/**************************************************************************
*
* 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 <float.h>
#include "util/u_memory.h"
#include "util/u_pointer.h"
#include "util/u_string.h"
#include "util/u_format.h"
#include "util/u_format_tests.h"
#include "util/u_format_s3tc.h"
#include "gallivm/lp_bld.h"
#include "gallivm/lp_bld_debug.h"
#include "gallivm/lp_bld_format.h"
#include "gallivm/lp_bld_init.h"
#include "lp_test.h"
void
write_tsv_header(FILE *fp)
{
"result\t"
"format\n");
}
static void
write_tsv_row(FILE *fp,
const struct util_format_description *desc,
boolean success)
{
fprintf(fp
, "%s\t", success
? "pass" : "fail");
}
typedef void
(*fetch_ptr_t)(void *unpacked, const void *packed,
unsigned i, unsigned j);
static LLVMValueRef
add_fetch_rgba_test(struct gallivm_state *gallivm, unsigned verbose,
const struct util_format_description *desc,
struct lp_type type)
{
char name[256];
LLVMContextRef context = gallivm->context;
LLVMModuleRef module = gallivm->module;
LLVMBuilderRef builder = gallivm->builder;
LLVMTypeRef args[4];
LLVMValueRef func;
LLVMValueRef packed_ptr;
LLVMValueRef offset = LLVMConstNull(LLVMInt32TypeInContext(context));
LLVMValueRef rgba_ptr;
LLVMValueRef i;
LLVMValueRef j;
LLVMBasicBlockRef block;
LLVMValueRef rgba;
util_snprintf(name, sizeof name, "fetch_%s_%s", desc->short_name,
type.floating ? "float" : "unorm8");
args[0] = LLVMPointerType(lp_build_vec_type(gallivm, type), 0);
args[1] = LLVMPointerType(LLVMInt8TypeInContext(context), 0);
args[3] = args[2] = LLVMInt32TypeInContext(context);
func = LLVMAddFunction(module, name,
LLVMFunctionType(LLVMVoidTypeInContext(context),
args, Elements(args), 0));
LLVMSetFunctionCallConv(func, LLVMCCallConv);
rgba_ptr = LLVMGetParam(func, 0);
packed_ptr = LLVMGetParam(func, 1);
i = LLVMGetParam(func, 2);
j = LLVMGetParam(func, 3);
block = LLVMAppendBasicBlockInContext(context, func, "entry");
LLVMPositionBuilderAtEnd(builder, block);
rgba = lp_build_fetch_rgba_aos(gallivm, desc, type, TRUE,
packed_ptr, offset, i, j);
LLVMBuildStore(builder, rgba, rgba_ptr);
LLVMBuildRetVoid(builder);
gallivm_verify_function(gallivm, func);
return func;
}
PIPE_ALIGN_STACK
static boolean
test_format_float(unsigned verbose, FILE *fp,
const struct util_format_description *desc)
{
struct gallivm_state *gallivm;
LLVMValueRef fetch = NULL;
fetch_ptr_t fetch_ptr;
PIPE_ALIGN_VAR(16) uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
PIPE_ALIGN_VAR(16) float unpacked[4];
boolean first = TRUE;
boolean success = TRUE;
unsigned i, j, k, l;
gallivm = gallivm_create("test_module_float", LLVMGetGlobalContext());
fetch = add_fetch_rgba_test(gallivm, verbose, desc, lp_float32_vec4_type());
gallivm_compile_module(gallivm);
fetch_ptr = (fetch_ptr_t) gallivm_jit_function(gallivm, fetch);
gallivm_free_ir(gallivm);
for (l = 0; l < util_format_nr_test_cases; ++l) {
const struct util_format_test_case *test = &util_format_test_cases[l];
if (test->format == desc->format) {
if (first) {
printf("Testing %s (float) ...\n", desc->name);
first = FALSE;
}
/* To ensure it's 16-byte aligned */
memcpy(packed
, test
->packed
, sizeof packed
);
for (i = 0; i < desc->block.height; ++i) {
for (j = 0; j < desc->block.width; ++j) {
boolean match = TRUE;
memset(unpacked
, 0, sizeof unpacked
);
fetch_ptr(unpacked, packed, j, i);
for(k = 0; k < 4; ++k) {
if (util_double_inf_sign(test->unpacked[i][j][k]) != util_inf_sign(unpacked[k])) {
match = FALSE;
}
if (util_is_double_nan(test->unpacked[i][j][k]) != util_is_nan(unpacked[k])) {
match = FALSE;
}
if (!util_is_double_inf_or_nan(test->unpacked[i][j][k]) &&
fabs((float)test
