diff options
Diffstat (limited to 'gfx/angle/checkout/src/libANGLE/Display.cpp')
| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/Display.cpp | 1580 |
1 files changed, 1580 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/Display.cpp b/gfx/angle/checkout/src/libANGLE/Display.cpp new file mode 100644 index 0000000000..687174b399 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/Display.cpp @@ -0,0 +1,1580 @@ +// +// 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 <EGL/eglext.h> +#include <platform/Platform.h> + +#include "common/android_util.h" +#include "common/debug.h" +#include "common/mathutil.h" +#include "common/platform.h" +#include "common/string_utils.h" +#include "common/system_utils.h" +#include "common/utilities.h" +#include "libANGLE/Context.h" +#include "libANGLE/Device.h" +#include "libANGLE/EGLSync.h" +#include "libANGLE/Image.h" +#include "libANGLE/ResourceManager.h" +#include "libANGLE/Stream.h" +#include "libANGLE/Surface.h" +#include "libANGLE/Thread.h" +#include "libANGLE/histogram_macros.h" +#include "libANGLE/renderer/DeviceImpl.h" +#include "libANGLE/renderer/DisplayImpl.h" +#include "libANGLE/renderer/ImageImpl.h" +#include "libANGLE/trace.h" + +#if ANGLE_CAPTURE_ENABLED +# include "libANGLE/FrameCapture.h" +#endif // ANGLE_CAPTURE_ENABLED + +#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 + +#if defined(ANGLE_ENABLE_NULL) +# include "libANGLE/renderer/null/DisplayNULL.h" +#endif // defined(ANGLE_ENABLE_NULL) + +#if defined(ANGLE_ENABLE_VULKAN) +# if defined(ANGLE_PLATFORM_WINDOWS) +# include "libANGLE/renderer/vulkan/win32/DisplayVkWin32.h" +# elif defined(ANGLE_PLATFORM_LINUX) +# include "libANGLE/renderer/vulkan/xcb/DisplayVkXcb.h" +# elif defined(ANGLE_PLATFORM_ANDROID) +# include "libANGLE/renderer/vulkan/android/DisplayVkAndroid.h" +# elif defined(ANGLE_PLATFORM_FUCHSIA) +# include "libANGLE/renderer/vulkan/fuchsia/DisplayVkFuchsia.h" +# else +# error Unsupported Vulkan platform. +# endif +#endif // defined(ANGLE_ENABLE_VULKAN) + +namespace egl +{ + +namespace +{ + +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, const DisplayState &state) +{ + rx::DisplayImpl *impl = nullptr; + + switch (eglDevice->getType()) + { +#if defined(ANGLE_ENABLE_D3D11) + case EGL_D3D11_DEVICE_ANGLE: + impl = new rx::DisplayD3D(state); + 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; +} + +// On platforms with support for multiple back-ends, allow an environment variable to control +// the default. This is useful to run angle with benchmarks without having to modify the +// benchmark source. Possible values for this environment variable (ANGLE_DEFAULT_PLATFORM) +// are: vulkan, gl, d3d11. +EGLAttrib GetDisplayTypeFromEnvironment() +{ + std::string angleDefaultEnv = angle::GetEnvironmentVar("ANGLE_DEFAULT_PLATFORM"); + angle::ToLower(&angleDefaultEnv); + +#if defined(ANGLE_ENABLE_VULKAN) + if (angleDefaultEnv == "vulkan") + { + return EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE; + } +#endif + +#if defined(ANGLE_ENABLE_OPENGL) + if (angleDefaultEnv == "gl") + { + return EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE; + } +#endif + +#if defined(ANGLE_ENABLE_D3D11) + if (angleDefaultEnv == "d3d11") + { + return EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE; + } +#endif + + return EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE; +} + +rx::DisplayImpl *CreateDisplayFromAttribs(const AttributeMap &attribMap, const DisplayState &state) +{ + rx::DisplayImpl *impl = nullptr; + EGLAttrib displayType = + attribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE); + + if (displayType == EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE) + { + displayType = GetDisplayTypeFromEnvironment(); + } + + 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(state); +#elif defined(ANGLE_USE_X11) + impl = new rx::DisplayGLX(state); +#elif defined(ANGLE_PLATFORM_APPLE) + impl = new rx::DisplayCGL(state); +#elif defined(ANGLE_PLATFORM_FUCHSIA) + impl = new rx::DisplayVkFuchsia(state); +#elif defined(ANGLE_USE_OZONE) + impl = new rx::DisplayOzone(state); +#elif defined(ANGLE_PLATFORM_ANDROID) +# if defined(ANGLE_ENABLE_VULKAN) + impl = new rx::DisplayVkAndroid(state); +# else + impl = new rx::DisplayAndroid(state); +# endif +#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(state); +#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(state); +# elif defined(ANGLE_USE_X11) + impl = new rx::DisplayGLX(state); +# elif defined(ANGLE_PLATFORM_APPLE) + impl = new rx::DisplayCGL(state); +# 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 + // No display available + UNREACHABLE(); +#endif // defined(ANGLE_ENABLE_OPENGL) + break; + + case EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE: +#if defined(ANGLE_ENABLE_OPENGL) +# if defined(ANGLE_PLATFORM_WINDOWS) + impl = new rx::DisplayWGL(state); +# elif defined(ANGLE_USE_X11) + impl = new rx::DisplayGLX(state); +# elif defined(ANGLE_USE_OZONE) + impl = new rx::DisplayOzone(state); +# elif defined(ANGLE_PLATFORM_ANDROID) + impl = new rx::DisplayAndroid(state); +# else + // No GLES support on this platform, fail display creation. + impl = nullptr; +# endif +#endif // defined(ANGLE_ENABLE_OPENGL) + break; + + case EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE: +#if defined(ANGLE_ENABLE_VULKAN) +# if defined(ANGLE_PLATFORM_WINDOWS) + impl = new rx::DisplayVkWin32(state); +# elif defined(ANGLE_PLATFORM_LINUX) + impl = new rx::DisplayVkXcb(state); +# elif defined(ANGLE_PLATFORM_ANDROID) + impl = new rx::DisplayVkAndroid(state); +# elif defined(ANGLE_PLATFORM_FUCHSIA) + impl = new rx::DisplayVkFuchsia(state); +# else +# error Unsupported Vulkan platform. +# endif +#else + // No display available + UNREACHABLE(); +#endif // defined(ANGLE_ENABLE_VULKAN) + break; + + case EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE: +#if defined(ANGLE_ENABLE_NULL) + impl = new rx::DisplayNULL(state); +#else + // No display available + UNREACHABLE(); +#endif // defined(ANGLE_ENABLE_NULL) + break; + + default: + UNREACHABLE(); + break; + } + + return impl; +} + +void Display_logError(angle::PlatformMethods *platform, const char *errorMessage) +{ + gl::Trace(gl::LOG_ERR, errorMessage); +} + +void Display_logWarning(angle::PlatformMethods *platform, const char *warningMessage) +{ + gl::Trace(gl::LOG_WARN, warningMessage); +} + +void Display_logInfo(angle::PlatformMethods *platform, const char *infoMessage) +{ + // Uncomment to get info spam +#if defined(ANGLE_ENABLE_DEBUG_TRACE) + gl::Trace(gl::LOG_INFO, infoMessage); +#endif +} + +const std::vector<std::string> EGLStringArrayToStringVector(const char **ary) +{ + std::vector<std::string> vec; + if (ary != nullptr) + { + for (; *ary != nullptr; ary++) + { + vec.push_back(std::string(*ary)); + } + } + return vec; +} + +void ANGLESetDefaultDisplayPlatform(angle::EGLDisplayType display) +{ + angle::PlatformMethods *platformMethods = ANGLEPlatformCurrent(); + + ANGLEResetDisplayPlatform(display); + platformMethods->logError = Display_logError; + platformMethods->logWarning = Display_logWarning; + platformMethods->logInfo = Display_logInfo; +} + +} // anonymous namespace + +DisplayState::DisplayState() : label(nullptr) {} + +DisplayState::~DisplayState() {} + +// static +Display *Display::GetDisplayFromNativeDisplay(EGLNativeDisplayType nativeDisplay, + const AttributeMap &attribMap) +{ + Display *display = nullptr; + + ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap(); + const auto &iter = displays->find(nativeDisplay); + if (iter != displays->end()) + { + display = iter->second; + } + + if (display == nullptr) + { + // Validate the native display + if (!Display::isValidNativeDisplay(nativeDisplay)) + { + return nullptr; + } + + display = new Display(EGL_PLATFORM_ANGLE_ANGLE, nativeDisplay, nullptr); + displays->insert(std::make_pair(nativeDisplay, display)); + } + + // Apply new attributes if the display is not initialized yet. + if (!display->isInitialized()) + { + rx::DisplayImpl *impl = CreateDisplayFromAttribs(attribMap, display->getState()); + if (impl == nullptr) + { + // No valid display