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//
// Copyright 2002 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 <sstream>
#include <vector>
#include <EGL/eglext.h>
#include <platform/PlatformMethods.h>
#include "anglebase/no_destructor.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/tls.h"
#include "common/utilities.h"
#include "gpu_info_util/SystemInfo.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/capture/FrameCapture.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 defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
# include <versionhelpers.h>
# 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_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_IOS)
# include "libANGLE/renderer/gl/apple/DisplayApple_api.h"
# elif defined(ANGLE_PLATFORM_LINUX)
# include "libANGLE/renderer/gl/egl/DisplayEGL.h"
# if defined(ANGLE_USE_GBM)
# include "libANGLE/renderer/gl/egl/gbm/DisplayGbm.h"
# endif
# if defined(ANGLE_USE_X11)
# include "libANGLE/renderer/gl/glx/DisplayGLX.h"
# endif
# 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)
# include "libANGLE/renderer/vulkan/DisplayVk_api.h"
#endif // defined(ANGLE_ENABLE_VULKAN)
#if defined(ANGLE_ENABLE_METAL)
# include "libANGLE/renderer/metal/DisplayMtl_api.h"
#endif // defined(ANGLE_ENABLE_METAL)
namespace egl
{
namespace
{
constexpr angle::SubjectIndex kGPUSwitchedSubjectIndex = 0;
static constexpr size_t kWindowSurfaceMapSize = 32;
typedef angle::FlatUnorderedMap<EGLNativeWindowType, Surface *, kWindowSurfaceMapSize>
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 angle::base::NoDestructor<WindowSurfaceMap> windowSurfaces;
return windowSurfaces.get();
}
struct ANGLEPlatformDisplay
{
ANGLEPlatformDisplay() = default;
ANGLEPlatformDisplay(EGLNativeDisplayType nativeDisplayType)
: nativeDisplayType(nativeDisplayType)
{}
ANGLEPlatformDisplay(EGLNativeDisplayType nativeDisplayType,
EGLAttrib powerPreference,
EGLAttrib platformANGLEType,
EGLAttrib deviceIdHigh,
EGLAttrib deviceIdLow)
: nativeDisplayType(nativeDisplayType),
powerPreference(powerPreference),
platformANGLEType(platformANGLEType),
deviceIdHigh(deviceIdHigh),
deviceIdLow(deviceIdLow)
{}
auto tie() const
{
return std::tie(nativeDisplayType, powerPreference, platformANGLEType, deviceIdHigh,
deviceIdLow);
}
EGLNativeDisplayType nativeDisplayType{EGL_DEFAULT_DISPLAY};
EGLAttrib powerPreference{EGL_LOW_POWER_ANGLE};
EGLAttrib platformANGLEType{EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE};
EGLAttrib deviceIdHigh{0};
EGLAttrib deviceIdLow{0};
};
inline bool operator==(const ANGLEPlatformDisplay &a, const ANGLEPlatformDisplay &b)
{
return a.tie() == b.tie();
}
static constexpr size_t kANGLEPlatformDisplayMapSize = 9;
typedef angle::FlatUnorderedMap<ANGLEPlatformDisplay, Display *, kANGLEPlatformDisplayMapSize>
ANGLEPlatformDisplayMap;
static ANGLEPlatformDisplayMap *GetANGLEPlatformDisplayMap()
{
static angle::base::NoDestructor<ANGLEPlatformDisplayMap> displays;
return displays.get();
}
static constexpr size_t kDevicePlatformDisplayMapSize = 8;
typedef angle::FlatUnorderedMap<Device *, Display *, kDevicePlatformDisplayMapSize>
DevicePlatformDisplayMap;
static DevicePlatformDisplayMap *GetDevicePlatformDisplayMap()
{
static angle::base::NoDestructor<DevicePlatformDisplayMap> displays;
return displays.get();
}
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, null.
EGLAttrib GetDisplayTypeFromEnvironment()
{
std::string angleDefaultEnv = angle::GetEnvironmentVar("ANGLE_DEFAULT_PLATFORM");
angle::ToLower(&angleDefaultEnv);
#if defined(ANGLE_ENABLE_VULKAN)
if ((angleDefaultEnv == "vulkan") || (angleDefaultEnv == "vulkan-null") ||
(angleDefaultEnv == "swiftshader"))
{
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
#if defined(ANGLE_ENABLE_METAL)
if (angleDefaultEnv == "metal")
{
return EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE;
}
#endif
#if defined(ANGLE_ENABLE_NULL)
if (angleDefaultEnv == "null")
{
return EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE;
}
#endif
#if defined(ANGLE_ENABLE_METAL)
if (angleDefaultEnv == "metal")
{
return EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE;
}
#endif
#if defined(ANGLE_ENABLE_D3D11)
return EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE;
#elif defined(ANGLE_ENABLE_D3D9)
return EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE;
#elif defined(ANGLE_ENABLE_VULKAN) && defined(ANGLE_PLATFORM_ANDROID)
return EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
#elif defined(ANGLE_ENABLE_OPENGL)
# if defined(ANGLE_PLATFORM_ANDROID) || defined(ANGLE_USE_GBM)
return EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE;
# else
return EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE;
# endif
#elif defined(ANGLE_ENABLE_METAL)
return EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE;
#elif defined(ANGLE_ENABLE_VULKAN)
return EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
