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https://github.com/bulletphysics/bullet3
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91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
// Copyright (c) 2011 The Native Client 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 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 "opengl_context_ptrs.h"
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#include "ppapi/c/dev/ppb_opengles_dev.h"
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#include "ppapi/cpp/dev/context_3d_dev.h"
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#include "ppapi/cpp/dev/graphics_3d_client_dev.h"
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#include "ppapi/cpp/dev/graphics_3d_dev.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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namespace tumbler {
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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_Dev {
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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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/// 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::Context3D_Dev context_;
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pp::Surface3D_Dev surface_;
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bool flush_pending_;
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const struct PPB_OpenGLES2_Dev* gles2_interface_;
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};
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} // namespace tumbler
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#endif // EXAMPLES_TUMBLER_OPENGL_CONTEXT_H_
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