diff options
author | José Fonseca <jfonseca@vmware.com> | 2009-10-22 22:37:06 +0100 |
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committer | José Fonseca <jfonseca@vmware.com> | 2009-10-25 09:53:48 +0000 |
commit | bc93e9181cf179a797679d30cd1a3a563e1756c0 (patch) | |
tree | e7ec248a60d5ecc06ce86f1390edb5d1c0e111f8 /src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c | |
parent | fedd054d534206a5ebd6fed204aa97cbb5053b3a (diff) |
llvmpipe: Factor our pixel offset computation.
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c | 49 |
1 files changed, 6 insertions, 43 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c index 4af0454935..6aa7ad4b45 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c @@ -106,51 +106,14 @@ lp_build_sample_texel(struct lp_build_sample_context *bld, LLVMValueRef *texel) { struct lp_build_context *int_coord_bld = &bld->int_coord_bld; - LLVMValueRef x_stride; LLVMValueRef offset; - x_stride = lp_build_const_scalar(bld->int_coord_type, bld->format_desc->block.bits/8); - - if(bld->format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) { - LLVMValueRef x_lo, x_hi; - LLVMValueRef y_lo, y_hi; - LLVMValueRef x_stride_lo, x_stride_hi; - LLVMValueRef y_stride_lo, y_stride_hi; - LLVMValueRef x_offset_lo, x_offset_hi; - LLVMValueRef y_offset_lo, y_offset_hi; - LLVMValueRef offset_lo, offset_hi; - - x_lo = LLVMBuildAnd(bld->builder, x, int_coord_bld->one, ""); - y_lo = LLVMBuildAnd(bld->builder, y, int_coord_bld->one, ""); - - x_hi = LLVMBuildLShr(bld->builder, x, int_coord_bld->one, ""); - y_hi = LLVMBuildLShr(bld->builder, y, int_coord_bld->one, ""); - - x_stride_lo = x_stride; - y_stride_lo = lp_build_const_scalar(bld->int_coord_type, 2*bld->format_desc->block.bits/8); - - x_stride_hi = lp_build_const_scalar(bld->int_coord_type, 4*bld->format_desc->block.bits/8); - y_stride_hi = LLVMBuildShl(bld->builder, y_stride, int_coord_bld->one, ""); - - x_offset_lo = lp_build_mul(int_coord_bld, x_lo, x_stride_lo); - y_offset_lo = lp_build_mul(int_coord_bld, y_lo, y_stride_lo); - offset_lo = lp_build_add(int_coord_bld, x_offset_lo, y_offset_lo); - - x_offset_hi = lp_build_mul(int_coord_bld, x_hi, x_stride_hi); - y_offset_hi = lp_build_mul(int_coord_bld, y_hi, y_stride_hi); - offset_hi = lp_build_add(int_coord_bld, x_offset_hi, y_offset_hi); - - offset = lp_build_add(int_coord_bld, offset_hi, offset_lo); - } - else { - LLVMValueRef x_offset; - LLVMValueRef y_offset; - - x_offset = lp_build_mul(int_coord_bld, x, x_stride); - y_offset = lp_build_mul(int_coord_bld, y, y_stride); - - offset = lp_build_add(int_coord_bld, x_offset, y_offset); - } + offset = lp_build_sample_offset(&bld->int_coord_bld, + bld->format_desc, + x, + y, + y_stride, + data_ptr); lp_build_load_rgba_soa(bld->builder, bld->format_desc, |