| // |
| // Copyright (c) 2017 The Khronos Group Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| #ifndef _imageHelpers_h |
| #define _imageHelpers_h |
| |
| #include "compat.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <vector> |
| |
| #if !defined(_WIN32) |
| #include <unistd.h> |
| #endif |
| |
| #include <time.h> |
| |
| #include "errorHelpers.h" |
| |
| #include "conversions.h" |
| #include "typeWrappers.h" |
| #include "kernelHelpers.h" |
| #include "errorHelpers.h" |
| #include "mt19937.h" |
| #include "rounding_mode.h" |
| #include "clImageHelper.h" |
| |
| #include <CL/cl_half.h> |
| |
| extern cl_device_type gDeviceType; |
| extern bool gTestRounding; |
| |
| // Number of iterations per image format to test if not testing max images, |
| // rounding, or small images |
| #define NUM_IMAGE_ITERATIONS 3 |
| |
| |
| // Definition for our own sampler type, to mirror the cl_sampler internals |
| #define MAX_sRGB_TO_lRGB_CONVERSION_ERROR 0.5 |
| #define MAX_lRGB_TO_sRGB_CONVERSION_ERROR 0.6 |
| |
| // Definition for our own sampler type, to mirror the cl_sampler internals |
| typedef struct |
| { |
| cl_addressing_mode addressing_mode; |
| cl_filter_mode filter_mode; |
| bool normalized_coords; |
| } image_sampler_data; |
| |
| int round_to_even(float v); |
| |
| #define NORMALIZE(v, max) (v < 0 ? 0 : (v > 1.f ? max : round_to_even(v * max))) |
| #define NORMALIZE_UNROUNDED(v, max) (v < 0 ? 0 : (v > 1.f ? max : v * max)) |
| #define NORMALIZE_SIGNED(v, min, max) \ |
| (v < -1.0f ? min : (v > 1.f ? max : round_to_even(v * max))) |
| #define NORMALIZE_SIGNED_UNROUNDED(v, min, max) \ |
| (v < -1.0f ? min : (v > 1.f ? max : v * max)) |
| #define CONVERT_INT(v, min, max, max_val) \ |
| (v < min ? min : (v > max ? max_val : round_to_even(v))) |
| #define CONVERT_UINT(v, max, max_val) \ |
| (v < 0 ? 0 : (v > max ? max_val : round_to_even(v))) |
| |
| extern void print_read_header(cl_image_format *format, |
| image_sampler_data *sampler, bool err = false, |
| int t = 0); |
| extern void print_write_header(cl_image_format *format, bool err); |
| extern void print_header(cl_image_format *format, bool err); |
| extern bool find_format(cl_image_format *formatList, unsigned int numFormats, |
| cl_image_format *formatToFind); |
| extern bool is_image_format_required(cl_image_format format, cl_mem_flags flags, |
| cl_mem_object_type image_type, |
| cl_device_id device); |
| extern void |
| build_required_image_formats(cl_mem_flags flags, cl_mem_object_type image_type, |
| cl_device_id device, |
| std::vector<cl_image_format> &formatsToSupport); |
| |
| extern uint32_t get_format_type_size(const cl_image_format *format); |
| extern uint32_t get_channel_data_type_size(cl_channel_type channelType); |
| extern uint32_t get_format_channel_count(const cl_image_format *format); |
| extern uint32_t get_channel_order_channel_count(cl_channel_order order); |
| cl_channel_type get_channel_type_from_name(const char *name); |
| cl_channel_order get_channel_order_from_name(const char *name); |
| extern int is_format_signed(const cl_image_format *format); |
| extern uint32_t get_pixel_size(cl_image_format *format); |
| |
| /* Helper to get any ol image format as long as it is 8-bits-per-channel */ |
| extern int get_8_bit_image_format(cl_context context, |
| cl_mem_object_type objType, |
| cl_mem_flags flags, size_t channelCount, |
| cl_image_format *outFormat); |
| |
| /* Helper to get any ol image format as long as it is 32-bits-per-channel */ |
