From b29fcc7b3a043f879da1869cddd68eded1b3b305 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Fonseca?= Date: Tue, 20 Apr 2010 13:41:10 +0200 Subject: [PATCH] gallivm: Bring aos format back to life. Useful for fetching vertices for formats that are straight arrays. This reverts commit aa364d091e7e2ef2296fb25f92efc79a8c88f77d. --- src/gallium/auxiliary/Makefile | 1 + src/gallium/auxiliary/SConscript | 1 + src/gallium/auxiliary/gallivm/lp_bld_format_aos.c | 380 ++++++++++++++++++++++ src/gallium/drivers/llvmpipe/Makefile | 2 +- src/gallium/drivers/llvmpipe/SConscript | 1 + src/gallium/drivers/llvmpipe/lp_test_format.c | 314 ++++++++++++++++++ 6 files changed, 698 insertions(+), 1 deletion(-) create mode 100644 src/gallium/auxiliary/gallivm/lp_bld_format_aos.c create mode 100644 src/gallium/drivers/llvmpipe/lp_test_format.c diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile index 7d300d4..f8e65cf 100644 --- a/src/gallium/auxiliary/Makefile +++ b/src/gallium/auxiliary/Makefile @@ -149,6 +149,7 @@ GALLIVM_SOURCES = \ gallivm/lp_bld_conv.c \ gallivm/lp_bld_debug.c \ gallivm/lp_bld_flow.c \ + gallivm/lp_bld_format_aos.c \ gallivm/lp_bld_format_soa.c \ gallivm/lp_bld_init.c \ gallivm/lp_bld_intr.c \ diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript index fc20a8b..db3a1e7 100644 --- a/src/gallium/auxiliary/SConscript +++ b/src/gallium/auxiliary/SConscript @@ -198,6 +198,7 @@ if env['llvm']: 'gallivm/lp_bld_conv.c', 'gallivm/lp_bld_debug.c', 'gallivm/lp_bld_flow.c', + 'gallivm/lp_bld_format_aos.c', 'gallivm/lp_bld_format_soa.c', 'gallivm/lp_bld_intr.c', 'gallivm/lp_bld_logic.c', diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c new file mode 100644 index 0000000..e55ac6f --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c @@ -0,0 +1,380 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * @file + * AoS pixel format manipulation. + * + * @author Jose Fonseca + */ + + +#include "util/u_cpu_detect.h" +#include "util/u_format.h" + +#include "lp_bld_type.h" +#include "lp_bld_const.h" +#include "lp_bld_swizzle.h" +#include "lp_bld_format.h" + + +/** + * Unpack a single pixel into its RGBA components. + * + * @param packed integer. + * + * @return RGBA in a 4 floats vector. + */ +LLVMValueRef +lp_build_unpack_rgba_aos(LLVMBuilderRef builder, + const struct util_format_description *desc, + LLVMValueRef packed) +{ + LLVMTypeRef type; + LLVMValueRef shifted, casted, scaled, masked; + LLVMValueRef shifts[4]; + LLVMValueRef masks[4]; + LLVMValueRef scales[4]; + LLVMValueRef swizzles[4]; + LLVMValueRef aux[4]; + bool normalized; + int empty_channel; + unsigned shift; + unsigned i; + + /* FIXME: Support more formats */ + assert(desc->layout == UTIL_FORMAT_LAYOUT_PLAIN); + assert(desc->block.width == 1); + assert(desc->block.height == 1); + assert(desc->block.bits <= 32); + + type = LLVMIntType(desc->block.bits); + + /* Do the intermediate integer computations with 32bit integers since it + * matches floating point size */ + if (desc->block.bits < 32) + packed = LLVMBuildZExt(builder, packed, LLVMInt32Type(), ""); + + /* Broadcast the packed value to all four channels */ + packed = LLVMBuildInsertElement(builder, + LLVMGetUndef(LLVMVectorType(LLVMInt32Type(), 4)), + packed, + LLVMConstNull(LLVMInt32Type()), + ""); + packed = LLVMBuildShuffleVector(builder, + packed, + LLVMGetUndef(LLVMVectorType(LLVMInt32Type(), 4)), + LLVMConstNull(LLVMVectorType(LLVMInt32Type(), 4)), + ""); + + /* Initialize