#elif defined(ANGLE_ENABLE_NULL)
return EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE;
#else
# error No default ANGLE platform type
#endif
}
EGLAttrib GetDeviceTypeFromEnvironment()
{
std::string angleDefaultEnv = angle::GetEnvironmentVar("ANGLE_DEFAULT_PLATFORM");
angle::ToLower(&angleDefaultEnv);
#if defined(ANGLE_ENABLE_VULKAN)
if (angleDefaultEnv == "vulkan-null")
{
return EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE;
}
else if (angleDefaultEnv == "swiftshader")
{
return EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE;
}
#endif
return EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE;
}
EGLAttrib GetPlatformTypeFromEnvironment()
{
#if defined(ANGLE_USE_OZONE)
return 0;
#elif defined(ANGLE_USE_X11)
return EGL_PLATFORM_X11_EXT;
#elif defined(ANGLE_USE_WAYLAND)
return EGL_PLATFORM_WAYLAND_EXT;
#elif defined(ANGLE_USE_VULKAN_DISPLAY) && defined(ANGLE_VULKAN_DISPLAY_MODE_SIMPLE)
return EGL_PLATFORM_VULKAN_DISPLAY_MODE_SIMPLE_ANGLE;
#elif defined(ANGLE_USE_VULKAN_DISPLAY) && defined(ANGLE_VULKAN_DISPLAY_MODE_HEADLESS)
return EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE;
#else
return 0;
#endif // defined(ANGLE_USE_OZONE)
}
rx::DisplayImpl *CreateDisplayFromAttribs(EGLAttrib displayType,
EGLAttrib deviceType,
EGLAttrib platformType,
const DisplayState &state)
{
ASSERT(displayType != EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
rx::DisplayImpl *impl = nullptr;
switch (displayType)
{
case EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE:
UNREACHABLE();
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);
break;
#else
// A D3D display was requested on a platform that doesn't support it
UNREACHABLE();
break;
#endif
case EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE:
#if defined(ANGLE_ENABLE_OPENGL)
# if defined(ANGLE_PLATFORM_WINDOWS)
impl = new rx::DisplayWGL(state);
break;
# elif defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_IOS)
impl = rx::CreateDisplayCGLOrEAGL(state);
break;
# elif defined(ANGLE_PLATFORM_LINUX)
# if defined(ANGLE_USE_GBM)
if (platformType == 0)
{
// If platformType is unknown, use DisplayGbm now. In the future, it should use
// DisplayEGL letting native EGL decide what display to use.
impl = new rx::DisplayGbm(state);
break;
}
# endif
if (deviceType == EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE)
{
impl = new rx::DisplayEGL(state);
break;
}
# if defined(ANGLE_USE_X11)
if (platformType == EGL_PLATFORM_X11_EXT)
{
impl = new rx::DisplayGLX(state);
break;
}
# endif
break;
# elif defined(ANGLE_PLATFORM_ANDROID)
// No GL support on this platform, fail display creation.
impl = nullptr;
break;
# else
# error Unsupported OpenGL platform.
# endif
#else
// No display available
UNREACHABLE();
break;
#endif // defined(ANGLE_ENABLE_OPENGL)
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_PLATFORM_LINUX)
# if defined(ANGLE_USE_GBM)
if (platformType == 0 ||
platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE)
{
// If platformType is unknown, use DisplayGbm now. In the future, it should use
// DisplayEGL letting native EGL decide what display to use.
// platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE is a hack,
// to allow ChromeOS GLES backend to continue functioning when Vulkan is enabled.
impl = new rx::DisplayGbm(state);
break;
}
# endif
if (deviceType == EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE)
{
impl = new rx::DisplayEGL(state);
break;
}
else
{
# if defined(ANGLE_USE_X11)
if (platformType == EGL_PLATFORM_X11_EXT)
{
impl = new rx::DisplayGLX(state);
break;
}
# endif
}
# 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_USE_VULKAN_NULL_DISPLAY)
if (rx::IsVulkanNullDisplayAvailable())
{
impl = rx::CreateVulkanNullDisplay(state);
}
break;
# elif defined(ANGLE_PLATFORM_WINDOWS)
if (rx::IsVulkanWin32DisplayAvailable())
{
impl = rx::CreateVulkanWin32Display(state);
}
break;
# elif defined(ANGLE_PLATFORM_LINUX)
# if defined(ANGLE_USE_GBM)
if (platformType == EGL_PLATFORM_GBM_KHR && rx::IsVulkanGbmDisplayAvailable())
{
impl = rx::CreateVulkanGbmDisplay(state);
break;
}
# endif
# if defined(ANGLE_USE_X11)
if (platformType == EGL_PLATFORM_X11_EXT && rx::IsVulkanXcbDisplayAvailable())
{
impl = rx::CreateVulkanXcbDisplay(state);
break;
}
# endif
# if defined(ANGLE_USE_WAYLAND)
if (platformType == EGL_PLATFORM_WAYLAND_EXT && rx::IsVulkanWaylandDisplayAvailable())
{
impl = rx::CreateVulkanWaylandDisplay(state);
break;
}
# endif
# if defined(ANGLE_USE_VULKAN_DISPLAY)
if (platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_SIMPLE_ANGLE &&
rx::IsVulkanSimpleDisplayAvailable())
{
impl = rx::CreateVulkanSimpleDisplay(state);
}
else if (platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE &&
rx::IsVulkanHeadlessDisplayAvailable())
{
impl = rx::CreateVulkanHeadlessDisplay(state);
}
else
{
// Not supported creation type on vulkan display, fail display creation.