->unpacked
[i
][j
][k
] - unpacked
[k
]) > FLT_EPSILON
) { match = FALSE;
}
}
if (!match) {
printf(" Packed: %02x %02x %02x %02x\n", test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
printf(" Unpacked (%u,%u): %.9g %.9g %.9g %.9g obtained\n", j, i,
unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
printf(" %.9g %.9g %.9g %.9g expected\n", test->unpacked[i][j][0],
test->unpacked[i][j][1],
test->unpacked[i][j][2],
test->unpacked[i][j][3]);
success = FALSE;
}
}
}
}
}
gallivm_destroy(gallivm);
if(fp)
write_tsv_row(fp, desc, success);
return success;
}
PIPE_ALIGN_STACK
static boolean
test_format_unorm8(unsigned verbose, FILE *fp,
const struct util_format_description *desc)
{
struct gallivm_state *gallivm;
LLVMValueRef fetch = NULL;
fetch_ptr_t fetch_ptr;
PIPE_ALIGN_VAR(16) uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
uint8_t unpacked[4];
boolean first = TRUE;
boolean success = TRUE;
unsigned i, j, k, l;
gallivm = gallivm_create("test_module_unorm8", LLVMGetGlobalContext());
fetch = add_fetch_rgba_test(gallivm, verbose, desc, lp_unorm8_vec4_type());
gallivm_compile_module(gallivm);
fetch_ptr = (fetch_ptr_t) gallivm_jit_function(gallivm, fetch);
gallivm_free_ir(gallivm);
for (l = 0; l < util_format_nr_test_cases; ++l) {
const struct util_format_test_case *test = &util_format_test_cases[l];
if (test->format == desc->format) {
if (first) {
printf("Testing %s (unorm8) ...\n", desc->name);
first = FALSE;
}
/* To ensure it's 16-byte aligned */
/* Could skip this and use unaligned lp_build_fetch_rgba_aos */
memcpy(packed
, test
->packed
, sizeof packed
);
for (i = 0; i < desc->block.height; ++i) {
for (j = 0; j < desc->block.width; ++j) {
boolean match;
memset(unpacked
, 0, sizeof unpacked
);
fetch_ptr(unpacked, packed, j, i);
match = TRUE;
for(k = 0; k < 4; ++k) {
int error = float_to_ubyte(test->unpacked[i][j][k]) - unpacked[k];
if (util_is_double_nan(test->unpacked[i][j][k]))
continue;
if (error < 0)
error = -error;
if (error > 1)
match = FALSE;
}
if (!match) {
printf(" Packed: %02x %02x %02x %02x\n", test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
printf(" Unpacked (%u,%u): %02x %02x %02x %02x obtained\n", j, i,
unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
printf(" %02x %02x %02x %02x expected\n", float_to_ubyte(test->unpacked[i][j][0]),
float_to_ubyte(test->unpacked[i][j][1]),
float_to_ubyte(test->unpacked[i][j][2]),
float_to_ubyte(test->unpacked[i][j][3]));
success = FALSE;
}
}
}
}
}
gallivm_destroy(gallivm);
if(fp)
write_tsv_row(fp, desc, success);
return success;
}
static boolean
test_one(unsigned verbose, FILE *fp,
const struct util_format_description *format_desc)
{
boolean success = TRUE;
if (!test_format_float(verbose, fp, format_desc)) {
success = FALSE;
}
if (!test_format_unorm8(verbose, fp, format_desc)) {
success = FALSE;
}
return success;
}
boolean
test_all(unsigned verbose, FILE *fp)
{
enum pipe_format format;
boolean success = TRUE;
util_format_s3tc_init();
for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
const struct util_format_description *format_desc;
format_desc = util_format_description(format);
if (!format_desc) {
continue;
}
/*
* TODO: test more
*/
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
continue;
}
if (util_format_is_pure_integer(format))
continue;
if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC &&
!util_format_s3tc_enabled) {
continue;
}
if (!test_one(verbose, fp, format_desc)) {
success = FALSE;
}
}
return success;
}
boolean
test_some(unsigned verbose, FILE *fp,
unsigned long n)
{
return test_all(verbose, fp);
}
boolean
test_single(unsigned verbose, FILE *fp)
{
return TRUE;
}