Complete rewrite of extension handling

[libs/gl.git] / source / arb_multitexture.cpp

diff --git a/source/arb_multitexture.cpp b/source/arb_multitexture.cpp
new file mode 100644 (file)
index 0000000..391b045
--- /dev/null
+++ b/source/arb_multitexture.cpp
@@ -0,0 +1,125 @@
+#include "arb_multitexture.h"
+
+namespace Msp {
+namespace GL {
+
+PFNGLACTIVETEXTUREPROC glActiveTexture = 0;
+PFNGLCLIENTACTIVETEXTUREPROC glClientActiveTexture = 0;
+PFNGLMULTITEXCOORD1DPROC glMultiTexCoord1d = 0;
+PFNGLMULTITEXCOORD1DVPROC glMultiTexCoord1dv = 0;
+PFNGLMULTITEXCOORD1FPROC glMultiTexCoord1f = 0;
+PFNGLMULTITEXCOORD1FVPROC glMultiTexCoord1fv = 0;
+PFNGLMULTITEXCOORD1IPROC glMultiTexCoord1i = 0;
+PFNGLMULTITEXCOORD1IVPROC glMultiTexCoord1iv = 0;
+PFNGLMULTITEXCOORD1SPROC glMultiTexCoord1s = 0;
+PFNGLMULTITEXCOORD1SVPROC glMultiTexCoord1sv = 0;
+PFNGLMULTITEXCOORD2DPROC glMultiTexCoord2d = 0;
+PFNGLMULTITEXCOORD2DVPROC glMultiTexCoord2dv = 0;
+PFNGLMULTITEXCOORD2FPROC glMultiTexCoord2f = 0;
+PFNGLMULTITEXCOORD2FVPROC glMultiTexCoord2fv = 0;
+PFNGLMULTITEXCOORD2IPROC glMultiTexCoord2i = 0;
+PFNGLMULTITEXCOORD2IVPROC glMultiTexCoord2iv = 0;
+PFNGLMULTITEXCOORD2SPROC glMultiTexCoord2s = 0;
+PFNGLMULTITEXCOORD2SVPROC glMultiTexCoord2sv = 0;
+PFNGLMULTITEXCOORD3DPROC glMultiTexCoord3d = 0;
+PFNGLMULTITEXCOORD3DVPROC glMultiTexCoord3dv = 0;
+PFNGLMULTITEXCOORD3FPROC glMultiTexCoord3f = 0;
+PFNGLMULTITEXCOORD3FVPROC glMultiTexCoord3fv = 0;
+PFNGLMULTITEXCOORD3IPROC glMultiTexCoord3i = 0;
+PFNGLMULTITEXCOORD3IVPROC glMultiTexCoord3iv = 0;
+PFNGLMULTITEXCOORD3SPROC glMultiTexCoord3s = 0;
+PFNGLMULTITEXCOORD3SVPROC glMultiTexCoord3sv = 0;
+PFNGLMULTITEXCOORD4DPROC glMultiTexCoord4d = 0;
+PFNGLMULTITEXCOORD4DVPROC glMultiTexCoord4dv = 0;
+PFNGLMULTITEXCOORD4FPROC glMultiTexCoord4f = 0;
+PFNGLMULTITEXCOORD4FVPROC glMultiTexCoord4fv = 0;
+PFNGLMULTITEXCOORD4IPROC glMultiTexCoord4i = 0;
+PFNGLMULTITEXCOORD4IVPROC glMultiTexCoord4iv = 0;
+PFNGLMULTITEXCOORD4SPROC glMultiTexCoord4s = 0;
+PFNGLMULTITEXCOORD4SVPROC glMultiTexCoord4sv = 0;
+
+Extension::SupportLevel init_arb_multitexture()
+{
+       if(is_version_at_least(1, 3))
+       {
+               glActiveTexture = reinterpret_cast<PFNGLACTIVETEXTUREPROC>(get_proc_address("glActiveTexture"));
+               glClientActiveTexture = reinterpret_cast<PFNGLCLIENTACTIVETEXTUREPROC>(get_proc_address("glClientActiveTexture"));
+               glMultiTexCoord1d = reinterpret_cast<PFNGLMULTITEXCOORD1DPROC>(get_proc_address("glMultiTexCoord1d"));
+               glMultiTexCoord1dv = reinterpret_cast<PFNGLMULTITEXCOORD1DVPROC>(get_proc_address("glMultiTexCoord1dv"));
+               glMultiTexCoord1f = reinterpret_cast<PFNGLMULTITEXCOORD1FPROC>(get_proc_address("glMultiTexCoord1f"));