impl = nullptr;
}
# endif
break;
# elif defined(ANGLE_PLATFORM_ANDROID)
if (rx::IsVulkanAndroidDisplayAvailable())
{
impl = rx::CreateVulkanAndroidDisplay(state);
}
break;
# elif defined(ANGLE_PLATFORM_FUCHSIA)
if (rx::IsVulkanFuchsiaDisplayAvailable())
{
impl = rx::CreateVulkanFuchsiaDisplay(state);
}
break;
# elif defined(ANGLE_PLATFORM_GGP)
if (rx::IsVulkanGGPDisplayAvailable())
{
impl = rx::CreateVulkanGGPDisplay(state);
}
break;
# elif defined(ANGLE_PLATFORM_APPLE)
if (rx::IsVulkanMacDisplayAvailable())
{
impl = rx::CreateVulkanMacDisplay(state);
}
break;
# else
# error Unsupported Vulkan platform.
# endif
#else
// No display available
UNREACHABLE();
break;
#endif // defined(ANGLE_ENABLE_VULKAN)
case EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE:
#if defined(ANGLE_ENABLE_METAL)
if (rx::IsMetalDisplayAvailable())
{
impl = rx::CreateMetalDisplay(state);
break;
}
#endif
// No display available
UNREACHABLE();
break;
case EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE:
#if defined(ANGLE_ENABLE_NULL)
impl = new rx::DisplayNULL(state);
break;
#else
// No display available
UNREACHABLE();
break;
#endif // defined(ANGLE_ENABLE_NULL)
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;
}
void UpdateAttribsFromEnvironment(AttributeMap &attribMap)
{
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();
attribMap.insert(EGL_PLATFORM_ANGLE_TYPE_ANGLE, displayType);
}
EGLAttrib deviceType = attribMap.get(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, 0);
if (deviceType == 0)
{
deviceType = GetDeviceTypeFromEnvironment();
attribMap.insert(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, deviceType);
}
EGLAttrib platformType = attribMap.get(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE, 0);
if (platformType == 0)
{
platformType = GetPlatformTypeFromEnvironment();
attribMap.insert(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE, platformType);
}
}
static constexpr uint32_t kScratchBufferLifetime = 64u;
} // anonymous namespace
// ShareGroup
ShareGroup::ShareGroup(rx::EGLImplFactory *factory)
: mRefCount(1),
mImplementation(factory->createShareGroup()),
mFrameCaptureShared(new angle::FrameCaptureShared)
{}
void ShareGroup::finishAllContexts()
{
for (gl::Context *shareContext : mContexts)
{
if (shareContext->hasBeenCurrent() && !shareContext->isDestroyed())
{
shareContext->finish();
}
}
}
void ShareGroup::addSharedContext(gl::Context *context)
{
mContexts.insert(context);
if (context->isRobustnessEnabled())
{
mImplementation->onRobustContextAdd();
}
}
void ShareGroup::removeSharedContext(gl::Context *context)
{
mContexts.erase(context);
}
ShareGroup::~ShareGroup()
{
SafeDelete(mImplementation);
}
void ShareGroup::addRef()
{
// This is protected by global lock, so no atomic is required
mRefCount++;
}
void ShareGroup::release(const Display *display)
{
if (--mRefCount == 0)
{
if (mImplementation)
{
mImplementation->onDestroy(display);
}
delete this;
}
}
// DisplayState
DisplayState::DisplayState(EGLNativeDisplayType nativeDisplayId)
: label(nullptr), featuresAllDisabled(false), displayId(nativeDisplayId)
{}
DisplayState::~DisplayState() {}
// Note that ANGLE support on Ozone platform is limited. Our preferred support Matrix for
// EGL_ANGLE_platform_angle on Linux and Ozone/Linux/Fuchsia platforms should be the following:
//
// |--------------------------------------------------------|
// | ANGLE type | DEVICE type | PLATFORM type | Display |
// |--------------------------------------------------------|
// | OPENGL | EGL | ANY | EGL |
// | OPENGL | HARDWARE | X11_EXT | GLX |
// | OPENGLES | HARDWARE | X11_EXT | GLX |
// | OPENGLES | EGL | ANY | EGL |
// | VULKAN | HARDWARE | X11_EXT | VkXcb |
// | VULKAN | SWIFTSHADER | X11_EXT | VkXcb |
// | OPENGLES | HARDWARE | SURFACELESS_MESA | EGL* |
// | OPENGLES | HARDWARE | DEVICE_EXT | EGL |
// | VULKAN | HARDWARE | SURFACELESS_MESA | VkBase** |
// | VULKAN | SWIFTSHADER | SURFACELESS_MESA | VkBase** |
// |--------------------------------------------------------|
//
// * No surfaceless support yet.
// ** Not implemented yet.
//
// |-----------------------------------------------|
// | OS | BUILD type | Default PLATFORM type |
// |-----------------------------------------------|
// | Linux | X11 | X11_EXT |
// | Linux | Ozone | SURFACELESS_MESA |
// | Fuchsia | Ozone | FUCHSIA*** |
// |-----------------------------------------------|
//
// *** Chosen implicitly. No EGLAttrib available.
//
// For more details, please refer to
//
// static
Display *Display::GetDisplayFromNativeDisplay(EGLenum platform,
EGLNativeDisplayType nativeDisplay,
const AttributeMap &attribMap)
{
Display *display = nullptr;
AttributeMap updatedAttribMap(attribMap);
UpdateAttribsFromEnvironment(updatedAttribMap);
EGLAttrib powerPreference =
updatedAttribMap.get(EGL_POWER_PREFERENCE_ANGLE, EGL_LOW_POWER_ANGLE);
EGLAttrib platformANGLEType =
updatedAttribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
EGLAttrib deviceIdHigh = updatedAttribMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE, 0);
EGLAttrib deviceIdLow = updatedAttribMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE, 0);
ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap();
ANGLEPlatformDisplay displayKey(nativeDisplay, powerPreference, platformANGLEType, deviceIdHigh,
deviceIdLow);
const auto &iter = displays->find(displayKey);
if (iter != displays->end())
{
display = iter->second;
}
if (display == nullptr)
{
// Validate the native display
if (!Display::isValidNativeDisplay(nativeDisplay))
{
return nullptr;
}
display = new Display(platform, nativeDisplay, nullptr);
displays->insert(std::make_pair(displayKey, display));
}
// Apply new attributes if the display is not initialized yet.
