util: use standard name for snprintf()
[mesa.git] / src / gallium / drivers / llvmpipe / lp_test_format.c
index fbac815d107326512bd2c726577e6cc876e7e971..31d965de59725089064203996ec307d43e0992a7 100644 (file)
 #include <stdio.h>
 #include <float.h>
 
-#include "gallivm/lp_bld.h"
-#include "gallivm/lp_bld_init.h"
-#include <llvm-c/Analysis.h>
-#include <llvm-c/Target.h>
-#include <llvm-c/Transforms/Scalar.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"
 
+static struct lp_build_format_cache *cache_ptr;
 
 void
 write_tsv_header(FILE *fp)
@@ -70,115 +71,161 @@ write_tsv_row(FILE *fp,
 
 
 typedef void
-(*fetch_ptr_t)(float *, const void *packed,
-               unsigned i, unsigned j);
+(*fetch_ptr_t)(void *unpacked, const void *packed,
+               unsigned i, unsigned j, struct lp_build_format_cache *cache);
 
 
 static LLVMValueRef
-add_fetch_rgba_test(LLVMModuleRef lp_build_module,
-                    const struct util_format_description *desc)
+add_fetch_rgba_test(struct gallivm_state *gallivm, unsigned verbose,
+                    const struct util_format_description *desc,
+                    struct lp_type type,
+                    unsigned use_cache)
 {
-   LLVMTypeRef args[4];
+   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;
-   LLVMBuilderRef builder;
    LLVMValueRef rgba;
+   LLVMValueRef cache = NULL;
+
+   snprintf(name, sizeof name, "fetch_%s_%s", desc->short_name,
+            type.floating ? "float" : "unorm8");
 
-   args[0] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0);
-   args[1] = LLVMPointerType(LLVMInt8Type(), 0);
-   args[3] = args[2] = LLVMInt32Type();
+   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(lp_build_module, "fetch", LLVMFunctionType(LLVMVoidType(), args, Elements(args), 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);
 
-   block = LLVMAppendBasicBlock(func, "entry");
-   builder = LLVMCreateBuilder();
+   if (use_cache) {
+      cache = LLVMGetParam(func, 4);
+   }
+
+   block = LLVMAppendBasicBlockInContext(context, func, "entry");
    LLVMPositionBuilderAtEnd(builder, block);
 
-   rgba = lp_build_fetch_rgba_aos(builder, desc, packed_ptr, i, j);
+   rgba = lp_build_fetch_rgba_aos(gallivm, desc, type, TRUE,
+                                  packed_ptr, offset, i, j, cache);
 
    LLVMBuildStore(builder, rgba, rgba_ptr);
 
    LLVMBuildRetVoid(builder);
 
-   LLVMDisposeBuilder(builder);
+   gallivm_verify_function(gallivm, func);
+
    return func;
 }
 
 
 PIPE_ALIGN_STACK
 static boolean
-test_format(unsigned verbose, FILE *fp,
-            const struct util_format_description *desc,
-            const struct util_format_test_case *test)
+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;
-   LLVMPassManagerRef pass = NULL;
    fetch_ptr_t fetch_ptr;
-   float unpacked[4];
-   boolean success;
-   unsigned i;
+   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;
 
-   fetch = add_fetch_rgba_test(lp_build_module, desc);
+   context = LLVMContextCreate();
+   gallivm = gallivm_create("test_module_float", context);
 
-   if (LLVMVerifyFunction(fetch, LLVMPrintMessageAction)) {
-      LLVMDumpValue(fetch);
-      abort();
-   }
+   fetch = add_fetch_rgba_test(gallivm, verbose, desc,
+                               lp_float32_vec4_type(), use_cache);
 
