| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gl/gl_surface_egl.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include "base/command_line.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/stl_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/system/sys_info.h" |
| #include "base/trace_event/trace_event.h" |
| #include "build/build_config.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/gpu_fence.h" |
| #include "ui/gl/angle_platform_impl.h" |
| #include "ui/gl/egl_util.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_context_egl.h" |
| #include "ui/gl/gl_image.h" |
| #include "ui/gl/gl_implementation.h" |
| #include "ui/gl/gl_surface_presentation_helper.h" |
| #include "ui/gl/gl_surface_stub.h" |
| #include "ui/gl/gl_utils.h" |
| #include "ui/gl/scoped_make_current.h" |
| #include "ui/gl/sync_control_vsync_provider.h" |
| |
| #if defined(USE_X11) |
| #include "ui/gfx/x/x11.h" |
| |
| #include "ui/base/x/x11_util_internal.h" // nogncheck |
| #endif |
| |
| #if defined(OS_ANDROID) |
| #include <android/native_window_jni.h> |
| #include "base/android/build_info.h" |
| #endif |
| |
| #if !defined(EGL_FIXED_SIZE_ANGLE) |
| #define EGL_FIXED_SIZE_ANGLE 0x3201 |
| #endif |
| |
| #if !defined(EGL_OPENGL_ES3_BIT) |
| #define EGL_OPENGL_ES3_BIT 0x00000040 |
| #endif |
| |
| // Not present egl/eglext.h yet. |
| |
| #ifndef EGL_EXT_gl_colorspace_display_p3 |
| #define EGL_EXT_gl_colorspace_display_p3 1 |
| #define EGL_GL_COLORSPACE_DISPLAY_P3_EXT 0x3363 |
| #endif /* EGL_EXT_gl_colorspace_display_p3 */ |
| |
| #ifndef EGL_EXT_gl_colorspace_display_p3_passthrough |
| #define EGL_EXT_gl_colorspace_display_p3_passthrough 1 |
| #define EGL_GL_COLORSPACE_DISPLAY_P3_PASSTHROUGH_EXT 0x3490 |
| #endif /* EGL_EXT_gl_colorspace_display_p3_passthrough */ |
| |
| // From ANGLE's egl/eglext.h. |
| |
| #ifndef EGL_ANGLE_platform_angle |
| #define EGL_ANGLE_platform_angle 1 |
| #define EGL_PLATFORM_ANGLE_ANGLE 0x3202 |
| #define EGL_PLATFORM_ANGLE_TYPE_ANGLE 0x3203 |
| #define EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE 0x3204 |
| #define EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE 0x3205 |
| #define EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE 0x3206 |
| #define EGL_PLATFORM_ANGLE_DEBUG_LAYERS_ENABLED_ANGLE 0x3451 |
| #define EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE 0x3209 |
| #define EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE 0x320A |
| #define EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE 0x345E |
| #endif /* EGL_ANGLE_platform_angle */ |
| |
| #ifndef EGL_ANGLE_platform_angle_d3d |
| #define EGL_ANGLE_platform_angle_d3d 1 |
| #define EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE 0x3207 |
| #define EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE 0x3208 |
| #define EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE 0x320B |
| #define EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE 0x320C |
| #endif /* EGL_ANGLE_platform_angle_d3d */ |
| |
| #ifndef EGL_ANGLE_platform_angle_opengl |
| #define EGL_ANGLE_platform_angle_opengl 1 |
| #define EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE 0x320D |
| #define EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE 0x320E |
| #endif /* EGL_ANGLE_platform_angle_opengl */ |
| |
| #ifndef EGL_ANGLE_platform_angle_null |
| #define EGL_ANGLE_platform_angle_null 1 |
| #define EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE 0x33AE |
| #endif /* EGL_ANGLE_platform_angle_null */ |
| |
| #ifndef EGL_ANGLE_platform_angle_vulkan |
| #define EGL_ANGLE_platform_angle_vulkan 1 |
| #define EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE 0x3450 |
| #endif /* EGL_ANGLE_platform_angle_vulkan */ |
| |
| #ifndef EGL_ANGLE_x11_visual |
| #define EGL_ANGLE_x11_visual 1 |
| #define EGL_X11_VISUAL_ID_ANGLE 0x33A3 |
| #endif /* EGL_ANGLE_x11_visual */ |
| |
| #ifndef EGL_ANGLE_surface_orientation |
| #define EGL_ANGLE_surface_orientation |
| #define EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE 0x33A7 |
| #define EGL_SURFACE_ORIENTATION_ANGLE 0x33A8 |
| #define EGL_SURFACE_ORIENTATION_INVERT_X_ANGLE 0x0001 |
| #define EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE 0x0002 |
| #endif /* EGL_ANGLE_surface_orientation */ |
| |
| #ifndef EGL_ANGLE_direct_composition |
| #define EGL_ANGLE_direct_composition 1 |
| #define EGL_DIRECT_COMPOSITION_ANGLE 0x33A5 |
| #endif /* EGL_ANGLE_direct_composition */ |
| |
| #ifndef EGL_ANGLE_flexible_surface_compatibility |
| #define EGL_ANGLE_flexible_surface_compatibility 1 |
| #define EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE 0x33A6 |
| #endif /* EGL_ANGLE_flexible_surface_compatibility */ |
| |
| #ifndef EGL_ANGLE_display_robust_resource_initialization |
| #define EGL_ANGLE_display_robust_resource_initialization 1 |
| #define EGL_DISPLAY_ROBUST_RESOURCE_INITIALIZATION_ANGLE 0x3453 |
| #endif /* EGL_ANGLE_display_robust_resource_initialization */ |
| |
| using ui::GetLastEGLErrorString; |
| |
| namespace gl { |
| |
| bool GLSurfaceEGL::initialized_ = false; |
| |
| namespace { |
| |
| EGLDisplay g_egl_display = EGL_NO_DISPLAY; |
| EGLNativeDisplayType g_native_display = EGL_DEFAULT_DISPLAY; |
| |
| const char* g_egl_extensions = nullptr; |
| bool g_egl_create_context_robustness_supported = false; |
| bool g_egl_create_context_bind_generates_resource_supported = false; |
| bool g_egl_create_context_webgl_compatability_supported = false; |
| bool g_egl_sync_control_supported = false; |
| bool g_egl_window_fixed_size_supported = false; |
| bool g_egl_surfaceless_context_supported = false; |
| bool g_egl_surface_orientation_supported = false; |
| bool g_egl_context_priority_supported = false; |
| bool g_egl_khr_colorspace = false; |
| bool g_egl_ext_colorspace_display_p3 = false; |
| bool g_egl_ext_colorspace_display_p3_passthrough = false; |
| bool g_egl_flexible_surface_compatibility_supported = false; |
| bool g_egl_robust_resource_init_supported = false; |
| bool g_egl_display_texture_share_group_supported = false; |
| bool g_egl_create_context_client_arrays_supported = false; |
| bool g_egl_android_native_fence_sync_supported = false; |
| |
| constexpr const char kSwapEventTraceCategories[] = "gpu"; |
| |
| constexpr size_t kMaxTimestampsSupportable = 9; |
| |
| struct TraceSwapEventsInitializer { |
| TraceSwapEventsInitializer() |
| : value(*TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED( |
| kSwapEventTraceCategories)) {} |
| const unsigned char& value; |
| }; |
| |
| static base::LazyInstance<TraceSwapEventsInitializer>::Leaky |
| g_trace_swap_enabled = LAZY_INSTANCE_INITIALIZER; |
| |
| class EGLSyncControlVSyncProvider : public SyncControlVSyncProvider { |
| public: |
| explicit EGLSyncControlVSyncProvider(EGLSurface surface) |
| : SyncControlVSyncProvider(), |
| surface_(surface) { |
| } |
| |
| ~EGLSyncControlVSyncProvider() override {} |
| |
| static bool IsSupported() { |
| return SyncControlVSyncProvider::IsSupported() && |
| g_egl_sync_control_supported; |
| } |
| |
| protected: |
| bool GetSyncValues(int64_t* system_time, |
| int64_t* media_stream_counter, |
| int64_t* swap_buffer_counter) override { |
| uint64_t u_system_time, u_media_stream_counter, u_swap_buffer_counter; |
| bool result = |
| eglGetSyncValuesCHROMIUM(g_egl_display, surface_, &u_system_time, |
| &u_media_stream_counter, |
| &u_swap_buffer_counter) == EGL_TRUE; |
| if (result) { |
| *system_time = static_cast<int64_t>(u_system_time); |
| *media_stream_counter = static_cast<int64_t>(u_media_stream_counter); |
| *swap_buffer_counter = static_cast<int64_t>(u_swap_buffer_counter); |
| } |
| return result; |