if (!display->isInitialized())
{
display->setAttributes(updatedAttribMap);
EGLAttrib displayType = display->mAttributeMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE);
EGLAttrib deviceType = display->mAttributeMap.get(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE);
EGLAttrib platformType = platform;
if (platform == EGL_PLATFORM_ANGLE_ANGLE)
{
platformType =
display->mAttributeMap.get(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE);
}
rx::DisplayImpl *impl =
CreateDisplayFromAttribs(displayType, deviceType, platformType, display->getState());
if (impl == nullptr)
{
// No valid display implementation for these attributes
return nullptr;
}
#if defined(ANGLE_USE_ANDROID_TLS_SLOT)
angle::gUseAndroidOpenGLTlsSlot = displayType == EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
#endif // defined(ANGLE_PLATFORM_ANDROID)
display->setupDisplayPlatform(impl);
}
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())
{
display->setAttributes(attribMap);
rx::DisplayImpl *impl = CreateDisplayFromDevice(device, display->getState());
display->setupDisplayPlatform(impl);
}
return display;
}
// static
Display::EglDisplaySet Display::GetEglDisplaySet()
{
Display::EglDisplaySet displays;
ANGLEPlatformDisplayMap *anglePlatformDisplays = GetANGLEPlatformDisplayMap();
DevicePlatformDisplayMap *devicePlatformDisplays = GetDevicePlatformDisplayMap();
for (auto anglePlatformDisplayMapEntry : *anglePlatformDisplays)
{
displays.insert(anglePlatformDisplayMapEntry.second);
}
for (auto devicePlatformDisplayMapEntry : *devicePlatformDisplays)
{
displays.insert(devicePlatformDisplayMapEntry.second);
}
return displays;
}
Display::Display(EGLenum platform, EGLNativeDisplayType displayId, Device *eglDevice)
: mState(displayId),
mImplementation(nullptr),
mGPUSwitchedBinding(this, kGPUSwitchedSubjectIndex),
mAttributeMap(),
mConfigSet(),
mStreamSet(),
mInvalidContextSet(),
mInvalidImageSet(),
mInvalidStreamSet(),
mInvalidSurfaceSet(),
mInvalidSyncSet(),
mInitialized(false),
mDeviceLost(false),
mCaps(),
mDisplayExtensions(),
mDisplayExtensionString(),
mVendorString(),
mVersionString(),
mDevice(eglDevice),
mSurface(nullptr),
mPlatform(platform),
mTextureManager(nullptr),
mSemaphoreManager(nullptr),
mBlobCache(gl::kDefaultMaxProgramCacheMemoryBytes),
mMemoryProgramCache(mBlobCache),
mMemoryShaderCache(mBlobCache),
mGlobalTextureShareGroupUsers(0),
mGlobalSemaphoreShareGroupUsers(0),
mTerminatedByApi(false),
mActiveThreads()
{}
Display::~Display()
{
switch (mPlatform)
{
case EGL_PLATFORM_ANGLE_ANGLE:
case EGL_PLATFORM_GBM_KHR:
case EGL_PLATFORM_WAYLAND_EXT:
{
ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap();
ANGLEPlatformDisplayMap::iterator iter = displays->find(ANGLEPlatformDisplay(
mState.displayId,
mAttributeMap.get(EGL_POWER_PREFERENCE_ANGLE, EGL_LOW_POWER_ANGLE),
mAttributeMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE,
EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE),
mAttributeMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE, 0),
mAttributeMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE, 0)));
if (iter != displays->end())
{
displays->erase(iter);
}
break;
}
case EGL_PLATFORM_DEVICE_EXT:
{
DevicePlatformDisplayMap *displays = GetDevicePlatformDisplayMap();
DevicePlatformDisplayMap::iterator iter = displays->find(mDevice);
if (iter != displays->end())
{
displays->erase(iter);
}
break;
}
default:
{
UNREACHABLE();
}
}
SafeDelete(mDevice);
SafeDelete(mImplementation);
}
void Display::setLabel(EGLLabelKHR label)
{
mState.label = label;
}
EGLLabelKHR Display::getLabel() const
{
return mState.label;
}
void Display::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
{
ASSERT(index == kGPUSwitchedSubjectIndex);
ASSERT(message == angle::SubjectMessage::SubjectChanged);
for (gl::Context *context : mState.contextSet)
{
context->onGPUSwitch();
}
}
void Display::setupDisplayPlatform(rx::DisplayImpl *impl)
{
ASSERT(!mInitialized);
ASSERT(impl != nullptr);
SafeDelete(mImplementation);
mImplementation = impl;
// TODO(anglebug.com/7365): Remove PlatformMethods.
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);
mState.featuresAllDisabled =
static_cast<bool>(mAttributeMap.get(EGL_FEATURE_ALL_DISABLED_ANGLE, 0));
mImplementation->addObserver(&mGPUSwitchedBinding);
}
Error Display::initialize()
{
mTerminatedByApi = false;
ASSERT(mImplementation != nullptr);
mImplementation->setBlobCache(&mBlobCache);
// Enable shader caching if debug layers are turned on. This allows us to test that shaders are
// properly saved & restored on all platforms. The cache won't allocate space until it's used
// and will be ignored entirely if the application / system sets it's own cache functions.
