diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_format_soa.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_format_soa.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c deleted file mode 100644 index 64151d169d..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c +++ /dev/null @@ -1,149 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - - -#include "util/u_format.h" - -#include "lp_bld_type.h" -#include "lp_bld_const.h" -#include "lp_bld_conv.h" -#include "lp_bld_format.h" - - -static LLVMValueRef -lp_build_format_swizzle_chan_soa(struct lp_type type, - const LLVMValueRef *unswizzled, - enum util_format_swizzle swizzle) -{ - switch (swizzle) { - case UTIL_FORMAT_SWIZZLE_X: - case UTIL_FORMAT_SWIZZLE_Y: - case UTIL_FORMAT_SWIZZLE_Z: - case UTIL_FORMAT_SWIZZLE_W: - return unswizzled[swizzle]; - case UTIL_FORMAT_SWIZZLE_0: - return lp_build_zero(type); - case UTIL_FORMAT_SWIZZLE_1: - return lp_build_one(type); - case UTIL_FORMAT_SWIZZLE_NONE: - return lp_build_undef(type); - default: - assert(0); - return lp_build_undef(type); - } -} - - -void -lp_build_format_swizzle_soa(const struct util_format_description *format_desc, - struct lp_type type, - const LLVMValueRef *unswizzled, - LLVMValueRef *swizzled) -{ - if(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) { - enum util_format_swizzle swizzle = format_desc->swizzle[0]; - LLVMValueRef depth = lp_build_format_swizzle_chan_soa(type, unswizzled, swizzle); - swizzled[2] = swizzled[1] = swizzled[0] = depth; - swizzled[3] = lp_build_one(type); - } - else { - unsigned chan; - for (chan = 0; chan < 4; ++chan) { - enum util_format_swizzle swizzle = format_desc->swizzle[chan]; - swizzled[chan] = lp_build_format_swizzle_chan_soa(type, unswizzled, swizzle); - } - } -} - - -void -lp_build_unpack_rgba_soa(LLVMBuilderRef builder, - const struct util_format_description *format_desc, - struct lp_type type, - LLVMValueRef packed, - LLVMValueRef *rgba) -{ - LLVMValueRef inputs[4]; - unsigned start; - unsigned chan; - - /* FIXME: Support more formats */ - assert(format_desc->layout == UTIL_FORMAT_LAYOUT_ARITH || - (format_desc->layout == UTIL_FORMAT_LAYOUT_ARRAY && - format_desc->block.bits == format_desc->channel[0].size)); - assert(format_desc->block.width == 1); - assert(format_desc->block.height == 1); - assert(format_desc->block.bits <= 32); - - /* Decode the input vector components */ - start = 0; - for (chan = 0; chan < 4; ++chan) { - unsigned width = format_desc->channel[chan].size; - unsigned stop = start + width; - LLVMValueRef input; - - input = packed; - - switch(format_desc->channel[chan].type) { - case UTIL_FORMAT_TYPE_VOID: - input = NULL; - break; - - case UTIL_FORMAT_TYPE_UNSIGNED: - if(type.floating) { - if(start) - input = LLVMBuildLShr(builder, input, lp_build_int_const_scalar(type, start), ""); - if(stop < format_desc->block.bits) { - unsigned mask = ((unsigned long long)1 << width) - 1; - input = LLVMBuildAnd(builder, input, lp_build_int_const_scalar(type, mask), ""); - } - - if(format_desc->channel[chan].normalized) - input = lp_build_unsigned_norm_to_float(builder, width, type, input); - else - input = LLVMBuildFPToSI(builder, input, lp_build_vec_type(type), ""); - } - else { - /* FIXME */ - assert(0); - input = lp_build_undef(type); - } - break; - - default: - /* fall through */ - input = lp_build_undef(type); - break; - } - - inputs[chan] = input; - - start = stop; - } - - lp_build_format_swizzle_soa(format_desc, type, inputs, rgba); -} |