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authorJosé Fonseca <jfonseca@vmware.com>2009-08-19 17:57:07 +0100
committerJosé Fonseca <jfonseca@vmware.com>2009-08-29 09:21:35 +0100
commit6f5cd15f80d612e165078dfe2126cf44cf509d91 (patch)
tree769ffdf37c3978556ee4e6006b824dd7fa221d62 /src/gallium/drivers
parent17baa01bfbebf71c68aebea5196ebcb313612038 (diff)
llvmpipe: Simpler variant of lp_build_broadcast_scalar.
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_swizzle.c19
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_swizzle.h6
2 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
index 3402d4f5d9..5204a851d6 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
@@ -35,6 +35,25 @@
LLVMValueRef
+lp_build_broadcast(LLVMBuilderRef builder,
+ LLVMTypeRef vec_type,
+ LLVMValueRef scalar)
+{
+ const unsigned n = LLVMGetVectorSize(vec_type);
+ LLVMValueRef res;
+ unsigned i;
+
+ res = LLVMGetUndef(vec_type);
+ for(i = 0; i < n; ++i) {
+ LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
+ res = LLVMBuildInsertElement(builder, res, scalar, index, "");
+ }
+
+ return res;
+}
+
+
+LLVMValueRef
lp_build_broadcast_scalar(struct lp_build_context *bld,
LLVMValueRef scalar)
{
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h
index ceaaabf9ec..7a4aa88382 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h
@@ -45,6 +45,12 @@ struct lp_build_context;
LLVMValueRef
+lp_build_broadcast(LLVMBuilderRef builder,
+ LLVMTypeRef vec_type,
+ LLVMValueRef scalar);
+
+
+LLVMValueRef
lp_build_broadcast_scalar(struct lp_build_context *bld,
LLVMValueRef scalar);