vector constants */ + normalized = FALSE; + empty_channel = -1; + 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()); + masks[i] = LLVMConstNull(LLVMInt32Type()); + scales[i] = LLVMConstNull(LLVMFloatType()); + empty_channel = i; + } + else { + unsigned mask = (1 << bits) - 1; + + assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED); + assert(bits < 32); + + shifts[i] = LLVMConstInt(LLVMInt32Type(), shift, 0); + masks[i] = LLVMConstInt(LLVMInt32Type(), mask, 0); + + if (desc->channel[i].normalized) { + scales[i] = LLVMConstReal(LLVMFloatType(), 1.0/mask); + normalized = TRUE; + } + else + scales[i] = LLVMConstReal(LLVMFloatType(), 1.0); + } + + shift += bits; + } + + shifted = LLVMBuildLShr(builder, packed, LLVMConstVector(shifts, 4), ""); + masked = LLVMBuildAnd(builder, shifted, LLVMConstVector(masks, 4), ""); + /* UIToFP can't be expressed in SSE2 */ + casted = LLVMBuildSIToFP(builder, masked, LLVMVectorType(LLVMFloatType(), 4), ""); + + if (normalized) + scaled = LLVMBuildMul(builder, casted, LLVMConstVector(scales, 4), ""); + else + scaled = casted; + + for (i = 0; i < 4; ++i) + aux[i] = LLVMGetUndef(LLVMFloatType()); + + for (i = 0; i < 4; ++i) { + enum util_format_swizzle swizzle = desc->swizzle[i]; + + switch (swizzle) { + case UTIL_FORMAT_SWIZZLE_X: + case UTIL_FORMAT_SWIZZLE_Y: + case UTIL_FORMAT_SWIZZLE_Z: + case UTIL_FORMAT_SWIZZLE_W: + swizzles[i] = LLVMConstInt(LLVMInt32Type(), swizzle, 0); + break; + case UTIL_FORMAT_SWIZZLE_0: + assert(empty_channel >= 0); + swizzles[i] = LLVMConstInt(LLVMInt32Type(), empty_channel, 0); + break; + case UTIL_FORMAT_SWIZZLE_1: + swizzles[i] = LLVMConstInt(LLVMInt32Type(), 4, 0); + aux[0] = LLVMConstReal(LLVMFloatType(), 1.0); + break; + case UTIL_FORMAT_SWIZZLE_NONE: + swizzles[i] = LLVMGetUndef(LLVMFloatType()); + assert(0); + break; + } + } + + return LLVMBuildShuffleVector(builder, scaled, LLVMConstVector(aux, 4), LLVMConstVector(swizzles, 4), ""); +} + + +/** + * Take a vector with packed pixels and unpack into a rgba8 vector. + * + * Formats with bit depth smaller than 32bits are accepted, but they must be + * padded to 32bits. + */ +LLVMValueRef +lp_build_unpack_rgba8_aos(LLVMBuilderRef builder, + const struct util_format_description *desc, + struct lp_type type, + LLVMValueRef packed) +{ + struct lp_build_context bld; + bool rgba8; + LLVMValueRef res; + unsigned i; + + lp_build_context_init(&bld, builder, type); + + /* FIXME: Support more formats */ + assert(desc->layout == UTIL_FORMAT_LAYOUT_PLAIN); + assert(desc->block.width == 1); + assert(desc->block.height == 1); + assert(desc->block.bits <= 32); + + assert(!type.floating); + assert(!type.fixed); + assert(type.norm); + assert(type.width == 8); + assert(type.length % 4 == 0); + + rgba8 = TRUE; + for(i = 0; i < 4; ++i) { + assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED || + desc->channel[i].type == UTIL_FORMAT_TYPE_VOID); + if(desc->channel[0].size != 8) + rgba8 = FALSE; + } + + if(rgba8) { + /* + * The pixel is already in a rgba8 format variant. All it is necessary + * is to swizzle the channels. + */ + + unsigned char swizzles[4]; + boolean zeros[4]; /* bitwise AND mask */ + boolean ones[4]; /* bitwise OR mask */ + boolean swizzles_needed = FALSE; + boolean zeros_needed = FALSE; + boolean ones_needed = FALSE; + + for(i = 0; i < 4; ++i) { + enum util_format_swizzle swizzle = desc->swizzle[i]; + + /* Initialize with the no-op case */ + swizzles[i] = util_cpu_caps.little_endian ? 