From 5b876241a0f9a549c247e602d2b19967cd7f2d6a Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 12 May 2010 11:17:34 -0600 Subject: [PATCH] gallivm: rename vars, update comments, etc --- src/gallium/auxiliary/gallivm/lp_bld_format.h | 6 ++-- src/gallium/auxiliary/gallivm/lp_bld_format_soa.c | 38 ++++++++++++----------- 2 files changed, 23 insertions(+), 21 deletions(-) diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format.h b/src/gallium/auxiliary/gallivm/lp_bld_format.h index d873c7a..5f5036e 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_format.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_format.h @@ -73,14 +73,14 @@ void lp_build_format_swizzle_soa(const struct util_format_description *format_desc, struct lp_build_context *bld, const LLVMValueRef *unswizzled, - LLVMValueRef *swizzled); + LLVMValueRef swizzled_out[4]); void lp_build_unpack_rgba_soa(LLVMBuilderRef builder, const struct util_format_description *format_desc, struct lp_type type, LLVMValueRef packed, - LLVMValueRef *rgba); + LLVMValueRef rgba_out[4]); void @@ -91,7 +91,7 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder, LLVMValueRef offsets, LLVMValueRef i, LLVMValueRef j, - LLVMValueRef *rgba); + LLVMValueRef rgba_out[4]); #endif /* !LP_BLD_FORMAT_H */ diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c index c5de5ce..63a751e 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c @@ -44,7 +44,7 @@ void lp_build_format_swizzle_soa(const struct util_format_description *format_desc, struct lp_build_context *bld, const LLVMValueRef *unswizzled, - LLVMValueRef *swizzled) + LLVMValueRef swizzled_out[4]) { assert(UTIL_FORMAT_SWIZZLE_0 == PIPE_SWIZZLE_ZERO); assert(UTIL_FORMAT_SWIZZLE_1 == PIPE_SWIZZLE_ONE); @@ -59,14 +59,14 @@ lp_build_format_swizzle_soa(const struct util_format_description *format_desc, */ enum util_format_swizzle swizzle = format_desc->swizzle[0]; LLVMValueRef depth = lp_build_swizzle_soa_channel(bld, unswizzled, swizzle); - swizzled[2] = swizzled[1] = swizzled[0] = depth; - swizzled[3] = bld->one; + swizzled_out[2] = swizzled_out[1] = swizzled_out[0] = depth; + swizzled_out[3] = bld->one; } else { unsigned chan; for (chan = 0; chan < 4; ++chan) { enum util_format_swizzle swizzle = format_desc->swizzle[chan]; - swizzled[chan] = lp_build_swizzle_soa_channel(bld, unswizzled, swizzle); + swizzled_out[chan] = lp_build_swizzle_soa_channel(bld, unswizzled, swizzle); } } } @@ -95,7 +95,7 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder, const struct util_format_description *format_desc, struct lp_type type, LLVMValueRef packed, - LLVMValueRef *rgba) + LLVMValueRef rgba_out[4]) { struct lp_build_context bld; LLVMValueRef inputs[4]; @@ -242,14 +242,15 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder, start = stop; } - lp_build_format_swizzle_soa(format_desc, &bld, inputs, rgba); + lp_build_format_swizzle_soa(format_desc, &bld, inputs, rgba_out); } /** * Fetch a pixel into a SoA. * - * i and j are the sub-block pixel coordinates. + * \param type the desired return type for 'rgba' + * \param i, j the sub-block pixel coordinates. */ void lp_build_fetch_rgba_soa(LLVMBuilderRef builder, @@ -259,7 +260,7 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder, LLVMValueRef offset, LLVMValueRef i, LLVMValueRef j, - LLVMValueRef *rgba) + LLVMValueRef rgba_out[4]) { if (format_desc->layout == UTIL_FORMAT_LAYOUT_PLAIN && @@ -273,7 +274,7 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder, { /* * The packed pixel fits into an element of the destination format. Put - * the packed pixels into a vector and estract each component for all + * the packed pixels into a vector and extract each component for all * vector elements in parallel. */ @@ -294,16 +295,16 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder, lp_build_unpack_rgba_soa(builder, format_desc, type, - packed, rgba); + packed, rgba_out); } else { /* * Fallback to calling lp_build_fetch_rgba_aos for each pixel. * - * This is not the most efficient way of fetching pixels, as - * we miss some opportunities to do vectorization, but this it is a - * convenient for formats or scenarios for which there was no opportunity - * or incentive to optimize. + * This is not the most efficient way of fetching pixels, as we + * miss some opportunities to do vectorization, but this is + * convenient for formats or scenarios for which there was no + * opportunity or incentive to optimize. */ unsigned k, chan; @@ -311,7 +312,7 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder, assert(type.floating); for (chan = 0; chan < 4; ++chan) { - rgba[chan] = lp_build_undef(type); + rgba_out[chan] = lp_build_undef(type); } for(k = 0; k < type.length; ++k) { @@ -327,16 +328,17 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder, i_elem = LLVMBuildExtractElement(builder, i, index, ""); j_elem = LLVMBuildExtractElement(builder, j, index, ""); - tmp = lp_build_fetch_rgba_aos(builder, format_desc, ptr, i_elem, j_elem); + tmp = lp_build_fetch_rgba_aos(builder, format_desc, ptr, + i_elem, j_elem); /* * AoS to SoA */ - for (chan = 0; chan < 4; ++chan) { LLVMValueRef chan_val = LLVMConstInt(LLVMInt32Type(), chan, 0), tmp_chan = LLVMBuildExtractElement(builder, tmp, chan_val, ""); - rgba[chan] = LLVMBuildInsertElement(builder, rgba[chan], tmp_chan, index, ""); + rgba_out[chan] = LLVMBuildInsertElement(builder, rgba_out[chan], + tmp_chan, index, ""); } } } -- 2.7.4