125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/*************************************************************************/
|
|
/* opengl_context.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#ifndef EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
|
|
#define EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
|
|
|
|
///
|
|
/// @file
|
|
/// OpenGLContext manages the OpenGL context in the browser that is associated
|
|
/// with a @a pp::Instance instance.
|
|
///
|
|
|
|
#include <pthread.h>
|
|
|
|
#include <algorithm>
|
|
#include <string>
|
|
|
|
#include "ppapi/c/ppb_opengles2.h"
|
|
//#include "ppapi/cpp/dev/context_3d_dev.h"
|
|
#include "ppapi/cpp/graphics_3d_client.h"
|
|
#include "ppapi/cpp/graphics_3d.h"
|
|
//#include "ppapi/cpp/dev/surface_3d_dev.h"
|
|
#include "ppapi/cpp/instance.h"
|
|
#include "ppapi/cpp/size.h"
|
|
|
|
// A convenience wrapper for a shared OpenGLContext pointer type. As other
|
|
// smart pointer types are needed, add them here.
|
|
|
|
#include <tr1/memory>
|
|
|
|
class OpenGLContext;
|
|
|
|
typedef std::tr1::shared_ptr<OpenGLContext> SharedOpenGLContext;
|
|
|
|
/// OpenGLContext manages an OpenGL rendering context in the browser.
|
|
///
|
|
class OpenGLContext : public pp::Graphics3DClient {
|
|
public:
|
|
explicit OpenGLContext(pp::Instance* instance);
|
|
|
|
/// Release all the in-browser resources used by this context, and make this
|
|
/// context invalid.
|
|
virtual ~OpenGLContext();
|
|
|
|
/// The Graphics3DClient interfcace.
|
|
virtual void Graphics3DContextLost() {
|
|
assert(!"Unexpectedly lost graphics context");
|
|
}
|
|
|
|
/// Make @a this the current 3D context in @a instance.
|
|
/// @param instance The instance of the NaCl module that will receive the
|
|
/// the current 3D context.
|
|
/// @return success.
|
|
bool MakeContextCurrent(pp::Instance* instance);
|
|
|
|
/// Flush the contents of this context to the browser's 3D device.
|
|
void FlushContext();
|
|
|
|
/// Make the underlying 3D device invalid, so that any subsequent rendering
|
|
/// commands will have no effect. The next call to MakeContextCurrent() will
|
|
/// cause the underlying 3D device to get rebound and start receiving
|
|
/// receiving rendering commands again. Use InvalidateContext(), for
|
|
/// example, when resizing the context's viewing area.
|
|
void InvalidateContext(pp::Instance* instance);
|
|
|
|
void ResizeContext(const pp::Size& size);
|
|
|
|
/// The OpenGL ES 2.0 interface.
|
|
const struct PPB_OpenGLES2_Dev* gles2() const {
|
|
return gles2_interface_;
|
|
}
|
|
|
|
/// The PP_Resource needed to make GLES2 calls through the Pepper interface.
|
|
const PP_Resource gl_context() const {
|
|
return context_.pp_resource();
|
|
}
|
|
|
|
/// Indicate whether a flush is pending. This can only be called from the
|
|
/// main thread; it is not thread safe.
|
|
bool flush_pending() const {
|
|
return flush_pending_;
|
|
}
|
|
void set_flush_pending(bool flag) {
|
|
flush_pending_ = flag;
|
|
}
|
|
|
|
private:
|
|
pp::Graphics3D context_;
|
|
bool flush_pending_;
|
|
|
|
int width, height;
|
|
|
|
pp::Instance* instance;
|
|
|
|
const struct PPB_OpenGLES2_Dev* gles2_interface_;
|
|
};
|
|
|
|
#endif // EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
|
|
|