3 - i : i; + zeros[i] = TRUE; + ones[i] = FALSE; + + switch (swizzle) { + case UTIL_FORMAT_SWIZZLE_X: + case UTIL_FORMAT_SWIZZLE_Y: + case UTIL_FORMAT_SWIZZLE_Z: + case UTIL_FORMAT_SWIZZLE_W: + if(swizzle != swizzles[i]) { + swizzles[i] = swizzle; + swizzles_needed = TRUE; + } + break; + case UTIL_FORMAT_SWIZZLE_0: + zeros[i] = FALSE; + zeros_needed = TRUE; + break; + case UTIL_FORMAT_SWIZZLE_1: + ones[i] = TRUE; + ones_needed = TRUE; + break; + case UTIL_FORMAT_SWIZZLE_NONE: + assert(0); + break; + } + } + + res = packed; + + if(swizzles_needed) + res = lp_build_swizzle1_aos(&bld, res, swizzles); + + if(zeros_needed) { + /* Mask out zero channels */ + LLVMValueRef mask = lp_build_const_mask_aos(type, zeros); + res = LLVMBuildAnd(builder, res, mask, ""); + } + + if(ones_needed) { + /* Or one channels */ + LLVMValueRef mask = lp_build_const_mask_aos(type, ones); + res = LLVMBuildOr(builder, res, mask, ""); + } + } + else { + /* FIXME */ + assert(0); + res = lp_build_undef(type); + } + + return res; +} + + +/** + * Pack a single pixel. + * + * @param rgba 4 float vector with the unpacked components. + * + * XXX: This is mostly for reference and testing -- operating a single pixel at + * a time is rarely if ever needed. + */ +LLVMValueRef +lp_build_pack_rgba_aos(LLVMBuilderRef builder, + const struct util_format_description *desc, + LLVMValueRef rgba) +{ + 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; + + assert(desc->layout == UTIL_FORMAT_LAYOUT_PLAIN); + 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; +} diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile index fad9e34..bfa9f02 100644 --- a/src/gallium/drivers/llvmpipe/Makefile +++ b/src/gallium/drivers/llvmpipe/Makefile @@ -47,7 +47,7 @@ C_SOURCES = \ CPP_SOURCES = \ -PROGS := \ +PROGS := lp_test_format \ lp_test_blend \ lp_test_conv \ lp_test_printf diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript index 0b82728..b9e9826 100644 --- a/src/gallium/drivers/llvmpipe/SConscript +++ b/src/gallium/drivers/llvmpipe/SConscript @@ -73,6 +73,7 @@ if env['platform'] != 'embedded': env.Prepend(LIBS = [llvmpipe] + gallium) tests = [ + 'format', 'blend', 'conv', ] diff --git a/src/gallium/drivers/llvmpipe/lp_test_format.c b/src/gallium/drivers/llvmpipe/lp_test_format.c new file mode 100644 index 0000000..fb59589 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_test_format.c @@ -0,0 +1,314 @@ +/************************************************************************** + * + * 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 +#include + +#include "gallivm/lp_bld.h" +#include +#include +#include +#include + +#include "util/u_cpu_detect.h" +#include "util/u_format.h" + +#include "gallivm/lp_bld_format.h" +#include "lp_test.h" + + +struct pixel_test_case +{ + enum pipe_format format; + uint32_t packed; + double unpacked[4]; +}; + + +struct pixel_test_case test_cases[] = +{ + {PIPE_FORMAT_B5G6R5_UNORM, 0x0000, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_B5G6R5_UNORM, 0x001f, {0.0, 0.0, 1.0, 1.0}}, + {PIPE_FORMAT_B5G6R5_UNORM, 0x07e0, {0.0, 1.0, 0.0, 1.0}}, + {PIPE_FORMAT_B5G6R5_UNORM, 0xf800, {1.