Mesa (master): r300g: do not advertise half_float_vertex on rv3x0

Marek Olšák mareko at kemper.freedesktop.org
Tue Jul 13 04:32:39 UTC 2010


Module: Mesa
Branch: master
Commit: 2470750b4ef3deed441d017d2f5a72c830d881ec
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2470750b4ef3deed441d017d2f5a72c830d881ec

Author: Marek Olšák <maraeo at gmail.com>
Date:   Tue Jul 13 04:29:53 2010 +0200

r300g: do not advertise half_float_vertex on rv3x0

rv3x0 can't do it.

---

 src/gallium/drivers/r300/r300_screen.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index cad99ca..a3b0855 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -256,7 +256,6 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
     uint32_t retval = 0;
     boolean is_r500 = r300_screen(screen)->caps.is_r500;
     boolean is_r400 = r300_screen(screen)->caps.is_r400;
-    boolean is_rv350 = r300_screen(screen)->caps.is_rv350;
     boolean is_z24 = format == PIPE_FORMAT_X8Z24_UNORM ||
                      format == PIPE_FORMAT_S8_USCALED_Z24_UNORM;
     boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM ||
@@ -272,6 +271,7 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
                             format == PIPE_FORMAT_R16G16B16_FLOAT ||
                             format == PIPE_FORMAT_R16G16B16A16_FLOAT;
 
+    /* Check multisampling support. */
     switch (sample_count) {
         case 0:
         case 1:
@@ -326,7 +326,7 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
     /* Check vertex buffer format support. */
     if (usage & PIPE_BIND_VERTEX_BUFFER &&
         /* Half float is supported on >= RV350. */
-        (is_rv350 || !is_half_float) &&
+        (is_r400 || is_r500 || !is_half_float) &&
         r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) {
         retval |= PIPE_BIND_VERTEX_BUFFER;
     }




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