| } |
| |
| bool GetMscRate(int32_t* numerator, int32_t* denominator) override { |
| return false; |
| } |
| |
| bool IsHWClock() const override { return true; } |
| |
| private: |
| EGLSurface surface_; |
| |
| DISALLOW_COPY_AND_ASSIGN(EGLSyncControlVSyncProvider); |
| }; |
| |
| EGLDisplay GetPlatformANGLEDisplay(EGLNativeDisplayType native_display, |
| EGLenum platform_type, |
| bool warpDevice, |
| bool nullDevice) { |
| std::vector<EGLint> display_attribs; |
| |
| display_attribs.push_back(EGL_PLATFORM_ANGLE_TYPE_ANGLE); |
| display_attribs.push_back(platform_type); |
| |
| if (warpDevice) { |
| DCHECK(!nullDevice); |
| display_attribs.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE); |
| display_attribs.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE); |
| } else if (nullDevice) { |
| DCHECK(!warpDevice); |
| display_attribs.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE); |
| display_attribs.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE); |
| } |
| |
| #if defined(USE_X11) |
| // ANGLE_NULL doesn't use the visual, and may run without X11 where we can't |
| // get it anyway. |
| if (platform_type != EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE) { |
| Visual* visual; |
| ui::XVisualManager::GetInstance()->ChooseVisualForWindow( |
| true, &visual, nullptr, nullptr, nullptr); |
| display_attribs.push_back(EGL_X11_VISUAL_ID_ANGLE); |
| display_attribs.push_back(static_cast<EGLint>(XVisualIDFromVisual(visual))); |
| } |
| #endif |
| |
| display_attribs.push_back(EGL_NONE); |
| |
| return eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, |
| reinterpret_cast<void*>(native_display), |
| &display_attribs[0]); |
| } |
| |
| EGLDisplay GetDisplayFromType(DisplayType display_type, |
| EGLNativeDisplayType native_display) { |
| switch (display_type) { |
| case DEFAULT: |
| case SWIFT_SHADER: |
| return eglGetDisplay(native_display); |
| case ANGLE_D3D9: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE, false, false); |
| case ANGLE_D3D11: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, false, false); |
| case ANGLE_D3D11_NULL: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, false, true); |
| case ANGLE_OPENGL: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE, false, false); |
| case ANGLE_OPENGL_NULL: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE, false, true); |
| case ANGLE_OPENGLES: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE, false, false); |
| case ANGLE_OPENGLES_NULL: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE, false, true); |
| case ANGLE_NULL: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE, false, false); |
| case ANGLE_VULKAN: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE, false, false); |
| case ANGLE_VULKAN_NULL: |
| return GetPlatformANGLEDisplay( |
| native_display, EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE, false, true); |
| default: |
| NOTREACHED(); |
| return EGL_NO_DISPLAY; |
| } |
| } |
| |
| const char* DisplayTypeString(DisplayType display_type) { |
| switch (display_type) { |
| case DEFAULT: |
| return "Default"; |
| case SWIFT_SHADER: |
| return "SwiftShader"; |
| case ANGLE_D3D9: |
| return "D3D9"; |
| case ANGLE_D3D11: |
| return "D3D11"; |
| case ANGLE_D3D11_NULL: |
| return "D3D11Null"; |
| case ANGLE_OPENGL: |
| return "OpenGL"; |
| case ANGLE_OPENGL_NULL: |
| return "OpenGLNull"; |
| case ANGLE_OPENGLES: |
| return "OpenGLES"; |
| case ANGLE_OPENGLES_NULL: |
| return "OpenGLESNull"; |
| case ANGLE_NULL: |
| return "Null"; |
| case ANGLE_VULKAN: |
| return "Vulkan"; |
| case ANGLE_VULKAN_NULL: |
| return "VulkanNull"; |
| default: |
| NOTREACHED(); |
| return "Err"; |
| } |
| } |
| |
| bool ValidateEglConfig(EGLDisplay display, |
| const EGLint* config_attribs, |
| EGLint* num_configs) { |
| if (!eglChooseConfig(display, |
| config_attribs, |
| NULL, |
| 0, |
| num_configs)) { |
| LOG(ERROR) << "eglChooseConfig failed with error " |
| << GetLastEGLErrorString(); |
| return false; |
| } |
| if (*num_configs == 0) { |
| return false; |
| } |
| return true; |
| } |
| |
| EGLConfig ChooseConfig(GLSurfaceFormat format, bool surfaceless) { |
| // Choose an EGL configuration. |
| // On X this is only used for PBuffer surfaces. |
| |
| std::vector<EGLint> renderable_types; |
| if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kDisableES3GLContext)) { |
| renderable_types.push_back(EGL_OPENGL_ES3_BIT); |
| } |
| renderable_types.push_back(EGL_OPENGL_ES2_BIT); |
| |
| EGLint buffer_size = format.GetBufferSize(); |
| EGLint alpha_size = 8; |
| bool want_rgb565 = buffer_size == 16; |
| EGLint depth_size = format.GetDepthBits(); |
| EGLint stencil_size = format.GetStencilBits(); |
| EGLint samples = format.GetSamples(); |
| |
| #if defined(USE_X11) |
| // If we're using ANGLE_NULL, we may not have a display, in which case we |
| // can't use XVisualManager. |
| if (g_native_display) { |
| ui::XVisualManager::GetInstance()->ChooseVisualForWindow( |
| true, nullptr, &buffer_size, nullptr, nullptr); |
| alpha_size = buffer_size == 32 ? 8 : 0; |
| } |
| #endif |
| |
| EGLint surface_type = |
| (surfaceless ? EGL_DONT_CARE : EGL_WINDOW_BIT | EGL_PBUFFER_BIT); |
| |
| for (auto renderable_type : renderable_types) { |
| EGLint config_attribs_8888[] = {EGL_BUFFER_SIZE, |
| buffer_size, |
| EGL_ALPHA_SIZE, |
| alpha_size, |
| EGL_BLUE_SIZE, |
| 8, |
| EGL_GREEN_SIZE, |
| 8, |
| EGL_RED_SIZE, |
| 8, |
| EGL_SAMPLES, |
| samples, |
| EGL_DEPTH_SIZE, |
| depth_size, |
| EGL_STENCIL_SIZE, |
| stencil_size, |
| EGL_RENDERABLE_TYPE, |
| renderable_type, |
| EGL_SURFACE_TYPE, |
| surface_type, |
| EGL_NONE}; |
| |
| EGLint config_attribs_565[] = {EGL_BUFFER_SIZE, |
| 16, |
| EGL_BLUE_SIZE, |
| 5, |
| EGL_GREEN_SIZE, |
| 6, |
| EGL_RED_SIZE, |
| 5, |
| EGL_SAMPLES, |
| samples, |
| EGL_DEPTH_SIZE, |
| depth_size, |
| EGL_STENCIL_SIZE, |
| stencil_size, |
| EGL_RENDERABLE_TYPE, |
| renderable_type, |
| EGL_SURFACE_TYPE, |
| surface_type, |
| EGL_NONE}; |
| |
| EGLint* choose_attributes = config_attribs_8888; |
| if (want_rgb565) { |
| choose_attributes = config_attribs_565; |
| } |
| |
| EGLint num_configs; |
| EGLint config_size = 1; |
| EGLConfig config = nullptr; |
| EGLConfig* config_data = &config; |
| // Validate if there are any configs for given attribs. |
| if (!ValidateEglConfig(g_egl_display, choose_attributes, &num_configs)) { |
| // Try the next renderable_type |
| continue; |
| } |
| |
| std::unique_ptr<EGLConfig[]> matching_configs(new EGLConfig[num_configs]); |
| if (want_rgb565) { |
| config_size = num_configs; |
| config_data = matching_configs.get(); |
| } |
| |
| if (!eglChooseConfig(g_egl_display, choose_attributes, config_data, |
| config_size, &num_configs)) { |
| LOG(ERROR) << "eglChooseConfig failed with error " |
| << GetLastEGLErrorString(); |
| return config; |
| } |
| |
| if (want_rgb565) { |
| // Because of the EGL config sort order, we have to iterate |
| // through all of them (it'll put higher sum(R,G,B) bits |
| // first with the above attribs). |
| bool match_found = false; |
| for (int i = 0; i < num_configs; i++) { |
| EGLint red, green, blue, alpha; |
| // Read the relevant attributes of the EGLConfig. |
| if (eglGetConfigAttrib(g_egl_display, matching_configs[i], EGL_RED_SIZE, |
| &red) && |
| eglGetConfigAttrib(g_egl_display, matching_configs[i], |
| EGL_BLUE_SIZE, &blue) && |
| eglGetConfigAttrib(g_egl_display, matching_configs[i], |
| EGL_GREEN_SIZE, &green) && |
| eglGetConfigAttrib(g_egl_display, matching_configs[i], |
| EGL_ALPHA_SIZE, &alpha) && |
| alpha == 0 && red == 5 && green == 6 && blue == 5) { |
| config = matching_configs[i]; |