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_B5G6R5_UNORM, 0xffff, {1.0, 1.0, 1.0, 1.0}}, + + {PIPE_FORMAT_B5G5R5A1_UNORM, 0x0000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_B5G5R5A1_UNORM, 0x001f, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_B5G5R5A1_UNORM, 0x03e0, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_B5G5R5A1_UNORM, 0x7c00, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_B5G5R5A1_UNORM, 0x8000, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_B5G5R5A1_UNORM, 0xffff, {1.0, 1.0, 1.0, 1.0}}, + + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x00000000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x000000ff, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x0000ff00, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x00ff0000, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0xff000000, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0xffffffff, {1.0, 1.0, 1.0, 1.0}}, + +#if 0 + {PIPE_FORMAT_R8G8B8A8_UNORM, 0x00000000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_R8G8B8A8_UNORM, 0x000000ff, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_R8G8B8A8_UNORM, 0x0000ff00, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_R8G8B8A8_UNORM, 0x00ff0000, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_R8G8B8A8_UNORM, 0xff000000, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_R8G8B8A8_UNORM, 0xffffffff, {1.0, 1.0, 1.0, 1.0}}, +#endif + + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x00000000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x000000ff, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x0000ff00, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x00ff0000, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0xff000000, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0xffffffff, {1.0, 1.0, 1.0, 1.0}}, +}; + + +void +write_tsv_header(FILE *fp) +{ + fprintf(fp, + "result\t" + "format\n"); + + fflush(fp); +} + + +static void +write_tsv_row(FILE *fp, + const struct util_format_description *desc, + boolean success) +{ + fprintf(fp, "%s\t", success ? "pass" : "fail"); + + fprintf(fp, "%s\n", desc->name); + + fflush(fp); +} + + +typedef void (*load_ptr_t)(const uint32_t packed, float *); + + +static LLVMValueRef +add_load_rgba_test(LLVMModuleRef module, + const struct util_format_description *desc) +{ + LLVMTypeRef args[2]; + LLVMValueRef func; + LLVMValueRef packed; + LLVMValueRef rgba_ptr; + LLVMBasicBlockRef block; + LLVMBuilderRef builder; + LLVMValueRef rgba; + + args[0] = LLVMInt32Type(); + args[1] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0); + + func = LLVMAddFunction(module, "load", LLVMFunctionType(LLVMVoidType(), args, 2, 0)); + LLVMSetFunctionCallConv(func, LLVMCCallConv); + packed = LLVMGetParam(func, 0); + rgba_ptr = LLVMGetParam(func, 1); + + block = LLVMAppendBasicBlock(func, "entry"); + builder = LLVMCreateBuilder(); + LLVMPositionBuilderAtEnd(builder, block); + + if(desc->block.bits < 32) + packed = LLVMBuildTrunc(builder, packed, LLVMIntType(desc->block.bits), ""); + + rgba = lp_build_unpack_rgba_aos(builder, desc, packed); + + LLVMBuildStore(builder, rgba, rgba_ptr); + + LLVMBuildRetVoid(builder); + + LLVMDisposeBuilder(builder); + return func; +} + + +typedef void (*store_ptr_t)(uint32_t *, const float *); + + +static LLVMValueRef +add_store_rgba_test(LLVMModuleRef module, + const struct util_format_description *desc) +{ + LLVMTypeRef args[2]; + LLVMValueRef func; + LLVMValueRef packed_ptr; + LLVMValueRef rgba_ptr; + LLVMBasicBlockRef block; + LLVMBuilderRef builder; + LLVMValueRef rgba; + LLVMValueRef packed; + + args[0] = LLVMPointerType(LLVMInt32Type(), 0); + args[1] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0); + + func = LLVMAddFunction(module, "store", LLVMFunctionType(LLVMVoidType(), args, 