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Diffstat (limited to 'platform/nacl/opengl_context.h')
| -rw-r--r-- | platform/nacl/opengl_context.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/platform/nacl/opengl_context.h b/platform/nacl/opengl_context.h new file mode 100644 index 0000000000..b0431f29bf --- /dev/null +++ b/platform/nacl/opengl_context.h @@ -0,0 +1,124 @@ +/*************************************************************************/ +/* opengl_context.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 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_ + |