| match_found = true; |
| break; |
| } |
| } |
| if (!match_found) { |
| // To fall back to default 32 bit format, choose with |
| // the right attributes again. |
| if (!ValidateEglConfig(g_egl_display, config_attribs_8888, |
| &num_configs)) { |
| // Try the next renderable_type |
| continue; |
| } |
| if (!eglChooseConfig(g_egl_display, config_attribs_8888, &config, 1, |
| &num_configs)) { |
| LOG(ERROR) << "eglChooseConfig failed with error " |
| << GetLastEGLErrorString(); |
| return config; |
| } |
| } |
| } |
| return config; |
| } |
| |
| LOG(ERROR) << "No suitable EGL configs found."; |
| return nullptr; |
| } |
| |
| void AddInitDisplay(std::vector<DisplayType>* init_displays, |
| DisplayType display_type) { |
| // Make sure to not add the same display type twice. |
| if (!base::ContainsValue(*init_displays, display_type)) |
| init_displays->push_back(display_type); |
| } |
| |
| const char* GetDebugMessageTypeString(EGLint source) { |
| switch (source) { |
| case EGL_DEBUG_MSG_CRITICAL_KHR: |
| return "Critical"; |
| case EGL_DEBUG_MSG_ERROR_KHR: |
| return "Error"; |
| case EGL_DEBUG_MSG_WARN_KHR: |
| return "Warning"; |
| case EGL_DEBUG_MSG_INFO_KHR: |
| return "Info"; |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| static void EGLAPIENTRY LogEGLDebugMessage(EGLenum error, |
| const char* command, |
| EGLint message_type, |
| EGLLabelKHR thread_label, |
| EGLLabelKHR object_label, |
| const char* message) { |
| std::string formatted_message = std::string("EGL Driver message (") + |
| GetDebugMessageTypeString(message_type) + |
| ") " + command + ": " + message; |
| |
| // Assume that all labels that have been set are strings |
| if (thread_label) { |
| formatted_message += " thread: "; |
| formatted_message += static_cast<const char*>(thread_label); |
| } |
| if (object_label) { |
| formatted_message += " object: "; |
| formatted_message += static_cast<const char*>(object_label); |
| } |
| |
| if (message_type == EGL_DEBUG_MSG_CRITICAL_KHR || |
| message_type == EGL_DEBUG_MSG_ERROR_KHR) { |
| LOG(ERROR) << formatted_message; |
| } else { |
| DVLOG(1) << formatted_message; |
| } |
| } |
| |
| } // namespace |
| |
| void GetEGLInitDisplays(bool supports_angle_d3d, |
| bool supports_angle_opengl, |
| bool supports_angle_null, |
| bool supports_angle_vulkan, |
| const base::CommandLine* command_line, |
| std::vector<DisplayType>* init_displays) { |
| // SwiftShader does not use the platform extensions |
| if (command_line->GetSwitchValueASCII(switches::kUseGL) == |
| kGLImplementationSwiftShaderForWebGLName) { |
| AddInitDisplay(init_displays, SWIFT_SHADER); |
| return; |
| } |
| |
| std::string requested_renderer = |
| command_line->GetSwitchValueASCII(switches::kUseANGLE); |
| |
| bool use_angle_default = |
| !command_line->HasSwitch(switches::kUseANGLE) || |
| requested_renderer == kANGLEImplementationDefaultName; |
| |
| if (supports_angle_null && |
| requested_renderer == kANGLEImplementationNullName) { |
| AddInitDisplay(init_displays, ANGLE_NULL); |
| return; |
| } |
| |
| // If no display has been explicitly requested and the DefaultANGLEOpenGL |
| // experiment is enabled, try creating OpenGL displays first. |
| // TODO(oetuaho@nvidia.com): Only enable this path on specific GPUs with a |
| // blacklist entry. http://crbug.com/693090 |
| if (supports_angle_opengl && use_angle_default && |
| base::FeatureList::IsEnabled(features::kDefaultANGLEOpenGL)) { |
| AddInitDisplay(init_displays, ANGLE_OPENGL); |
| AddInitDisplay(init_displays, ANGLE_OPENGLES); |
| } |
| |
| if (supports_angle_d3d) { |
| if (use_angle_default) { |
| // Default mode for ANGLE - try D3D11, else try D3D9 |
| if (!command_line->HasSwitch(switches::kDisableD3D11)) { |
| AddInitDisplay(init_displays, ANGLE_D3D11); |
| } |
| AddInitDisplay(init_displays, ANGLE_D3D9); |
| } else { |
| if (requested_renderer == kANGLEImplementationD3D11Name) { |
| AddInitDisplay(init_displays, ANGLE_D3D11); |
| } else if (requested_renderer == kANGLEImplementationD3D9Name) { |
| AddInitDisplay(init_displays, ANGLE_D3D9); |
| } else if (requested_renderer == kANGLEImplementationD3D11NULLName) { |
| AddInitDisplay(init_displays, ANGLE_D3D11_NULL); |
| } |
| } |
| } |
| |
| if (supports_angle_opengl) { |
| if (use_angle_default && !supports_angle_d3d) { |
| #if defined(OS_ANDROID) |
| // Don't request desktopGL on android |
| AddInitDisplay(init_displays, ANGLE_OPENGLES); |
| #else |
| AddInitDisplay(init_displays, ANGLE_OPENGL); |
| AddInitDisplay(init_displays, ANGLE_OPENGLES); |
| #endif |
| } else { |
| if (requested_renderer == kANGLEImplementationOpenGLName) { |
| AddInitDisplay(init_displays, ANGLE_OPENGL); |
| } else if (requested_renderer == kANGLEImplementationOpenGLESName) { |
| AddInitDisplay(init_displays, ANGLE_OPENGLES); |
| } else if (requested_renderer == kANGLEImplementationOpenGLNULLName) { |
| AddInitDisplay(init_displays, ANGLE_OPENGL_NULL); |
| } else if (requested_renderer == kANGLEImplementationOpenGLESNULLName) { |
| AddInitDisplay(init_displays, ANGLE_OPENGLES_NULL); |
| } |
| } |
| } |
| |
| if (supports_angle_vulkan) { |
| if (requested_renderer == kANGLEImplementationVulkanName) { |
| AddInitDisplay(init_displays, ANGLE_VULKAN); |
| } else if (requested_renderer == kANGLEImplementationVulkanNULLName) { |
| AddInitDisplay(init_displays, ANGLE_VULKAN_NULL); |
| } |
| } |
| |
| // If no displays are available due to missing angle extensions or invalid |
| // flags, request the default display. |
| if (init_displays->empty()) { |
| init_displays->push_back(DEFAULT); |
| } |
| } |
| |
| GLSurfaceEGL::GLSurfaceEGL() {} |
| |
| GLSurfaceFormat GLSurfaceEGL::GetFormat() { |
| return format_; |
| } |
| |
| EGLDisplay GLSurfaceEGL::GetDisplay() { |
| return g_egl_display; |
| } |
| |
| EGLConfig GLSurfaceEGL::GetConfig() { |
| if (!config_) { |
| config_ = ChooseConfig(format_, IsSurfaceless()); |
| } |
| return config_; |
| } |
| |
| // static |
| bool GLSurfaceEGL::InitializeOneOff(EGLNativeDisplayType native_display) { |
| if (initialized_) |
| return true; |
| |
| // Must be called before InitializeDisplay(). |
| g_driver_egl.InitializeClientExtensionBindings(); |
| |
| InitializeDisplay(native_display); |
| if (g_egl_display == EGL_NO_DISPLAY) |
| return false; |
| |
| // Must be called after InitializeDisplay(). |
| g_driver_egl.InitializeExtensionBindings(); |
| |
| return InitializeOneOffCommon(); |
| } |
| |
| // static |
| bool GLSurfaceEGL::InitializeOneOffForTesting() { |
| g_driver_egl.InitializeClientExtensionBindings(); |
| g_egl_display = eglGetCurrentDisplay(); |
| g_driver_egl.InitializeExtensionBindings(); |
| return InitializeOneOffCommon(); |
| } |
| |
| // static |
| bool GLSurfaceEGL::InitializeOneOffCommon() { |
| g_egl_extensions = eglQueryString(g_egl_display, EGL_EXTENSIONS); |
| |
| g_egl_create_context_robustness_supported = |
| HasEGLExtension("EGL_EXT_create_context_robustness"); |
| g_egl_create_context_bind_generates_resource_supported = |
| HasEGLExtension("EGL_CHROMIUM_create_context_bind_generates_resource"); |
| g_egl_create_context_webgl_compatability_supported = |
| HasEGLExtension("EGL_ANGLE_create_context_webgl_compatibility"); |
| g_egl_sync_control_supported = HasEGLExtension("EGL_CHROMIUM_sync_control"); |
| g_egl_window_fixed_size_supported = |
| HasEGLExtension("EGL_ANGLE_window_fixed_size"); |
| g_egl_surface_orientation_supported = |
| HasEGLExtension("EGL_ANGLE_surface_orientation"); |
| g_egl_khr_colorspace = HasEGLExtension("EGL_KHR_gl_colorspace"); |
| g_egl_ext_colorspace_display_p3 = |
| HasEGLExtension("EGL_EXT_gl_colorspace_display_p3"); |
