatformDisplayMap *devicePlatformDisplays = GetDevicePlatformDisplayMap();
// First see if this eglDevice is in use by a Display created using ANGLE platform
for (auto &displayMapEntry : *anglePlatformDisplays)
{
egl::Display *iterDisplay = displayMapEntry.second;
if (iterDisplay->getDevice() == eglDevice)
{
display = iterDisplay;
}
}
if (display == nullptr)
{
// See if the eglDevice is in use by a Display created using the DEVICE platform
DevicePlatformDisplayMap::const_iterator iter = devicePlatformDisplays->find(eglDevice);
if (iter != devicePlatformDisplays->end())
{
display = iter->second;
}
}
if (display == nullptr)
{
// Otherwise create a new Display
display = new Display(EGL_PLATFORM_DEVICE_EXT, 0, eglDevice);
devicePlatformDisplays->insert(std::make_pair(eglDevice, display));
}
// Apply new attributes if the display is not initialized yet.
if (!display->isInitialized())
{
rx::DisplayImpl *impl = CreateDisplayFromDevice(eglDevice);
display->setAttributes(impl, egl::AttributeMap());
}
return display;
}
Display::Display(EGLenum platform, EGLNativeDisplayType displayId, Device *eglDevice)
: mImplementation(nullptr),
mDisplayId(displayId),
mAttributeMap(),
mConfigSet(),
mContextSet(),
mStreamSet(),
mInitialized(false),
mDeviceLost(false),
mCaps(),
mDisplayExtensions(),
mDisplayExtensionString(),
mVendorString(),
mDevice(eglDevice),
mPlatform(platform)
{
}
Display::~Display()
{
terminate();
if (mPlatform == EGL_PLATFORM_ANGLE_ANGLE)
{
ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap();
ANGLEPlatformDisplayMap::iterator iter = displays->find(mDisplayId);
if (iter != displays->end())
{
displays->erase(iter);
}
}
else if (mPlatform == EGL_PLATFORM_DEVICE_EXT)
{
DevicePlatformDisplayMap *displays = GetDevicePlatformDisplayMap();
DevicePlatformDisplayMap::iterator iter = displays->find(mDevice);
if (iter != displays->end())
{
displays->erase(iter);
}
}
else
{
UNREACHABLE();
}
SafeDelete(mDevice);
SafeDelete(mImplementation);
}
void Display::setAttributes(rx::DisplayImpl *impl, const AttributeMap &attribMap)
{
ASSERT(!mInitialized);
ASSERT(impl != nullptr);
SafeDelete(mImplementation);
mImplementation = impl;
mAttributeMap = attribMap;
}
Error Display::initialize()
{
// Re-initialize default platform if it's needed
InitDefaultPlatformImpl();
SCOPED_ANGLE_HISTOGRAM_TIMER("GPU.ANGLE.DisplayInitializeMS");
TRACE_EVENT0("gpu.angle", "egl::Display::initialize");
ASSERT(mImplementation != nullptr);
if (isInitialized())
{
return egl::Error(EGL_SUCCESS);
}
Error error = mImplementation->initialize(this);
if (error.isError())
{
// Log extended error message here
std::stringstream errorStream;
errorStream << "ANGLE Display::initialize error " << error.getID() << ": "
<< error.getMessage();
ANGLEPlatformCurrent()->logError(errorStream.str().c_str());
return error;
}
mCaps = mImplementation->getCaps();
mConfigSet = mImplementation->generateConfigs();
if (mConfigSet.size() == 0)
{
mImplementation->terminate();
return Error(EGL_NOT_INITIALIZED);
}
initDisplayExtensions();
initVendorString();
// Populate the Display's EGLDeviceEXT if the Display wasn't created using one
if (mPlatform != EGL_PLATFORM_DEVICE_EXT)
{
if (mDisplayExtensions.deviceQuery)
{
rx::DeviceImpl *impl = nullptr;
ANGLE_TRY(mImplementation->getDevice(&impl));
ANGLE_TRY(Device::CreateDevice(this, impl, &mDevice));
}
else
{
mDevice = nullptr;
}
}
else
{
// For EGL_PLATFORM_DEVICE_EXT, mDevice should always be populated using
// an external device
ASSERT(mDevice != nullptr);
}
mInitialized = true;
return egl::Error(EGL_SUCCESS);
}
void Display::terminate()
{
makeCurrent(nullptr, nullptr, nullptr);
while (!mContextSet.empty())
{
destroyContext(*mContextSet.begin());
}
while (!mImageSet.empty())
{
destroyImage(*mImageSet.begin());
}
while (!mStreamSet.empty())
{
destroyStream(*mStreamSet.begin());
}
while (!mImplementation->getSurfaceSet().empty())
{
destroySurface(*mImplementation->getSurfaceSet().begin());
}
mConfigSet.clear();
if (mDevice != nullptr && mDevice->getOwningDisplay() != nullptr)
{
// Don't delete the device if it was created externally using eglCreateDeviceANGLE
// We also shouldn't set it to null in case eglInitialize() is called again later
SafeDelete(mDevice);
}
mImplementation->terminate();
mInitialized = false;
// Never de-init default platform.. terminate is not that final.
