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radeon/llvm: Export prepare_cube_coords helper to driver.

Browse source 
To be used by radeonsi.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Michel Dänzer 2012-12-03 12:45:41 +01:00 • committed by Michel Dänzer
parent 7745596ceb
commit aac2154729
2 changed files with 13 additions and 8 deletions
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3
src/gallium/drivers/radeon/radeon_llvm.h
View file

@ -152,6 +152,9 @@ static inline LLVMValueRef bitcast(
}
void radeon_llvm_emit_prepare_cube_coords(struct lp_build_tgsi_context * bld_base,
LLVMValueRef *arg, unsigned target);
void radeon_llvm_context_init(struct radeon_llvm_context * ctx);
void radeon_llvm_dispose(struct radeon_llvm_context * ctx);

18
src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
View file

@ -514,11 +514,12 @@ static void kil_emit(
}
static void emit_prepare_cube_coords(
void radeon_llvm_emit_prepare_cube_coords(
struct lp_build_tgsi_context * bld_base,
struct lp_build_emit_data * emit_data)
LLVMValueRef *arg,
unsigned target)
{
boolean shadowcube = (emit_data->inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE);
boolean shadowcube = (target == TGSI_TEXTURE_SHADOWCUBE);
struct gallivm_state * gallivm = bld_base->base.gallivm;
LLVMBuilderRef builder = gallivm->builder;
LLVMTypeRef type = bld_base->base.elem_type;
@ -528,7 +529,7 @@ static void emit_prepare_cube_coords(
LLVMValueRef v = build_intrinsic(builder, "llvm.AMDGPU.cube",
LLVMVectorType(type, 4),
&emit_data->args[0],1, LLVMReadNoneAttribute);
arg, 1, LLVMReadNoneAttribute);
/* save src.w for shadow cube */
cnt = shadowcube ? 3 : 4;
@ -559,8 +560,7 @@ static void emit_prepare_cube_coords(
coords[1] = coords[0];
coords[0] = coords[3];
emit_data->args[0] = lp_build_gather_values(bld_base->base.gallivm,
coords, 4);
*arg = lp_build_gather_values(bld_base->base.gallivm, coords, 4);
}
static void txd_fetch_args(
@ -609,7 +609,8 @@ static void txp_fetch_args(
if ((inst->Texture.Texture == TGSI_TEXTURE_CUBE ||
inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE) &&
inst->Instruction.Opcode != TGSI_OPCODE_TXQ) {
emit_prepare_cube_coords(bld_base, emit_data);
radeon_llvm_emit_prepare_cube_coords(bld_base, &emit_data->args[0],
inst->Texture.Texture);
}
}
@ -641,7 +642,8 @@ static void tex_fetch_args(
if ((inst->Texture.Texture == TGSI_TEXTURE_CUBE ||
inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE) &&
inst->Instruction.Opcode != TGSI_OPCODE_TXQ) {
emit_prepare_cube_coords(bld_base, emit_data);
radeon_llvm_emit_prepare_cube_coords(bld_base, &emit_data->args[0],
inst->Texture.Texture);
}
}