-#if 0
-   pass = LLVMCreatePassManager();
-   LLVMAddTargetData(LLVMGetExecutionEngineTargetData(lp_build_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, lp_build_module);
-#else
-   (void)pass;
-#endif
-
-   fetch_ptr = (fetch_ptr_t) LLVMGetPointerToGlobal(lp_build_engine, fetch);
-
-   memset(unpacked, 0, sizeof unpacked);
-
-   fetch_ptr(unpacked, test->packed, 0, 0);
-
-   success = TRUE;
-   for(i = 0; i < 4; ++i)
-      if (fabs((float)test->unpacked[0][0][i] - unpacked[i]) > FLT_EPSILON)
-         success = FALSE;
-
-   if (!success) {
-      printf("FAILED\n");
-      printf("  Packed: %02x %02x %02x %02x\n",
-             test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
-      printf("  Unpacked: %f %f %f %f obtained\n",
-             unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
-      printf("            %f %f %f %f expected\n",
-             test->unpacked[0][0][0],
-             test->unpacked[0][0][1],
-             test->unpacked[0][0][2],
-             test->unpacked[0][0][3]);
-      LLVMDumpValue(fetch);
-   }
+   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;
+         }
 
-   LLVMFreeMachineCodeForFunction(lp_build_engine, fetch);
-   LLVMDeleteFunction(fetch);
+         /* 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;
+               }
+            }
+         }
+      }
+   }
 
-   if(pass)
-      LLVMDisposePassManager(pass);
+   gallivm_destroy(gallivm);
+   LLVMContextDispose(context);
 
    if(fp)
       write_tsv_row(fp, desc, success);
@@ -187,29 +234,123 @@ test_format(unsigned verbose, FILE *fp,
 }
 
 
-
+PIPE_ALIGN_STACK
 static boolean
-test_one(unsigned verbose, FILE *fp,
-         const struct util_format_description *format_desc)
+test_format_unorm8(unsigned verbose, FILE *fp,
+                   const struct util_format_description *desc,
+                   unsigned use_cache)
 {
-   unsigned i;
-   bool success = TRUE;
+   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;
 
-   printf("Testing %s ...\n",
-          format_desc->name);
+   context = LLVMContextCreate();
+   gallivm = gallivm_create("test_module_unorm8", context);
 
-   for (i = 0; i < util_format_nr_test_cases; ++i) {
-      const struct util_format_test_case *test = &util_format_test_cases[i];
+   fetch = add_fetch_rgba_test(gallivm, verbose, desc,
+                               lp_unorm8_vec4_type(), use_cache);
 
-      if (test->format == format_desc->format) {
+   gallivm_compile_module(gallivm);
 
-         if (!test_format(verbose, fp, format_desc, test)) {
-           success = FALSE;
+   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;
 }
 
@@ -218,42 +359,70 @@ boolean
 test_all(unsigned verbose, FILE *fp)
 {
    enum pipe_format format;
-   bool success = TRUE;
+   boolean success = TRUE;
+   unsigned use_cache;
 
-   for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
-      const struct util_format_description *format_desc;
+   cache_ptr = align_malloc(sizeof(struct lp_build_format_cache), 16);
 
-      format_desc = util_format_description(format);
-      if (!format_desc) {
-         continue;
-      }
+   for (use_cache = 0; use_cache < 2; use_cache++) {
+      for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
+         const struct util_format_description *format_desc;
 
-      /*
-       * TODO: test more
-       */
+         format_desc = util_format_description(format);
+         if (!format_desc) {
+            continue;
+         }
 
-      if (format_desc->block.width != 1 ||
-          format_desc->block.height != 1 ||
-          format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
-         continue;
-      }
+         /*
+          * TODO: test more
+          */
 
-      if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC &&
-          !util_format_s3tc_enabled) {
-         continue;
-      }
+         if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
+            continue;
+         }
+
+         if (util_format_is_pure_integer(format))
+            continue;
+
+         /* only have util fetch func for etc1 */
+         if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
+             format != PIPE_FORMAT_ETC1_RGB8) {
+            continue;
+         }
+
+         /* missing fetch funcs */
+         if (format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC ||
+             format_desc->layout == UTIL_FORMAT_LAYOUT_ATC) {
+            continue;
+         }
 
-      if (!test_one(verbose, fp, format_desc)) {
-           success = FALSE;
+         /* 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)
+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;
+}