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path: root/src/gallium/drivers/r300/r300_emit.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r--src/gallium/drivers/r300/r300_emit.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 6d702c00272..ad7dff36bea 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -583,6 +583,8 @@ void r300_emit_texture(struct r300_context* r300,
unsigned offset)
{
uint32_t filter0 = sampler->filter0;
+ uint32_t format0 = tex->state.format0;
+ unsigned min_level, max_level;
CS_LOCALS(r300);
/* to emulate 1D textures through 2D ones correctly */
@@ -591,13 +593,20 @@ void r300_emit_texture(struct r300_context* r300,
filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
}
+ /* determine min/max levels */
+ /* the MAX_MIP level is the largest (finest) one */
+ max_level = MIN2(sampler->max_lod, tex->tex.last_level);
+ min_level = MIN2(sampler->min_lod, max_level);
+ format0 |= R300_TX_NUM_LEVELS(max_level);
+ filter0 |= R300_TX_MAX_MIP_LEVEL(min_level);
+
BEGIN_CS(16);
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);
- OUT_CS_REG(R300_TX_FORMAT0_0 + (offset * 4), tex->state.format0);
+ OUT_CS_REG(R300_TX_FORMAT0_0 + (offset * 4), format0);
OUT_CS_REG(R300_TX_FORMAT1_0 + (offset * 4), tex->state.format1);
OUT_CS_REG(R300_TX_FORMAT2_0 + (offset * 4), tex->state.format2);
OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (offset * 4), 1);