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authorEric Anholt <eric@anholt.net>2010-05-13 22:10:39 -0700
committerEric Anholt <eric@anholt.net>2010-05-14 11:27:59 -0700
commitf5bd48cf673456ffea730f28c9b95c6883399162 (patch)
tree39a092ab4e67e24b2ead7db2eb80b22e92dcb218 /src/mesa/drivers/dri/i965/brw_draw_upload.c
parent36eda76fea02130d30be6a5f0d83f04698da2853 (diff)
i965: Use R16G16B16A16_FLOAT for 3-component half-float.
The RGBX version isn't supported as a vertex input type, but since we force the last channel's value anyway, this should be fine. The only potential risk I see is in the limiter on VBO reads past the end of the buffer forcing the whole vertex to 0 when the A channel lands past the end. Fixes piglit draw-vertices-half-float.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_draw_upload.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw_upload.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index 8247faa36d..9cbff24863 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -59,7 +59,7 @@ static GLuint half_float_types[5] = {
0,
BRW_SURFACEFORMAT_R16_FLOAT,
BRW_SURFACEFORMAT_R16G16_FLOAT,
- 0, /* can't seem to render this one */
+ BRW_SURFACEFORMAT_R16G16B16A16_FLOAT,
BRW_SURFACEFORMAT_R16G16B16A16_FLOAT
};