| g_egl_ext_colorspace_display_p3_passthrough = |
| HasEGLExtension("EGL_EXT_gl_colorspace_display_p3_passthrough"); |
| // According to https://source.android.com/compatibility/android-cdd.html the |
| // EGL_IMG_context_priority extension is mandatory for Virtual Reality High |
| // Performance support, but due to a bug in Android Nougat the extension |
| // isn't being reported even when it's present. As a fallback, check if other |
| // related extensions that were added for VR support are present, and assume |
| // that this implies context priority is also supported. See also: |
| // https://github.com/googlevr/gvr-android-sdk/issues/330 |
| g_egl_context_priority_supported = |
| HasEGLExtension("EGL_IMG_context_priority") || |
| (HasEGLExtension("EGL_ANDROID_front_buffer_auto_refresh") && |
| HasEGLExtension("EGL_ANDROID_create_native_client_buffer")); |
| |
| #if defined(OS_WIN) |
| // Need EGL_ANGLE_flexible_surface_compatibility to allow surfaces with and |
| // without alpha to be bound to the same context. |
| g_egl_flexible_surface_compatibility_supported = |
| HasEGLExtension("EGL_ANGLE_flexible_surface_compatibility"); |
| #endif |
| |
| g_egl_display_texture_share_group_supported = |
| HasEGLExtension("EGL_ANGLE_display_texture_share_group"); |
| g_egl_create_context_client_arrays_supported = |
| HasEGLExtension("EGL_ANGLE_create_context_client_arrays"); |
| g_egl_robust_resource_init_supported = |
| HasEGLExtension("EGL_ANGLE_robust_resource_initialization"); |
| |
| // TODO(oetuaho@nvidia.com): Surfaceless is disabled on Android as a temporary |
| // workaround, since code written for Android WebView takes different paths |
| // based on whether GL surface objects have underlying EGL surface handles, |
| // conflicting with the use of surfaceless. See https://crbug.com/382349 |
| #if defined(OS_ANDROID) |
| DCHECK(!g_egl_surfaceless_context_supported); |
| #else |
| // Check if SurfacelessEGL is supported. |
| g_egl_surfaceless_context_supported = |
| HasEGLExtension("EGL_KHR_surfaceless_context"); |
| if (g_egl_surfaceless_context_supported) { |
| // EGL_KHR_surfaceless_context is supported but ensure |
| // GL_OES_surfaceless_context is also supported. We need a current context |
| // to query for supported GL extensions. |
| scoped_refptr<GLSurface> surface = new SurfacelessEGL(gfx::Size(1, 1)); |
| scoped_refptr<GLContext> context = InitializeGLContext( |
| new GLContextEGL(nullptr), surface.get(), GLContextAttribs()); |
| if (!context || !context->MakeCurrent(surface.get())) |
| g_egl_surfaceless_context_supported = false; |
| |
| // Ensure context supports GL_OES_surfaceless_context. |
| if (g_egl_surfaceless_context_supported) { |
| g_egl_surfaceless_context_supported = context->HasExtension( |
| "GL_OES_surfaceless_context"); |
| context->ReleaseCurrent(surface.get()); |
| } |
| } |
| #endif |
| |
| // The native fence sync extension is a bit complicated. It's reported as |
| // present for ChromeOS, but Android currently doesn't report this extension |
| // even when it's present, and older devices may export a useless wrapper |
| // function. See crbug.com/775707 for details. In short, if the symbol is |
| // present and we're on Android N or newer, assume that it's usable even if |
| // the extension wasn't reported. |
| g_egl_android_native_fence_sync_supported = |
| HasEGLExtension("EGL_ANDROID_native_fence_sync"); |
| #if defined(OS_ANDROID) |
| if (base::android::BuildInfo::GetInstance()->sdk_int() >= |
| base::android::SDK_VERSION_NOUGAT && |
| g_driver_egl.fn.eglDupNativeFenceFDANDROIDFn) { |
| g_egl_android_native_fence_sync_supported = true; |
| } |
| #endif |
| |
| initialized_ = true; |
| return true; |
| } |
| |
| // static |
| bool GLSurfaceEGL::InitializeExtensionSettingsOneOff() { |
| if (!initialized_) |
| return false; |
| g_driver_egl.UpdateConditionalExtensionBindings(); |
| g_egl_extensions = eglQueryString(g_egl_display, EGL_EXTENSIONS); |
| |
| return true; |
| } |
| |
| // static |
| void GLSurfaceEGL::ShutdownOneOff() { |
| angle::ResetPlatform(g_egl_display); |
| |
| if (g_egl_display != EGL_NO_DISPLAY) { |
| DCHECK(g_driver_egl.fn.eglTerminateFn); |
| eglTerminate(g_egl_display); |
| } |
| g_egl_display = EGL_NO_DISPLAY; |
| |
| g_egl_extensions = nullptr; |
| g_egl_create_context_robustness_supported = false; |
| g_egl_create_context_bind_generates_resource_supported = false; |
| g_egl_create_context_webgl_compatability_supported = false; |
| g_egl_sync_control_supported = false; |
| g_egl_window_fixed_size_supported = false; |
| g_egl_surface_orientation_supported = false; |
| g_egl_surfaceless_context_supported = false; |
| g_egl_robust_resource_init_supported = false; |
| g_egl_display_texture_share_group_supported = false; |
| g_egl_create_context_client_arrays_supported = false; |
| |
| initialized_ = false; |
| } |
| |
| // static |
| EGLDisplay GLSurfaceEGL::GetHardwareDisplay() { |
| return g_egl_display; |
| } |
| |
| // static |
| EGLNativeDisplayType GLSurfaceEGL::GetNativeDisplay() { |
| return g_native_display; |
| } |
| |
| // static |
| const char* GLSurfaceEGL::GetEGLExtensions() { |
| return g_egl_extensions; |
| } |
| |
| // static |
| bool GLSurfaceEGL::HasEGLExtension(const char* name) { |
| return ExtensionsContain(GetEGLExtensions(), name); |
| } |
| |
| // static |
| bool GLSurfaceEGL::IsCreateContextRobustnessSupported() { |
| return g_egl_create_context_robustness_supported; |
| } |
| |
| bool GLSurfaceEGL::IsCreateContextBindGeneratesResourceSupported() { |
| return g_egl_create_context_bind_generates_resource_supported; |
| } |
| |
| bool GLSurfaceEGL::IsCreateContextWebGLCompatabilitySupported() { |
| return g_egl_create_context_webgl_compatability_supported; |
| } |
| |
| // static |
| bool GLSurfaceEGL::IsEGLSurfacelessContextSupported() { |
| return g_egl_surfaceless_context_supported; |
| } |
| |
| // static |
| bool GLSurfaceEGL::IsEGLContextPrioritySupported() { |
| return g_egl_context_priority_supported; |
| } |
| |
| // static |
| bool GLSurfaceEGL::IsEGLFlexibleSurfaceCompatibilitySupported() { |
| return g_egl_flexible_surface_compatibility_supported; |
| } |
| |
| bool GLSurfaceEGL::IsRobustResourceInitSupported() { |
| return g_egl_robust_resource_init_supported; |
| } |
| |
| bool GLSurfaceEGL::IsDisplayTextureShareGroupSupported() { |
| return g_egl_display_texture_share_group_supported; |
| } |
| |
| bool GLSurfaceEGL::IsCreateContextClientArraysSupported() { |
| return g_egl_create_context_client_arrays_supported; |
| } |
| |
| bool GLSurfaceEGL::IsAndroidNativeFenceSyncSupported() { |
| return g_egl_android_native_fence_sync_supported; |
| } |
| |
| GLSurfaceEGL::~GLSurfaceEGL() {} |
| |
| // InitializeDisplay is necessary because the static binding code |
| // needs a full Display init before it can query the Display extensions. |
| // static |
| EGLDisplay GLSurfaceEGL::InitializeDisplay( |
| EGLNativeDisplayType native_display) { |
| if (g_egl_display != EGL_NO_DISPLAY) { |
| return g_egl_display; |
| } |
| |
| g_native_display = native_display; |
| |
| // If EGL_EXT_client_extensions not supported this call to eglQueryString |
| // will return NULL. |
| const char* client_extensions = |
| eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); |
| |
| bool supports_egl_debug = |
| client_extensions && |
| ExtensionsContain(client_extensions, "EGL_KHR_debug"); |
| if (supports_egl_debug) { |
| EGLAttrib controls[] = { |
| EGL_DEBUG_MSG_CRITICAL_KHR, |
| EGL_TRUE, |
| EGL_DEBUG_MSG_ERROR_KHR, |
| EGL_TRUE, |
| EGL_DEBUG_MSG_WARN_KHR, |
| EGL_TRUE, |
| EGL_DEBUG_MSG_INFO_KHR, |
| EGL_TRUE, |
| EGL_NONE, |