if (rx::ShouldUseDebugLayers(mAttributeMap))
{
mBlobCache.resize(1024 * 1024);
}
setGlobalDebugAnnotator();
gl::InitializeDebugMutexIfNeeded();
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() << "No configs were generated.";
}
// 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;
// If we aren't using desktop GL entry points, remove desktop GL support from all configs
#if !defined(ANGLE_ENABLE_GL_DESKTOP_FRONTEND)
config.second.renderableType &= ~EGL_OPENGL_BIT;
#endif
}
if (!mState.featuresAllDisabled)
{
initializeFrontendFeatures();
}
mFeatures.clear();
mFrontendFeatures.populateFeatureList(&mFeatures);
mImplementation->populateFeatureList(&mFeatures);
initDisplayExtensions();
initVendorString();
initVersionString();
initClientAPIString();
// Populate the Display's EGLDeviceEXT if the Display wasn't created using one
if (mPlatform == EGL_PLATFORM_DEVICE_EXT)
{
// For EGL_PLATFORM_DEVICE_EXT, mDevice should always be populated using
// an external device
ASSERT(mDevice != nullptr);
}
else if (GetClientExtensions().deviceQueryEXT)
{
std::unique_ptr<rx::DeviceImpl> impl(mImplementation->createDevice());
ASSERT(impl);
error = impl->initialize();
if (error.isError())
{
ERR() << "Failed to initialize display because device creation failed: "
<< error.getMessage();
mImplementation->terminate();
return error;
}
// Don't leak Device memory.
ASSERT(mDevice == nullptr);
mDevice = new Device(this, impl.release());
}
else
{
mDevice = nullptr;
}
mInitialized = true;
return NoError();
}
Error Display::destroyInvalidEglObjects()
{
// Destroy invalid EGL objects
while (!mInvalidContextSet.empty())
{
gl::Context *context = *mInvalidContextSet.begin();
context->setIsDestroyed();
ANGLE_TRY(releaseContextImpl(context, &mInvalidContextSet));
}
while (!mInvalidImageSet.empty())
{
destroyImageImpl(*mInvalidImageSet.begin(), &mInvalidImageSet);
}
while (!mInvalidStreamSet.empty())
{
destroyStreamImpl(*mInvalidStreamSet.begin(), &mInvalidStreamSet);
}
while (!mInvalidSurfaceSet.empty())
{
ANGLE_TRY(destroySurfaceImpl(*mInvalidSurfaceSet.begin(), &mInvalidSurfaceSet));
}
while (!mInvalidSyncSet.empty())
{
destroySyncImpl(*mInvalidSyncSet.begin(), &mInvalidSyncSet);
}
return NoError();
}
Error Display::terminate(Thread *thread, TerminateReason terminateReason)
{
if (terminateReason == TerminateReason::Api)
{
mTerminatedByApi = true;
}
// All subsequent calls assume the display to be valid and terminated by app.
// If it is not terminated or if it isn't even initialized, early return.
if (!mTerminatedByApi || !mInitialized)
{
return NoError();
}
// EGL 1.5 Specification
// 3.2 Initialization
// Termination marks all EGL-specific resources, such as contexts and surfaces, associated
// with the specified display for deletion. Handles to all such resources are invalid as soon
// as eglTerminate returns. Cache EGL objects that are no longer valid.
//
// It is fairly common for apps to call eglTerminate while some contexts and/or surfaces are
// still current on some thread. Since objects are refCounted, trying to destroy them right away
// would only result in a decRef. We instead cache such invalid objects and use other EGL
// entrypoints like eglReleaseThread or thread exit events (on the Android platform) to
// perform the necessary cleanup.
mInvalidImageSet.insert(mImageSet.begin(), mImageSet.end());
mImageSet.clear();
mInvalidStreamSet.insert(mStreamSet.begin(), mStreamSet.end());
mStreamSet.clear();
mInvalidSurfaceSet.insert(mState.surfaceSet.begin(), mState.surfaceSet.end());
mState.surfaceSet.clear();
mInvalidSyncSet.insert(mSyncSet.begin(), mSyncSet.end());
mSyncSet.clear();
// Cache total number of contexts before invalidation. This is used as a check to verify that
// no context is "lost" while being moved between the various sets.
size_t contextSetSizeBeforeInvalidation = mState.contextSet.size() + mInvalidContextSet.size();
// If app called eglTerminate and no active threads remain,
// force realease any context that is still current.
ContextSet contextsStillCurrent = {};
for (gl::Context *context : mState.contextSet)
{
if (context->getRefCount() > 0)
{
if (terminateReason == TerminateReason::NoActiveThreads)
{
ASSERT(mTerminatedByApi);
context->release();
(void)context->unMakeCurrent(this);
}
else
{
contextsStillCurrent.emplace(context);
continue;
}
}
// Add context that is not current to mInvalidContextSet for cleanup.
mInvalidContextSet.emplace(context);
}
// There are many methods that require contexts that are still current to be present in
// display's contextSet like during context release or to notify of state changes in a subject.
// So as to not interrupt this flow, do not remove contexts that are still current on some
// thread from display's contextSet even though eglTerminate marks such contexts as invalid.
//
// "mState.contextSet" will now contain only those contexts that are still current on some
// thread.
mState.contextSet = std::move(contextsStillCurrent);
// Assert that the total number of contexts is the same before and after context invalidation.
ASSERT(contextSetSizeBeforeInvalidation ==
mState.contextSet.size() + mInvalidContextSet.size());
if (!mState.contextSet.empty())
{
// There was atleast 1 context that was current on some thread, early return.
return NoError();
}
mMemoryProgramCache.clear();
mMemoryShaderCache.clear();
mBlobCache.setBlobCacheFuncs(nullptr, nullptr);
// The global texture and semaphore managers should be deleted with the last context that uses
// it.
