Mesa (master): r300g: fix the WRAP_T mode when using 1D textures
Corbin Simpson
csimpson at kemper.freedesktop.org
Wed Oct 28 19:21:34 UTC 2009
Module: Mesa
Branch: master
Commit: a1d726aae8fcacfa1eb1d76ce9c46adaafeaf4a4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a1d726aae8fcacfa1eb1d76ce9c46adaafeaf4a4
Author: Marek Olšák <maraeo at gmail.com>
Date: Wed Oct 28 02:21:49 2009 +0100
r300g: fix the WRAP_T mode when using 1D textures
Signed-off-by: Corbin Simpson <MostAwesomeDude at gmail.com>
---
src/gallium/drivers/r300/r300_emit.c | 9 ++++++++-
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 096165a..8bfa293 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);
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