Add the generator and build infrastructure.

Not actually working yet, but it's a snapshot to start from.

4 files changed, 179 insertions, 0 deletions

diff --git a/include/epoxy/gl.h b/include/epoxy/gl.h
new file mode 100644
index 0000000..2b3bbaf
--- /dev/null
+++ b/include/epoxy/gl.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/** @file gl.h
+ *
+ * Provides an implementation of a GL dispatch layer using a hidden
+ * vtable.
+ *
+ * This is a lower performance path than ifuncs when they are
+ * available, but it is required if you might have multiple return
+ * values for GetProcAddress/dlsym()ed functions.  That is the case if
+ * you're using WGL (which can return different function pointers per
+ * context), or if you dlclose() and re-dlopen() libGL (which means
+ * you'll get different dynamically allocated dispatch stubs).
+ */
+
+#ifndef __EPOXY_GL_H
+#define __EPOXY_GL_H
+
+#if defined(__gl_h_) || defined(__glext_h_)
+#error epoxy/gl.h must be included before (or in place of) GL/gl.h
+#else
+#define __gl_h_
+#define __glext_h_
+#endif
+
+
+#include "epoxy/gl_common.h"
+#include "epoxy/gl_generated.h"
+#include "epoxy/gl_generated_vtable_defines.h"
+
+#endif /* __EPOXY_GL_H */
diff --git a/include/epoxy/gl_common.h b/include/epoxy/gl_common.h
new file mode 100644
index 0000000..991fe98
--- /dev/null
+++ b/include/epoxy/gl_common.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/** @file gl_common.h
+ *
+ * Provides prototypes for epoxy GL functions independent of dispatch mechanism.
+ */
+
+#ifndef EPOXY_GL_COMMON_H
+#define EPOXY_GL_COMMON_H
+
+#include <stdbool.h>
+
+bool epoxy_has_gl_extension(const char *extension);
+int epoxy_gl_version(void);
+
+#endif /* EPOXY_GL_COMMON_H */
+
diff --git a/include/epoxy/glx.h b/include/epoxy/glx.h
new file mode 100644
index 0000000..215cd2a
--- /dev/null
+++ b/include/epoxy/glx.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/** @file glx.h
+ *
+ * Provides an implementation of a GLX dispatch layer using a hidden
+ * vtable.
+ *
+ * This is a lower performance path than ifuncs when they are
+ * available, but it is required if you might have multiple return
+ * values for GetProcAddress/dlsym()ed functions (for example, if you
+ * unload libGL.so.1).
+ */
+
+#ifndef __EPOXY_GLX_H
+#define __EPOXY_GLX_H
+
+#if defined(__glx_h_) || defined(__glxext_h_)
+#error epoxy/glx.h must be included before (or in place of) GL/glx.h
+#else
+#define __glext_h_
+#define __glxext_h_
+#endif
+
+#pragma once
+
+#include "epoxy/glx_common.h"
+#include "epoxy/glx_generated.h"
+#include "epoxy/glx_generated_vtable_defines.h"
+
+#endif /* __EPOXY_GLX_H */
diff --git a/include/epoxy/glx_common.h b/include/epoxy/glx_common.h
new file mode 100644
index 0000000..cee9f51
--- /dev/null
+++ b/include/epoxy/glx_common.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/** @file gl_common.h
+ *
+ * Provides prototypes for epoxy GL functions independent of dispatch mechanism.
+ */
+
+#ifndef EPOXY_GLX_COMMON_H
+#define EPOXY_GLX_COMMON_H
+
+#include <stdbool.h>
+
+bool epoxy_has_glx_extension(const char *extension);
+int epoxy_glx_version(void);
+
+#endif /* EPOXY_GLX_COMMON_H */
+