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GL import code cleanup. Added ability to load GLES library dynamically.

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This commit is contained in:
Branimir Karadžić
2014-02-18 23:36:13 -08:00
parent c6f5fa3b25
commit db735f5ff6
9 changed files with 377 additions and 238 deletions
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src/glcontext_wgl.cpp
+19 -13
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@@ -22,8 +22,7 @@ namespace bgfx
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT;
# define GL_IMPORT(_optional, _proto, _func, _import) _proto _func
# include "glimports.h"
# undef GL_IMPORT
# include "glimports.h"
static HGLRC createContext(HDC _hdc)
{
@@ -273,18 +272,25 @@ namespace bgfx
void GlContext::import()
{
# define GL_IMPORT(_optional, _proto, _func, _import) \
{ \
BX_TRACE("%s", #_import); \
_func = (_proto)wglGetProcAddress(#_import); \
if (_func == NULL) \
{ \
_func = (_proto)bx::dlsym(m_opengl32dll, #_import); \
} \
BGFX_FATAL(_optional || NULL != _func, Fatal::UnableToInitialize, "Failed to create OpenGL context. wglGetProcAddress(\"%s\")", #_import); \
}
BX_TRACE("Import:");
# define GL_EXTENSION(_optional, _proto, _func, _import) \
{ \
if (NULL == _func) \
{ \
_func = (_proto)wglGetProcAddress(#_import); \
if (_func == NULL) \
{ \
_func = (_proto)bx::dlsym(m_opengl32dll, #_import); \
BX_TRACE(" %p " #_func " (" #_import ")", _func); \
} \
else \
{ \
BX_TRACE("wgl %p " #_func " (" #_import ")", _func); \
} \
BGFX_FATAL(_optional || NULL != _func, Fatal::UnableToInitialize, "Failed to create OpenGL context. wglGetProcAddress(\"%s\")", #_import); \
} \
}
# include "glimports.h"
# undef GL_IMPORT
}
} // namespace bgfx