}
std::vector<const Config*> Display::getConfigs(const egl::AttributeMap &attribs) const
{
return mConfigSet.filter(attribs);
}
bool Display::getConfigAttrib(const Config *configuration, EGLint attribute, EGLint *value)
{
switch (attribute)
{
case EGL_BUFFER_SIZE: *value = configuration->bufferSize; break;
case EGL_ALPHA_SIZE: *value = configuration->alphaSize; break;
case EGL_BLUE_SIZE: *value = configuration->blueSize; break;
case EGL_GREEN_SIZE: *value = configuration->greenSize; break;
case EGL_RED_SIZE: *value = configuration->redSize; break;
case EGL_DEPTH_SIZE: *value = configuration->depthSize; break;
case EGL_STENCIL_SIZE: *value = configuration->stencilSize; break;
case EGL_CONFIG_CAVEAT: *value = configuration->configCaveat; break;
case EGL_CONFIG_ID: *value = configuration->configID; break;
case EGL_LEVEL: *value = configuration->level; break;
case EGL_NATIVE_RENDERABLE: *value = configuration->nativeRenderable; break;
case EGL_NATIVE_VISUAL_ID: *value = configuration->nativeVisualID; break;
case EGL_NATIVE_VISUAL_TYPE: *value = configuration->nativeVisualType; break;
case EGL_SAMPLES: *value = configuration->samples; break;
case EGL_SAMPLE_BUFFERS: *value = configuration->sampleBuffers; break;
case EGL_SURFACE_TYPE: *value = configuration->surfaceType; break;
case EGL_TRANSPARENT_TYPE: *value = configuration->transparentType; break;
case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->transparentBlueValue; break;
case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->transparentGreenValue; break;
case EGL_TRANSPARENT_RED_VALUE: *value = configuration->transparentRedValue; break;
case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->bindToTextureRGB; break;
case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->bindToTextureRGBA; break;
case EGL_MIN_SWAP_INTERVAL: *value = configuration->minSwapInterval; break;
case EGL_MAX_SWAP_INTERVAL: *value = configuration->maxSwapInterval; break;
case EGL_LUMINANCE_SIZE: *value = configuration->luminanceSize; break;
case EGL_ALPHA_MASK_SIZE: *value = configuration->alphaMaskSize; break;
case EGL_COLOR_BUFFER_TYPE: *value = configuration->colorBufferType; break;
case EGL_RENDERABLE_TYPE: *value = configuration->renderableType; break;
case EGL_MATCH_NATIVE_PIXMAP: *value = false; UNIMPLEMENTED(); break;
case EGL_CONFORMANT: *value = configuration->conformant; break;
case EGL_MAX_PBUFFER_WIDTH: *value = configuration->maxPBufferWidth; break;
case EGL_MAX_PBUFFER_HEIGHT: *value = configuration->maxPBufferHeight; break;
case EGL_MAX_PBUFFER_PIXELS: *value = configuration->maxPBufferPixels; break;
case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE:
if (!getExtensions().surfaceOrientation)
{
return false;
}
*value = configuration->optimalOrientation;
break;
default:
return false;
}
return true;
}
Error Display::createWindowSurface(const Config *configuration, EGLNativeWindowType window, const AttributeMap &attribs,
Surface **outSurface)
{
if (mImplementation->testDeviceLost())
{
