Introduce .editorconfig

[mesa.git] / src / gallium / drivers / r600 / r600_formats.h

diff --git a/src/gallium/drivers/r600/r600_formats.h b/src/gallium/drivers/r600/r600_formats.h
index ae0bc432ad23b3e77e04fa5568204ef3bf261f4e..9533aaa137853e2d1070088682f4c6d72eb1d8a6 100644 (file)
--- a/src/gallium/drivers/r600/r600_formats.h
+++ b/src/gallium/drivers/r600/r600_formats.h
@@ -1,6 +1,7 @@
 #ifndef R600_FORMATS_H
 #define R600_FORMATS_H
 
+#include "util/u_format.h"
 #include "r600_pipe.h"
 
 /* list of formats from R700 ISA document - apply across GPUs in different registers */
@@ -63,7 +64,7 @@
 #define     ENDIAN_8IN32                    2
 #define     ENDIAN_8IN64                    3
 
-static INLINE unsigned r600_endian_swap(unsigned size)
+static inline unsigned r600_endian_swap(unsigned size)
 {
        if (R600_BIG_ENDIAN) {
                switch (size) {
@@ -81,4 +82,40 @@ static INLINE unsigned r600_endian_swap(unsigned size)
        }
 }
 
+static inline bool r600_is_vertex_format_supported(enum pipe_format format)
+{
+       const struct util_format_description *desc = util_format_description(format);
+       unsigned i;
+
+       if (format == PIPE_FORMAT_R11G11B10_FLOAT)
+               return true;
+
+       if (!desc)
+               return false;
+
+       /* Find the first non-VOID channel. */
+       for (i = 0; i < 4; i++) {
+               if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID)
+                       break;
+       }
+       if (i == 4)
+               return false;
+
+       /* No fixed, no double. */
+       if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN ||
+           (desc->channel[i].size == 64 &&
+            desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) ||
+           desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
+               return false;
+
+       /* No scaled/norm formats with 32 bits per channel. */
+       if (desc->channel[i].size == 32 &&
+           !desc->channel[i].pure_integer &&
+           (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
+            desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED))
+               return false;
+
+       return true;
+}
+
 #endif