[Mesa-dev] [PATCH 1/6] Float fbconfigs exchange patch [1/6] Improved handling of renderType attribute in GLX structures.

[Czarnowski, Daniel]

>From bf60ddd081bd66d1364bf7973e664af46335dfd6 Mon Sep 17 00:00:00 2001
From: Daniel Czarnowski <daniel.czarnowski at intel.com>
Date: Wed, 16 Oct 2013 13:35:20 +0200
Subject: [PATCH] Support of GLX_RGBA*_FLOAT_BIT*, and correct setting of the
flags. Also commented each renderType use with information
which (fbconfig or context) RENDER_TYPE it is.

---
glx/createcontext.c |    2 ++
glx/glxext.h        |   15 +++++++++++++++
2 files changed, 17 insertions(+)

diff --git a/glx/createcontext.c b/glx/createcontext.c
index 13d21cc..41ecd11 100644
--- a/glx/createcontext.c
+++ b/glx/createcontext.c
@@ -68,6 +68,8 @@ validate_render_type(uint32_t render_type)
     switch (render_type) {
     case GLX_RGBA_TYPE:
     case GLX_COLOR_INDEX_TYPE:
+    case GLX_RGBA_FLOAT_TYPE_ARB:
+    case GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT:
         return True;
     default:
         return False;
diff --git a/glx/glxext.h b/glx/glxext.h
index 9b0978b..2d67af3 100644
--- a/glx/glxext.h
+++ b/glx/glxext.h
@@ -35,6 +35,21 @@
  * Silicon Graphics, Inc.
  */
+// doing #include <GL/glx.h> & #include <GL/glxext.h> could cause problems with
+// overlapping definitions, so let's use the easy way
+#ifndef GLX_RGBA_FLOAT_BIT_ARB
+#define GLX_RGBA_FLOAT_BIT_ARB             0x00000004
+#endif
+#ifndef GLX_RGBA_FLOAT_TYPE_ARB
+#define GLX_RGBA_FLOAT_TYPE_ARB            0x20B9
+#endif
+#ifndef GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
+#define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT    0x00000008
+#endif
+#ifndef GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
+#define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT   0x20B1
+#endif
+
extern GLboolean __glXFreeContext(__GLXcontext * glxc);
extern void __glXFlushContextCache(void);
--
1.7.10.4

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