[PATCH] Replaces old use of floatMode attribute with new, extended range of values in __DRI_ATTRIB_RENDER_TYPE. Also adds new conditions, where the float modes support requires it. Enables support for not only float configs, but packed float configs as well.

[Daniel Czarnowski]

---
 configure.ac           |    2 +-
 glx/glxdricommon.c     |   30 ++++++++++++++++++++++++++++--
 hw/xwin/glx/indirect.c |    4 +++-
 3 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index c6ecba4..569cfc6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -809,7 +809,7 @@ LIBAPPLEWM="applewm >= 1.4"
 LIBDMX="dmx >= 1.0.99.1"
 LIBDRI="dri >= 7.8.0"
 LIBDRM="libdrm >= 2.3.0"
-LIBGL="gl >= 7.1.0"
+LIBGL="gl >= 9.2.0"
 LIBXEXT="xext >= 1.0.99.4"
 LIBXFONT="xfont >= 1.4.2"
 LIBXI="xi >= 1.2.99.1"
diff --git a/glx/glxdricommon.c b/glx/glxdricommon.c
index b027f24..641cb68 100644
--- a/glx/glxdricommon.c
+++ b/glx/glxdricommon.c
@@ -36,6 +36,7 @@
 #include <GL/internal/dri_interface.h>
 #include <os.h>
 #include "glxserver.h"
+#include "glxext.h"
 #include "glxcontext.h"
 #include "glxscreens.h"
 #include "glxdricommon.h"
@@ -127,6 +128,7 @@ createModeFromConfig(const __DRIcoreExtension * core,
                      unsigned int visualType, unsigned int drawableType)
 {
     __GLXDRIconfig *config;
+    GLint renderType = 0;
     unsigned int attrib, value;
     int i;
 
@@ -140,9 +142,13 @@ createModeFromConfig(const __DRIcoreExtension * core,
         case __DRI_ATTRIB_RENDER_TYPE:
             config->config.renderType = 0;
             if (value & __DRI_ATTRIB_RGBA_BIT)
-                config->config.renderType |= GLX_RGBA_BIT;
+                renderType |= GLX_RGBA_BIT;
             if (value & __DRI_ATTRIB_COLOR_INDEX_BIT)
-                config->config.renderType |= GLX_COLOR_INDEX_BIT;
+                renderType |= GLX_COLOR_INDEX_BIT;
+            if (value & __DRI_ATTRIB_FLOAT_BIT)
+                renderType |= GLX_RGBA_FLOAT_BIT_ARB;
+            if (value & __DRI_ATTRIB_UNSIGNED_FLOAT_BIT)
+                renderType |= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT;
             break;
         case __DRI_ATTRIB_CONFIG_CAVEAT:
             if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
@@ -168,6 +174,9 @@ createModeFromConfig(const __DRIcoreExtension * core,
         }
     }
 
+    if (renderType) /* fbconfig render type are bit fields */
+        config->config.renderType = renderType;
+
     config->config.next = NULL;
     config->config.xRenderable = GL_TRUE;
     config->config.visualType = visualType;
@@ -187,6 +196,14 @@ glxConvertConfigs(const __DRIcoreExtension * core,
     head.next = NULL;
 
     for (i = 0; configs[i]; i++) {
+        /* Don't add float modes at all if we don't want pbuffer drawableTypes */
+        int renderType = 0;
+        if (core->getConfigAttrib(configs[i],__DRI_ATTRIB_RENDER_TYPE, &renderType)) {
+            if ((renderType & (__DRI_ATTRIB_UNSIGNED_FLOAT_BIT | __DRI_ATTRIB_FLOAT_BIT)) && 
+                !(drawableType & GLX_PBUFFER_BIT))
+                continue;
+        }
+        /* Add all the others */
         tail->next = createModeFromConfig(core,
                                           configs[i], GLX_TRUE_COLOR,
                                           drawableType);
@@ -197,6 +214,15 @@ glxConvertConfigs(const __DRIcoreExtension * core,
     }
 
     for (i = 0; configs[i]; i++) {
+        /* Don't add float modes at all if we don't want pbuffer drawableTypes */
+        int renderType = 0;
+        if (core->getConfigAttrib(configs[i],__DRI_ATTRIB_RENDER_TYPE, &renderType)) {
+            if ((renderType & (__DRI_ATTRIB_UNSIGNED_FLOAT_BIT |
+                __DRI_ATTRIB_FLOAT_BIT)) && 
+                !(drawableType & GLX_PBUFFER_BIT))
+                continue;
+        }
+        /* Add all the others */
         tail->next = createModeFromConfig(core,
                                           configs[i], GLX_DIRECT_COLOR,
                                           drawableType);
diff --git a/hw/xwin/glx/indirect.c b/hw/xwin/glx/indirect.c
index 14a4711..e389499 100644
--- a/hw/xwin/glx/indirect.c
+++ b/hw/xwin/glx/indirect.c
@@ -386,7 +386,9 @@ fbConfigsDump(unsigned int n, __GLXconfig * c)
                c->accumAlphaBits, c->sampleBuffers, c->samples,
                (c->drawableType & GLX_WINDOW_BIT) ? "y" : ".",
                (c->drawableType & GLX_PIXMAP_BIT) ? "y" : ".",
-               (c->drawableType & GLX_PBUFFER_BIT) ? "y" : ".", ".",
+               (c->drawableType & GLX_PBUFFER_BIT) ? "y" : ".",
+               (c->renderType & (GLX_RGBA_FLOAT_BIT_ARB |
+                   GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT)) ? "y" : ".",
                (c->transparentPixel != GLX_NONE_EXT) ? "y" : ".",
                c->visualSelectGroup,
                (c->visualRating == GLX_SLOW_VISUAL_EXT) ? "*" : " ");
-- 
1.7.10.4

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