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/*
* Copyright © 2015 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Kevin DuBois <kevin.dubois@canonical.com>
*/
#ifndef MIR_EXAMPLES_CLIENT_HELPERS_H_
#define MIR_EXAMPLES_CLIENT_HELPERS_H_
#include "mir_toolkit/mir_client_library.h"
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <memory>
namespace mir
{
namespace examples
{
class Connection
{
public:
Connection(char const* socket_file);
Connection(char const* socket_file, const char* name);
~Connection();
operator MirConnection*();
Connection(Connection const&) = delete;
Connection& operator=(Connection const&) = delete;
private:
MirConnection* connection;
};
class BufferStream
{
public:
BufferStream(
Connection& connection,
unsigned int width,
unsigned int height,
bool prefer_alpha = false,
bool hardware = true);
operator MirBufferStream*() const;
private:
MirBufferStream* create_stream(
MirConnection* connection,
unsigned int width,
unsigned int height,
bool prefer_alpha,
bool hardware);
std::unique_ptr<MirBufferStream, decltype(&mir_buffer_stream_release_sync)> const stream;
BufferStream(BufferStream const&) = delete;
BufferStream& operator=(BufferStream const&) = delete;
};
class NormalSurface
{
public:
NormalSurface(Connection& connection, unsigned int width, unsigned int height, bool prefers_alpha = false, bool hardware = true);
operator MirSurface*() const;
private:
MirSurface* create_surface(MirConnection* connection, unsigned int width, unsigned int height, bool prefers_alpha, bool hardware);
std::function<void(MirSurface*)> const surface_deleter{
[](MirSurface* surface) { mir_surface_release_sync(surface); }
};
std::unique_ptr<MirSurface, decltype(surface_deleter)> surface;
NormalSurface(NormalSurface const&) = delete;
NormalSurface& operator=(NormalSurface const&) = delete;
};
class Context
{
public:
Context(Connection& connection, MirSurface* surface, int swap_interval);
void make_current();
void release_current();
void swapbuffers();
Context(Context const&) = delete;
Context& operator=(Context const&) = delete;
private:
EGLConfig chooseconfig(EGLDisplay disp);
EGLNativeDisplayType native_display;
EGLNativeWindowType native_window;
struct Display
{
Display(EGLNativeDisplayType native);
~Display();
EGLDisplay disp;
} display;
EGLConfig config;
struct Surface
{
Surface(EGLDisplay display, EGLConfig config, EGLNativeWindowType native_window);
~Surface();
EGLDisplay disp;
EGLSurface surface;
} surface;
struct EglContext
{
EglContext(EGLDisplay disp, EGLConfig config);
~EglContext();
EGLint context_attribs[3] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
EGLDisplay disp;
EGLContext context;
} context;
};
struct Shader
{
Shader(GLchar const* const* src, GLuint type);
~Shader();
GLuint shader;
};
struct Program
{
Program(Shader& vertex, Shader& fragment);
~Program();
GLuint program;
};
}
}
#endif /* MIR_EXAMLPES_CLIENT_HELPERS_H_ */
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