ASSERT(mGlobalTextureShareGroupUsers == 0 && mTextureManager == nullptr);
ASSERT(mGlobalSemaphoreShareGroupUsers == 0 && mSemaphoreManager == nullptr);
// Clean up all invalid objects
ANGLE_TRY(destroyInvalidEglObjects());
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();
}
Error Display::prepareForCall()
{
return mImplementation->prepareForCall();
}
Error Display::releaseThread()
{
ANGLE_TRY(mImplementation->releaseThread());
return destroyInvalidEglObjects();
}
void Display::addActiveThread(Thread *thread)
{
mActiveThreads.insert(thread);
}
void Display::threadCleanup(Thread *thread)
{
mActiveThreads.erase(thread);
const bool noActiveThreads = mActiveThreads.size() == 0;
(void)terminate(thread, noActiveThreads ? TerminateReason::NoActiveThreads
: TerminateReason::InternalCleanup);
}
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,
mFrontendFeatures.forceRobustResourceInit.enabled),
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,
mFrontendFeatures.forceRobustResourceInit.enabled),
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,
mFrontendFeatures.forceRobustResourceInit.enabled),
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,
mFrontendFeatures.forceRobustResourceInit.enabled),
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,
gl::Context *shareContext,
EGLenum clientType,
const AttributeMap &attribs,
gl::Context **outContext)
{
ASSERT(!mTerminatedByApi);
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;
}
// This display semaphore sharing will allow the first context to create the semaphore share
// group.
bool usingDisplaySemaphoreShareGroup =
attribs.get(EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE, EGL_FALSE) == EGL_TRUE;
gl::SemaphoreManager *shareSemaphores = nullptr;
if (usingDisplaySemaphoreShareGroup)
{
ASSERT((mSemaphoreManager == nullptr) == (mGlobalSemaphoreShareGroupUsers == 0));
if (mSemaphoreManager == nullptr)
{
mSemaphoreManager = new gl::SemaphoreManager();
}
mGlobalSemaphoreShareGroupUsers++;
shareSemaphores = mSemaphoreManager;
}
gl::MemoryProgramCache *programCachePointer = &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 = attribs.contains(EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE);
if (usesProgramCacheControl)
{
bool programCacheControlEnabled =
(attribs.get(EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE, GL_FALSE) == GL_TRUE);
// A program cache size of zero indicates it should be disabled.
if (!programCacheControlEnabled || mMemoryProgramCache.maxSize() == 0)
{
programCachePointer = nullptr;
}
}
gl::MemoryShaderCache *shaderCachePointer = &mMemoryShaderCache;
// Check if shader caching frontend feature is enabled.
if (!mFrontendFeatures.cacheCompiledShader.enabled)
{
shaderCachePointer = nullptr;
}
gl::Context *context = new gl::Context(
this, configuration, shareContext, shareTextures, shareSemaphores, programCachePointer,
shaderCachePointer, clientType, attribs, mDisplayExtensions, GetClientExtensions());
Error error = context->initialize();
if (error.isError())
{
delete context;
return error;
}
if (shareContext != nullptr)
{
shareContext->setShared();
}
ASSERT(context != nullptr);
mState.contextSet.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(Thread *thread,
gl::Context *previousContext,
egl::Surface *drawSurface,
egl::Surface *readSurface,
gl::Context *context)
{
if (!mInitialized)
{
return NoError();
}
bool contextChanged = context != previousContext;
if (previousContext != nullptr && contextChanged)
{
previousContext->release();
thread->setCurrent(nullptr);
auto error = previousContext->unMakeCurrent(this);
if (previousContext->getRefCount() == 0 && previousContext->isDestroyed())
{
// The previous Context may have been created with a different Display.
Display *previousDisplay = previousContext->getDisplay();
ANGLE_TRY(previousDisplay->releaseContext(previousContext, thread));
}
ANGLE_TRY(error);
}
thread->setCurrent(context);
ANGLE_TRY(mImplementation->makeCurrent(this, drawSurface, readSurface, context));
if (context != nullptr)
{
ANGLE_TRY(context->makeCurrent(this, drawSurface, readSurface));
if (contextChanged)
{
context->addRef();
}
}
// Tick all the scratch buffers to make sure they get cleaned up eventually if they stop being
// used.
{
std::lock_guard<std::mutex> lock(mScratchBufferMutex);
for (angle::ScratchBuffer &scatchBuffer : mScratchBuffers)
{
scatchBuffer.tick();
}
for (angle::ScratchBuffer &zeroFilledBuffer : mZeroFilledBuffers)
{
zeroFilledBuffer.tick();
}
}
return NoError();
}
Error Display::restoreLostDevice()
{
for (ContextSet::iterator ctx = mState.contextSet.begin(); ctx != mState.contextSet.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::destroySurfaceImpl(Surface *surface, SurfaceSet *surfaces)
{
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);
}
auto iter = surfaces->find(surface);
ASSERT(iter != surfaces->end());
surfaces->erase(iter);
ANGLE_TRY(surface->onDestroy(this));
return NoError();
}
void Display::destroyImageImpl(Image *image, ImageSet *images)
{
auto iter = images->find(image);
ASSERT(iter != images->end());
(*iter)->release(this);
images->erase(iter);
}
void Display::destroyStreamImpl(Stream *stream, StreamSet *streams)
{
streams->erase(stream);
SafeDelete(stream);
}
// releaseContext must be called with the context being deleted as current.
// To do that we can only call this in two places, Display::makeCurrent at the point where this
// context is being made uncurrent and in Display::destroyContext where we make the context current
// as part of destruction.
