125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/*************************************************************************/
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/* opengl_context.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
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#define EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
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///
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/// @file
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/// OpenGLContext manages the OpenGL context in the browser that is associated
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/// with a @a pp::Instance instance.
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///
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#include <pthread.h>
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#include <algorithm>
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#include <string>
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#include "ppapi/c/ppb_opengles2.h"
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//#include "ppapi/cpp/dev/context_3d_dev.h"
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#include "ppapi/cpp/graphics_3d_client.h"
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#include "ppapi/cpp/graphics_3d.h"
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//#include "ppapi/cpp/dev/surface_3d_dev.h"
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#include "ppapi/cpp/instance.h"
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#include "ppapi/cpp/size.h"
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// A convenience wrapper for a shared OpenGLContext pointer type. As other
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// smart pointer types are needed, add them here.
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#include <tr1/memory>
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class OpenGLContext;
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typedef std::tr1::shared_ptr<OpenGLContext> SharedOpenGLContext;
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/// OpenGLContext manages an OpenGL rendering context in the browser.
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///
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class OpenGLContext : public pp::Graphics3DClient {
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public:
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explicit OpenGLContext(pp::Instance* instance);
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/// Release all the in-browser resources used by this context, and make this
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/// context invalid.
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virtual ~OpenGLContext();
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/// The Graphics3DClient interfcace.
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virtual void Graphics3DContextLost() {
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assert(!"Unexpectedly lost graphics context");
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}
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/// Make @a this the current 3D context in @a instance.
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/// @param instance The instance of the NaCl module that will receive the
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/// the current 3D context.
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/// @return success.
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bool MakeContextCurrent(pp::Instance* instance);
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/// Flush the contents of this context to the browser's 3D device.
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void FlushContext();
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/// Make the underlying 3D device invalid, so that any subsequent rendering
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/// commands will have no effect. The next call to MakeContextCurrent() will
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/// cause the underlying 3D device to get rebound and start receiving
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/// receiving rendering commands again. Use InvalidateContext(), for
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/// example, when resizing the context's viewing area.
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void InvalidateContext(pp::Instance* instance);
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void ResizeContext(const pp::Size& size);
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/// The OpenGL ES 2.0 interface.
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const struct PPB_OpenGLES2_Dev* gles2() const {
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return gles2_interface_;
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}
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/// The PP_Resource needed to make GLES2 calls through the Pepper interface.
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const PP_Resource gl_context() const {
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return context_.pp_resource();
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}
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/// Indicate whether a flush is pending. This can only be called from the
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/// main thread; it is not thread safe.
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bool flush_pending() const {
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return flush_pending_;
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}
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void set_flush_pending(bool flag) {
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flush_pending_ = flag;
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}
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private:
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pp::Graphics3D context_;
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bool flush_pending_;
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int width, height;
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pp::Instance* instance;
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const struct PPB_OpenGLES2_Dev* gles2_interface_;
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};
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#endif // EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
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