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authorMarek Olšák <maraeo@gmail.com>2009-10-28 02:21:49 +0100
committerCorbin Simpson <MostAwesomeDude@gmail.com>2009-10-28 12:15:34 -0700
commita1d726aae8fcacfa1eb1d76ce9c46adaafeaf4a4 (patch)
treee1179b059c5f54326abd463908fd8f6230ff2ac7 /src/gallium/drivers
parent0e44884aada4e4bd6384245d9ae065da5aca7f3d (diff)
r300g: fix the WRAP_T mode when using 1D textures
Signed-off-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/r300/r300_emit.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 096165a292..8bfa2932c9 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -532,10 +532,17 @@ void r300_emit_texture(struct r300_context* r300,
struct r300_texture* tex,
unsigned offset)
{
+ uint32_t filter0 = sampler->filter0;
CS_LOCALS(r300);
+ /* to emulate 1D textures through 2D ones correctly */
+ if (tex->tex.height[0] == 1) {
+ filter0 &= ~R300_TX_WRAP_T_MASK;
+ filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
+ }
+
BEGIN_CS(16);
- OUT_CS_REG(R300_TX_FILTER0_0 + (offset * 4), sampler->filter0 |
+ OUT_CS_REG(R300_TX_FILTER0_0 + (offset * 4), filter0 |
(offset << 28));
OUT_CS_REG(R300_TX_FILTER1_0 + (offset * 4), sampler->filter1);
OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (offset * 4), sampler->border_color);