Error Display::releaseContext(gl::Context *context, Thread *thread)
{
return releaseContextImpl(context, &mState.contextSet);
}
Error Display::releaseContextImpl(gl::Context *context, ContextSet *contexts)
{
ASSERT(context->getRefCount() == 0);
// Use scoped_ptr to make sure the context is always freed.
std::unique_ptr<gl::Context> unique_context(context);
ASSERT(contexts->find(context) != contexts->end());
contexts->erase(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--;
}
if (context->usingDisplaySemaphoreShareGroup())
{
ASSERT(mGlobalSemaphoreShareGroupUsers >= 1 && mSemaphoreManager != nullptr);
if (mGlobalSemaphoreShareGroupUsers == 1)
{
// If this is the last context using the global share group, destroy the global
// semaphore manager so that the semaphores can be destroyed while a context still
// exists
mSemaphoreManager->release(context);
mSemaphoreManager = nullptr;
}
mGlobalSemaphoreShareGroupUsers--;
}
ANGLE_TRY(context->onDestroy(this));
return NoError();
}
Error Display::destroyContext(Thread *thread, gl::Context *context)
{
auto *currentContext = thread->getContext();
auto *currentDrawSurface = thread->getCurrentDrawSurface();
auto *currentReadSurface = thread->getCurrentReadSurface();
context->setIsDestroyed();
// If the context is still current on at least 1 thread, just return since it'll be released
// once no threads have it current anymore.
if (context->getRefCount() > 0)
{
return NoError();
}
// For external context, we cannot change the current native context, and the API user should
// make sure the native context is current.
if (context->isExternal())
{
ANGLE_TRY(releaseContext(context, thread));
}
else
{
// Keep |currentContext| alive, while releasing |context|.
gl::ScopedContextRef scopedContextRef(currentContext);
// keep |currentDrawSurface| and |currentReadSurface| alive as well
// while releasing |context|.
ScopedSurfaceRef drawSurfaceRef(currentDrawSurface);
ScopedSurfaceRef readSurfaceRef(
currentReadSurface == currentDrawSurface ? nullptr : currentReadSurface);
// Make the context current, so we can release resources belong to the context, and then
// when context is released from the current, it will be destroyed.
// destroy it.
ANGLE_TRY(makeCurrent(thread, currentContext, nullptr, nullptr, context));
ANGLE_TRY(
makeCurrent(thread, context, currentDrawSurface, currentReadSurface, currentContext));
}
// If eglTerminate() has previously been called and this is the last Context the Display owns,
// we can now fully terminate the display and release all of its resources.
if (mTerminatedByApi)
{
for (const gl::Context *ctx : mState.contextSet)
{
if (ctx->getRefCount() > 0)
{
return NoError();
}
}
return terminate(thread, TerminateReason::InternalCleanup);
}
return NoError();
}
void Display::destroySyncImpl(Sync *sync, SyncSet *syncs)
{
auto iter = syncs->find(sync);
ASSERT(iter != syncs->end());
(*iter)->release(this);
syncs->erase(iter);
}
void Display::destroyImage(Image *image)
{
return destroyImageImpl(image, &mImageSet);
}
void Display::destroyStream(Stream *stream)
{
return destroyStreamImpl(stream, &mStreamSet);
}
Error Display::destroySurface(Surface *surface)
{
return destroySurfaceImpl(surface, &mState.surfaceSet);
}
void Display::destroySync(Sync *sync)
{
return destroySyncImpl(sync, &mSyncSet);
}
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 = mState.contextSet.begin();
context != mState.contextSet.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);
}
// static
Error Display::CreateNativeClientBuffer(const egl::AttributeMap &attribMap,
EGLClientBuffer *eglClientBuffer)
{
int androidHardwareBufferFormat = gl::GetAndroidHardwareBufferFormatFromChannelSizes(attribMap);
int width = attribMap.getAsInt(EGL_WIDTH, 0);
int height = attribMap.getAsInt(EGL_HEIGHT, 0);
int usage = attribMap.getAsInt(EGL_NATIVE_BUFFER_USAGE_ANDROID, 0);
// for AHardwareBuffer_lock()
// The passed AHardwareBuffer must have one layer, otherwise the call will fail.
constexpr int kLayerCount = 1;
*eglClientBuffer = angle::android::CreateEGLClientBufferFromAHardwareBuffer(
width, height, kLayerCount, androidHardwareBufferFormat, usage);
return (*eglClientBuffer == nullptr)
? egl::EglBadParameter() << "native client buffer allocation failed."
: NoError();
}
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 mState.contextSet.find(const_cast<gl::Context *>(context)) != mState.contextSet.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_USE_GBM)
extensions.platformGbmKHR = true;
#endif
#if defined(ANGLE_USE_WAYLAND)
extensions.platformWaylandEXT = true;
#endif
#if defined(ANGLE_ENABLE_D3D11)
# if defined(ANGLE_ENABLE_WINDOWS_UWP)
extensions.platformANGLED3D11ON12 = true;
# else
extensions.platformANGLED3D11ON12 = IsWindows10OrGreater();
# endif
extensions.platformANGLEDeviceId = true;
#endif
#if defined(ANGLE_ENABLE_OPENGL)
extensions.platformANGLEOpenGL = 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;
extensions.platformANGLEDeviceId = true;
#endif
#if defined(ANGLE_ENABLE_SWIFTSHADER)
extensions.platformANGLEDeviceTypeSwiftShader = true;
#endif
#if defined(ANGLE_ENABLE_METAL)
extensions.platformANGLEMetal = true;
extensions.platformANGLEDeviceId = true;
#endif
#if defined(ANGLE_USE_X11)
extensions.x11Visual = true;
#endif
#if defined(ANGLE_PLATFORM_LINUX)
extensions.platformANGLEDeviceTypeEGLANGLE = true;
#endif
#if (defined(ANGLE_PLATFORM_IOS) && !defined(ANGLE_PLATFORM_MACCATALYST)) || \
(defined(ANGLE_PLATFORM_MACCATALYST) && defined(ANGLE_CPU_ARM64))
extensions.platformANGLEDeviceContextVolatileEagl = true;
#endif
#if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
extensions.platformANGLEDeviceContextVolatileCgl = true;
#endif
#if defined(ANGLE_ENABLE_METAL)
extensions.displayPowerPreferenceANGLE = true;
#endif
extensions.clientGetAllProcAddresses = true;
extensions.debug = true;
extensions.featureControlANGLE = true;
extensions.deviceQueryEXT = 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 angle::base::NoDestructor<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 = !mFrontendFeatures.forceGlErrorChecking.enabled;
mDisplayExtensions.createContextWebGLCompatibility = true;
mDisplayExtensions.createContextBindGeneratesResource = true;
mDisplayExtensions.createContextClientArrays = true;
mDisplayExtensions.pixelFormatFloat = true;
mDisplayExtensions.reusableSyncKHR = true;
// Force EGL_KHR_get_all_proc_addresses on.
