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d0d6a4c236
* Add flutter_windows_view and window_binding_handler Switch input handling infra to FlutterWindowsView win32_flutter_window implement WindowBindingHandler Strip unneeded functionality from win32flutterwindow Fulfill WindowBindingHandler interface in Win32FlutterWindow Add implementations for missing input handling in Win32FlutterWindow Cleanup dead code Correctly hook up rendering again Fix resizing clang-format Fix clipboard Cleanup Rename Add comments cleanup * clang-format * CR Feedback * clang-format; gn format * Fix licensing * CR feedback * CR feedback * CR feedback * Git rid of unnecessar :: prefixes * Extract WindowBindingHandlerDelegate as an interface * Missing file * Extract physical window bounds as a struct * CR Feedback * CR feedback * clang-format Co-authored-by: Stuart Morgan <stuartmorgan@google.com>
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_ANGLE_SURFACE_MANAGER_H_
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#define FLUTTER_SHELL_PLATFORM_WINDOWS_ANGLE_SURFACE_MANAGER_H_
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// OpenGL ES and EGL includes
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <EGL/eglplatform.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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// Windows platform specific includes
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#include <windows.h>
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#include "window_binding_handler.h"
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namespace flutter {
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// A manager for inializing ANGLE correctly and using it to create and
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// destroy surfaces
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class AngleSurfaceManager {
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public:
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AngleSurfaceManager();
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~AngleSurfaceManager();
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// Disallow copy/move.
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AngleSurfaceManager(const AngleSurfaceManager&) = delete;
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AngleSurfaceManager& operator=(const AngleSurfaceManager&) = delete;
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// Creates an EGLSurface wrapper and backing DirectX 11 SwapChain
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// asociated with window, in the appropriate format for display.
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// Target represents the visual entity to bind to.
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bool CreateSurface(WindowsRenderTarget* render_target);
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// queries EGL for the dimensions of surface in physical
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// pixels returning width and height as out params.
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void GetSurfaceDimensions(EGLint* width, EGLint* height);
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// Releases the pass-in EGLSurface wrapping and backing resources if not null.
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void DestroySurface();
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// Binds egl_context_ to the current rendering thread and to the draw and read
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// surfaces returning a boolean result reflecting success.
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bool MakeCurrent();
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// Clears current egl_context_
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bool ClearContext();
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// Binds egl_resource_context_ to the current rendering thread and to the draw
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// and read surfaces returning a boolean result reflecting success.
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bool MakeResourceCurrent();
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// Swaps the front and back buffers of the DX11 swapchain backing surface if
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// not null.
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EGLBoolean SwapBuffers();
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private:
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bool Initialize();
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void CleanUp();
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private:
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// EGL representation of native display.
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EGLDisplay egl_display_;
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// EGL representation of current rendering context.
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EGLContext egl_context_;
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// EGL representation of current rendering context used for async texture
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// uploads.
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EGLContext egl_resource_context_;
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// current frame buffer configuration.
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EGLConfig egl_config_;
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// State representing success or failure of display initialization used when
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// creating surfaces.
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bool initialize_succeeded_;
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// Current render_surface that engine will draw into.
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EGLSurface render_surface_ = EGL_NO_SURFACE;
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_PLATFORM_WINDOWS_ANGLE_SURFACE_MANAGER_H_
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