+               glMultiTexCoord1fv = reinterpret_cast<PFNGLMULTITEXCOORD1FVPROC>(get_proc_address("glMultiTexCoord1fv"));
+               glMultiTexCoord1i = reinterpret_cast<PFNGLMULTITEXCOORD1IPROC>(get_proc_address("glMultiTexCoord1i"));
+               glMultiTexCoord1iv = reinterpret_cast<PFNGLMULTITEXCOORD1IVPROC>(get_proc_address("glMultiTexCoord1iv"));
+               glMultiTexCoord1s = reinterpret_cast<PFNGLMULTITEXCOORD1SPROC>(get_proc_address("glMultiTexCoord1s"));
+               glMultiTexCoord1sv = reinterpret_cast<PFNGLMULTITEXCOORD1SVPROC>(get_proc_address("glMultiTexCoord1sv"));
+               glMultiTexCoord2d = reinterpret_cast<PFNGLMULTITEXCOORD2DPROC>(get_proc_address("glMultiTexCoord2d"));
+               glMultiTexCoord2dv = reinterpret_cast<PFNGLMULTITEXCOORD2DVPROC>(get_proc_address("glMultiTexCoord2dv"));
+               glMultiTexCoord2f = reinterpret_cast<PFNGLMULTITEXCOORD2FPROC>(get_proc_address("glMultiTexCoord2f"));
+               glMultiTexCoord2fv = reinterpret_cast<PFNGLMULTITEXCOORD2FVPROC>(get_proc_address("glMultiTexCoord2fv"));
+               glMultiTexCoord2i = reinterpret_cast<PFNGLMULTITEXCOORD2IPROC>(get_proc_address("glMultiTexCoord2i"));
+               glMultiTexCoord2iv = reinterpret_cast<PFNGLMULTITEXCOORD2IVPROC>(get_proc_address("glMultiTexCoord2iv"));
+               glMultiTexCoord2s = reinterpret_cast<PFNGLMULTITEXCOORD2SPROC>(get_proc_address("glMultiTexCoord2s"));
+               glMultiTexCoord2sv = reinterpret_cast<PFNGLMULTITEXCOORD2SVPROC>(get_proc_address("glMultiTexCoord2sv"));
+               glMultiTexCoord3d = reinterpret_cast<PFNGLMULTITEXCOORD3DPROC>(get_proc_address("glMultiTexCoord3d"));
+               glMultiTexCoord3dv = reinterpret_cast<PFNGLMULTITEXCOORD3DVPROC>(get_proc_address("glMultiTexCoord3dv"));
+               glMultiTexCoord3f = reinterpret_cast<PFNGLMULTITEXCOORD3FPROC>(get_proc_address("glMultiTexCoord3f"));
+               glMultiTexCoord3fv = reinterpret_cast<PFNGLMULTITEXCOORD3FVPROC>(get_proc_address("glMultiTexCoord3fv"));
+               glMultiTexCoord3i = reinterpret_cast<PFNGLMULTITEXCOORD3IPROC>(get_proc_address("glMultiTexCoord3i"));
+               glMultiTexCoord3iv = reinterpret_cast<PFNGLMULTITEXCOORD3IVPROC>(get_proc_address("glMultiTexCoord3iv"));
+               glMultiTexCoord3s = reinterpret_cast<PFNGLMULTITEXCOORD3SPROC>(get_proc_address("glMultiTexCoord3s"));
+               glMultiTexCoord3sv = reinterpret_cast<PFNGLMULTITEXCOORD3SVPROC>(get_proc_address("glMultiTexCoord3sv"));
+               glMultiTexCoord4d = reinterpret_cast<PFNGLMULTITEXCOORD4DPROC>(get_proc_address("glMultiTexCoord4d"));