| extern int get_32_bit_image_format(cl_context context, |
| cl_mem_object_type objType, |
| cl_mem_flags flags, size_t channelCount, |
| cl_image_format *outFormat); |
| |
| int random_in_range(int minV, int maxV, MTdata d); |
| int random_log_in_range(int minV, int maxV, MTdata d); |
| |
| typedef struct |
| { |
| size_t width; |
| size_t height; |
| size_t depth; |
| size_t rowPitch; |
| size_t slicePitch; |
| size_t arraySize; |
| cl_image_format *format; |
| cl_mem buffer; |
| cl_mem_object_type type; |
| cl_uint num_mip_levels; |
| } image_descriptor; |
| |
| typedef struct |
| { |
| float p[4]; |
| } FloatPixel; |
| |
| void get_max_sizes(size_t *numberOfSizes, const int maxNumberOfSizes, |
| size_t sizes[][3], size_t maxWidth, size_t maxHeight, |
| size_t maxDepth, size_t maxArraySize, |
| const cl_ulong maxIndividualAllocSize, |
| const cl_ulong maxTotalAllocSize, |
| cl_mem_object_type image_type, cl_image_format *format, |
| int usingMaxPixelSize = 0); |
| extern size_t get_format_max_int(cl_image_format *format); |
| |
| extern cl_ulong get_image_size(image_descriptor const *imageInfo); |
| extern cl_ulong get_image_size_mb(image_descriptor const *imageInfo); |
| |
| extern char *generate_random_image_data(image_descriptor *imageInfo, |
| BufferOwningPtr<char> &Owner, MTdata d); |
| |
| extern int debug_find_vector_in_image(void *imagePtr, |
| image_descriptor *imageInfo, |
| void *vectorToFind, size_t vectorSize, |
| int *outX, int *outY, int *outZ, |
| size_t lod = 0); |
| |
| extern int debug_find_pixel_in_image(void *imagePtr, |
| image_descriptor *imageInfo, |
| unsigned int *valuesToFind, int *outX, |
| int *outY, int *outZ, int lod = 0); |
| extern int debug_find_pixel_in_image(void *imagePtr, |
| image_descriptor *imageInfo, |
| int *valuesToFind, int *outX, int *outY, |
| int *outZ, int lod = 0); |
| extern int debug_find_pixel_in_image(void *imagePtr, |
| image_descriptor *imageInfo, |
| float *valuesToFind, int *outX, int *outY, |
| int *outZ, int lod = 0); |
| |
| extern void copy_image_data(image_descriptor *srcImageInfo, |
| image_descriptor *dstImageInfo, void *imageValues, |
| void *destImageValues, const size_t sourcePos[], |
| const size_t destPos[], const size_t regionSize[]); |
| |
| int has_alpha(cl_image_format *format); |
| |
| extern bool is_sRGBA_order(cl_channel_order image_channel_order); |
| |
| inline float calculate_array_index(float coord, float extent); |
| |
| cl_uint compute_max_mip_levels(size_t width, size_t height, size_t depth); |
| cl_ulong compute_mipmapped_image_size(image_descriptor imageInfo); |
| 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) |
| { |
| 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; |
| |
| if (imageInfo->type != CL_MEM_OBJECT_IMAGE1D_ARRAY |
| && imageInfo->type != CL_MEM_OBJECT_IMAGE1D) |
| height_lod = |
| (imageInfo->height >> lod) ? (imageInfo->height >> lod) : 1; |
| |
| if (imageInfo->type == CL_MEM_OBJECT_IMAGE3D) |
| depth_lod = (imageInfo->depth >> lod) ? (imageInfo->depth >> lod) : 1; |
| row_pitch_lod = (imageInfo->num_mip_levels > 0) |
| ? (width_lod * get_pixel_size(imageInfo->format)) |
| : imageInfo->rowPitch; |
| slice_pitch_lod = (imageInfo->num_mip_levels > 0) |
| ? (row_pitch_lod * height_lod) |
| : imageInfo->slicePitch; |
| |
| // correct depth_lod and height_lod for array image types in order to avoid |
| // return |
| if (imageInfo->type == CL_MEM_OBJECT_IMAGE1D_ARRAY && height_lod == 1 |
