From f311bacebd167651e5be3bb3cef14fdfb6e1d925 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Sun, 23 Aug 2009 14:25:31 +0100 Subject: llvmpipe: Merge all pixel format related files. --- src/gallium/drivers/llvmpipe/lp_bld_pack.c | 130 ----------------------------- 1 file changed, 130 deletions(-) delete mode 100644 src/gallium/drivers/llvmpipe/lp_bld_pack.c (limited to 'src/gallium/drivers/llvmpipe/lp_bld_pack.c') diff --git a/src/gallium/drivers/llvmpipe/lp_bld_pack.c b/src/gallium/drivers/llvmpipe/lp_bld_pack.c deleted file mode 100644 index 71261e4f39..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_bld_pack.c +++ /dev/null @@ -1,130 +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_format.h" - - -LLVMValueRef -lp_build_pack_rgba(LLVMBuilderRef builder, - enum pipe_format format, - LLVMValueRef rgba) -{ - const struct util_format_description *desc; - LLVMTypeRef type; - LLVMValueRef packed = NULL; - LLVMValueRef swizzles[4]; - LLVMValueRef shifted, casted, scaled, unswizzled; - LLVMValueRef shifts[4]; - LLVMValueRef scales[4]; - bool normalized; - unsigned shift; - unsigned i, j; - - desc = util_format_description(format); - - assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH); - assert(desc->block.width == 1); - assert(desc->block.height == 1); - - type = LLVMIntType(desc->block.bits); - - /* Unswizzle the color components into the source vector. */ - for (i = 0; i < 4; ++i) { - for (j = 0; j < 4; ++j) { - if (desc->swizzle[j] == i) - break; - } - if (j < 4) - swizzles[i] = LLVMConstInt(LLVMInt32Type(), j, 0); - else - swizzles[i] = LLVMGetUndef(LLVMInt32Type()); - } - - unswizzled = LLVMBuildShuffleVector(builder, rgba, - LLVMGetUndef(LLVMVectorType(LLVMFloatType(), 4)), - LLVMConstVector(swizzles, 4), ""); - - normalized = FALSE; - shift = 0; - for (i = 0; i < 4; ++i) { - unsigned bits = desc->channel[i].size; - - if (desc->channel[i].type == UTIL_FORMAT_TYPE_VOID) { - shifts[i] = LLVMGetUndef(LLVMInt32Type()); - scales[i] = LLVMGetUndef(LLVMFloatType()); - } - else { - unsigned mask = (1 << bits) - 1; - - assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED); - assert(bits < 32); - - shifts[i] = LLVMConstInt(LLVMInt32Type(), shift, 0); - - if (desc->channel[i].normalized) { - scales[i] = LLVMConstReal(LLVMFloatType(), mask); - normalized = TRUE; - } - else - scales[i] = LLVMConstReal(LLVMFloatType(), 1.0); - } - - shift += bits; - } - - if (normalized) - scaled = LLVMBuildMul(builder, unswizzled, LLVMConstVector(scales, 4), ""); - else - scaled = unswizzled; - - casted = LLVMBuildFPToSI(builder, scaled, LLVMVectorType(LLVMInt32Type(), 4), ""); - - shifted = LLVMBuildShl(builder, casted, LLVMConstVector(shifts, 4), ""); - - /* Bitwise or all components */ - for (i = 0; i < 4; ++i) { - if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) { - LLVMValueRef component = LLVMBuildExtractElement(builder, shifted, LLVMConstInt(LLVMInt32Type(), i, 0), ""); - if (packed) - packed = LLVMBuildOr(builder, packed, component, ""); - else - packed = component; - } - } - - if (!packed) - packed = LLVMGetUndef(LLVMInt32Type()); - - if (desc->block.bits < 32) - packed = LLVMBuildTrunc(builder, packed, type, ""); - - return packed; -} - -- cgit v1.2.3