diff options
author | José Fonseca <jfonseca@vmware.com> | 2009-10-22 20:42:16 +0100 |
---|---|---|
committer | José Fonseca <jfonseca@vmware.com> | 2009-10-25 09:53:47 +0000 |
commit | b4f6907b8d8a966df56c06155049c52dadea105f (patch) | |
tree | a99d31c1125c572ac5f8dd01955ad3961ef80d63 /src/gallium/drivers/llvmpipe/lp_bld_format_soa.c | |
parent | c2df759cd73e281c4698c717e0ab89757a7affd5 (diff) |
llvmpipe: Move a few format/sampling functions into better space.
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_format_soa.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_format_soa.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c index 66bebdcdec..60ad4c0ee6 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c @@ -34,55 +34,6 @@ #include "lp_bld_format.h" -/** - * Gather elements from scatter positions in memory into a single vector. - * - * @param src_width src element width - * @param dst_width result element width (source will be expanded to fit) - * @param length length of the offsets, - * @param base_ptr base pointer, should be a i8 pointer type. - * @param offsets vector with offsets - */ -LLVMValueRef -lp_build_gather(LLVMBuilderRef builder, - unsigned length, - unsigned src_width, - unsigned dst_width, - LLVMValueRef base_ptr, - LLVMValueRef offsets) -{ - LLVMTypeRef src_type = LLVMIntType(src_width); - LLVMTypeRef src_ptr_type = LLVMPointerType(src_type, 0); - LLVMTypeRef dst_elem_type = LLVMIntType(dst_width); - LLVMTypeRef dst_vec_type = LLVMVectorType(dst_elem_type, length); - LLVMValueRef res; - unsigned i; - - res = LLVMGetUndef(dst_vec_type); - for(i = 0; i < length; ++i) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - LLVMValueRef elem_offset; - LLVMValueRef elem_ptr; - LLVMValueRef elem; - - elem_offset = LLVMBuildExtractElement(builder, offsets, index, ""); - elem_ptr = LLVMBuildGEP(builder, base_ptr, &elem_offset, 1, ""); - elem_ptr = LLVMBuildBitCast(builder, elem_ptr, src_ptr_type, ""); - elem = LLVMBuildLoad(builder, elem_ptr, ""); - - assert(src_width <= dst_width); - if(src_width > dst_width) - elem = LLVMBuildTrunc(builder, elem, dst_elem_type, ""); - if(src_width < dst_width) - elem = LLVMBuildZExt(builder, elem, dst_elem_type, ""); - - res = LLVMBuildInsertElement(builder, res, elem, index, ""); - } - - return res; -} - - static LLVMValueRef lp_build_format_swizzle(struct lp_type type, const LLVMValueRef *inputs, @@ -185,25 +136,3 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder, } } } - - -void -lp_build_load_rgba_soa(LLVMBuilderRef builder, - const struct util_format_description *format_desc, - struct lp_type type, - LLVMValueRef base_ptr, - LLVMValueRef offsets, - LLVMValueRef *rgba) -{ - LLVMValueRef packed; - - assert(format_desc->block.width == 1); - assert(format_desc->block.height == 1); - assert(format_desc->block.bits <= type.width); - - packed = lp_build_gather(builder, - type.length, format_desc->block.bits, type.width, - base_ptr, offsets); - - lp_build_unpack_rgba_soa(builder, format_desc, type, packed, rgba); -} |