| && depth_lod == 1) |
| { |
| depth_lod = 0; |
| height_lod = 0; |
| } |
| |
| if (imageInfo->type == CL_MEM_OBJECT_IMAGE2D_ARRAY && depth_lod == 1) |
| { |
| depth_lod = 0; |
| } |
| |
| if (x < 0 || x >= (int)width_lod |
| || (height_lod != 0 && (y < 0 || y >= (int)height_lod)) |
| || (depth_lod != 0 && (z < 0 || z >= (int)depth_lod)) |
| || (imageInfo->arraySize != 0 |
| && (z < 0 || z >= (int)imageInfo->arraySize))) |
| { |
| // Border color |
| if (imageInfo->format->image_channel_order == CL_DEPTH) |
| { |
| outData[0] = 1; |
| } |
| else |
| { |
| outData[0] = outData[1] = outData[2] = outData[3] = 0; |
| if (!has_alpha(imageInfo->format)) outData[3] = 1; |
| } |
| return; |
| } |
| |
| cl_image_format *format = imageInfo->format; |
| |
| unsigned int i; |
| T tempData[4]; |
| |
| // Advance to the right spot |
| char *ptr = (char *)imageData; |
| size_t pixelSize = get_pixel_size(format); |
| |
| ptr += z * slice_pitch_lod + y * row_pitch_lod + x * pixelSize; |
| |
| // OpenCL only supports reading floats from certain formats |
| switch (format->image_channel_data_type) |
| { |
| case CL_SNORM_INT8: { |
| cl_char *dPtr = (cl_char *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_UNORM_INT8: { |
| cl_uchar *dPtr = (cl_uchar *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_SIGNED_INT8: { |
| cl_char *dPtr = (cl_char *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_UNSIGNED_INT8: { |
| cl_uchar *dPtr = (cl_uchar *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_SNORM_INT16: { |
| cl_short *dPtr = (cl_short *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_UNORM_INT16: { |
| cl_ushort *dPtr = (cl_ushort *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_SIGNED_INT16: { |
| cl_short *dPtr = (cl_short *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_UNSIGNED_INT16: { |
| cl_ushort *dPtr = (cl_ushort *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_HALF_FLOAT: { |
| cl_half *dPtr = (cl_half *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)cl_half_to_float(dPtr[i]); |
| break; |
| } |
| |
| case CL_SIGNED_INT32: { |
| cl_int *dPtr = (cl_int *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_UNSIGNED_INT32: { |
| cl_uint *dPtr = (cl_uint *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| |
| case CL_UNORM_SHORT_565: { |
| cl_ushort *dPtr = (cl_ushort *)ptr; |
| tempData[0] = (T)(dPtr[0] >> 11); |
| tempData[1] = (T)((dPtr[0] >> 5) & 63); |
| tempData[2] = (T)(dPtr[0] & 31); |
| break; |
| } |
| |
| #ifdef OBSOLETE_FORMAT |
| case CL_UNORM_SHORT_565_REV: { |
| unsigned short *dPtr = (unsigned short *)ptr; |
| tempData[2] = (T)(dPtr[0] >> 11); |
| tempData[1] = (T)((dPtr[0] >> 5) & 63); |
| tempData[0] = (T)(dPtr[0] & 31); |
| break; |
| } |
| |
| case CL_UNORM_SHORT_555_REV: { |
| unsigned short *dPtr = (unsigned short *)ptr; |
| tempData[2] = (T)((dPtr[0] >> 10) & 31); |
| tempData[1] = (T)((dPtr[0] >> 5) & 31); |
| tempData[0] = (T)(dPtr[0] & 31); |
| break; |
| } |
| |
| case CL_UNORM_INT_8888: { |
| unsigned int *dPtr = (unsigned int *)ptr; |
| tempData[3] = (T)(dPtr[0] >> 24); |
| tempData[2] = (T)((dPtr[0] >> 16) & 0xff); |
| tempData[1] = (T)((dPtr[0] >> 8) & 0xff); |
| tempData[0] = (T)(dPtr[0] & 0xff); |
| break; |
| } |
| case CL_UNORM_INT_8888_REV: { |
| unsigned int *dPtr = (unsigned int *)ptr; |
| tempData[0] = (T)(dPtr[0] >> 24); |
| tempData[1] = (T)((dPtr[0] >> 16) & 0xff); |
| tempData[2] = (T)((dPtr[0] >> 8) & 0xff); |
