commit 2785f2f2d7b1397b265f1f1ef7158dc728ae42f5
author Tim Rowley <timothy.o.rowley@intel.com> Thu May 12 11:27:57 2016 -0500
committer Tim Rowley <timothy.o.rowley@intel.com> Thu May 12 14:12:18 2016 -0500
tree 3cd51a032ba211275514d94bc16bbe9806dfd96e
parent 5186545d668e0edb8e0a5276de5de18188b8fdc5

swr: properly expose compressed format support

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

src/gallium/auxiliary/util/u_format_s3tc.h

diff --git a/src/gallium/auxiliary/util/u_format_s3tc.h b/src/gallium/auxiliary/util/u_format_s3tc.h
index 97770ab..ae20010 100644
--- a/src/gallium/auxiliary/util/u_format_s3tc.h
+++ b/src/gallium/auxiliary/util/u_format_s3tc.h
@@ -32,6 +32,9 @@
 
 #include "pipe/p_compiler.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 enum util_format_dxtn {
   UTIL_FORMAT_DXT1_RGB = 0x83F0,
@@ -214,5 +217,8 @@
 void
 util_format_dxt5_srgba_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j);
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* U_FORMAT_S3TC_H_ */

src/gallium/drivers/swr/swr_screen.cpp

diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp
index daee05a..3d280e3 100644
--- a/src/gallium/drivers/swr/swr_screen.cpp
+++ b/src/gallium/drivers/swr/swr_screen.cpp
@@ -27,6 +27,7 @@
 #include "util/u_format.h"
 #include "util/u_inlines.h"
 #include "util/u_cpu_detect.h"
+#include "util/u_format_s3tc.h"
 
 #include "state_tracker/sw_winsys.h"
 
@@ -128,6 +129,20 @@
          return FALSE;
    }
 
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
+       format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
+      return FALSE;
+   }
+
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
+       format != PIPE_FORMAT_ETC1_RGB8) {
+      return FALSE;
+   }
+
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
+      return util_format_s3tc_enabled;
+   }
+
    return TRUE;
 }
 
@@ -735,6 +750,8 @@
 
    swr_fence_init(&screen->base);
 
+   util_format_s3tc_init();
+
    return &screen->base;
 }