| EGL_NONE, |
| }; |
| |
| eglDebugMessageControlKHR(&LogEGLDebugMessage, controls); |
| } |
| |
| bool supports_angle_d3d = false; |
| bool supports_angle_opengl = false; |
| bool supports_angle_null = false; |
| bool supports_angle_vulkan = false; |
| // Check for availability of ANGLE extensions. |
| if (client_extensions && |
| ExtensionsContain(client_extensions, "EGL_ANGLE_platform_angle")) { |
| supports_angle_d3d = |
| ExtensionsContain(client_extensions, "EGL_ANGLE_platform_angle_d3d"); |
| supports_angle_opengl = |
| ExtensionsContain(client_extensions, "EGL_ANGLE_platform_angle_opengl"); |
| supports_angle_null = |
| ExtensionsContain(client_extensions, "EGL_ANGLE_platform_angle_null"); |
| supports_angle_vulkan = |
| ExtensionsContain(client_extensions, "EGL_ANGLE_platform_angle_vulkan"); |
| } |
| |
| std::vector<DisplayType> init_displays; |
| GetEGLInitDisplays(supports_angle_d3d, supports_angle_opengl, |
| supports_angle_null, supports_angle_vulkan, |
| base::CommandLine::ForCurrentProcess(), &init_displays); |
| |
| for (size_t disp_index = 0; disp_index < init_displays.size(); ++disp_index) { |
| DisplayType display_type = init_displays[disp_index]; |
| EGLDisplay display = GetDisplayFromType(display_type, g_native_display); |
| if (display == EGL_NO_DISPLAY) { |
| LOG(ERROR) << "EGL display query failed with error " |
| << GetLastEGLErrorString(); |
| } |
| |
| // Init ANGLE platform now that we have the global display. |
| if (supports_angle_d3d || supports_angle_opengl || supports_angle_null) { |
| if (!angle::InitializePlatform(display)) { |
| LOG(ERROR) << "ANGLE Platform initialization failed."; |
| } |
| } |
| |
| if (!eglInitialize(display, nullptr, nullptr)) { |
| bool is_last = disp_index == init_displays.size() - 1; |
| |
| LOG(ERROR) << "eglInitialize " << DisplayTypeString(display_type) |
| << " failed with error " << GetLastEGLErrorString() |
| << (is_last ? "" : ", trying next display type"); |
| } else { |
| UMA_HISTOGRAM_ENUMERATION("GPU.EGLDisplayType", display_type, |
| DISPLAY_TYPE_MAX); |
| g_egl_display = display; |
| break; |
| } |
| } |
| |
| return g_egl_display; |
| } |
| |
| NativeViewGLSurfaceEGL::NativeViewGLSurfaceEGL( |
| EGLNativeWindowType window, |
| std::unique_ptr<gfx::VSyncProvider> vsync_provider) |
| : window_(window), vsync_provider_external_(std::move(vsync_provider)) { |
| #if defined(OS_ANDROID) |
| if (window) |
| ANativeWindow_acquire(window); |
| #endif |
| |
| #if defined(OS_WIN) |
| RECT windowRect; |
| if (GetClientRect(window_, &windowRect)) |
| size_ = gfx::Rect(windowRect).size(); |
| #endif |
| } |
| |
| bool NativeViewGLSurfaceEGL::Initialize(GLSurfaceFormat format) { |
| DCHECK(!surface_); |
| format_ = format; |
| |
| if (!GetDisplay()) { |
| LOG(ERROR) << "Trying to create surface with invalid display."; |
| return false; |
| } |
| |
| // We need to make sure that window_ is correctly initialized with all |
| // the platform-dependant quirks, if any, before creating the surface. |
| if (!InitializeNativeWindow()) { |
| LOG(ERROR) << "Error trying to initialize the native window."; |
| return false; |
| } |
| |
| std::vector<EGLint> egl_window_attributes; |
| |
| if (g_egl_window_fixed_size_supported && enable_fixed_size_angle_) { |
| egl_window_attributes.push_back(EGL_FIXED_SIZE_ANGLE); |
| egl_window_attributes.push_back(EGL_TRUE); |
| egl_window_attributes.push_back(EGL_WIDTH); |
| egl_window_attributes.push_back(size_.width()); |
| egl_window_attributes.push_back(EGL_HEIGHT); |
| egl_window_attributes.push_back(size_.height()); |
| } |
| |
| if (g_driver_egl.ext.b_EGL_NV_post_sub_buffer) { |
| egl_window_attributes.push_back(EGL_POST_SUB_BUFFER_SUPPORTED_NV); |
| egl_window_attributes.push_back(EGL_TRUE); |
| } |
| |
| if (g_egl_surface_orientation_supported) { |
| EGLint attrib; |
| eglGetConfigAttrib(GetDisplay(), GetConfig(), |
| EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE, &attrib); |
| flips_vertically_ = (attrib == EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE); |
| } |
| |
| if (flips_vertically_) { |
| egl_window_attributes.push_back(EGL_SURFACE_ORIENTATION_ANGLE); |
| egl_window_attributes.push_back(EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE); |
| } |
| |
| switch (format_.GetColorSpace()) { |
| case GLSurfaceFormat::COLOR_SPACE_UNSPECIFIED: |
| break; |
| case GLSurfaceFormat::COLOR_SPACE_SRGB: |
| // Note that COLORSPACE_LINEAR refers to the sRGB color space, but |
| // without opting into sRGB blending. It is equivalent to |
| // COLORSPACE_SRGB with Disable(FRAMEBUFFER_SRGB). |
| if (g_egl_khr_colorspace) { |
| egl_window_attributes.push_back(EGL_GL_COLORSPACE_KHR); |
| egl_window_attributes.push_back(EGL_GL_COLORSPACE_LINEAR_KHR); |
| } |
| break; |
| case GLSurfaceFormat::COLOR_SPACE_DISPLAY_P3: |
| // Note that it is not the case that |
| // COLORSPACE_SRGB is to COLORSPACE_LINEAR_KHR |
| // as |
| // COLORSPACE_DISPLAY_P3 is to COLORSPACE_DISPLAY_P3_LINEAR |
| // COLORSPACE_DISPLAY_P3 is equivalent to COLORSPACE_LINEAR, except with |
| // with the P3 gamut instead of the the sRGB gamut. |
| // COLORSPACE_DISPLAY_P3_LINEAR has a linear transfer function, and is |
| // intended for use with 16-bit formats. |
| bool p3_supported = g_egl_ext_colorspace_display_p3 || |
| g_egl_ext_colorspace_display_p3_passthrough; |
| if (g_egl_khr_colorspace && p3_supported) { |
| egl_window_attributes.push_back(EGL_GL_COLORSPACE_KHR); |
| // Chrome relied on incorrect Android behavior when dealing with P3 / |
| // framebuffer_srgb interactions. This behavior was fixed in Q, which |
| // causes invalid Chrome rendering. To achieve Android-P behavior in Q+, |
| // use EGL_GL_COLORSPACE_P3_PASSTHROUGH_EXT where possible. |
| if (g_egl_ext_colorspace_display_p3_passthrough) { |
| egl_window_attributes.push_back( |
| EGL_GL_COLORSPACE_DISPLAY_P3_PASSTHROUGH_EXT); |
| } else { |
| egl_window_attributes.push_back(EGL_GL_COLORSPACE_DISPLAY_P3_EXT); |
| } |
| } |
| break; |
| } |
| |
| egl_window_attributes.push_back(EGL_NONE); |
| // Create a surface for the native window. |
| surface_ = eglCreateWindowSurface( |
| GetDisplay(), GetConfig(), window_, &egl_window_attributes[0]); |
| |
| if (!surface_) { |
| LOG(ERROR) << "eglCreateWindowSurface failed with error " |
| << GetLastEGLErrorString(); |
| Destroy(); |
| return false; |
| } |
| |
| if (g_driver_egl.ext.b_EGL_NV_post_sub_buffer) { |
| EGLint surfaceVal; |
| EGLBoolean retVal = eglQuerySurface( |
| GetDisplay(), surface_, EGL_POST_SUB_BUFFER_SUPPORTED_NV, &surfaceVal); |
| supports_post_sub_buffer_ = (surfaceVal && retVal) == EGL_TRUE; |
| } |
| |
| supports_swap_buffer_with_damage_ = |
| g_driver_egl.ext.b_EGL_KHR_swap_buffers_with_damage; |
| |
| if (!vsync_provider_external_ && EGLSyncControlVSyncProvider::IsSupported()) { |
| vsync_provider_internal_ = |
| std::make_unique<EGLSyncControlVSyncProvider>(surface_); |
| } |
| presentation_helper_ = |
| std::make_unique<GLSurfacePresentationHelper>(GetVSyncProvider()); |
| return true; |
| } |
| |
| bool NativeViewGLSurfaceEGL::SupportsSwapTimestamps() const { |
| return g_driver_egl.ext.b_EGL_ANDROID_get_frame_timestamps; |
| } |
| |
| void NativeViewGLSurfaceEGL::SetEnableSwapTimestamps() { |
| DCHECK(g_driver_egl.ext.b_EGL_ANDROID_get_frame_timestamps); |
| |
| // If frame timestamps are supported, set the proper attribute to enable the |
| // feature and then cache the timestamps supported by the underlying |
| // implementation. EGL_DISPLAY_PRESENT_TIME_ANDROID support, in particular, |
| // is spotty. |
| // Clear the supported timestamps here to protect against Initialize() being |
