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/**************************************************************************
*
* 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.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}},
{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}},
{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}},
};
static LLVMValueRef
add_unpack_rgba_test(LLVMModuleRef module,
enum pipe_format format)
{
LLVMTypeRef args[] = {
LLVMPointerType(LLVMInt8Type(), 0),
LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0)
};
LLVMValueRef func = LLVMAddFunction(module, "unpack", LLVMFunctionType(LLVMVoidType(), args, 2, 0));
LLVMSetFunctionCallConv(func, LLVMCCallConv);
LLVMValueRef ptr = LLVMGetParam(func, 0);
LLVMValueRef rgba_ptr = LLVMGetParam(func, 1);
LLVMBasicBlockRef block = LLVMAppendBasicBlock(func, "entry");
LLVMBuilderRef builder = LLVMCreateBuilder();
LLVMPositionBuilderAtEnd(builder, block);
LLVMValueRef rgba;
struct lp_build_loop_state loop;
lp_build_loop_begin(builder, LLVMConstInt(LLVMInt32Type(), 1, 0), &loop);
rgba = lp_build_unpack_rgba(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;
}
static LLVMValueRef
add_pack_rgba_test(LLVMModuleRef module,
enum pipe_format format)
{
LLVMTypeRef args[] = {
LLVMPointerType(LLVMInt8Type(), 0),
LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0)
};
LLVMValueRef func = LLVMAddFunction(module, "pack", LLVMFunctionType(LLVMVoidType(), args, 2, 0));
LLVMSetFunctionCallConv(func, LLVMCCallConv);
LLVMValueRef ptr = LLVMGetParam(func, 0);
LLVMValueRef rgba_ptr = LLVMGetParam(func, 1);
LLVMBasicBlockRef block = LLVMAppendBasicBlock(func, "entry");
LLVMBuilderRef builder = LLVMCreateBuilder();
LLVMPositionBuilderAtEnd(builder, block);
LLVMValueRef rgba;
rgba = LLVMBuildLoad(builder, rgba_ptr, "");
lp_build_pack_rgba(builder, format, ptr, rgba);
LLVMBuildRetVoid(builder);
LLVMDisposeBuilder(builder);
return func;
}
static boolean
test_format(const struct pixel_test_case *test)
{
char *error = NULL;
const struct util_format_description *desc;
desc = util_format_description(test->format);
fprintf(stderr, "%s\n", desc->name);
LLVMModuleRef module = LLVMModuleCreateWithName("test");
LLVMValueRef unpack = add_unpack_rgba_test(module, test->format);
LLVMValueRef pack = add_pack_rgba_test(module, test->format);
LLVMVerifyModule(module, LLVMAbortProcessAction, &error);
LLVMDisposeMessage(error);
LLVMExecutionEngineRef engine;
LLVMModuleProviderRef provider = LLVMCreateModuleProviderForExistingModule(module);
error = NULL;
LLVMCreateJITCompiler(&engine, provider, 1, &error);
if (error) {
fprintf(stderr, "%s\n", error);
LLVMDisposeMessage(error);
abort();
}
LLVMPassManagerRef pass = LLVMCreatePassManager();
#if 0
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);
LLVMAddDemoteMemoryToRegisterPass(pass);
LLVMAddGVNPass(pass);
LLVMAddCFGSimplificationPass(pass);
LLVMRunPassManager(pass, module);
LLVMDumpModule(module);
#endif
float unpacked[4] = {0, 0, 0, 0};
unsigned packed = 0;
{
typedef void (*unpack_ptr_t)(const void *, float *);
unpack_ptr_t unpack_ptr = (unpack_ptr_t)LLVMGetPointerToGlobal(engine, unpack);
unpack_ptr(&test->packed, unpacked);
}
{
typedef void (*pack_ptr_t)(void *, const float *);
pack_ptr_t pack_ptr = (pack_ptr_t)LLVMGetPointerToGlobal(engine, pack);
pack_ptr(&packed, unpacked);
}
boolean success = TRUE;
unsigned i;
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);
}
LLVMDisposePassManager(pass);
LLVMDisposeExecutionEngine(engine);
//LLVMDisposeModule(module);
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;
}
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