ANGLE_TRY(restoreLostDevice());
}
std::unique_ptr<Surface> surface(
new WindowSurface(mImplementation, configuration, window, attribs));
ANGLE_TRY(surface->initialize());
ASSERT(outSurface != nullptr);
*outSurface = surface.release();
mImplementation->getSurfaceSet().insert(*outSurface);
WindowSurfaceMap *windowSurfaces = GetWindowSurfaces();
ASSERT(windowSurfaces && windowSurfaces->find(window) == windowSurfaces->end());
windowSurfaces->insert(std::make_pair(window, *outSurface));
return egl::Error(EGL_SUCCESS);
}
Error Display::createPbufferSurface(const Config *configuration, const AttributeMap &attribs, Surface **outSurface)
{
ASSERT(isInitialized());
if (mImplementation->testDeviceLost())
{
ANGLE_TRY(restoreLostDevice());
}
std::unique_ptr<Surface> surface(new PbufferSurface(mImplementation, configuration, attribs));
ANGLE_TRY(surface->initialize());
ASSERT(outSurface != nullptr);
*outSurface = surface.release();
mImplementation->getSurfaceSet().insert(*outSurface);
return egl::Error(EGL_SUCCESS);
}
Error Display::createPbufferFromClientBuffer(const Config *configuration, EGLClientBuffer shareHandle,
const AttributeMap &attribs, Surface **outSurface)
{
ASSERT(isInitialized());
if (mImplementation->testDeviceLost())
{
ANGLE_TRY(restoreLostDevice());
}
std::unique_ptr<Surface> surface(
new PbufferSurface(mImplementation, configuration, shareHandle, attribs));
ANGLE_TRY(surface->initialize());
ASSERT(outSurface != nullptr);
*outSurface = surface.release();
mImplementation->getSurfaceSet().insert(*outSurface);
return egl::Error(EGL_SUCCESS);
}
Error Display::createPixmapSurface(const Config *configuration, NativePixmapType nativePixmap, const AttributeMap &attribs,
Surface **outSurface)
{
ASSERT(isInitialized());
if (mImplementation->testDeviceLost())
{
ANGLE_TRY(restoreLostDevice());
}
std::unique_ptr<Surface> surface(
new PixmapSurface(mImplementation, configuration, nativePixmap, attribs));
ANGLE_TRY(surface->initialize());
ASSERT(outSurface != nullptr);
*outSurface = surface.release();
mImplementation->getSurfaceSet().insert(*outSurface);
return egl::Error(EGL_SUCCESS);
}
Error Display::createImage(gl::Context *context,
EGLenum target,
EGLClientBuffer buffer,
const AttributeMap &attribs,
Image **outImage)
{
ASSERT(isInitialized());
if (mImplementation->testDeviceLost())
{
ANGLE_TRY(restoreLostDevice());
}
egl::ImageSibling *sibling = nullptr;
if (IsTextureTarget(target))
{
sibling = context->getTexture(egl_gl::EGLClientBufferToGLObjectHandle(buffer));
}
else if (IsRenderbufferTarget(target))
{
sibling = context->getRenderbuffer(egl_gl::EGLClientBufferToGLObjectHandle(buffer));
}
else
{
UNREACHABLE();
}
ASSERT(sibling != nullptr);
rx::ImageImpl *imageImpl = mImplementation->createImage(target, sibling, attribs);
ASSERT(imageImpl != nullptr);
ANGLE_TRY(imageImpl->initialize());
Image *image = new Image(imageImpl, target, sibling, attribs);
ASSERT(outImage != nullptr);
*outImage = image;
// Add this image to the list of all images and hold a ref to it.
image->addRef();
mImageSet.insert(image);
return egl::Error(EGL_SUCCESS);
}
Error Display::createStream(const AttributeMap &attribs, Stream **outStream)
{
ASSERT(isInitialized());
Stream *stream = new Stream(this, attribs);
ASSERT(stream != nullptr);
mStreamSet.insert(stream);
ASSERT(outStream != nullptr);
*outStream = stream;
return Error(EGL_SUCCESS);
}
Error Display::createContext(const Config *configuration, gl::Context *shareContext, const AttributeMap &attribs,
gl::Context **outContext)
{
ASSERT(isInitialized());
if (mImplementation->testDeviceLost())
{
ANGLE_TRY(restoreLostDevice());
}
gl::Context *context = new gl::Context(mImplementation, configuration, shareContext, attribs);
ASSERT(context != nullptr);
mContextSet.insert(context);
ASSERT(outContext != nullptr);
*outContext = context;
return egl::Error(EGL_SUCCESS);
}
Error Display::makeCurrent(egl::Surface *drawSurface, egl::Surface *readSurface, gl::Context *context)
{
ANGLE_TRY(mImplementation->makeCurrent(drawSurface, readSurface, context));
if (context != nullptr && drawSurface != nullptr)
{
ASSERT(readSurface == drawSurface);
context->makeCurrent(drawSurface);
}
return egl::Error(EGL_SUCCESS);
}
Error Display::restoreLostDevice()
{
for (ContextSet::iterator ctx = mContextSet.begin(); ctx != mContextSet.end(); ctx++)
{
if ((*ctx)->isResetNotificationEnabled())
{
// If reset notifications have been requested, application must delete all contexts first
return Error(EGL_CONTEXT_LOST);
}
}
return mImplementation->restoreLostDevice();
}
void Display::destroySurface(Surface *surface)
{
if (surface->getType() == EGL_WINDOW_BIT)
{
WindowSurfaceMap *windowSurfaces = GetWindowSurfaces();
ASSERT(windowSurfaces);
bool surfaceRemoved = false;
for (WindowSurfaceMap::iterator iter = windowSurfaces->begin(); iter != windowSurfaces->end(); iter++)
{
if (iter->second == surface)
{
windowSurfaces->erase(iter);
surfaceRemoved = true;
break;
}
}
ASSERT(surfaceRemoved);
UNUSED_ASSERTION_VARIABLE(surfaceRemoved);
}
mImplementation->destroySurface(surface);
}
void Display::destroyImage(egl::Image *image)
{
auto iter = mImageSet.find(image);
ASSERT(iter != mImageSet.end());
(*iter)->release();
mImageSet.erase(iter);
}
void Display::destroyStream(egl::Stream *stream)
{
mStreamSet.erase(stream);
SafeDelete(stream);
}
void Display::destroyContext(gl::Context *context)
{
mContextSet.erase(context);
SafeDelete(context);
}
bool Display::isDeviceLost() const
{
ASSERT(isInitialized());
return mDeviceLost;
}
bool Display::testDeviceLost()
{
ASSERT(isInitialized());
if (!mDeviceLost && mImplementation->testDeviceLost())
{
notifyDeviceLost();
}
return mDeviceLost;
}
void Display::notifyDeviceLost()
{
if (mDeviceLost)
{
return;
}
for (ContextSet::iterator context = mContextSet.begin(); context != mContextSet.end(); context++)
{
(*context)->markContextLost();
}
mDeviceLost = true;
}
Error Display::waitClient() const
{
return mImplementation->waitClient();
}
Error Display::waitNative(EGLint engine, egl::Surface *drawSurface, egl::Surface *readSurface) const
{
return mImplementation->waitNative(engine, drawSurface, readSurface);
}
const Caps &Display::getCaps() const
{
return mCaps;
}
bool Display::isInitialized() const
{
return mInitialized;
}
bool Display::isValidConfig(const Config *config) const
{
return mConfigSet.contains(config);
}
bool Display::isValidContext(gl::Context *context) const
{
return mContextSet.find(context) != mContextSet.end();
}
bool Display::isValidSurface(Surface *surface) const
{
return mImplementation->getSurfaceSet().find(surface) != mImplementation->getSurfaceSet().end();
}
bool Display::isValidImage(const Image *image) const
{
return mImageSet.find(const_cast<Image *>(image)) != mImageSet.end();