| tempData[3] = (T)(dPtr[0] & 0xff); |
| break; |
| } |
| |
| case CL_UNORM_INT_101010_REV: { |
| unsigned int *dPtr = (unsigned int *)ptr; |
| tempData[2] = (T)((dPtr[0] >> 20) & 0x3ff); |
| tempData[1] = (T)((dPtr[0] >> 10) & 0x3ff); |
| tempData[0] = (T)(dPtr[0] & 0x3ff); |
| break; |
| } |
| #endif |
| case CL_UNORM_SHORT_555: { |
| cl_ushort *dPtr = (cl_ushort *)ptr; |
| tempData[0] = (T)((dPtr[0] >> 10) & 31); |
| tempData[1] = (T)((dPtr[0] >> 5) & 31); |
| tempData[2] = (T)(dPtr[0] & 31); |
| break; |
| } |
| |
| case CL_UNORM_INT_101010: { |
| cl_uint *dPtr = (cl_uint *)ptr; |
| tempData[0] = (T)((dPtr[0] >> 20) & 0x3ff); |
| tempData[1] = (T)((dPtr[0] >> 10) & 0x3ff); |
| tempData[2] = (T)(dPtr[0] & 0x3ff); |
| break; |
| } |
| |
| case CL_FLOAT: { |
| cl_float *dPtr = (cl_float *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i]; |
| break; |
| } |
| #ifdef CL_SFIXED14_APPLE |
| case CL_SFIXED14_APPLE: { |
| cl_float *dPtr = (cl_float *)ptr; |
| for (i = 0; i < get_format_channel_count(format); i++) |
| tempData[i] = (T)dPtr[i] + 0x4000; |
| break; |
| } |
| #endif |
| } |
| |
| |
| outData[0] = outData[1] = outData[2] = 0; |
| outData[3] = 1; |
| |
| if (format->image_channel_order == CL_A) |
| { |
| outData[3] = tempData[0]; |
| } |
| else if (format->image_channel_order == CL_R) |
| { |
| outData[0] = tempData[0]; |
| } |
| else if (format->image_channel_order == CL_Rx) |
| { |
| outData[0] = tempData[0]; |
| } |
| else if (format->image_channel_order == CL_RA) |
| { |
| outData[0] = tempData[0]; |
| outData[3] = tempData[1]; |
| } |
| else if (format->image_channel_order == CL_RG) |
| { |
| outData[0] = tempData[0]; |
| outData[1] = tempData[1]; |
| } |
| else if (format->image_channel_order == CL_RGx) |
| { |
| outData[0] = tempData[0]; |
| outData[1] = tempData[1]; |
| } |
| else if ((format->image_channel_order == CL_RGB) |
| || (format->image_channel_order == CL_sRGB)) |
| { |
| outData[0] = tempData[0]; |
| outData[1] = tempData[1]; |
| outData[2] = tempData[2]; |
| } |
| else if ((format->image_channel_order == CL_RGBx) |
| || (format->image_channel_order == CL_sRGBx)) |
| { |
| outData[0] = tempData[0]; |
| outData[1] = tempData[1]; |
| outData[2] = tempData[2]; |
| outData[3] = 0; |
| } |
| else if ((format->image_channel_order == CL_RGBA) |
| || (format->image_channel_order == CL_sRGBA)) |
| { |
| outData[0] = tempData[0]; |
| outData[1] = tempData[1]; |
| outData[2] = tempData[2]; |
| outData[3] = tempData[3]; |
| } |
| else if (format->image_channel_order == CL_ARGB) |
| { |
| outData[0] = tempData[1]; |
| outData[1] = tempData[2]; |
| outData[2] = tempData[3]; |
| outData[3] = tempData[0]; |
| } |
| else if ((format->image_channel_order == CL_BGRA) |
| || (format->image_channel_order == CL_sBGRA)) |
| { |
| outData[0] = tempData[2]; |
| outData[1] = tempData[1]; |
| outData[2] = tempData[0]; |
| outData[3] = tempData[3]; |
| } |
| else if (format->image_channel_order == CL_INTENSITY) |
| { |
| outData[1] = tempData[0]; |
| outData[2] = tempData[0]; |
| outData[3] = tempData[0]; |
| } |
| else if (format->image_channel_order == CL_LUMINANCE) |
| { |
| outData[1] = tempData[0]; |
| outData[2] = tempData[0]; |
| } |
| else if (format->image_channel_order == CL_DEPTH) |
| { |
| outData[0] = tempData[0]; |
| } |
| #ifdef CL_1RGB_APPLE |
| else if (format->image_channel_order == CL_1RGB_APPLE) |
| { |
| outData[0] = tempData[1]; |
| outData[1] = tempData[2]; |
| outData[2] = tempData[3]; |