| // called twice. |
| supported_egl_timestamps_.clear(); |
| supported_event_names_.clear(); |
| |
| eglSurfaceAttrib(GetDisplay(), surface_, EGL_TIMESTAMPS_ANDROID, EGL_TRUE); |
| |
| // Check if egl composite interval is supported or not. If not then return. |
| // Else check which other timestamps are supported. |
| EGLint interval_name = EGL_COMPOSITE_INTERVAL_ANDROID; |
| if (!eglGetCompositorTimingSupportedANDROID(GetDisplay(), surface_, |
| interval_name)) |
| return; |
| |
| static const struct { |
| EGLint egl_name; |
| const char* name; |
| } all_timestamps[kMaxTimestampsSupportable] = { |
| {EGL_REQUESTED_PRESENT_TIME_ANDROID, "Queue"}, |
| {EGL_RENDERING_COMPLETE_TIME_ANDROID, "WritesDone"}, |
| {EGL_COMPOSITION_LATCH_TIME_ANDROID, "LatchedForDisplay"}, |
| {EGL_FIRST_COMPOSITION_START_TIME_ANDROID, "1stCompositeCpu"}, |
| {EGL_LAST_COMPOSITION_START_TIME_ANDROID, "NthCompositeCpu"}, |
| {EGL_FIRST_COMPOSITION_GPU_FINISHED_TIME_ANDROID, "GpuCompositeDone"}, |
| {EGL_DISPLAY_PRESENT_TIME_ANDROID, "ScanOutStart"}, |
| {EGL_DEQUEUE_READY_TIME_ANDROID, "DequeueReady"}, |
| {EGL_READS_DONE_TIME_ANDROID, "ReadsDone"}, |
| }; |
| |
| supported_egl_timestamps_.reserve(kMaxTimestampsSupportable); |
| supported_event_names_.reserve(kMaxTimestampsSupportable); |
| for (const auto& ts : all_timestamps) { |
| if (!eglGetFrameTimestampSupportedANDROID(GetDisplay(), surface_, |
| ts.egl_name)) |
| continue; |
| |
| // For presentation feedback, prefer the actual scan out time, but fallback |
| // to SurfaceFlinger's composite time since some devices don't support |
| // the former. |
| switch (ts.egl_name) { |
| case EGL_FIRST_COMPOSITION_START_TIME_ANDROID: |
| // Value of presentation_feedback_index_ relies on the order of |
| // all_timestamps. |
| presentation_feedback_index_ = |
| static_cast<int>(supported_egl_timestamps_.size()); |
| presentation_flags_ = 0; |
| break; |
| case EGL_DISPLAY_PRESENT_TIME_ANDROID: |
| presentation_feedback_index_ = |
| static_cast<int>(supported_egl_timestamps_.size()); |
| presentation_flags_ = gfx::PresentationFeedback::kVSync | |
| gfx::PresentationFeedback::kHWCompletion; |
| break; |
| } |
| |
| // Stored in separate vectors so we can pass the egl timestamps |
| // directly to the EGL functions. |
| supported_egl_timestamps_.push_back(ts.egl_name); |
| supported_event_names_.push_back(ts.name); |
| } |
| |
| use_egl_timestamps_ = !supported_egl_timestamps_.empty(); |
| } |
| |
| bool NativeViewGLSurfaceEGL::SupportsPresentationCallback() { |
| return true; |
| } |
| |
| bool NativeViewGLSurfaceEGL::InitializeNativeWindow() { |
| return true; |
| } |
| |
| void NativeViewGLSurfaceEGL::Destroy() { |
| presentation_helper_ = nullptr; |
| vsync_provider_internal_ = nullptr; |
| |
| if (surface_) { |
| if (!eglDestroySurface(GetDisplay(), surface_)) { |
| LOG(ERROR) << "eglDestroySurface failed with error " |
| << GetLastEGLErrorString(); |
| } |
| surface_ = NULL; |
| } |
| } |
| |
| bool NativeViewGLSurfaceEGL::IsOffscreen() { |
| return false; |
| } |
| |
| gfx::SwapResult NativeViewGLSurfaceEGL::SwapBuffers( |
| const PresentationCallback& callback) { |
| TRACE_EVENT2("gpu", "NativeViewGLSurfaceEGL:RealSwapBuffers", |
| "width", GetSize().width(), |
| "height", GetSize().height()); |
| |
| if (!CommitAndClearPendingOverlays()) { |
| DVLOG(1) << "Failed to commit pending overlay planes."; |
| return gfx::SwapResult::SWAP_FAILED; |
| } |
| |
| EGLuint64KHR new_frame_id = 0; |
| bool new_frame_id_is_valid = true; |
| if (use_egl_timestamps_) { |
| new_frame_id_is_valid = |
| !!eglGetNextFrameIdANDROID(GetDisplay(), surface_, &new_frame_id); |
| } |
| if (!new_frame_id_is_valid) |
| new_frame_id = -1; |
| |
| GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers( |
| presentation_helper_.get(), callback, new_frame_id); |
| |
| if (!eglSwapBuffers(GetDisplay(), surface_)) { |
| DVLOG(1) << "eglSwapBuffers failed with error " |
| << GetLastEGLErrorString(); |
| scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_FAILED); |
| } else if (use_egl_timestamps_) { |
| UpdateSwapEvents(new_frame_id, new_frame_id_is_valid); |
| } |
| |
| #if defined(USE_X11) |
| // We need to restore the background pixel that we set to WhitePixel on |
| // views::DesktopWindowTreeHostX11::InitX11Window back to None for the |
| // XWindow associated to this surface after the first SwapBuffers has |
| // happened, to avoid showing a weird white background while resizing. |
| if (g_native_display && !has_swapped_buffers_) { |
| XSetWindowBackgroundPixmap(g_native_display, window_, 0); |
| has_swapped_buffers_ = true; |
| } |
| #endif |
| |
| return scoped_swap_buffers.result(); |
| } |
| |
| void NativeViewGLSurfaceEGL::UpdateSwapEvents(EGLuint64KHR newFrameId, |
| bool newFrameIdIsValid) { |
| // Queue info for the frame just swapped. |
| swap_info_queue_.push({newFrameIdIsValid, newFrameId}); |
| |
| // Make sure we have a frame old enough that all it's timstamps should |
| // be available by now. |
| constexpr int kFramesAgoToGetServerTimestamps = 4; |
| if (swap_info_queue_.size() <= kFramesAgoToGetServerTimestamps) |
| return; |
| |
| // TraceEvents if needed. |
| // If we weren't able to get a valid frame id before the swap, we can't get |
| // its timestamps now. |
| const SwapInfo& old_swap_info = swap_info_queue_.front(); |
| if (old_swap_info.frame_id_is_valid && g_trace_swap_enabled.Get().value) |
| TraceSwapEvents(old_swap_info.frame_id); |
| |
| swap_info_queue_.pop(); |
| } |
| |
| void NativeViewGLSurfaceEGL::TraceSwapEvents(EGLuint64KHR oldFrameId) { |
| // We shouldn't be calling eglGetFrameTimestampsANDROID with more timestamps |
| // than it supports. |
| DCHECK_LE(supported_egl_timestamps_.size(), kMaxTimestampsSupportable); |
| |
| // Get the timestamps. |
| std::vector<EGLnsecsANDROID> egl_timestamps(supported_egl_timestamps_.size(), |
| EGL_TIMESTAMP_INVALID_ANDROID); |
| if (!eglGetFrameTimestampsANDROID( |
| GetDisplay(), surface_, oldFrameId, |
| static_cast<EGLint>(supported_egl_timestamps_.size()), |
| supported_egl_timestamps_.data(), egl_timestamps.data())) { |
| TRACE_EVENT_INSTANT0("gpu", "eglGetFrameTimestamps:Failed", |
| TRACE_EVENT_SCOPE_THREAD); |
| return; |
| } |
| |
| // Track supported and valid time/name pairs. |
| struct TimeNamePair { |
| base::TimeTicks time; |
| const char* name; |
| }; |
| |
| std::vector<TimeNamePair> tracePairs; |
| tracePairs.reserve(supported_egl_timestamps_.size()); |
| for (size_t i = 0; i < egl_timestamps.size(); i++) { |
| // Although a timestamp of 0 is technically valid, we shouldn't expect to |
| // see it in practice. 0's are more likely due to a known linux kernel bug |
| // that inadvertently discards timestamp information when merging two |
| // retired fences. |
| if (egl_timestamps[i] == 0 || |
| egl_timestamps[i] == EGL_TIMESTAMP_INVALID_ANDROID || |
| egl_timestamps[i] == EGL_TIMESTAMP_PENDING_ANDROID) { |
| continue; |
| } |
| // TODO(brianderson): Replace FromInternalValue usage. |
| tracePairs.push_back( |
| {base::TimeTicks::FromInternalValue( |
| egl_timestamps[i] / base::TimeTicks::kNanosecondsPerMicrosecond), |
| supported_event_names_[i]}); |
| } |
| if (tracePairs.empty()) { |
| TRACE_EVENT_INSTANT0("gpu", "TraceSwapEvents:NoValidTimestamps", |
| TRACE_EVENT_SCOPE_THREAD); |
| return; |
| } |
| |
| // Sort the pairs so we can trace them in order. |
| std::sort(tracePairs.begin(), tracePairs.end(), |
| [](auto& a, auto& b) { return a.time < b.time; }); |
| |
| // Trace the overall range under which the sub events will be nested. |
| // Add an epsilon since the trace viewer interprets timestamp ranges |
