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/**************************************************************************
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* Copyright © 2010 Luca Barbieri
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#include "translate/translate.h"
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#include "util/u_memory.h"
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#include "util/format/u_format.h"
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#include "util/half_float.h"
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#include "util/u_cpu_detect.h"
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#include "rtasm/rtasm_cpu.h"
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/* don't use this for serious use */
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static double rand_double()
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const double rm = (double)RAND_MAX + 1;
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for(i = 0; i < 4; ++i)
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v += (double)rand() / div;
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int main(int argc, char** argv)
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struct translate *(*create_fn)(const struct translate_key *key) = 0;
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extern struct util_cpu_caps_t util_cpu_caps;
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struct translate_key key;
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unsigned output_format;
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unsigned input_format;
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unsigned buffer_size = 4096;
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unsigned char* buffer[5];
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unsigned char* byte_buffer;
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double* double_buffer;
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uint16_t *half_buffer;
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const float error = 0.03125;
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!strcmp(argv[1], "default") )
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create_fn = translate_create;
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else if (!strcmp(argv[1], "generic"))
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create_fn = translate_generic_create;
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else if (!strcmp(argv[1], "x86"))
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create_fn = translate_sse2_create;
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else if (!strcmp(argv[1], "nosse"))
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util_cpu_caps.has_sse = 0;
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util_cpu_caps.has_sse2 = 0;
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util_cpu_caps.has_sse3 = 0;
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util_cpu_caps.has_sse4_1 = 0;
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create_fn = translate_sse2_create;
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else if (!strcmp(argv[1], "sse"))
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if(!util_get_cpu_caps()->has_sse || !rtasm_cpu_has_sse())
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printf("Error: CPU doesn't support SSE (test with qemu)\n");
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util_cpu_caps.has_sse2 = 0;
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util_cpu_caps.has_sse3 = 0;
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util_cpu_caps.has_sse4_1 = 0;
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create_fn = translate_sse2_create;
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else if (!strcmp(argv[1], "sse2"))
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if(!util_get_cpu_caps()->has_sse2 || !rtasm_cpu_has_sse())
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printf("Error: CPU doesn't support SSE2 (test with qemu)\n");
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util_cpu_caps.has_sse3 = 0;
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util_cpu_caps.has_sse4_1 = 0;
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create_fn = translate_sse2_create;
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else if (!strcmp(argv[1], "sse3"))
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if(!util_get_cpu_caps()->has_sse3 || !rtasm_cpu_has_sse())
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printf("Error: CPU doesn't support SSE3 (test with qemu)\n");
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util_cpu_caps.has_sse4_1 = 0;
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create_fn = translate_sse2_create;
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else if (!strcmp(argv[1], "sse4.1"))
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if(!util_get_cpu_caps()->has_sse4_1 || !rtasm_cpu_has_sse())
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printf("Error: CPU doesn't support SSE4.1 (test with qemu)\n");
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create_fn = translate_sse2_create;
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printf("Usage: ./translate_test [default|generic|x86|nosse|sse|sse2|sse3|sse4.1]\n");
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for (i = 1; i < ARRAY_SIZE(buffer); ++i)
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buffer[i] = align_malloc(buffer_size, 4096);
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byte_buffer = align_malloc(buffer_size, 4096);
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float_buffer = align_malloc(buffer_size, 4096);
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double_buffer = align_malloc(buffer_size, 4096);
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half_buffer = align_malloc(buffer_size, 4096);
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elts = align_malloc(count * sizeof *elts, 4096);
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key.element[0].input_buffer = 0;
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key.element[0].input_offset = 0;
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key.element[0].output_offset = 0;
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key.element[0].type = TRANSLATE_ELEMENT_NORMAL;
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key.element[0].instance_divisor = 0;
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/* avoid negative values that work badly when converted to unsigned format*/
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for (i = 0; i < buffer_size; ++i)
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byte_buffer[i] = rand() & 0x7f7f7f7f;
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for (i = 0; i < buffer_size / sizeof(float); ++i)
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float_buffer[i] = (float)rand_double();
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for (i = 0; i < buffer_size / sizeof(double); ++i)
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double_buffer[i] = rand_double();
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for (i = 0; i < buffer_size / sizeof(double); ++i)
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half_buffer[i] = _mesa_float_to_half((float) rand_double());
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for (i = 0; i < count; ++i)
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for (output_format = 1; output_format < PIPE_FORMAT_COUNT; ++output_format)
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const struct util_format_description* output_format_desc = util_format_description(output_format);
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const struct util_format_pack_description* output_format_pack = util_format_pack_description(output_format);
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util_format_fetch_rgba_func_ptr fetch_rgba =
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util_format_fetch_rgba_func(output_format);
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unsigned output_format_size;
