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radeonsi: Handle TGSI_SEMANTIC_CLIPDIST

This commit is contained in:
Michel Dänzer 2013-05-02 14:53:17 +02:00 committed by Michel Dänzer
parent 784df2e115
commit 0afeea5ad2
1 changed files with 17 additions and 4 deletions
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21
src/gallium/drivers/radeonsi/radeonsi_shader.c
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@ -625,6 +625,7 @@ static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
struct tgsi_parse_context *parse = &si_shader_ctx->parse;
LLVMValueRef args[9];
LLVMValueRef last_args[9] = { 0 };
unsigned semantic_name;
unsigned color_count = 0;
unsigned param_count = 0;
int depth_index = -1, stencil_index = -1;
@ -668,9 +669,11 @@ static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
continue;
}
semantic_name = d->Semantic.Name;
handle_semantic:
for (index = d->Range.First; index <= d->Range.Last; index++) {
/* Select the correct target */
switch(d->Semantic.Name) {
switch(semantic_name) {
case TGSI_SEMANTIC_PSIZE:
shader->vs_out_misc_write = 1;
shader->vs_out_point_size = 1;
@ -702,6 +705,11 @@ static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
color_count++;
}
break;
case TGSI_SEMANTIC_CLIPDIST:
shader->clip_dist_write |=
d->Declaration.UsageMask << (d->Semantic.Index << 2);
target = V_008DFC_SQ_EXP_POS + 2 + d->Semantic.Index;
break;
case TGSI_SEMANTIC_CLIPVERTEX:
si_llvm_emit_clipvertex(bld_base, index);
shader->clip_dist_write = 0xFF;
@ -716,14 +724,14 @@ static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
target = 0;
fprintf(stderr,
"Warning: SI unhandled output type:%d\n",
d->Semantic.Name);
semantic_name);
}
si_llvm_init_export_args(bld_base, d, index, target, args);
if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX ?
(d->Semantic.Name == TGSI_SEMANTIC_POSITION) :
(d->Semantic.Name == TGSI_SEMANTIC_COLOR)) {
(semantic_name == TGSI_SEMANTIC_POSITION) :
(semantic_name == TGSI_SEMANTIC_COLOR)) {
if (last_args[0]) {
lp_build_intrinsic(base->gallivm->builder,
"llvm.SI.export",
@ -740,6 +748,11 @@ static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
}
}
if (semantic_name == TGSI_SEMANTIC_CLIPDIST) {
semantic_name = TGSI_SEMANTIC_GENERIC;
goto handle_semantic;
}
}
if (depth_index >= 0 || stencil_index >= 0) {