| // as closed on the left and open on the right. i.e.: [begin, end). |
| // The last sub event isn't nested properly without the epsilon. |
| auto epsilon = base::TimeDelta::FromMicroseconds(1); |
| static const char* SwapEvents = "SwapEvents"; |
| const int64_t trace_id = oldFrameId; |
| TRACE_EVENT_NESTABLE_ASYNC_BEGIN_WITH_TIMESTAMP0( |
| kSwapEventTraceCategories, SwapEvents, trace_id, tracePairs.front().time); |
| TRACE_EVENT_NESTABLE_ASYNC_END_WITH_TIMESTAMP1( |
| kSwapEventTraceCategories, SwapEvents, trace_id, |
| tracePairs.back().time + epsilon, "id", trace_id); |
| |
| // Trace the first event, which does not have a range before it. |
| TRACE_EVENT_NESTABLE_ASYNC_INSTANT_WITH_TIMESTAMP0( |
| kSwapEventTraceCategories, tracePairs.front().name, trace_id, |
| tracePairs.front().time); |
| |
| // Trace remaining events and their ranges. |
| // Use the first characters to represent events still pending. |
| // This helps color code the remaining events in the viewer, which makes |
| // it obvious: |
| // 1) when the order of events are different between frames and |
| // 2) if multiple events occurred very close together. |
| std::string valid_symbols(tracePairs.size(), '\0'); |
| for (size_t i = 0; i < valid_symbols.size(); i++) |
| valid_symbols[i] = tracePairs[i].name[0]; |
| |
| const char* pending_symbols = valid_symbols.c_str(); |
| for (size_t i = 1; i < tracePairs.size(); i++) { |
| pending_symbols++; |
| TRACE_EVENT_COPY_NESTABLE_ASYNC_BEGIN_WITH_TIMESTAMP0( |
| kSwapEventTraceCategories, pending_symbols, trace_id, |
| tracePairs[i - 1].time); |
| TRACE_EVENT_COPY_NESTABLE_ASYNC_END_WITH_TIMESTAMP0( |
| kSwapEventTraceCategories, pending_symbols, trace_id, |
| tracePairs[i].time); |
| TRACE_EVENT_NESTABLE_ASYNC_INSTANT_WITH_TIMESTAMP0( |
| kSwapEventTraceCategories, tracePairs[i].name, trace_id, |
| tracePairs[i].time); |
| } |
| } |
| |
| gfx::Size NativeViewGLSurfaceEGL::GetSize() { |
| EGLint width; |
| EGLint height; |
| if (!eglQuerySurface(GetDisplay(), surface_, EGL_WIDTH, &width) || |
| !eglQuerySurface(GetDisplay(), surface_, EGL_HEIGHT, &height)) { |
| NOTREACHED() << "eglQuerySurface failed with error " |
| << GetLastEGLErrorString(); |
| return gfx::Size(); |
| } |
| |
| return gfx::Size(width, height); |
| } |
| |
| bool NativeViewGLSurfaceEGL::Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) { |
| if (size == GetSize()) |
| return true; |
| size_ = size; |
| { |
| ui::ScopedReleaseCurrent release_current; |
| Destroy(); |
| if (!Initialize(format_)) { |
| LOG(ERROR) << "Failed to resize window."; |
| return false; |
| } |
| } |
| SetVSyncEnabled(vsync_enabled_); |
| return true; |
| } |
| |
| bool NativeViewGLSurfaceEGL::Recreate() { |
| { |
| ui::ScopedReleaseCurrent release_current; |
| Destroy(); |
| if (!Initialize(format_)) { |
| LOG(ERROR) << "Failed to create surface."; |
| return false; |
| } |
| } |
| SetVSyncEnabled(vsync_enabled_); |
| return true; |
| } |
| |
| EGLSurface NativeViewGLSurfaceEGL::GetHandle() { |
| return surface_; |
| } |
| |
| bool NativeViewGLSurfaceEGL::SupportsPostSubBuffer() { |
| return supports_post_sub_buffer_; |
| } |
| |
| bool NativeViewGLSurfaceEGL::FlipsVertically() const { |
| return flips_vertically_; |
| } |
| |
| EGLTimestampClient* NativeViewGLSurfaceEGL::GetEGLTimestampClient() { |
| // This api call is used by GLSurfacePresentationHelper class which is member |
| // of this class NativeViewGLSurfaceEGL. Hence its guaranteed "this" pointer |
| // will live longer than the GLSurfacePresentationHelper class. |
| return this; |
| } |
| |
| bool NativeViewGLSurfaceEGL::IsEGLTimestampSupported() const { |
| return use_egl_timestamps_; |
| } |
| |
| bool NativeViewGLSurfaceEGL::GetFrameTimestampInfoIfAvailable( |
| base::TimeTicks* presentation_time, |
| base::TimeDelta* composite_interval, |
| uint32_t* presentation_flags, |
| int frame_id) { |
| DCHECK(presentation_time); |
| DCHECK(composite_interval); |
| DCHECK(presentation_flags); |
| |
| TRACE_EVENT1("gpu", "NativeViewGLSurfaceEGL:GetFrameTimestampInfoIfAvailable", |
| "frame_id", frame_id); |
| |
| // Get the composite interval. |
| EGLint interval_name = EGL_COMPOSITE_INTERVAL_ANDROID; |
| EGLnsecsANDROID composite_interval_ns = 0; |
| *presentation_flags = 0; |
| |
| // If an error is generated, we will treat it as a frame done for timestamp |
| // reporting purpose. |
| if (!eglGetCompositorTimingANDROID(GetDisplay(), surface_, 1, &interval_name, |
| &composite_interval_ns)) { |
| *composite_interval = base::TimeDelta::FromNanoseconds( |
| base::TimeTicks::kNanosecondsPerSecond / 60); |
| // If we couldn't get the correct presentation time due to some errors, |
| // return the current time. |
| *presentation_time = base::TimeTicks::Now(); |
| return true; |
| } |
| |
| // If the composite interval is pending, the frame is not yet done. |
| if (composite_interval_ns == EGL_TIMESTAMP_PENDING_ANDROID) { |
| return false; |
| } |
| DCHECK_GT(composite_interval_ns, 0); |
| *composite_interval = base::TimeDelta::FromNanoseconds(composite_interval_ns); |
| |
| // Get the all available timestamps for the frame. If a frame is invalid or |
| // an error is generated, we will treat it as a frame done for timestamp |
| // reporting purpose. |
| std::vector<EGLnsecsANDROID> egl_timestamps(supported_egl_timestamps_.size(), |
| EGL_TIMESTAMP_INVALID_ANDROID); |
| if ((frame_id < 0) || |
| !eglGetFrameTimestampsANDROID( |
| GetDisplay(), surface_, frame_id, |
| static_cast<EGLint>(supported_egl_timestamps_.size()), |
| supported_egl_timestamps_.data(), egl_timestamps.data())) { |
| // If we couldn't get the correct presentation time due to some errors, |
| // return the current time. |
| *presentation_time = base::TimeTicks::Now(); |
| return true; |
| } |
| DCHECK_GE(presentation_feedback_index_, 0); |
| |
| // Get the presentation time. |
| EGLnsecsANDROID presentation_time_ns = |
| egl_timestamps[presentation_feedback_index_]; |
| |
| // If the presentation time is pending, the frame is not yet done. |
| if (presentation_time_ns == EGL_TIMESTAMP_PENDING_ANDROID) { |
| return false; |
| } |
| if (presentation_time_ns == EGL_TIMESTAMP_INVALID_ANDROID) { |
| *presentation_time = base::TimeTicks::Now(); |
| } else { |
| *presentation_time = base::TimeTicks() + |
| base::TimeDelta::FromNanoseconds(presentation_time_ns); |
| *presentation_flags = presentation_flags_; |
| } |
| DCHECK(!presentation_time->is_null()); |
| return true; |
| } |
| |
| gfx::SwapResult NativeViewGLSurfaceEGL::SwapBuffersWithDamage( |
| const std::vector<int>& rects, |
| const PresentationCallback& callback) { |
| DCHECK(supports_swap_buffer_with_damage_); |
| if (!CommitAndClearPendingOverlays()) { |
| DVLOG(1) << "Failed to commit pending overlay planes."; |
| return gfx::SwapResult::SWAP_FAILED; |
| } |
| |
| GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers( |
| presentation_helper_.get(), callback); |
| if (!eglSwapBuffersWithDamageKHR(GetDisplay(), surface_, |
| const_cast<EGLint*>(rects.data()), |
| static_cast<EGLint>(rects.size() / 4))) { |
| DVLOG(1) << "eglSwapBuffersWithDamageKHR failed with error " |
| << GetLastEGLErrorString(); |
| scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_FAILED); |
| } |
| return scoped_swap_buffers.result(); |
| } |
| |
| gfx::SwapResult NativeViewGLSurfaceEGL::PostSubBuffer( |
| int x, |
| int y, |
| int width, |
| int height, |
| const PresentationCallback& callback) { |
| DCHECK(supports_post_sub_buffer_); |
| if (!CommitAndClearPendingOverlays()) { |
| DVLOG(1) << "Failed to commit pending overlay planes."; |
| return gfx::SwapResult::SWAP_FAILED; |