implementation for these attributes + return nullptr; + } + + display->setAttributes(impl, attribMap); + } + + return display; +} + +// static +Display *Display::GetExistingDisplayFromNativeDisplay(EGLNativeDisplayType nativeDisplay) +{ + ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap(); + const auto &iter = displays->find(nativeDisplay); + + // Check that there is a matching display + if (iter == displays->end()) + { + return nullptr; + } + + return iter->second; +} + +// static +Display *Display::GetDisplayFromDevice(Device *device, const AttributeMap &attribMap) +{ + Display *display = nullptr; + + ASSERT(Device::IsValidDevice(device)); + + 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() == device) + { + display = iterDisplay; + } + } + + if (display == nullptr) + { + // See if the eglDevice is in use by a Display created using the DEVICE platform + const auto &iter = devicePlatformDisplays->find(device); + if (iter != devicePlatformDisplays->end()) + { + display = iter->second; + } + } + + if (display == nullptr) + { + // Otherwise create a new Display + display = new Display(EGL_PLATFORM_DEVICE_EXT, 0, device); + devicePlatformDisplays->insert(std::make_pair(device, display)); + } + + // Apply new attributes if the display is not initialized yet. + if (!display->isInitialized()) + { + rx::DisplayImpl *impl = CreateDisplayFromDevice(device, display->getState()); + display->setAttributes(impl, attribMap); + } + + 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), + mSurface(nullptr), + mPlatform(platform), + mTextureManager(nullptr), + mBlobCache(gl::kDefaultMaxProgramCacheMemoryBytes), + mMemoryProgramCache(mBlobCache), + mGlobalTextureShareGroupUsers(0), + mFrameCapture(nullptr) +{ +#if ANGLE_CAPTURE_ENABLED + mFrameCapture = new FrameCapture; +#endif // ANGLE_CAPTURE_ENABLED +} + +Display::~Display() +{ + // TODO(jmadill): When is this called? + // 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); + +#if ANGLE_CAPTURE_ENABLED + SafeDelete(mFrameCapture); +#endif // ANGLE_CAPTURE_ENABLED +} + +void Display::setLabel(EGLLabelKHR label) +{ + mState.label = label; +} + +EGLLabelKHR Display::getLabel() const +{ + return mState.label; +} + +void Display::setAttributes(rx::DisplayImpl *impl, const AttributeMap &attribMap) +{ + ASSERT(!mInitialized); + + ASSERT(impl != nullptr); + SafeDelete(mImplementation); + mImplementation = impl; + + mAttributeMap = attribMap; + + // TODO(jmadill): Store Platform in Display and init here. + const angle::PlatformMethods *platformMethods = + reinterpret_cast<const angle::PlatformMethods *>( + mAttributeMap.get(EGL_PLATFORM_ANGLE_PLATFORM_METHODS_ANGLEX, 0)); + if (platformMethods != nullptr) + { + *ANGLEPlatformCurrent() = *platformMethods; + } + else + { + ANGLESetDefaultDisplayPlatform(this); + } + + const char **featuresForceEnabled = + reinterpret_cast<const char **>(mAttributeMap.get(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE, 0)); + const char **featuresForceDisabled = + reinterpret_cast<const char **>(mAttributeMap.get(EGL_FEATURE_OVERRIDES_DISABLED_ANGLE, 0)); + mState.featureOverridesEnabled = EGLStringArrayToStringVector(featuresForceEnabled); + mState.featureOverridesDisabled = EGLStringArrayToStringVector(featuresForceDisabled); +} + +Error Display::initialize() +{ + ASSERT(mImplementation != nullptr); + mImplementation->setBlobCache(&mBlobCache); + + gl::InitializeDebugAnnotations(&mAnnotator); + + gl::InitializeDebugMutexIfNeeded(); + + SCOPED_ANGLE_HISTOGRAM_TIMER("GPU.ANGLE.DisplayInitializeMS"); + ANGLE_TRACE_EVENT0("gpu.angle", "egl::Display::initialize"); + + if (isInitialized()) + { + return NoError(); + } + + Error error = mImplementation->initialize(this); + if (error.isError()) + { + // Log extended error message here + ERR() << "ANGLE Display::initialize error " << error.getID() << ": " << error.getMessage(); + return error; + } + + mCaps = mImplementation->getCaps(); + + mConfigSet = mImplementation->generateConfigs(); + if (mConfigSet.size() == 0) + { + mImplementation->terminate(); + return