a985d61e42
Add support for REGAL_LOAD_GL, REGAL_LOAD_ES2 and REGAL_LOAD_EGL for loading specific system GL/GLX/WGL/EGL libraries. Tidy-up for RegalContextInfo codegen. Mac XCode project udpates.
69 lines
1.6 KiB
Python
69 lines
1.6 KiB
Python
#!/usr/bin/python -B
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formulae = {
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'wglGetProcAddress' : {
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'entries' : [ '(wglGetProcAddress)()' ],
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'impl' : '''
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//
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// wglGetProcAddress returns NULL for unsupported
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// entry points. Here we need Regal to behave
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// similarly depending on what's emulated.
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//
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// Regal-only and ES 1.0 aliased functions are
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// always provided by Regal
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// ret = Lookup::regal_Lookup<PROC>(${arg0});
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// if (ret)
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// return ret;
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// Ask the back-end driver if the entry point
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// is available. If not, return NULL
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//
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// TODO - we need to query ContextInfo and
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// EmulationInfo here instead.
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ret = _next->call(&_next->${m1}${m2})(${arg0});
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if (!ret)
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return NULL;
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// Return the Regal implementation of the entry
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// point, either GL or WGL
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ret = Lookup::gl_Lookup<PROC>(${arg0});
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if (ret)
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return ret;
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ret = Lookup::wgl_Lookup<PROC>(${arg0});
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if (ret)
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return ret;
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// As a last resort, dispatch the lookup to
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// the global dispatch stack...
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'''
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},
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'glXGetProcAddress' : {
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'entries' : [ '(glXGetProcAddress)(|ARB)' ],
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'impl' : '''
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ret = Lookup::gl_Lookup<__GLXextFuncPtr>(reinterpret_cast<const char *>(${arg0}));
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if (ret)
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return ret;
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ret = Lookup::glx_Lookup<__GLXextFuncPtr>(reinterpret_cast<const char *>(${arg0}));
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if (ret)
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return ret;
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'''
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},
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'eglGetProcAddress' : {
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'entries' : [ '(eglGetProcAddress)(|ARB)' ],
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'impl' : '''
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ret = Lookup::gl_Lookup<__eglMustCastToProperFunctionPointerType>(reinterpret_cast<const char *>(${arg0}));
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if (ret)
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return ret;
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ret = Lookup::egl_Lookup<__eglMustCastToProperFunctionPointerType>(reinterpret_cast<const char *>(${arg0}));
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if (ret)
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return ret;
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'''
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}
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}
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