bgfx/src/glcontext_nsgl.mm
2014-09-07 17:46:52 -07:00

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3.6 KiB
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/*
* Copyright 2011-2014 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#include "bgfx_p.h"
#if BX_PLATFORM_OSX && (BGFX_CONFIG_RENDERER_OPENGLES || BGFX_CONFIG_RENDERER_OPENGL)
# include "renderer_gl.h"
# include <Cocoa/Cocoa.h>
# include <bx/os.h>
namespace bgfx
{
# define GL_IMPORT(_optional, _proto, _func, _import) _proto _func
# include "glimports.h"
static void* s_opengl = NULL;
void GlContext::create(uint32_t _width, uint32_t _height)
{
BX_UNUSED(_width, _height);
s_opengl = bx::dlopen("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL");
BX_CHECK(NULL != s_opengl, "OpenGL dynamic library is not found!");
NSWindow* nsWindow = (NSWindow*)g_bgfxNSWindow;
NSOpenGLPixelFormatAttribute profile =
#if BGFX_CONFIG_RENDERER_OPENGL >= 31
NSOpenGLProfileVersion3_2Core
#else
NSOpenGLProfileVersionLegacy
#endif // BGFX_CONFIG_RENDERER_OPENGL >= 31
;
NSOpenGLPixelFormatAttribute pixelFormatAttributes[] = {
NSOpenGLPFAOpenGLProfile, profile,
NSOpenGLPFAColorSize, 24,
NSOpenGLPFAAlphaSize, 8,
NSOpenGLPFADepthSize, 24,
NSOpenGLPFAStencilSize, 8,
NSOpenGLPFADoubleBuffer, true,
NSOpenGLPFAAccelerated, true,
NSOpenGLPFANoRecovery, true,
0, 0,
};
NSOpenGLPixelFormat* pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:pixelFormatAttributes];
BGFX_FATAL(NULL != pixelFormat, Fatal::UnableToInitialize, "Failed to initialize pixel format.");
NSRect glViewRect = [[nsWindow contentView] bounds];
NSOpenGLView* glView = [[NSOpenGLView alloc] initWithFrame:glViewRect pixelFormat:pixelFormat];
[pixelFormat release];
[nsWindow setContentView:glView];
NSOpenGLContext* glContext = [glView openGLContext];
BGFX_FATAL(NULL != glContext, Fatal::UnableToInitialize, "Failed to initialize GL context.");
[glContext makeCurrentContext];
GLint interval = 0;
[glContext setValues:&interval forParameter:NSOpenGLCPSwapInterval];
m_view = glView;
m_context = glContext;
import();
}
void GlContext::destroy()
{
NSOpenGLView* glView = (NSOpenGLView*)m_view;
m_view = 0;
m_context = 0;
[glView release];
bx::dlclose(s_opengl);
}
void GlContext::resize(uint32_t _width, uint32_t _height, bool _vsync)
{
BX_UNUSED(_width, _height, _vsync);
GLint interval = _vsync ? 1 : 0;
NSOpenGLContext* glContext = (NSOpenGLContext*)m_context;
[glContext setValues:&interval forParameter:NSOpenGLCPSwapInterval];
}
SwapChainGL* GlContext::createSwapChain(void* /*_nwh*/)
{
BX_CHECK(false, "Shouldn't be called!");
return NULL;
}
void GlContext::destorySwapChain(SwapChainGL* /*_swapChain*/)
{
BX_CHECK(false, "Shouldn't be called!");
}
void GlContext::swap(SwapChainGL* _swapChain)
{
BX_CHECK(NULL == _swapChain, "Shouldn't be called!"); BX_UNUSED(_swapChain);
NSOpenGLContext* glContext = (NSOpenGLContext*)m_context;
[glContext makeCurrentContext];
[glContext flushBuffer];
}
void GlContext::makeCurrent(SwapChainGL* /*_swapChain*/)
{
}
void GlContext::import()
{
BX_TRACE("Import:");
# define GL_EXTENSION(_optional, _proto, _func, _import) \
{ \
if (_func == NULL) \
{ \
_func = (_proto)bx::dlsym(s_opengl, #_import); \
BX_TRACE("%p " #_func " (" #_import ")", _func); \
} \
BGFX_FATAL(_optional || NULL != _func, Fatal::UnableToInitialize, "Failed to create OpenGL context. NSGLGetProcAddress(\"%s\")", #_import); \
}
# include "glimports.h"
}
} // namespace bgfx
#endif // BX_PLATFORM_OSX && (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGLES3|BGFX_CONFIG_RENDERER_OPENGL)