EglNotInitialized(); + } + + // OpenGL ES1 is implemented in the frontend, explicitly add ES1 support to all configs + for (auto &config : mConfigSet) + { + // TODO(geofflang): Enable the conformant bit once we pass enough tests + // config.second.conformant |= EGL_OPENGL_ES_BIT; + + config.second.renderableType |= EGL_OPENGL_ES_BIT; + } + + initializeFrontendFeatures(); + + mFeatures.clear(); + mFrontendFeatures.populateFeatureList(&mFeatures); + mImplementation->populateFeatureList(&mFeatures); + + initDisplayExtensions(); + initVendorString(); + + // Populate the Display's EGLDeviceEXT if the Display wasn't created using one + if (mPlatform != EGL_PLATFORM_DEVICE_EXT) + { + if (mDisplayExtensions.deviceQuery) + { + std::unique_ptr<rx::DeviceImpl> impl(mImplementation->createDevice()); + ASSERT(impl != nullptr); + error = impl->initialize(); + if (error.isError()) + { + ERR() << "Failed to initialize display because device creation failed: " + << error.getMessage(); + mImplementation->terminate(); + return error; + } + mDevice = new Device(this, impl.release()); + } + else + { + mDevice = nullptr; + } + } + else + { + // For EGL_PLATFORM_DEVICE_EXT, mDevice should always be populated using + // an external device + ASSERT(mDevice != nullptr); + } + + mInitialized = true; + + return NoError(); +} + +Error Display::terminate(const Thread *thread) +{ + if (!mInitialized) + { + return NoError(); + } + + mMemoryProgramCache.clear(); + mBlobCache.setBlobCacheFuncs(nullptr, nullptr); + + while (!mContextSet.empty()) + { + ANGLE_TRY(destroyContext(thread, *mContextSet.begin())); + } + + ANGLE_TRY(makeCurrent(thread, nullptr, nullptr, nullptr)); + + // The global texture manager should be deleted with the last context that uses it. + ASSERT(mGlobalTextureShareGroupUsers == 0 && mTextureManager == nullptr); + + while (!mImageSet.empty()) + { + destroyImage(*mImageSet.begin()); + } + + while (!mStreamSet.empty()) + { + destroyStream(*mStreamSet.begin()); + } + + while (!mSyncSet.empty()) + { + destroySync(*mSyncSet.begin()); + } + + while (!mState.surfaceSet.empty()) + { + ANGLE_TRY(destroySurface(*mState.surfaceSet.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(); + + mDeviceLost = false; + + mInitialized = false; + + gl::UninitializeDebugAnnotations(); + + // TODO(jmadill): Store Platform in Display and deinit here. + ANGLEResetDisplayPlatform(this); + + return NoError(); +} + +std::vector<const Config *> Display::getConfigs(const egl::AttributeMap &attribs) const +{ + return mConfigSet.filter(attribs); +} + +std::vector<const Config *> Display::chooseConfig(const egl::AttributeMap &attribs) const +{ + egl::AttributeMap attribsWithDefaults = AttributeMap(); + + // Insert default values for attributes that have either an Exact or Mask selection criteria, + // and a default value that matters (e.g. isn't EGL_DONT_CARE): + attribsWithDefaults.insert(EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER); + attribsWithDefaults.insert(EGL_LEVEL, 0); + attribsWithDefaults.insert(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT); + attribsWithDefaults.insert(EGL_SURFACE_TYPE, EGL_WINDOW_BIT); + attribsWithDefaults.insert(EGL_TRANSPARENT_TYPE, EGL_NONE); + if (getExtensions().pixelFormatFloat) + { + attribsWithDefaults.insert(EGL_COLOR_COMPONENT_TYPE_EXT, + EGL_COLOR_COMPONENT_TYPE_FIXED_EXT); + } + + // Add the caller-specified values (Note: the poorly-named insert() method will replace any + // of the default values from above): + for (auto attribIter = attribs.begin(); attribIter != attribs.end(); attribIter++) + { + attribsWithDefaults.insert(attribIter->first, attribIter->second); + } + + return mConfigSet.filter(attribsWithDefaults); +} + +Error Display::createWindowSurface(const Config *configuration, + EGLNativeWindowType window, + const AttributeMap &attribs, + Surface **outSurface) +{ + if (mImplementation->testDeviceLost()) + { + ANGLE_TRY(restoreLostDevice()); + } + + SurfacePointer surface(new WindowSurface(mImplementation, configuration, window, attribs), + this); + ANGLE_TRY(surface->initialize(this)); + + ASSERT(outSurface != nullptr); + *outSurface = surface.release(); + mState.surfaceSet.insert(*outSurface); + + WindowSurfaceMap *windowSurfaces = GetWindowSurfaces(); + ASSERT(windowSurfaces && windowSurfaces->find(window) == windowSurfaces->end()); + windowSurfaces->insert(std::make_pair(window, *outSurface)); + + mSurface = *outSurface; + + return NoError(); +} + +Error Display::createPbufferSurface(const Config *configuration, + const AttributeMap &attribs, + Surface **outSurface) +{ + ASSERT(isInitialized()); + + if (mImplementation->testDeviceLost()) + { + ANGLE_TRY(restoreLostDevice()); + } + + SurfacePointer surface(new PbufferSurface(mImplementation, configuration, attribs), this); + ANGLE_TRY(surface->initialize(this)); + + ASSERT(outSurface != nullptr); + *outSurface = surface.release(); + mState.surfaceSet.insert(*outSurface); + + return NoError(); +} + +Error Display::createPbufferFromClientBuffer(const Config *configuration, + EGLenum buftype, + EGLClientBuffer clientBuffer, + const AttributeMap &attribs, + Surface **outSurface) +{ + ASSERT(isInitialized()); + + if (mImplementation->testDeviceLost()) + { + ANGLE_TRY(restoreLostDevice()); + } + + SurfacePointer surface( + new PbufferSurface(mImplementation, configuration, buftype, clientBuffer, attribs), this); + ANGLE_TRY(surface->initialize(this)); + + ASSERT(outSurface != nullptr); + *outSurface = surface.release(); + mState.surfaceSet.insert(*outSurface); + + return NoError(); +} + +Error Display::createPixmapSurface(const Config *configuration, + NativePixmapType nativePixmap, + const AttributeMap &attribs, + Surface **outSurface) +{ + ASSERT(isInitialized()); + + if (mImplementation->testDeviceLost()) + { + ANGLE_TRY(restoreLostDevice()); + } + + SurfacePointer surface(new PixmapSurface(mImplementation, configuration, nativePixmap, attribs), + this); + ANGLE_TRY(surface->initialize(this)); + + ASSERT(outSurface != nullptr); + *outSurface = surface.release(); + mState.surfaceSet.insert(*outSurface); + + return NoError(); +} + +Error Display::createImage(const 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 if (IsExternalImageTarget(target)) + { + sibling = new ExternalImageSibling(mImplementation, context, target, buffer, attribs); + } + else + { + UNREACHABLE(); + } + ASSERT(sibling != nullptr); + + angle::UniqueObjectPointer<Image, Display> imagePtr( + new Image(mImplementation, context, target, sibling, attribs), this); + ANGLE_TRY(imagePtr->initialize(this)); + + Image *image = imagePtr.release(); + + 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 NoError(); +} + +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 NoError(); +} + +Error Display::createContext(const Config *configuration, + const gl::Context *shareContext, + EGLenum clientType, + const AttributeMap &attribs, + gl::Context **outContext) +{ + ASSERT(isInitialized()); + + if (mImplementation->testDeviceLost()) + { + ANGLE_TRY(restoreLostDevice()); + } + + // This display texture sharing will allow the first context to create the texture share group. + bool usingDisplayTextureShareGroup = + attribs.get(EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE, EGL_FALSE) == EGL_TRUE; + gl::TextureManager *shareTextures = nullptr; + + if (usingDisplayTextureShareGroup) + { + ASSERT((mTextureManager == nullptr) == (mGlobalTextureShareGroupUsers == 0)); + if (mTextureManager == nullptr) + { + mTextureManager = new gl::TextureManager(); + } + + mGlobalTextureShareGroupUsers++; + shareTextures = mTextureManager; + } + + gl::MemoryProgramCache *cachePointer = &mMemoryProgramCache; + + // Check context creation attributes to see if we are using EGL_ANGLE_program_cache_control. + // If not, keep caching enabled for EGL_ANDROID_blob_cache, which can have its callbacks set + // at any time. + bool usesProgramCacheControl = + mAttributeMap.contains(EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE); + if (usesProgramCacheControl) + { + bool programCacheControlEnabled = + mAttributeMap.get(EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE, GL_FALSE); + // A program cache size of zero indicates it should be disabled. + if (!programCacheControlEnabled || mMemoryProgramCache.maxSize() == 0) + { + cachePointer = nullptr; + } + } + + gl::Context *context = + new gl::Context(this, configuration, shareContext, shareTextures, cachePointer, clientType, + attribs, mDisplayExtensions, GetClientExtensions()); + + ASSERT(context != nullptr); + mContextSet.insert(context); + + ASSERT(outContext != nullptr); + *outContext = context; + return NoError(); +} + +Error Display::createSync(const gl::Context *currentContext, + EGLenum type, + const AttributeMap &attribs, + Sync **outSync) +{ + ASSERT(isInitialized()); + + if (mImplementation->testDeviceLost()) + { + ANGLE_TRY(restoreLostDevice()); + } + + angle::UniqueObjectPointer<egl::Sync, Display> syncPtr(new Sync(mImplementation, type, attribs), + this); + + ANGLE_TRY(syncPtr->initialize(this, currentContext)); + + Sync *sync = syncPtr.release(); + + sync->addRef(); + mSyncSet.insert(sync); + + *outSync = sync; + return NoError(); +} + +Error Display::makeCurrent(const Thread *thread, + egl::Surface *drawSurface, + egl::Surface *readSurface, + gl::Context *context) +{ + if (!mInitialized) + { + return NoError(); + } + + gl::Context *previousContext = thread->getContext(); + if (previousContext) + { + ANGLE_TRY(previousContext->unMakeCurrent(this)); + } + + ANGLE_TRY(mImplementation->makeCurrent(drawSurface, readSurface, context)); + + if (context != nullptr) + { + ASSERT(readSurface == drawSurface); + ANGLE_TRY(context->makeCurrent(this, drawSurface)); + } + + return NoError(); +} + +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 EglContextLost(); + } + } + + return mImplementation->restoreLostDevice(this); +} + +Error 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); + } + + mState.surfaceSet.erase(surface); + ANGLE_TRY(surface->onDestroy(this)); + return NoError(); +} + +void Display::destroyImage(egl::Image *image) +{ + auto iter = mImageSet.find(image); + ASSERT(iter != mImageSet.end()); + (*iter)->release(this); + mImageSet.erase(iter); +} + +void Display::destroyStream(egl::Stream *stream) +{ + mStreamSet.erase(stream); + SafeDelete(stream); +} + +Error Display::destroyContext(const Thread *thread, gl::Context *context) +{ + gl::Context *currentContext = thread->getContext(); + Surface *currentDrawSurface = thread->getCurrentDrawSurface(); + Surface *currentReadSurface = thread->getCurrentReadSurface(); + bool changeContextForDeletion = context != currentContext; + + // Make the context being deleted current during it's deletion. This allows it to delete any + // resources it's holding. + if (changeContextForDeletion) + { + ANGLE_TRY(makeCurrent(thread, nullptr, nullptr, context)); + } + + if (context->usingDisplayTextureShareGroup()) + { + ASSERT(mGlobalTextureShareGroupUsers >= 1 && mTextureManager != nullptr); + if (mGlobalTextureShareGroupUsers == 1) + { + // If this is the last context using the global share group, destroy the global texture + // manager so that the textures can be destroyed while a context still exists + mTextureManager->release(context); + mTextureManager = nullptr; + } + mGlobalTextureShareGroupUsers--; + } + + ANGLE_TRY(context->onDestroy(this)); + mContextSet.erase(context); + SafeDelete(context); + + // Set the previous context back to current + if (changeContextForDeletion) + { + ANGLE_TRY(makeCurrent(thread, currentDrawSurface, currentReadSurface, currentContext)); + } + + return NoError(); +} + +void Display::destroySync(egl::Sync *sync) +{ + auto iter = mSyncSet.find(sync); + ASSERT(iter != mSyncSet.end()); + (*iter)->release(this); + mSyncSet.erase(iter); +} + +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(gl::GraphicsResetStatus::UnknownContextReset); + } + + mDeviceLost = true; +} + +void Display::setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get) +{ + mBlobCache.setBlobCacheFuncs(set, get); + mImplementation->setBlobCacheFuncs(set, get); +} + +// static +EGLClientBuffer