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path: root/src/mesa/drivers/dri/r300/r300_state.c
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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_state.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_state.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 3c6e544730..050e8cd2a7 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -1253,6 +1253,7 @@ static GLuint translate_lod_bias(GLfloat bias)
return (((GLuint)b) << R300_LOD_BIAS_SHIFT) & R300_LOD_BIAS_MASK;
}
+
static void r300SetupTextures(GLcontext * ctx)
{
int i, mtu;
@@ -1345,6 +1346,28 @@ static void r300SetupTextures(GLcontext * ctx)
}
}
+ /* R3xx and R4xx chips require that the texture unit corresponding to
+ * KIL instructions is really enabled.
+ *
+ * We do some fakery here and in the state atom emit logic to enable
+ * the texture without tripping up the CS checker in the kernel.
+ */
+ if (r300->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV515) {
+ if (ctx->FragmentProgram._Current->UsesKill && last_hw_tmu < 0) {
+ last_hw_tmu++;
+
+ r300->hw.txe.cmd[R300_TXE_ENABLE] |= 1;
+
+ r300->hw.tex.border_color.cmd[R300_TEX_VALUE_0] = 0;
+ r300->hw.tex.chroma_key.cmd[R300_TEX_VALUE_0] = 0;
+ r300->hw.tex.filter.cmd[R300_TEX_VALUE_0] = 0;
+ r300->hw.tex.filter_1.cmd[R300_TEX_VALUE_0] = 0;
+ r300->hw.tex.size.cmd[R300_TEX_VALUE_0] = 0; /* 1x1 texture */
+ r300->hw.tex.format.cmd[R300_TEX_VALUE_0] = 0; /* A8 format */
+ r300->hw.tex.pitch.cmd[R300_TEX_VALUE_0] = 0;
+ }
+ }
+
r300->hw.tex.filter.cmd[R300_TEX_CMD_0] =
cmdpacket0(r300->radeon.radeonScreen, R300_TX_FILTER0_0, last_hw_tmu + 1);
r300->hw.tex.filter_1.cmd[R300_TEX_CMD_0] =
@@ -1362,16 +1385,6 @@ static void r300SetupTextures(GLcontext * ctx)
r300->hw.tex.border_color.cmd[R300_TEX_CMD_0] =
cmdpacket0(r300->radeon.radeonScreen, R300_TX_BORDER_COLOR_0, last_hw_tmu + 1);
- if (r300->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV515) {
- if (ctx->FragmentProgram._Current->UsesKill && last_hw_tmu < 0) {
- // The KILL operation requires the first texture unit
- // to be enabled.
- r300->hw.txe.cmd[R300_TXE_ENABLE] |= 1;
- r300->hw.tex.filter.cmd[R300_TEX_VALUE_0] = 0;
- r300->hw.tex.filter.cmd[R300_TEX_CMD_0] =
- cmdpacket0(r300->radeon.radeonScreen, R300_TX_FILTER0_0, 1);
- }
- }
r300->vtbl.SetupFragmentShaderTextures(ctx, tmu_mappings);
if (RADEON_DEBUG & DEBUG_STATE)