105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file.
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#ifndef CEF_TESTS_CEFCLIENT_BROWSER_OSR_RENDERER_H_
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#define CEF_TESTS_CEFCLIENT_BROWSER_OSR_RENDERER_H_
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#pragma once
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#include <vector>
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#include "include/cef_browser.h"
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#include "include/cef_render_handler.h"
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#include "tests/cefclient/browser/osr_renderer_settings.h"
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// Enable shader-based rendering for Linux only. Windows still uses OpenGL 1.1
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// to avoid the added complexity of linking newer OpenGL APIs on that platform.
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// MacOS has deprecated OpenGL and we should eventually provide a Metal-based
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// implementation on that platform.
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#if defined(OS_LINUX)
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#define USE_SHADERS 1
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#else
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#define USE_SHADERS 0
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#endif
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namespace client {
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class OsrRenderer {
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public:
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explicit OsrRenderer(const OsrRendererSettings& settings);
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~OsrRenderer();
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// Initialize the OpenGL environment.
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void Initialize();
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// Clean up the OpenGL environment.
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void Cleanup();
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// Render to the screen.
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void Render();
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// Forwarded from CefRenderHandler callbacks.
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void OnPopupShow(CefRefPtr<CefBrowser> browser, bool show);
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// |rect| must be in pixel coordinates.
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void OnPopupSize(CefRefPtr<CefBrowser> browser, const CefRect& rect);
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void OnPaint(CefRefPtr<CefBrowser> browser,
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CefRenderHandler::PaintElementType type,
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const CefRenderHandler::RectList& dirtyRects,
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const void* buffer,
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int width,
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int height);
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// Used when rendering with shared textures.
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void OnAcceleratedPaint(CefRefPtr<CefBrowser> browser,
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CefRenderHandler::PaintElementType type,
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const CefRenderHandler::RectList& dirtyRects,
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unsigned int io_surface_tex,
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int width,
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int height);
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// Apply spin.
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void SetSpin(float spinX, float spinY);
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void IncrementSpin(float spinDX, float spinDY);
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int GetViewWidth() const { return view_width_; }
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int GetViewHeight() const { return view_height_; }
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CefRect popup_rect() const { return popup_rect_; }
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CefRect original_popup_rect() const { return original_popup_rect_; }
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void ClearPopupRects();
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const OsrRendererSettings& settings() const { return settings_; }
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private:
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CefRect GetPopupRectInWebView(const CefRect& original_rect);
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inline bool IsTransparent() const {
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return CefColorGetA(settings_.background_color) == 0;
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}
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const OsrRendererSettings settings_;
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bool initialized_ = false;
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unsigned int texture_id_ = 0;
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#if USE_SHADERS
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unsigned int vao_id_ = 0;
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unsigned int vbo_id_ = 0;
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unsigned int screen_shader_program_id_ = 0;
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unsigned int update_rect_shader_program_id_ = 0;
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std::vector<float> line_vertices_;
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#endif
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int view_width_ = 0;
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int view_height_ = 0;
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CefRect popup_rect_;
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CefRect original_popup_rect_;
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float spin_x_ = 0;
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float spin_y_ = 0;
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CefRect update_rect_;
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DISALLOW_COPY_AND_ASSIGN(OsrRenderer);
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};
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} // namespace client
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#endif // CEF_TESTS_CEFCLIENT_BROWSER_OSR_RENDERER_H_
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