| } |
| if (flips_vertically_) { |
| // With EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE the contents are rendered |
| // inverted, but the PostSubBuffer rectangle is still measured from the |
| // bottom left. |
| y = GetSize().height() - y - height; |
| } |
| |
| GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers( |
| presentation_helper_.get(), callback); |
| if (!eglPostSubBufferNV(GetDisplay(), surface_, x, y, width, height)) { |
| DVLOG(1) << "eglPostSubBufferNV failed with error " |
| << GetLastEGLErrorString(); |
| scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_FAILED); |
| } |
| return scoped_swap_buffers.result(); |
| } |
| |
| bool NativeViewGLSurfaceEGL::SupportsCommitOverlayPlanes() { |
| #if defined(OS_ANDROID) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| gfx::SwapResult NativeViewGLSurfaceEGL::CommitOverlayPlanes( |
| const PresentationCallback& callback) { |
| DCHECK(SupportsCommitOverlayPlanes()); |
| // Here we assume that the overlays scheduled on this surface will display |
| // themselves to the screen right away in |CommitAndClearPendingOverlays|, |
| // rather than being queued and waiting for a "swap" signal. |
| GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers( |
| presentation_helper_.get(), callback); |
| if (!CommitAndClearPendingOverlays()) |
| scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_FAILED); |
| return scoped_swap_buffers.result(); |
| } |
| |
| bool NativeViewGLSurfaceEGL::OnMakeCurrent(GLContext* context) { |
| if (presentation_helper_) |
| presentation_helper_->OnMakeCurrent(context, this); |
| return GLSurfaceEGL::OnMakeCurrent(context); |
| } |
| |
| gfx::VSyncProvider* NativeViewGLSurfaceEGL::GetVSyncProvider() { |
| return vsync_provider_external_ ? vsync_provider_external_.get() |
| : vsync_provider_internal_.get(); |
| } |
| |
| void NativeViewGLSurfaceEGL::SetVSyncEnabled(bool enabled) { |
| DCHECK(GLContext::GetCurrent() && GLContext::GetCurrent()->IsCurrent(this)); |
| vsync_enabled_ = enabled; |
| if (!eglSwapInterval(GetDisplay(), enabled ? 1 : 0)) { |
| LOG(ERROR) << "eglSwapInterval failed with error " |
| << GetLastEGLErrorString(); |
| } |
| } |
| |
| bool NativeViewGLSurfaceEGL::ScheduleOverlayPlane( |
| int z_order, |
| gfx::OverlayTransform transform, |
| GLImage* image, |
| const gfx::Rect& bounds_rect, |
| const gfx::RectF& crop_rect, |
| bool enable_blend, |
| std::unique_ptr<gfx::GpuFence> gpu_fence) { |
| #if !defined(OS_ANDROID) |
| NOTIMPLEMENTED(); |
| return false; |
| #else |
| pending_overlays_.push_back(GLSurfaceOverlay(z_order, transform, image, |
| bounds_rect, crop_rect, true, |
| std::move(gpu_fence))); |
| return true; |
| #endif |
| } |
| |
| NativeViewGLSurfaceEGL::~NativeViewGLSurfaceEGL() { |
| Destroy(); |
| #if defined(OS_ANDROID) |
| if (window_) |
| ANativeWindow_release(window_); |
| #endif |
| } |
| |
| bool NativeViewGLSurfaceEGL::CommitAndClearPendingOverlays() { |
| if (pending_overlays_.empty()) |
| return true; |
| |
| bool success = true; |
| #if defined(OS_ANDROID) |
| for (auto& overlay : pending_overlays_) |
| success &= overlay.ScheduleOverlayPlane(window_); |
| pending_overlays_.clear(); |
| #else |
| NOTIMPLEMENTED(); |
| #endif |
| return success; |
| } |
| |
| PbufferGLSurfaceEGL::PbufferGLSurfaceEGL(const gfx::Size& size) |
| : size_(size), |
| surface_(NULL) { |
| // Some implementations of Pbuffer do not support having a 0 size. For such |
| // cases use a (1, 1) surface. |
| if (size_.GetArea() == 0) |
| size_.SetSize(1, 1); |
| } |
| |
| bool PbufferGLSurfaceEGL::Initialize(GLSurfaceFormat format) { |
| EGLSurface old_surface = surface_; |
| |
| #if defined(OS_ANDROID) |
| // This is to allow context virtualization which requires on- and offscreen |
| // to use a compatible config. We expect the client to request RGB565 |
| // onscreen surface also for this to work (with the exception of |
| // fullscreen video). |
| if (base::SysInfo::AmountOfPhysicalMemoryMB() <= 512) |
| format.SetRGB565(); |
| #endif |
| |
| format_ = format; |
| |
| EGLDisplay display = GetDisplay(); |
| if (!display) { |
| LOG(ERROR) << "Trying to create surface with invalid display."; |
| return false; |
| } |
| |
| // Allocate the new pbuffer surface before freeing the old one to ensure |
| // they have different addresses. If they have the same address then a |
| // future call to MakeCurrent might early out because it appears the current |
| // context and surface have not changed. |
| EGLint pbuffer_attribs[] = { |
| EGL_WIDTH, size_.width(), EGL_HEIGHT, size_.height(), EGL_NONE, |
| }; |
| |
| EGLSurface new_surface = |
| eglCreatePbufferSurface(display, GetConfig(), pbuffer_attribs); |
| if (!new_surface) { |
| LOG(ERROR) << "eglCreatePbufferSurface failed with error " |
| << GetLastEGLErrorString(); |
| return false; |
| } |
| |
| if (old_surface) |
| eglDestroySurface(display, old_surface); |
| |
| surface_ = new_surface; |
| return true; |
| } |
| |
| void PbufferGLSurfaceEGL::Destroy() { |
| if (surface_) { |
| if (!eglDestroySurface(GetDisplay(), surface_)) { |
| LOG(ERROR) << "eglDestroySurface failed with error " |
| << GetLastEGLErrorString(); |
| } |
| surface_ = NULL; |
| } |
| } |
| |
| bool PbufferGLSurfaceEGL::IsOffscreen() { |
| return true; |
| } |
| |
| gfx::SwapResult PbufferGLSurfaceEGL::SwapBuffers( |
| const PresentationCallback& callback) { |
| NOTREACHED() << "Attempted to call SwapBuffers on a PbufferGLSurfaceEGL."; |
| return gfx::SwapResult::SWAP_FAILED; |
| } |
| |
| gfx::Size PbufferGLSurfaceEGL::GetSize() { |
| return size_; |
| } |
| |
| bool PbufferGLSurfaceEGL::Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) { |
| if (size == size_) |
| return true; |
| |
| size_ = size; |
| |
| ui::ScopedReleaseCurrent release_current; |
| |
| if (!Initialize(format_)) { |
| LOG(ERROR) << "Failed to resize pbuffer."; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| EGLSurface PbufferGLSurfaceEGL::GetHandle() { |
| return surface_; |
| } |
| |
| void* PbufferGLSurfaceEGL::GetShareHandle() { |
| #if defined(OS_ANDROID) |
| NOTREACHED(); |
| return NULL; |
| #else |
| if (!g_driver_egl.ext.b_EGL_ANGLE_query_surface_pointer) |
| return NULL; |
| |
| if (!g_driver_egl.ext.b_EGL_ANGLE_surface_d3d_texture_2d_share_handle) |
| return NULL; |
| |
| void* handle; |
| if (!eglQuerySurfacePointerANGLE(g_egl_display, GetHandle(), |
| EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE, |
| &handle)) { |
| return NULL; |
| } |
| |
| return handle; |
| #endif |
| } |
| |
| PbufferGLSurfaceEGL::~PbufferGLSurfaceEGL() { |
| Destroy(); |
| } |
| |
| SurfacelessEGL::SurfacelessEGL(const gfx::Size& size) : size_(size) {} |
| |
| bool SurfacelessEGL::Initialize(GLSurfaceFormat format) { |
| format_ = format; |
| return true; |
| } |
| |
| void SurfacelessEGL::Destroy() { |
| } |
| |
| bool SurfacelessEGL::IsOffscreen() { |
| return true; |
| } |
| |
| bool SurfacelessEGL::IsSurfaceless() const { |
| return true; |
| } |
| |
| gfx::SwapResult SurfacelessEGL::SwapBuffers( |
| const PresentationCallback& callback) { |
| LOG(ERROR) << "Attempted to call SwapBuffers with SurfacelessEGL."; |
| return gfx::SwapResult::SWAP_FAILED; |
| } |
| |
| gfx::Size SurfacelessEGL::GetSize() { |
| return size_; |
| } |
| |
| bool SurfacelessEGL::Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) { |
| size_ = size; |
| return true; |
| } |
| |
| EGLSurface SurfacelessEGL::GetHandle() { |
| return EGL_NO_SURFACE; |
| } |
| |
| void* SurfacelessEGL::GetShareHandle() { |
| return NULL; |
| } |
| |
| SurfacelessEGL::~SurfacelessEGL() { |
| } |
| |
| } // namespace gl |