Mesa (master): translate_test: add support for half floats

[Brian Paul]

Module: Mesa
Branch: master
Commit: 3a62e8bcac75ca296619adb7fe4ea806a98beef9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3a62e8bcac75ca296619adb7fe4ea806a98beef9

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Jun  5 09:03:45 2012 -0600

translate_test: add support for half floats

Fixes assertion reported in
https://bugs.freedesktop.org/show_bug.cgi?id=44519
but there's still failing cases.

---

 src/gallium/tests/unit/translate_test.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/gallium/tests/unit/translate_test.c b/src/gallium/tests/unit/translate_test.c
index b9e7e25..60a0501 100644
--- a/src/gallium/tests/unit/translate_test.c
+++ b/src/gallium/tests/unit/translate_test.c
@@ -27,6 +27,7 @@
 #include "translate/translate.h"
 #include "util/u_memory.h"
 #include "util/u_format.h"
+#include "util/u_half.h"
 #include "util/u_cpu_detect.h"
 #include "rtasm/rtasm_cpu.h"
 
@@ -57,6 +58,7 @@ int main(int argc, char** argv)
    unsigned char* byte_buffer;
    float* float_buffer;
    double* double_buffer;
+   uint16_t *half_buffer;
    unsigned * elts;
    unsigned count = 4;
    unsigned i, j, k;
@@ -137,6 +139,7 @@ int main(int argc, char** argv)
    byte_buffer = align_malloc(buffer_size, 4096);
    float_buffer = align_malloc(buffer_size, 4096);
    double_buffer = align_malloc(buffer_size, 4096);
+   half_buffer = align_malloc(buffer_size, 4096);
 
    elts = align_malloc(count * sizeof *elts, 4096);
 
@@ -159,6 +162,9 @@ int main(int argc, char** argv)
    for (i = 0; i < buffer_size / sizeof(double); ++i)
       double_buffer[i] = rand_double();
 
+   for (i = 0; i < buffer_size / sizeof(double); ++i)
+      half_buffer[i] = util_float_to_half((float) rand_double());
+
    for (i = 0; i < count; ++i)
       elts[i] = i;
 
@@ -246,6 +252,8 @@ int main(int argc, char** argv)
             buffer[0] = (unsigned char*)float_buffer;
          else if(input_is_float && input_format_desc->channel[0].size == 64)
             buffer[0] = (unsigned char*)double_buffer;
+         else if(input_is_float && input_format_desc->channel[0].size == 16)
+            buffer[0] = (unsigned char*)half_buffer;
          else if(input_is_float)
             abort();
          else