diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_test_format.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_test_format.c | 272 |
1 files changed, 272 insertions, 0 deletions
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 0000000000..d8455e5649 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_test_format.c @@ -0,0 +1,272 @@ +/************************************************************************** + * + * 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 <stdlib.h> +#include <stdio.h> + +#include <llvm-c/Core.h> +#include <llvm-c/Analysis.h> +#include <llvm-c/ExecutionEngine.h> +#include <llvm-c/Target.h> +#include <llvm-c/Transforms/Scalar.h> + +#include "util/u_format.h" + +#include "lp_bld_flow.h" +#include "lp_bld_format.h" + + +struct pixel_test_case +{ + enum pipe_format format; + uint32_t packed; + double unpacked[4]; +}; + + +struct pixel_test_case test_cases[] = +{ + {PIPE_FORMAT_R5G6B5_UNORM, 0x0000, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_R5G6B5_UNORM, 0x001f, {0.0, 0.0, 1.0, 1.0}}, + {PIPE_FORMAT_R5G6B5_UNORM, 0x07e0, {0.0, 1.0, 0.0, 1.0}}, + {PIPE_FORMAT_R5G6B5_UNORM, 0xf800, {1.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_R5G6B5_UNORM, 0xffff, {1.0, 1.0, 1.0, 1.0}}, + + {PIPE_FORMAT_A1R5G5B5_UNORM, 0x0000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_A1R5G5B5_UNORM, 0x001f, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_A1R5G5B5_UNORM, 0x03e0, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_A1R5G5B5_UNORM, 0x7c00, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_A1R5G5B5_UNORM, 0x8000, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_A1R5G5B5_UNORM, 0xffff, {1.0, 1.0, 1.0, 1.0}}, + + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x00000000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x000000ff, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x0000ff00, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0x00ff0000, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_A8R8G8B8_UNORM, 0xff000000, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_A8R8G8B8_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_B8G8R8A8_UNORM, 0x00000000, {0.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x000000ff, {0.0, 0.0, 0.0, 1.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x0000ff00, {1.0, 0.0, 0.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0x00ff0000, {0.0, 1.0, 0.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0xff000000, {0.0, 0.0, 1.0, 0.0}}, + {PIPE_FORMAT_B8G8R8A8_UNORM, 0xffffffff, {1.0, 1.0, 1.0, 1.0}}, +}; + + +typedef void (*load_ptr_t)(const void *, float *); + + +static LLVMValueRef +add_load_rgba_test(LLVMModuleRef module, + enum pipe_format format) +{ + LLVMTypeRef args[2]; + LLVMValueRef func; + LLVMValueRef ptr; + LLVMValueRef rgba_ptr; + LLVMBasicBlockRef block; + LLVMBuilderRef builder; + LLVMValueRef rgba; + struct lp_build_loop_state loop; + + args[0] = LLVMPointerType(LLVMInt8Type(), 0); + args[1] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0); + + func = LLVMAddFunction(module, "load", LLVMFunctionType(LLVMVoidType(), args, 2, 0)); + LLVMSetFunctionCallConv(func, LLVMCCallConv); + ptr = LLVMGetParam(func, 0); + rgba_ptr = LLVMGetParam(func, 1); + + block = LLVMAppendBasicBlock(func, "entry"); + builder = LLVMCreateBuilder(); + LLVMPositionBuilderAtEnd(builder, block); + + lp_build_loop_begin(builder, LLVMConstInt(LLVMInt32Type(), 1, 0), &loop); + + rgba = lp_build_load_rgba_aos(builder, format, ptr); + LLVMBuildStore(builder, rgba, rgba_ptr); + + lp_build_loop_end(builder, LLVMConstInt(LLVMInt32Type(), 4, 0), NULL, &loop); + + LLVMBuildRetVoid(builder); + + LLVMDisposeBuilder(builder); + return func; +} + + +typedef void (*store_ptr_t)(void *, const float *); + + +static LLVMValueRef +add_store_rgba_test(LLVMModuleRef module, + enum pipe_format format) +{ + LLVMTypeRef args[2]; + LLVMValueRef func; + LLVMValueRef ptr; + LLVMValueRef rgba_ptr; + LLVMBasicBlockRef block; + LLVMBuilderRef builder; + LLVMValueRef rgba; + + args[0] = LLVMPointerType(LLVMInt8Type(), 0); + args[1] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0); + + func = LLVMAddFunction(module, "store", LLVMFunctionType(LLVMVoidType(), args, 2, 0)); + LLVMSetFunctionCallConv(func, LLVMCCallConv); + ptr = LLVMGetParam(func, 0); + rgba_ptr = LLVMGetParam(func, 1); + + block = LLVMAppendBasicBlock(func, "entry"); + builder = LLVMCreateBuilder(); + LLVMPositionBuilderAtEnd(builder, block); + + rgba = LLVMBuildLoad(builder, rgba_ptr, ""); + + lp_build_store_rgba_aos(builder, format, ptr, rgba); + + LLVMBuildRetVoid(builder); + + LLVMDisposeBuilder(builder); + return func; +} + + +static boolean +test_format(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, test->format); + store = add_store_rgba_test(module, test->format); + + 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); + + return success; +} + + +int main(int argc, char **argv) +{ + unsigned i; + int ret; + + for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i) + if(!test_format(&test_cases[i])) + ret = 1; + + return ret; +} |