| outData[3] = 0xff; |
| } |
| #endif |
| #ifdef CL_BGR1_APPLE |
| else if (format->image_channel_order == CL_BGR1_APPLE) |
| { |
| outData[0] = tempData[2]; |
| outData[1] = tempData[1]; |
| outData[2] = tempData[0]; |
| outData[3] = 0xff; |
| } |
| #endif |
| else |
| { |
| log_error("Invalid format:"); |
| print_header(format, true); |
| } |
| } |
| |
| template <class T> |
| void read_image_pixel(void *imageData, image_descriptor *imageInfo, int x, |
| int y, int z, T *outData) |
| { |
| read_image_pixel<T>(imageData, imageInfo, x, y, z, outData, 0); |
| } |
| |
| // Stupid template rules |
| bool get_integer_coords(float x, float y, float z, size_t width, size_t height, |
| size_t depth, image_sampler_data *imageSampler, |
| image_descriptor *imageInfo, int &outX, int &outY, |
| int &outZ); |
| bool get_integer_coords_offset(float x, float y, float z, float xAddressOffset, |
| float yAddressOffset, float zAddressOffset, |
| size_t width, size_t height, size_t depth, |
| image_sampler_data *imageSampler, |
| image_descriptor *imageInfo, int &outX, |
| int &outY, int &outZ); |
| |
| |
| template <class T> |
| void sample_image_pixel_offset(void *imageData, image_descriptor *imageInfo, |
| float x, float y, float z, float xAddressOffset, |
| float yAddressOffset, float zAddressOffset, |
| image_sampler_data *imageSampler, T *outData, |
| int lod) |
| { |
| int iX = 0, iY = 0, iZ = 0; |
| |
| float max_w = imageInfo->width; |
| float max_h; |
| float max_d; |
| |
| switch (imageInfo->type) |
| { |
| case CL_MEM_OBJECT_IMAGE1D_ARRAY: |
| max_h = imageInfo->arraySize; |
| max_d = 0; |
| break; |
| case CL_MEM_OBJECT_IMAGE2D_ARRAY: |
| max_h = imageInfo->height; |
| max_d = imageInfo->arraySize; |
| break; |
| default: |
| max_h = imageInfo->height; |
| max_d = imageInfo->depth; |
| break; |
| } |
| |
| if (/*gTestMipmaps*/ imageInfo->num_mip_levels > 1) |
| { |
| switch (imageInfo->type) |
| { |
| case CL_MEM_OBJECT_IMAGE3D: |
| max_d = (float)((imageInfo->depth >> lod) |
| ? (imageInfo->depth >> lod) |
| : 1); |
| case CL_MEM_OBJECT_IMAGE2D: |
| case CL_MEM_OBJECT_IMAGE2D_ARRAY: |
| max_h = (float)((imageInfo->height >> lod) |
| ? (imageInfo->height >> lod) |
| : 1); |
| break; |
| default:; |
| } |
| max_w = |
| (float)((imageInfo->width >> lod) ? (imageInfo->width >> lod) : 1); |
| } |
| get_integer_coords_offset(x, y, z, xAddressOffset, yAddressOffset, |
| zAddressOffset, max_w, max_h, max_d, imageSampler, |
| imageInfo, iX, iY, iZ); |
| |
| read_image_pixel<T>(imageData, imageInfo, iX, iY, iZ, outData, lod); |
| } |
| |
| template <class T> |
| void sample_image_pixel_offset(void *imageData, image_descriptor *imageInfo, |
| float x, float y, float z, float xAddressOffset, |
| float yAddressOffset, float zAddressOffset, |
| image_sampler_data *imageSampler, T *outData) |
| { |
| sample_image_pixel_offset<T>(imageData, imageInfo, x, y, z, xAddressOffset, |
| yAddressOffset, zAddressOffset, imageSampler, |
| outData, 0); |
| } |
| |
| template <class T> |
| void sample_image_pixel(void *imageData, image_descriptor *imageInfo, float x, |
| float y, float z, image_sampler_data *imageSampler, |
| T *outData) |
| { |
| return sample_image_pixel_offset<T>(imageData, imageInfo, x, y, z, 0.0f, |
| 0.0f, 0.0f, imageSampler, outData); |
| } |
| |
| FloatPixel |
| sample_image_pixel_float(void *imageData, image_descriptor *imageInfo, float x, |
| float y, float z, image_sampler_data *imageSampler, |
| float *outData, int verbose, int *containsDenorms); |
| |
| FloatPixel sample_image_pixel_float(void *imageData, |
| image_descriptor *imageInfo, float x, |
| float y, float z, |
| image_sampler_data *imageSampler, |
| float *outData, int verbose, |
| int *containsDenorms, int lod); |
| |
| FloatPixel sample_image_pixel_float_offset( |
| void *imageData, image_descriptor *imageInfo, float x, float y, float z, |
| float xAddressOffset, float yAddressOffset, float zAddressOffset, |
| image_sampler_data *imageSampler, float *outData, int verbose, |
| int *containsDenorms); |
| FloatPixel sample_image_pixel_float_offset( |
| void *imageData, image_descriptor *imageInfo, float x, float y, float z, |
| float xAddressOffset, float yAddressOffset, float zAddressOffset, |
| image_sampler_data *imageSampler, float *outData, int verbose, |
| int *containsDenorms, int lod); |
| |
| |
| extern void pack_image_pixel(unsigned int *srcVector, |
| const cl_image_format *imageFormat, void *outData); |
| extern void pack_image_pixel(int *srcVector, const cl_image_format *imageFormat, |
| void *outData); |
| extern void pack_image_pixel(float *srcVector, |
| const cl_image_format *imageFormat, void *outData); |
| extern void pack_image_pixel_error(const float *srcVector, |
| const cl_image_format *imageFormat, |
| const void *results, float *errors); |
| |
| extern char *create_random_image_data(ExplicitType dataType, |
| image_descriptor *imageInfo, |
| BufferOwningPtr<char> &P, MTdata d, |
| bool image2DFromBuffer = false); |
| |
| // deprecated |
| // extern bool clamp_image_coord( image_sampler_data *imageSampler, float value, |
| // size_t max, int &outValue ); |
| |
| extern void get_sampler_kernel_code(image_sampler_data *imageSampler, |
| char *outLine); |
| extern float get_max_absolute_error(cl_image_format *format, |
| image_sampler_data *sampler); |
| extern float get_max_relative_error(cl_image_format *format, |
| image_sampler_data *sampler, int is3D, |
| int isLinearFilter); |
| |
| |
| #define errMax(_x, _y) ((_x) != (_x) ? (_x) : (_x) > (_y) ? (_x) : (_y)) |
| |
| static inline cl_uint abs_diff_uint(cl_uint x, cl_uint y) |
| { |
| return y > x ? y - x : x - y; |
| } |
| |
| static inline cl_uint abs_diff_int(cl_int x, cl_int y) |
| { |
| return (cl_uint)(y > x ? y - x : x - y); |
| } |
| |
| static inline cl_float relative_error(float test, float expected) |
| { |
| // 0-0/0 is 0 in this case, not NaN |
| if (test == 0.0f && expected == 0.0f) return 0.0f; |
| |
| return (test - expected) / expected; |
| } |
| |
| extern float random_float(float low, float high); |
| |
| class CoordWalker { |
| public: |
| CoordWalker(void *coords, bool useFloats, size_t vecSize); |
| ~CoordWalker(); |
| |
| cl_float Get(size_t idx, size_t el); |
| |
| protected: |
| cl_float *mFloatCoords; |
| cl_int *mIntCoords; |
| size_t mVecSize; |
| }; |
| |
| extern cl_half 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 |
| static int inline is_half_nan(cl_half half) { return (half & 0x7fff) > 0x7c00; } |
| |
| // sign bit: don't care, exponent: zero, significand: non-zero |
| static int inline is_half_denorm(cl_half half) { return IsHalfSubnormal(half); } |
| |
| // sign bit: don't care, exponent: zero, significand: zero |
| static int inline is_half_zero(cl_half half) { return (half & 0x7fff) == 0; } |
| |
| extern double sRGBmap(float fc); |
| |
| extern const char *convert_image_type_to_string(cl_mem_object_type imageType); |
| |
| |
| #endif // _imageHelpers_h |