mDisplayExtensions.getAllProcAddresses = true;
// Enable program cache control since it is not back-end dependent.
mDisplayExtensions.programCacheControlANGLE = 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);
}
Error Display::valdiatePixmap(const Config *config,
EGLNativePixmapType pixmap,
const AttributeMap &attributes) const
{
return mImplementation->validatePixmap(config, pixmap, attributes);
}
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_UWP)
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 = "Google Inc.";
std::string vendorStringImpl = mImplementation->getVendorString();
if (!vendorStringImpl.empty())
{
mVendorString += " (" + vendorStringImpl + ")";
}
}
void Display::initVersionString()
{
mVersionString = mImplementation->getVersionString(true);
}
void Display::initClientAPIString()
{
// If the max supported desktop version is not None, we support a desktop GL frontend.
if (mImplementation->getMaxSupportedDesktopVersion().valid())
{
mClientAPIString = "OpenGL_ES OpenGL";
}
else
{
mClientAPIString = "OpenGL_ES";
}
}
void Display::initializeFrontendFeatures()
{
// Enable on all Impls
ANGLE_FEATURE_CONDITION((&mFrontendFeatures), loseContextOnOutOfMemory, true);
ANGLE_FEATURE_CONDITION((&mFrontendFeatures), allowCompressedFormats, true);
// No longer enable this on any Impl - crbug.com/1165751
ANGLE_FEATURE_CONDITION((&mFrontendFeatures), scalarizeVecAndMatConstructorArgs, false);
// Disabled by default. To reduce the risk, create a feature to enable
// compressing pipeline cache in multi-thread pool.
ANGLE_FEATURE_CONDITION(&mFrontendFeatures, enableCompressingPipelineCacheInThreadPool, false);
// Disabled by default until work on the extension is complete - anglebug.com/7279.
ANGLE_FEATURE_CONDITION(&mFrontendFeatures, emulatePixelLocalStorage, false);
mImplementation->initializeFrontendFeatures(&mFrontendFeatures);
rx::ApplyFeatureOverrides(&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;
}
const std::string &Display::getVersionString() const
{
return mVersionString;
}
const std::string &Display::getClientAPIString() const
{
return mClientAPIString;
}
std::string Display::getBackendRendererDescription() const
{
return mImplementation->getRendererDescription();
}
std::string Display::getBackendVendorString() const
{
return mImplementation->getVendorString();
}
std::string Display::getBackendVersionString(bool includeFullVersion) const
{
return mImplementation->getVersionString(includeFullVersion);
}
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);
if (!mMemoryProgramCache.putBinary(programHash, reinterpret_cast<const uint8_t *>(binary),
static_cast<size_t>(binarysize)))
{
return EglBadAccess() << "Failed to copy program binary into the cache.";
}
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;
}
}
void Display::overrideFrontendFeatures(const std::vector<std::string> &featureNames, bool enabled)
{
mFrontendFeatures.overrideFeatures(featureNames, enabled);
}
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;
case EGL_FEATURE_CONDITION_ANGLE:
result = mFeatures[index]->condition;
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;
}
angle::ScratchBuffer Display::requestScratchBuffer()
{
return requestScratchBufferImpl(&mScratchBuffers);
}
void Display::returnScratchBuffer(angle::ScratchBuffer scratchBuffer)
{
returnScratchBufferImpl(std::move(scratchBuffer), &mScratchBuffers);
}
angle::ScratchBuffer Display::requestZeroFilledBuffer()
{
return requestScratchBufferImpl(&mZeroFilledBuffers);
}
void Display::returnZeroFilledBuffer(angle::ScratchBuffer zeroFilledBuffer)
{
returnScratchBufferImpl(std::move(zeroFilledBuffer), &mZeroFilledBuffers);
}
angle::ScratchBuffer Display::requestScratchBufferImpl(
std::vector<angle::ScratchBuffer> *bufferVector)
{
std::lock_guard<std::mutex> lock(mScratchBufferMutex);
if (!bufferVector->empty())
{
angle::ScratchBuffer buffer = std::move(bufferVector->back());
bufferVector->pop_back();
return buffer;
}
return angle::ScratchBuffer(kScratchBufferLifetime);
}
void Display::returnScratchBufferImpl(angle::ScratchBuffer scratchBuffer,
std::vector<angle::ScratchBuffer> *bufferVector)
{
std::lock_guard<std::mutex> lock(mScratchBufferMutex);
bufferVector->push_back(std::move(scratchBuffer));
}
Error Display::handleGPUSwitch()
{
ANGLE_TRY(mImplementation->handleGPUSwitch());
initVendorString();
return NoError();
}
Error Display::forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow)
{
ANGLE_TRY(mImplementation->forceGPUSwitch(gpuIDHigh, gpuIDLow));
initVendorString();
return NoError();
}
bool Display::supportsDmaBufFormat(EGLint format) const
{
return mImplementation->supportsDmaBufFormat(format);
}
Error Display::queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats)
{
ANGLE_TRY(mImplementation->queryDmaBufFormats(max_formats, formats, num_formats));
return NoError();
}
Error Display::queryDmaBufModifiers(EGLint format,
EGLint max_modifiers,
EGLuint64KHR *modifiers,
EGLBoolean *external_only,
EGLint *num_modifiers)
{
ANGLE_TRY(mImplementation->queryDmaBufModifiers(format, max_modifiers, modifiers, external_only,
num_modifiers));
return NoError();
}
} // namespace egl