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llvmpipe: Reuse coord/texel store.

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This commit is contained in:
José Fonseca
2009-08-11 13:30:23 +01:00
parent 0b6a9b2dbe
commit 1929057eac
1 changed files with 11 additions and 8 deletions
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src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
+11 -8
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@@ -76,6 +76,9 @@ struct lp_build_tgsi_soa_context
LLVMValueRef immediates[LP_MAX_IMMEDIATES][4];
LLVMValueRef temps[LP_MAX_TEMPS][4];
/** Coords/texels store */
LLVMValueRef store_ptr;
};
@@ -296,7 +299,6 @@ emit_tex( struct lp_build_tgsi_soa_context *bld,
const uint unit = inst->FullSrcRegisters[1].SrcRegister.Index;
LLVMValueRef lodbias;
LLVMValueRef oow;
LLVMValueRef store_ptr;
LLVMValueRef args[3];
unsigned count;
unsigned i;
@@ -326,10 +328,11 @@ emit_tex( struct lp_build_tgsi_soa_context *bld,
else
lodbias = bld->base.zero;
store_ptr = LLVMBuildArrayAlloca(bld->base.builder,
vec_type,
LLVMConstInt(LLVMInt32Type(), 4, 0),
"store");
if(!bld->store_ptr)
bld->store_ptr = LLVMBuildArrayAlloca(bld->base.builder,
vec_type,
LLVMConstInt(LLVMInt32Type(), 4, 0),
"store");
if (projected) {
oow = FETCH( bld, *inst, 0, 3 );
@@ -338,7 +341,7 @@ emit_tex( struct lp_build_tgsi_soa_context *bld,
for (i = 0; i < count; i++) {
LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
LLVMValueRef coord_ptr = LLVMBuildGEP(bld->base.builder, store_ptr, &index, 1, "");
LLVMValueRef coord_ptr = LLVMBuildGEP(bld->base.builder, bld->store_ptr, &index, 1, "");
LLVMValueRef coord;
coord = FETCH( bld, *inst, 0, i );
@@ -351,13 +354,13 @@ emit_tex( struct lp_build_tgsi_soa_context *bld,
args[0] = bld->samplers_ptr;
args[1] = LLVMConstInt(LLVMInt32Type(), unit, 0);
args[2] = store_ptr;
args[2] = bld->store_ptr;
lp_build_intrinsic(bld->base.builder, "fetch_texel", LLVMVoidType(), args, 3);
FOR_EACH_DST0_ENABLED_CHANNEL( *inst, i ) {
LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
LLVMValueRef res_ptr = LLVMBuildGEP(bld->base.builder, store_ptr, &index, 1, "");
LLVMValueRef res_ptr = LLVMBuildGEP(bld->base.builder, bld->store_ptr, &index, 1, "");
LLVMValueRef res = LLVMBuildLoad(bld->base.builder, res_ptr, "");
STORE( bld, *inst, 0, i, res );
}