2, 0)); + LLVMSetFunctionCallConv(func, LLVMCCallConv); + packed_ptr = LLVMGetParam(func, 0); + rgba_ptr = LLVMGetParam(func, 1); + + block = LLVMAppendBasicBlock(func, "entry"); + builder = LLVMCreateBuilder(); + LLVMPositionBuilderAtEnd(builder, block); + + rgba = LLVMBuildLoad(builder, rgba_ptr, ""); + + packed = lp_build_pack_rgba_aos(builder, desc, rgba); + + if(desc->block.bits < 32) + packed = LLVMBuildZExt(builder, packed, LLVMInt32Type(), ""); + + LLVMBuildStore(builder, packed, packed_ptr); + + LLVMBuildRetVoid(builder); + + LLVMDisposeBuilder(builder); + return func; +} + + +PIPE_ALIGN_STACK +static boolean +test_format(unsigned verbose, FILE *fp, const struct pixel_test_case *test) +{ + LLVMModuleRef module = NULL; + LLVMValueRef load = NULL; + LLVMValueRef store = NULL; + LLVMExecutionEngineRef engine = NULL; + LLVMModuleProviderRef provider = NULL; + LLVMPassManagerRef pass = NULL; + char *error = NULL; + const struct util_format_description *desc; + load_ptr_t load_ptr; + store_ptr_t store_ptr; + float unpacked[4]; + unsigned packed; + boolean success; + unsigned i; + + desc = util_format_description(test->format); + fprintf(stderr, "%s\n", desc->name); + + module = LLVMModuleCreateWithName("test"); + + load = add_load_rgba_test(module, desc); + store = add_store_rgba_test(module, desc); + + if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) { + LLVMDumpModule(module); + abort(); + } + LLVMDisposeMessage(error); + + provider = LLVMCreateModuleProviderForExistingModule(module); + if (LLVMCreateJITCompiler(&engine, provider, 1, &error)) { + fprintf(stderr, "%s\n", error); + LLVMDisposeMessage(error); + abort(); + } + +#if 0 + pass = LLVMCreatePassManager(); + LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass); + /* These are the passes currently listed in llvm-c/Transforms/Scalar.h, + * but there are more on SVN. */ + LLVMAddConstantPropagationPass(pass); + LLVMAddInstructionCombiningPass(pass); + LLVMAddPromoteMemoryToRegisterPass(pass); + LLVMAddGVNPass(pass); + LLVMAddCFGSimplificationPass(pass); + LLVMRunPassManager(pass, module); +#else + (void)pass; +#endif + + load_ptr = (load_ptr_t) LLVMGetPointerToGlobal(engine, load); + store_ptr = (store_ptr_t)LLVMGetPointerToGlobal(engine, store); + + memset(unpacked, 0, sizeof unpacked); + packed = 0; + + load_ptr(test->packed, unpacked); + store_ptr(&packed, unpacked); + + success = TRUE; + if(test->packed != packed) + success = FALSE; + for(i = 0; i < 4; ++i) + if(test->unpacked[i] != unpacked[i]) + success = FALSE; + + if (!success) { + printf("FAILED\n"); + printf(" Packed: %08x\n", test->packed); + printf(" %08x\n", packed); + printf(" Unpacked: %f %f %f %f\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]); + printf(" %f %f %f %f\n", test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]); + LLVMDumpModule(module); + } + + LLVMFreeMachineCodeForFunction(engine, store); + LLVMFreeMachineCodeForFunction(engine, load); + + LLVMDisposeExecutionEngine(engine); + if(pass) + LLVMDisposePassManager(pass); + + if(fp) + write_tsv_row(fp, desc, success); + + return success; +} + + +boolean +test_all(unsigned verbose, FILE *fp) +{ + unsigned i; + bool success = TRUE; + + for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i) + if(!test_format(verbose, fp, &test_cases[i])) + success = FALSE; + + return success; +} + + +boolean +test_some(unsigned verbose, FILE *fp, unsigned long n) +{ + return test_all(verbose, fp); +} -- 2.7.4