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unsigned output_normalized = 0;
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if (!output_format_desc
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|| !output_format_pack->pack_rgba_float
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|| output_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
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|| output_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
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|| !translate_is_output_format_supported(output_format))
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for(i = 0; i < output_format_desc->nr_channels; ++i)
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if(output_format_desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT)
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output_normalized |= (1 << output_format_desc->channel[i].normalized);
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output_format_size = util_format_get_stride(output_format, 1);
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for (input_format = 1; input_format < PIPE_FORMAT_COUNT; ++input_format)
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const struct util_format_description* input_format_desc = util_format_description(input_format);
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const struct util_format_pack_description* input_format_pack = util_format_pack_description(input_format);
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util_format_fetch_rgba_func_ptr fetch_rgba =
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util_format_fetch_rgba_func(input_format);
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unsigned input_format_size;
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struct translate* translate[2];
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unsigned used_generic = 0;
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unsigned input_normalized = 0;
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boolean input_is_float = FALSE;
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if (!input_format_desc
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|| !input_format_pack->pack_rgba_float
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|| input_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
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|| input_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
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|| !translate_is_output_format_supported(input_format))
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input_format_size = util_format_get_stride(input_format, 1);
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for(i = 0; i < input_format_desc->nr_channels; ++i)
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if(input_format_desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
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input_normalized |= 1 << 1;
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input_normalized |= (1 << input_format_desc->channel[i].normalized);
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if(((input_normalized | output_normalized) == 3)
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|| ((input_normalized & 1) && (output_normalized & 1)
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&& input_format_size * output_format_desc->nr_channels > output_format_size * input_format_desc->nr_channels))
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key.element[0].input_format = input_format;
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key.element[0].output_format = output_format;
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key.output_stride = output_format_size;
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translate[0] = create_fn(&key);
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key.element[0].input_format = output_format;
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key.element[0].output_format = input_format;
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key.output_stride = input_format_size;
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translate[1] = create_fn(&key);
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translate[1] = translate_generic_create(&key);
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for(i = 1; i < 5; ++i)
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memset(buffer[i], 0xcd - (0x22 * i), 4096);
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if(input_is_float && input_format_desc->channel[0].size == 32)
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buffer[0] = (unsigned char*)float_buffer;
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else if(input_is_float && input_format_desc->channel[0].size == 64)
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buffer[0] = (unsigned char*)double_buffer;
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else if(input_is_float && input_format_desc->channel[0].size == 16)
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buffer[0] = (unsigned char*)half_buffer;
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else if(input_is_float)
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buffer[0] = byte_buffer;
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translate[0]->set_buffer(translate[0], 0, buffer[0], input_format_size, count - 1);
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translate[0]->run_elts(translate[0], elts, count, 0, 0, buffer[1]);
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translate[1]->set_buffer(translate[1], 0, buffer[1], output_format_size, count - 1);
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translate[1]->run_elts(translate[1], elts, count, 0, 0, buffer[2]);
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translate[0]->set_buffer(translate[0], 0, buffer[2], input_format_size, count - 1);
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translate[0]->run_elts(translate[0], elts, count, 0, 0, buffer[3]);
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translate[1]->set_buffer(translate[1], 0, buffer[3], output_format_size, count - 1);
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translate[1]->run_elts(translate[1], elts, count, 0, 0, buffer[4]);
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for (i = 0; i < count; ++i)
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fetch_rgba(a, buffer[2] + i * input_format_size, 0, 0);
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fetch_rgba(b, buffer[4] + i * input_format_size, 0, 0);
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for (j = 0; j < count; ++j)
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float d = a[j] - b[j];
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if (d > error || d < -error)
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printf("%s%s: %s -> %s -> %s -> %s -> %s\n",
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fail ? "FAIL" : "PASS",
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used_generic ? "[GENERIC]" : "",
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input_format_desc->name, output_format_desc->name, input_format_desc->name, output_format_desc->name, input_format_desc->name);
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for (i = 0; i < ARRAY_SIZE(buffer); ++i)
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unsigned format_size = (i & 1) ? output_format_size : input_format_size;
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printf("%c ", (i == 2 || i == 4) ? '*' : ' ');
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for (j = 0; j < count; ++j)
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for (k = 0; k < format_size; ++k)
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printf("%02x", buffer[i][j * format_size + k]);
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translate[1]->release(translate[1]);
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translate[0]->release(translate[0]);
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printf("%u/%u tests passed for translate_%s\n", passed, total, argv[1]);
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return passed != total;