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gallivm: Fetch the lod from the dynamic state when min_lod == max_lod.

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This commit is contained in:
José Fonseca 2010-09-25 12:13:45 +01:00
parent 998cf11e13
commit 2a8d1fd3ce
2 changed files with 4 additions and 5 deletions
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8
src/gallium/auxiliary/gallivm/lp_bld_sample.c
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@ -104,7 +104,6 @@ lp_sampler_static_state(struct lp_sampler_static_state *state,
*/
if (sampler->min_lod == sampler->max_lod) {
state->min_max_lod_equal = 1;
state->min_max_lod = sampler->min_lod;
}
state->compare_mode = sampler->compare_mode;
@ -145,18 +144,19 @@ lp_build_lod_selector(struct lp_build_sample_context *bld,
LLVMValueRef depth)
{
LLVMValueRef min_lod =
bld->dynamic_state->min_lod(bld->dynamic_state, bld->builder, unit);
if (bld->static_state->min_max_lod_equal) {
/* User is forcing sampling from a particular mipmap level.
* This is hit during mipmap generation.
*/
return LLVMConstReal(LLVMFloatType(), bld->static_state->min_max_lod);
return min_lod;
}
else {
struct lp_build_context *float_bld = &bld->float_bld;
LLVMValueRef sampler_lod_bias =
bld->dynamic_state->lod_bias(bld->dynamic_state, bld->builder, unit);
LLVMValueRef min_lod =
bld->dynamic_state->min_lod(bld->dynamic_state, bld->builder, unit);
LLVMValueRef max_lod =
bld->dynamic_state->max_lod(bld->dynamic_state, bld->builder, unit);
LLVMValueRef index0 = LLVMConstInt(LLVMInt32Type(), 0, 0);

1
src/gallium/auxiliary/gallivm/lp_bld_sample.h
View file

@ -83,7 +83,6 @@ struct lp_sampler_static_state
unsigned compare_func:3;
unsigned normalized_coords:1;
unsigned min_max_lod_equal:1; /**< min_lod == max_lod ? */
float min_max_lod; /**< only valid when min_max_lod_equal=1 */
/* Aero hacks */
unsigned force_nearest_s:1;