}
bool Display::isValidStream(const Stream *stream) const
{
return mStreamSet.find(const_cast<Stream *>(stream)) != mStreamSet.end();
}
bool Display::hasExistingWindowSurface(EGLNativeWindowType window)
{
WindowSurfaceMap *windowSurfaces = GetWindowSurfaces();
ASSERT(windowSurfaces);
return windowSurfaces->find(window) != windowSurfaces->end();
}
static ClientExtensions GenerateClientExtensions()
{
ClientExtensions extensions;
extensions.clientExtensions = true;
extensions.platformBase = true;
extensions.platformANGLE = true;
#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
extensions.platformANGLED3D = true;
extensions.platformDevice = true;
#endif
#if defined(ANGLE_ENABLE_OPENGL)
extensions.platformANGLEOpenGL = true;
#endif
#if defined(ANGLE_ENABLE_D3D11)
extensions.deviceCreation = true;
extensions.deviceCreationD3D11 = true;
extensions.experimentalPresentPath = true;
#endif
#if defined(ANGLE_USE_X11)
extensions.x11Visual = true;
#endif
extensions.clientGetAllProcAddresses = true;
return extensions;
}
template <typename T>
static std::string GenerateExtensionsString(const T &extensions)
{
std::vector<std::string> extensionsVector = extensions.getStrings();
std::ostringstream stream;
std::copy(extensionsVector.begin(), extensionsVector.end(), std::ostream_iterator<std::string>(stream, " "));
return stream.str();
}
const ClientExtensions &Display::getClientExtensions()
{
static const ClientExtensions clientExtensions = GenerateClientExtensions();
return clientExtensions;
}
const std::string &Display::getClientExtensionString()
{
static const std::string clientExtensionsString = GenerateExtensionsString(getClientExtensions());
return clientExtensionsString;
}
void Display::initDisplayExtensions()
{
mDisplayExtensions = mImplementation->getExtensions();
// Some extensions are always available because they are implemented in the EGL layer.
mDisplayExtensions.createContext = true;
mDisplayExtensions.createContextNoError = true;
// Force EGL_KHR_get_all_proc_addresses on.
mDisplayExtensions.getAllProcAddresses = true;
mDisplayExtensionString = GenerateExtensionsString(mDisplayExtensions);
}
bool Display::isValidNativeWindow(EGLNativeWindowType window) const
{
return mImplementation->isValidNativeWindow(window);
}
bool Display::isValidDisplay(const egl::Display *display)
{
const ANGLEPlatformDisplayMap *anglePlatformDisplayMap = GetANGLEPlatformDisplayMap();
for (const auto &displayPair : *anglePlatformDisplayMap)
{
if (displayPair.second == display)
{
return true;
}
}
const DevicePlatformDisplayMap *devicePlatformDisplayMap = GetDevicePlatformDisplayMap();
for (const auto &displayPair : *devicePlatformDisplayMap)
{
if (displayPair.second == display)
{
return true;
}
}
return false;
}
bool Display::isValidNativeDisplay(EGLNativeDisplayType display)
{
// TODO(jmadill): handle this properly
if (display == EGL_DEFAULT_DISPLAY)
{
return true;
}
#if defined(ANGLE_PLATFORM_WINDOWS) && !defined(ANGLE_ENABLE_WINDOWS_STORE)
if (display == EGL_SOFTWARE_DISPLAY_ANGLE ||
display == EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ||
display == EGL_D3D11_ONLY_DISPLAY_ANGLE)
{
return true;
}
return (WindowFromDC(display) != NULL);
#else
return true;
#endif
}
void Display::initVendorString()
{
mVendorString = mImplementation->getVendorString();
}
const DisplayExtensions &Display::getExtensions() const
{
return mDisplayExtensions;
}
const std::string &Display::getExtensionString() const
{
return mDisplayExtensionString;
}
const std::string &Display::getVendorString() const
{
return mVendorString;
}
Device *Display::getDevice() const
{
return mDevice;
}
gl::Version Display::getMaxSupportedESVersion() const
{
return mImplementation->getMaxSupportedESVersion();
}
}