Module: Mesa
Branch: master
Commit: e307cfa7d9a6c4c44be9d0fb50a113024646029e
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=e307cfa7d9a6c4c44be9d0fb50a113024646029e
Author: Dave Airlie <airl...@redhat.com>
Date: Wed Dec 9 17:02:38 2015 +1000
radeonsi: handle loading doubles as geometry shader inputs.
This adds the double code to the geometry shader input handling.
Reviewed-by: Michel Dänzer <michel.daen...@amd.com>
Cc: "11.0 11.1" <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/drivers/radeonsi/si_shader.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index e2cf27d..1baa2eb 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -741,6 +741,7 @@ static LLVMValueRef fetch_input_gs(
unsigned semantic_name = info->input_semantic_name[reg->Register.Index];
unsigned semantic_index =
info->input_semantic_index[reg->Register.Index];
unsigned param;
+ LLVMValueRef value;
if (swizzle != ~0 && semantic_name == TGSI_SEMANTIC_PRIMID)
return get_primitive_id(bld_base, swizzle);
@@ -782,11 +783,22 @@ static LLVMValueRef fetch_input_gs(
args[7] = uint->zero; /* SLC */
args[8] = uint->zero; /* TFE */
+ value = lp_build_intrinsic(gallivm->builder,
+ "llvm.SI.buffer.load.dword.i32.i32",
+ i32, args, 9,
+ LLVMReadOnlyAttribute |
LLVMNoUnwindAttribute);
+ if (type == TGSI_TYPE_DOUBLE) {
+ LLVMValueRef value2;
+ args[2] = lp_build_const_int32(gallivm, (param * 4 + swizzle +
1) * 256);
+ value2 = lp_build_intrinsic(gallivm->builder,
+ "llvm.SI.buffer.load.dword.i32.i32",
+ i32, args, 9,
+ LLVMReadOnlyAttribute |
LLVMNoUnwindAttribute);
+ return radeon_llvm_emit_fetch_double(bld_base,
+ value, value2);
+ }
return LLVMBuildBitCast(gallivm->builder,
- lp_build_intrinsic(gallivm->builder,
-
"llvm.SI.buffer.load.dword.i32.i32",
- i32, args, 9,
- LLVMReadOnlyAttribute |
LLVMNoUnwindAttribute),
+ value,
tgsi2llvmtype(bld_base, type), "");
}
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