diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 1e5a272165..3aa8deb63c 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -536,6 +536,10 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300) UTIL_FORMAT_SWIZZLE_X }; + /* The KIL opcode fix, see below. */ + if (!count && !r300->screen->caps.is_r500) + count = 1; + state->tx_enable = 0; state->count = 0; size = 2; @@ -615,6 +619,36 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300) size += 16; state->count = i+1; + } else { + /* For the KIL opcode to work on r3xx-r4xx, the texture unit + * assigned to this opcode (it's always the first one) must be + * enabled. Otherwise the opcode doesn't work. + * + * In order to not depend on the fragment shader, we just make + * the first unit enabled all the time. */ + if (i == 0 && !r300->screen->caps.is_r500) { + pipe_sampler_view_reference( + (struct pipe_sampler_view**)&state->sampler_views[i], + &r300->texkill_sampler->base); + + state->tx_enable |= 1 << i; + + texstate = &state->regs[i]; + + /* Just set some valid state. */ + texstate->format = r300->texkill_sampler->format; + texstate->filter0 = + r300_translate_tex_filters(PIPE_TEX_FILTER_NEAREST, + PIPE_TEX_FILTER_NEAREST, + PIPE_TEX_FILTER_NEAREST, + FALSE); + texstate->filter1 = 0; + texstate->border_color = 0; + + texstate->filter0 |= i << 28; + size += 16; + state->count = i+1; + } } } |