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Use float<->half conversion routines from the OpenCL headers (#884)

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* Use float<->half conversion routines from the OpenCL headers

Fixes #870

Signed-off-by: Kevin Petit <kevin.petit@arm.com>

* Use cl_half_from_double

* Fix windows build errors

* Fix more build errors

* Code formatting

* Remove TEST class
This commit is contained in:
Kévin Petit
2020-08-14 13:50:14 +01:00
committed by GitHub
parent 655d83db80
commit ed50fcad2d
15 changed files with 64 additions and 941 deletions
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9
test_common/harness/imageHelpers.h
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@@ -41,6 +41,8 @@
#include "rounding_mode.h"
#include "clImageHelper.h"
#include <CL/cl_half.h>
extern cl_device_type gDeviceType;
extern bool gTestRounding;
@@ -154,7 +156,6 @@ size_t compute_mip_level_offset( image_descriptor * imageInfo , size_t lod);
template <class T> void read_image_pixel( void *imageData, image_descriptor *imageInfo,
int x, int y, int z, T *outData, int lod )
{
float convert_half_to_float( unsigned short halfValue );
size_t width_lod = imageInfo->width, height_lod = imageInfo->height, depth_lod = imageInfo->depth, slice_pitch_lod = 0/*imageInfo->slicePitch*/ , row_pitch_lod = 0/*imageInfo->rowPitch*/;
width_lod = ( imageInfo->width >> lod) ?( imageInfo->width >> lod):1;
@@ -278,7 +279,7 @@ template <class T> void read_image_pixel( void *imageData, image_descriptor *ima
{
cl_ushort *dPtr = (cl_ushort *)ptr;
for( i = 0; i < get_format_channel_count( format ); i++ )
tempData[ i ] = (T)convert_half_to_float( dPtr[ i ] );
tempData[i] = (T)cl_half_to_float(dPtr[i]);
break;
}
@@ -638,6 +639,7 @@ protected:
size_t mVecSize;
};
extern cl_ushort convert_float_to_half(float f);
extern int DetectFloatToHalfRoundingMode( cl_command_queue ); // Returns CL_SUCCESS on success
// sign bit: don't care, exponent: maximum value, significand: non-zero
@@ -649,9 +651,6 @@ static int inline is_half_denorm( cl_ushort half ){ return IsHalfSubnormal( half
// sign bit: don't care, exponent: zero, significand: zero
static int inline is_half_zero( cl_ushort half ){ return ( half & 0x7fff ) == 0; }
cl_ushort convert_float_to_half( cl_float f );
cl_float convert_half_to_float( cl_ushort h );
extern double sRGBmap(float fc);
#endif // _imageHelpers_h