Display::GetNativeClientBuffer(const AHardwareBuffer *buffer) +{ + return angle::android::AHardwareBufferToClientBuffer(buffer); +} + +Error Display::waitClient(const gl::Context *context) +{ + return mImplementation->waitClient(context); +} + +Error Display::waitNative(const gl::Context *context, EGLint engine) +{ + return mImplementation->waitNative(context, engine); +} + +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(const gl::Context *context) const +{ + return mContextSet.find(const_cast<gl::Context *>(context)) != mContextSet.end(); +} + +bool Display::isValidSurface(const Surface *surface) const +{ + return mState.surfaceSet.find(const_cast<Surface *>(surface)) != mState.surfaceSet.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::isValidSync(const Sync *sync) const +{ + return mSyncSet.find(const_cast<Sync *>(sync)) != mSyncSet.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; + + // Selecting context virtualization is currently only supported in the OpenGL backend. + extensions.platformANGLEContextVirtualization = true; +#endif + +#if defined(ANGLE_ENABLE_NULL) + extensions.platformANGLENULL = true; +#endif + +#if defined(ANGLE_ENABLE_D3D11) + extensions.deviceCreation = true; + extensions.deviceCreationD3D11 = true; + extensions.experimentalPresentPath = true; +#endif + +#if defined(ANGLE_ENABLE_VULKAN) + extensions.platformANGLEVulkan = true; +#endif + +#if defined(ANGLE_USE_X11) + extensions.x11Visual = true; +#endif + + extensions.clientGetAllProcAddresses = true; + extensions.debug = true; + extensions.explicitContext = true; + extensions.featureControlANGLE = 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(); +} + +// static +const ClientExtensions &Display::GetClientExtensions() +{ + static const ClientExtensions clientExtensions = GenerateClientExtensions(); + return clientExtensions; +} + +// static +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; + mDisplayExtensions.createContextWebGLCompatibility = true; + mDisplayExtensions.createContextBindGeneratesResource = true; + mDisplayExtensions.createContextClientArrays = true; + mDisplayExtensions.pixelFormatFloat = true; + + // Force EGL_KHR_get_all_proc_addresses on. + mDisplayExtensions.getAllProcAddresses = true; + + // Enable program cache control since it is not back-end dependent. + mDisplayExtensions.programCacheControl = true; + + // Request extension is implemented in the ANGLE frontend + mDisplayExtensions.createContextExtensionsEnabled = true; + + // Blob cache extension is provided by the ANGLE frontend + mDisplayExtensions.blobCache = true; + + // The EGL_ANDROID_recordable extension is provided by the ANGLE frontend, and will always say + // that ANativeWindow is not recordable. + mDisplayExtensions.recordable = true; + + // All backends support specific context versions + mDisplayExtensions.createContextBackwardsCompatible = true; + + mDisplayExtensionString = GenerateExtensionsString(mDisplayExtensions); +} + +bool Display::isValidNativeWindow(EGLNativeWindowType window) const +{ + return mImplementation->isValidNativeWindow(window); +} + +Error Display::validateClientBuffer(const Config *configuration, + EGLenum buftype, + EGLClientBuffer clientBuffer, + const AttributeMap &attribs) const +{ + return mImplementation->validateClientBuffer(configuration, buftype, clientBuffer, attribs); +} + +Error Display::validateImageClientBuffer(const gl::Context *context, + EGLenum target, + EGLClientBuffer clientBuffer, + const egl::AttributeMap &attribs) const +{ + return mImplementation->validateImageClientBuffer(context, target, clientBuffer, attribs); +} + +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) != nullptr); +#else + return true; +#endif +} + +void Display::initVendorString() +{ + mVendorString = mImplementation->getVendorString(); +} + +void Display::initializeFrontendFeatures() +{ + // Enable on all Impls + mFrontendFeatures.loseContextOnOutOfMemory.enabled = true; + mFrontendFeatures.scalarizeVecAndMatConstructorArgs.enabled = true; + + mImplementation->initializeFrontendFeatures(&mFrontendFeatures); + + rx::OverrideFeaturesWithDisplayState(&mFrontendFeatures, mState); +} + +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; +} + +Surface *Display::getWGLSurface() const +{ + return mSurface; +} + +gl::Version Display::getMaxSupportedESVersion() const +{ + return mImplementation->getMaxSupportedESVersion(); +} + +EGLint Display::programCacheGetAttrib(EGLenum attrib) const +{ + switch (attrib) + { + case EGL_PROGRAM_CACHE_KEY_LENGTH_ANGLE: + return static_cast<EGLint>(BlobCache::kKeyLength); + + case EGL_PROGRAM_CACHE_SIZE_ANGLE: + return static_cast<EGLint>(mMemoryProgramCache.entryCount()); + + default: + UNREACHABLE(); + return 0; + } +} + +Error Display::programCacheQuery(EGLint index, + void *key, + EGLint *keysize, + void *binary, + EGLint *binarysize) +{ + ASSERT(index >= 0 && index < static_cast<EGLint>(mMemoryProgramCache.entryCount())); + + const BlobCache::Key *programHash = nullptr; + BlobCache::Value programBinary; + // TODO(jmadill): Make this thread-safe. + bool result = + mMemoryProgramCache.getAt(static_cast<size_t>(index), &programHash, &programBinary); + if (!result) + { + return EglBadAccess() << "Program binary not accessible."; + } + + ASSERT(keysize && binarysize); + + if (key) + { + ASSERT(*keysize == static_cast<EGLint>(BlobCache::kKeyLength)); + memcpy(key, programHash->data(), BlobCache::kKeyLength); + } + + if (binary) + { + // Note: we check the size here instead of in the validation code, since we need to + // access the cache as atomically as possible. It's possible that the cache contents + // could change between the validation size check and the retrieval. + if (programBinary.size() > static_cast<size_t>(*binarysize)) + { + return EglBadAccess() << "Program binary too large or changed during access."; + } + + memcpy(binary, programBinary.data(), programBinary.size()); + } + + *binarysize = static_cast<EGLint>(programBinary.size()); + *keysize = static_cast<EGLint>(BlobCache::kKeyLength); + + return NoError(); +} + +Error Display::programCachePopulate(const void *key, + EGLint keysize, + const void *binary, + EGLint binarysize) +{ + ASSERT(keysize == static_cast<EGLint>(BlobCache::kKeyLength)); + + BlobCache::Key programHash; + memcpy(programHash.data(), key, BlobCache::kKeyLength); + + mMemoryProgramCache.putBinary(programHash, reinterpret_cast<const uint8_t *>(binary), + static_cast<size_t>(binarysize)); + return NoError(); +} + +EGLint Display::programCacheResize(EGLint limit, EGLenum mode) +{ + switch (mode) + { + case EGL_PROGRAM_CACHE_RESIZE_ANGLE: + { + size_t initialSize = mMemoryProgramCache.size(); + mMemoryProgramCache.resize(static_cast<size_t>(limit)); + return static_cast<EGLint>(initialSize); + } + + case EGL_PROGRAM_CACHE_TRIM_ANGLE: + return static_cast<EGLint>(mMemoryProgramCache.trim(static_cast<size_t>(limit))); + + default: + UNREACHABLE(); + return 0; + } +} + +const char *Display::queryStringi(const EGLint name, const EGLint index) +{ + const char *result = nullptr; + switch (name) + { + case EGL_FEATURE_NAME_ANGLE: + result = mFeatures[index]->name; + break; + case EGL_FEATURE_CATEGORY_ANGLE: + result = angle::FeatureCategoryToString(mFeatures[index]->category); + break; + case EGL_FEATURE_DESCRIPTION_ANGLE: + result = mFeatures[index]->description; + break; + case EGL_FEATURE_BUG_ANGLE: + result = mFeatures[index]->bug; + break; + case EGL_FEATURE_STATUS_ANGLE: + result = angle::FeatureStatusToString(mFeatures[index]->enabled); + break; + default: + UNREACHABLE(); + return nullptr; + } + return result; +} + +EGLAttrib Display::queryAttrib(const EGLint attribute) +{ + EGLAttrib value = 0; + switch (attribute) + { + case EGL_DEVICE_EXT: + value = reinterpret_cast<EGLAttrib>(mDevice); + break; + + case EGL_FEATURE_COUNT_ANGLE: + value = mFeatures.size(); + break; + + default: + UNREACHABLE(); + } + return value; +} + +void Display::onPostSwap() const +{ +#if ANGLE_CAPTURE_ENABLED + // Dump frame capture if enabled. + mFrameCapture->onEndFrame(); +#endif // ANGLE_CAPTURE_ENABLED +} +} // namespace egl |