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llvmpipe: Respect input interpolators for the shader. 

Cherry-picked from fb2c7b6743
This commit is contained in:
Michal Krol 2009-09-17 16:05:08 +01:00 committed by José Fonseca
parent fdd605e446
commit 18d0f9a7a3
1 changed files with 19 additions and 2 deletions
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21
src/gallium/drivers/llvmpipe/lp_state_derived.c
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@ -93,6 +93,23 @@ llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe)
vinfo->num_attribs = 0;
for (i = 0; i < lpfs->info.num_inputs; i++) {
int src;
enum interp_mode interp;
switch (lpfs->info.input_interpolate[i]) {
case TGSI_INTERPOLATE_CONSTANT:
interp = INTERP_CONSTANT;
break;
case TGSI_INTERPOLATE_LINEAR:
interp = INTERP_LINEAR;
break;
case TGSI_INTERPOLATE_PERSPECTIVE:
interp = INTERP_PERSPECTIVE;
break;
default:
assert(0);
interp = INTERP_LINEAR;
}
switch (lpfs->info.input_semantic_name[i]) {
case TGSI_SEMANTIC_POSITION:
src = draw_find_vs_output(llvmpipe->draw,
@ -108,7 +125,7 @@ llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe)
case TGSI_SEMANTIC_FOG:
src = draw_find_vs_output(llvmpipe->draw, TGSI_SEMANTIC_FOG, 0);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
draw_emit_vertex_attr(vinfo, EMIT_4F, interp, src);
break;
case TGSI_SEMANTIC_GENERIC:
@ -116,7 +133,7 @@ llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe)
/* this includes texcoords and varying vars */
src = draw_find_vs_output(llvmpipe->draw, TGSI_SEMANTIC_GENERIC,
lpfs->info.input_semantic_index[i]);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
draw_emit_vertex_attr(vinfo, EMIT_4F, interp, src);
break;
default: