src/gallium/drivers/llvmpipe/lp_test_format.c - platform/external/mesa3d - Git at Google

 /**************************************************************************
  *
  * 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/format/u_format.h"
 #include "util/format/u_format_tests.h"
 #include "util/format/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"

 static struct lp_build_format_cache *cache_ptr;

 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
 (*fetch_ptr_t)(void *unpacked, const void *packed,
                unsigned i, unsigned j, struct lp_build_format_cache *cache);


 static LLVMValueRef
 add_fetch_rgba_test(struct gallivm_state *gallivm, unsigned verbose,
                     const struct util_format_description *desc,
                     struct lp_type type,
                     unsigned use_cache)
 {
    char name[256];
    LLVMContextRef context = gallivm->context;
    LLVMModuleRef module = gallivm->module;
    LLVMBuilderRef builder = gallivm->builder;
    LLVMTypeRef args[5];
    LLVMValueRef func;
    LLVMValueRef packed_ptr;
    LLVMValueRef offset = LLVMConstNull(LLVMInt32TypeInContext(context));
    LLVMValueRef rgba_ptr;
    LLVMValueRef i;
    LLVMValueRef j;
    LLVMBasicBlockRef block;
    LLVMValueRef rgba;
    LLVMValueRef cache = NULL;

    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);
    args[4] = LLVMPointerType(lp_build_format_cache_type(gallivm), 0);

    func = LLVMAddFunction(module, name,
                           LLVMFunctionType(LLVMVoidTypeInContext(context),
                                            args, ARRAY_SIZE(args), 0));
    LLVMSetFunctionCallConv(func, LLVMCCallConv);
    rgba_ptr = LLVMGetParam(func, 0);
    packed_ptr = LLVMGetParam(func, 1);
    i = LLVMGetParam(func, 2);
    j = LLVMGetParam(func, 3);

    if (use_cache) {
       cache = LLVMGetParam(func, 4);
    }

    block = LLVMAppendBasicBlockInContext(context, func, "entry");
    LLVMPositionBuilderAtEnd(builder, block);

    rgba = lp_build_fetch_rgba_aos(gallivm, desc, type, TRUE,
                                   packed_ptr, offset, i, j, cache);

    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,
                   unsigned use_cache)
 {
    LLVMContextRef context;
    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;

    context = LLVMContextCreate();
    gallivm = gallivm_create("test_module_float", context, NULL);

    fetch = add_fetch_rgba_test(gallivm, verbose, desc,
                                lp_float32_vec4_type(), use_cache);

    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);
             fflush(stdout);
             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, use_cache ? cache_ptr : NULL);

                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;
                   }
                }

                /* Ignore errors in S3TC for now */
                if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
                   match = TRUE;
                }

                if (!match) {
                   printf("FAILED\n");
                   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]);
                   fflush(stdout);
                   success = FALSE;
                }
             }
          }
       }
    }

    gallivm_destroy(gallivm);
    LLVMContextDispose(context);

    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,
                    unsigned use_cache)
 {
    LLVMContextRef context;
    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;

    context = LLVMContextCreate();
    gallivm = gallivm_create("test_module_unorm8", context, NULL);

    fetch = add_fetch_rgba_test(gallivm, verbose, desc,
                                lp_unorm8_vec4_type(), use_cache);

    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, use_cache ? cache_ptr : NULL);

                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;
                }

                /* Ignore errors in S3TC as we only implement a poor man approach */
                if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
                   match = TRUE;
                }

                if (!match) {
                   printf("FAILED\n");
                   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);
    LLVMContextDispose(context);

    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,
          unsigned use_cache)
 {
    boolean success = TRUE;

    if (!test_format_float(verbose, fp, format_desc, use_cache)) {
      success = FALSE;
    }

    if (!test_format_unorm8(verbose, fp, format_desc, use_cache)) {
      success = FALSE;
    }

    return success;
 }


 boolean
 test_all(unsigned verbose, FILE *fp)
 {
    enum pipe_format format;
    boolean success = TRUE;
    unsigned use_cache;

    cache_ptr = align_malloc(sizeof(struct lp_build_format_cache), 16);

    for (use_cache = 0; use_cache < 2; use_cache++) {
       for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
          const struct util_format_description *format_desc;
          const struct util_format_unpack_description *unpack =
             util_format_unpack_description(format);

          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;

          /* The codegen sometimes falls back to calling the precompiled fetch
           * func, so if we don't have one of those (some compressed formats,
           * some ), we can't reliably test it.  We'll surely have a
           * precompiled fetch func for any format before we write LLVM code to
           * fetch from it.
           */
          if (!unpack->fetch_rgba_float)
             continue;

          /* only test twice with formats which can use cache */
          if (format_desc->layout != UTIL_FORMAT_LAYOUT_S3TC && use_cache) {
             continue;
          }

          if (!test_one(verbose, fp, format_desc, use_cache)) {
             success = FALSE;
          }
       }
    }
    align_free(cache_ptr);

    return success;
 }


 boolean
 test_some(unsigned verbose, FILE *fp,
           unsigned long n)
 {
    return test_all(verbose, fp);
 }


 boolean
 test_single(unsigned verbose, FILE *fp)
 {
    printf("no test_single()");
    return TRUE;
 }
	/**************************************************************************
	*
	* 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/format/u_format.h"
	#include "util/format/u_format_tests.h"
	#include "util/format/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"

	static struct lp_build_format_cache *cache_ptr;

	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
	(fetch_ptr_t)(void unpacked, const void *packed,
	unsigned i, unsigned j, struct lp_build_format_cache *cache);


	static LLVMValueRef
	add_fetch_rgba_test(struct gallivm_state *gallivm, unsigned verbose,
	const struct util_format_description *desc,
	struct lp_type type,
	unsigned use_cache)
	{
	char name[256];
	LLVMContextRef context = gallivm->context;
	LLVMModuleRef module = gallivm->module;
	LLVMBuilderRef builder = gallivm->builder;
	LLVMTypeRef args[5];
	LLVMValueRef func;
	LLVMValueRef packed_ptr;
	LLVMValueRef offset = LLVMConstNull(LLVMInt32TypeInContext(context));
	LLVMValueRef rgba_ptr;
	LLVMValueRef i;
	LLVMValueRef j;
	LLVMBasicBlockRef block;
	LLVMValueRef rgba;
	LLVMValueRef cache = NULL;

	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);
	args[4] = LLVMPointerType(lp_build_format_cache_type(gallivm), 0);

	func = LLVMAddFunction(module, name,
	LLVMFunctionType(LLVMVoidTypeInContext(context),
	args, ARRAY_SIZE(args), 0));
	LLVMSetFunctionCallConv(func, LLVMCCallConv);
	rgba_ptr = LLVMGetParam(func, 0);
	packed_ptr = LLVMGetParam(func, 1);
	i = LLVMGetParam(func, 2);
	j = LLVMGetParam(func, 3);

	if (use_cache) {
	cache = LLVMGetParam(func, 4);
	}

	block = LLVMAppendBasicBlockInContext(context, func, "entry");
	LLVMPositionBuilderAtEnd(builder, block);

	rgba = lp_build_fetch_rgba_aos(gallivm, desc, type, TRUE,
	packed_ptr, offset, i, j, cache);

	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,
	unsigned use_cache)
	{
	LLVMContextRef context;
	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;

	context = LLVMContextCreate();
	gallivm = gallivm_create("test_module_float", context, NULL);

	fetch = add_fetch_rgba_test(gallivm, verbose, desc,
	lp_float32_vec4_type(), use_cache);

	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);
	fflush(stdout);
	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, use_cache ? cache_ptr : NULL);

	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;
	}
	}

	/* Ignore errors in S3TC for now */
	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
	match = TRUE;
	}

	if (!match) {
	printf("FAILED\n");
	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]);
	fflush(stdout);
	success = FALSE;
	}
	}
	}
	}
	}

	gallivm_destroy(gallivm);
	LLVMContextDispose(context);

	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,
	unsigned use_cache)
	{
	LLVMContextRef context;
	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;

	context = LLVMContextCreate();
	gallivm = gallivm_create("test_module_unorm8", context, NULL);

	fetch = add_fetch_rgba_test(gallivm, verbose, desc,
	lp_unorm8_vec4_type(), use_cache);

	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, use_cache ? cache_ptr : NULL);

	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;
	}

	/* Ignore errors in S3TC as we only implement a poor man approach */
	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
	match = TRUE;
	}

	if (!match) {
	printf("FAILED\n");
	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);
	LLVMContextDispose(context);

	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,
	unsigned use_cache)
	{
	boolean success = TRUE;

	if (!test_format_float(verbose, fp, format_desc, use_cache)) {
	success = FALSE;
	}

	if (!test_format_unorm8(verbose, fp, format_desc, use_cache)) {
	success = FALSE;
	}

	return success;
	}


	boolean
	test_all(unsigned verbose, FILE *fp)
	{
	enum pipe_format format;
	boolean success = TRUE;
	unsigned use_cache;

	cache_ptr = align_malloc(sizeof(struct lp_build_format_cache), 16);

	for (use_cache = 0; use_cache < 2; use_cache++) {
	for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
	const struct util_format_description *format_desc;
	const struct util_format_unpack_description *unpack =
	util_format_unpack_description(format);

	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;

	/* The codegen sometimes falls back to calling the precompiled fetch
	* func, so if we don't have one of those (some compressed formats,
	* some ), we can't reliably test it. We'll surely have a
	* precompiled fetch func for any format before we write LLVM code to
	* fetch from it.
	*/
	if (!unpack->fetch_rgba_float)
	continue;

	/* only test twice with formats which can use cache */
	if (format_desc->layout != UTIL_FORMAT_LAYOUT_S3TC && use_cache) {
	continue;
	}

	if (!test_one(verbose, fp, format_desc, use_cache)) {
	success = FALSE;
	}
	}
	}
	align_free(cache_ptr);

	return success;
	}


	boolean
	test_some(unsigned verbose, FILE *fp,
	unsigned long n)
	{
	return test_all(verbose, fp);
	}


	boolean
	test_single(unsigned verbose, FILE *fp)
	{
	printf("no test_single()");
	return TRUE;
	}