+               glMultiTexCoord4dv = reinterpret_cast<PFNGLMULTITEXCOORD4DVPROC>(get_proc_address("glMultiTexCoord4dv"));
+               glMultiTexCoord4f = reinterpret_cast<PFNGLMULTITEXCOORD4FPROC>(get_proc_address("glMultiTexCoord4f"));
+               glMultiTexCoord4fv = reinterpret_cast<PFNGLMULTITEXCOORD4FVPROC>(get_proc_address("glMultiTexCoord4fv"));
+               glMultiTexCoord4i = reinterpret_cast<PFNGLMULTITEXCOORD4IPROC>(get_proc_address("glMultiTexCoord4i"));
+               glMultiTexCoord4iv = reinterpret_cast<PFNGLMULTITEXCOORD4IVPROC>(get_proc_address("glMultiTexCoord4iv"));
+               glMultiTexCoord4s = reinterpret_cast<PFNGLMULTITEXCOORD4SPROC>(get_proc_address("glMultiTexCoord4s"));
+               glMultiTexCoord4sv = reinterpret_cast<PFNGLMULTITEXCOORD4SVPROC>(get_proc_address("glMultiTexCoord4sv"));
+               return Extension::CORE;
+       }
+       if(is_supported("GL_ARB_multitexture"))
+       {
+               glActiveTexture = reinterpret_cast<PFNGLACTIVETEXTUREPROC>(get_proc_address("glActiveTextureARB"));
+               glClientActiveTexture = reinterpret_cast<PFNGLCLIENTACTIVETEXTUREPROC>(get_proc_address("glClientActiveTextureARB"));
+               glMultiTexCoord1d = reinterpret_cast<PFNGLMULTITEXCOORD1DPROC>(get_proc_address("glMultiTexCoord1dARB"));
+               glMultiTexCoord1dv = reinterpret_cast<PFNGLMULTITEXCOORD1DVPROC>(get_proc_address("glMultiTexCoord1dvARB"));
+               glMultiTexCoord1f = reinterpret_cast<PFNGLMULTITEXCOORD1FPROC>(get_proc_address("glMultiTexCoord1fARB"));
+               glMultiTexCoord1fv = reinterpret_cast<PFNGLMULTITEXCOORD1FVPROC>(get_proc_address("glMultiTexCoord1fvARB"));
+               glMultiTexCoord1i = reinterpret_cast<PFNGLMULTITEXCOORD1IPROC>(get_proc_address("glMultiTexCoord1iARB"));
+               glMultiTexCoord1iv = reinterpret_cast<PFNGLMULTITEXCOORD1IVPROC>(get_proc_address("glMultiTexCoord1ivARB"));
+               glMultiTexCoord1s = reinterpret_cast<PFNGLMULTITEXCOORD1SPROC>(get_proc_address("glMultiTexCoord1sARB"));
+               glMultiTexCoord1sv = reinterpret_cast<PFNGLMULTITEXCOORD1SVPROC>(get_proc_address("glMultiTexCoord1svARB"));
+               glMultiTexCoord2d = reinterpret_cast<PFNGLMULTITEXCOORD2DPROC>(get_proc_address("glMultiTexCoord2dARB"));
+               glMultiTexCoord2dv = reinterpret_cast<PFNGLMULTITEXCOORD2DVPROC>(get_proc_address("glMultiTexCoord2dvARB"));
+               glMultiTexCoord2f = reinterpret_cast<PFNGLMULTITEXCOORD2FPROC>(get_proc_address("glMultiTexCoord2fARB"));
+               glMultiTexCoord2fv = reinterpret_cast<PFNGLMULTITEXCOORD2FVPROC>(get_proc_address("glMultiTexCoord2fvARB"));
+               glMultiTexCoord2i = reinterpret_cast<PFNGLMULTITEXCOORD2IPROC>(get_proc_address("glMultiTexCoord2iARB"));
+               glMultiTexCoord2iv = reinterpret_cast<PFNGLMULTITEXCOORD2IVPROC>(get_proc_address("glMultiTexCoord2ivARB"));
+               glMultiTexCoord2s = reinterpret_cast<PFNGLMULTITEXCOORD2SPROC>(get_proc_address("glMultiTexCoord2sARB"));
+               glMultiTexCoord2sv = reinterpret_cast<PFNGLMULTITEXCOORD2SVPROC>(get_proc_address("glMultiTexCoord2svARB"));
+               glMultiTexCoord3d = reinterpret_cast<PFNGLMULTITEXCOORD3DPROC>(get_proc_address("glMultiTexCoord3dARB"));
+               glMultiTexCoord3dv = reinterpret_cast<PFNGLMULTITEXCOORD3DVPROC>(get_proc_address("glMultiTexCoord3dvARB"));
+               glMultiTexCoord3f = reinterpret_cast<PFNGLMULTITEXCOORD3FPROC>(get_proc_address("glMultiTexCoord3fARB"));
+               glMultiTexCoord3fv = reinterpret_cast<PFNGLMULTITEXCOORD3FVPROC>(get_proc_address("glMultiTexCoord3fvARB"));
+               glMultiTexCoord3i = reinterpret_cast<PFNGLMULTITEXCOORD3IPROC>(get_proc_address("glMultiTexCoord3iARB"));
+               glMultiTexCoord3iv = reinterpret_cast<PFNGLMULTITEXCOORD3IVPROC>(get_proc_address("glMultiTexCoord3ivARB"));
+               glMultiTexCoord3s = reinterpret_cast<PFNGLMULTITEXCOORD3SPROC>(get_proc_address("glMultiTexCoord3sARB"));
+               glMultiTexCoord3sv = reinterpret_cast<PFNGLMULTITEXCOORD3SVPROC>(get_proc_address("glMultiTexCoord3svARB"));
+               glMultiTexCoord4d = reinterpret_cast<PFNGLMULTITEXCOORD4DPROC>(get_proc_address("glMultiTexCoord4dARB"));
+               glMultiTexCoord4dv = reinterpret_cast<PFNGLMULTITEXCOORD4DVPROC>(get_proc_address("glMultiTexCoord4dvARB"));
+               glMultiTexCoord4f = reinterpret_cast<PFNGLMULTITEXCOORD4FPROC>(get_proc_address("glMultiTexCoord4fARB"));
+               glMultiTexCoord4fv = reinterpret_cast<PFNGLMULTITEXCOORD4FVPROC>(get_proc_address("glMultiTexCoord4fvARB"));
+               glMultiTexCoord4i = reinterpret_cast<PFNGLMULTITEXCOORD4IPROC>(get_proc_address("glMultiTexCoord4iARB"));
+               glMultiTexCoord4iv = reinterpret_cast<PFNGLMULTITEXCOORD4IVPROC>(get_proc_address("glMultiTexCoord4ivARB"));
+               glMultiTexCoord4s = reinterpret_cast<PFNGLMULTITEXCOORD4SPROC>(get_proc_address("glMultiTexCoord4sARB"));
+               glMultiTexCoord4sv = reinterpret_cast<PFNGLMULTITEXCOORD4SVPROC>(get_proc_address("glMultiTexCoord4svARB"));
+               return Extension::EXTENSION;
+       }
+       return Extension::UNSUPPORTED;
+}
+
+Extension ARB_multitexture("GL_ARB_multitexture", init_arb_multitexture);
+
+} // namespace GL
+} // namespace Msp