1 //
2 // Copyright (c) 2017 The Khronos Group Inc.
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 #include "harness/compat.h"
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <sys/types.h>
22 #include <sys/stat.h>
23
24
25 #include "procs.h"
26
27
28 static const char *rgbaFFFF_kernel_code =
29 "__kernel void test_rgbaFFFF(read_only image2d_t srcimg, __global float *dst, sampler_t smp)\n"
30 "{\n"
31 " int tid_x = get_global_id(0);\n"
32 " int tid_y = get_global_id(1);\n"
33 " int indx = tid_y * get_image_width(srcimg) + tid_x;\n"
34 " float4 color;\n"
35 "\n"
36 " color = read_imagef(srcimg, smp, (int2)(tid_x, tid_y));\n"
37 " indx *= 4;\n"
38 " dst[indx+0] = color.x;\n"
39 " dst[indx+1] = color.y;\n"
40 " dst[indx+2] = color.z;\n"
41 " dst[indx+3] = color.w;\n"
42 "\n"
43 "}\n";
44
45
46 static float *
generate_float_image(int w,int h,MTdata d)47 generate_float_image(int w, int h, MTdata d)
48 {
49 float *ptr = (float*)malloc(w * h * 4 * sizeof(float));
50 int i;
51
52 for (i=0; i<w*h*4; i++)
53 ptr[i] = get_random_float(-0x40000000, 0x40000000, d);
54
55 return ptr;
56 }
57
58 static int
verify_float_image(float * image,float * outptr,int w,int h)59 verify_float_image(float *image, float *outptr, int w, int h)
60 {
61 int i;
62
63 for (i=0; i<w*h*4; i++)
64 {
65 if (outptr[i] != image[i])
66 {
67 log_error("READ_IMAGE_RGBA_FLOAT test failed\n");
68 return -1;
69 }
70 }
71
72 log_info("READ_IMAGE_RGBA_FLOAT test passed\n");
73 return 0;
74 }
75
test_readimage_fp32(cl_device_id device,cl_context context,cl_command_queue queue,int num_elements)76 int test_readimage_fp32(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
77 {
78 cl_mem streams[2];
79 cl_program program;
80 cl_kernel kernel;
81 cl_image_format img_format;
82 float *input_ptr, *output_ptr;
83 size_t threads[2];
84 int img_width = 512;
85 int img_height = 512;
86 int err;
87 size_t origin[3] = {0, 0, 0};
88 size_t region[3] = {img_width, img_height, 1};
89 size_t length = img_width * img_height * 4 * sizeof(float);
90 MTdata d;
91
92 PASSIVE_REQUIRE_IMAGE_SUPPORT( device )
93
94 d = init_genrand( gRandomSeed );
95 input_ptr = generate_float_image(img_width, img_height, d);
96 free_mtdata(d); d = NULL;
97
98 output_ptr = (float*)malloc(length);
99
100 img_format.image_channel_order = CL_RGBA;
101 img_format.image_channel_data_type = CL_FLOAT;
102 streams[0] = create_image_2d(context, CL_MEM_READ_WRITE, &img_format, img_width, img_height, 0, NULL, NULL);
103 if (!streams[0])
104 {
105 log_error("create_image_2d failed\n");
106 return -1;
107 }
108 streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, NULL);
109 if (!streams[1])
110 {
111 log_error("clCreateArray failed\n");
112 return -1;
113 }
114
115 err = clEnqueueWriteImage(queue, streams[0], CL_TRUE, origin, region, 0, 0, input_ptr, 0, NULL, NULL);
116 if (err != CL_SUCCESS)
117 {
118 log_error("clWriteImage failed\n");
119 return -1;
120 }
121
122 err = create_single_kernel_helper(context, &program, &kernel, 1, &rgbaFFFF_kernel_code, "test_rgbaFFFF" );
123 if (err)
124 return -1;
125
126 cl_sampler sampler = clCreateSampler(context, CL_FALSE, CL_ADDRESS_CLAMP_TO_EDGE, CL_FILTER_NEAREST, &err);
127 test_error(err, "clCreateSampler failed");
128
129 err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0]);
130 err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1]);
131 err |= clSetKernelArg(kernel, 2, sizeof sampler, &sampler);
132 if (err != CL_SUCCESS)
133 {
134 log_error("clSetKernelArgs failed\n");
135 return -1;
136 }
137
138 threads[0] = (unsigned int)img_width;
139 threads[1] = (unsigned int)img_height;
140 err = clEnqueueNDRangeKernel(queue, kernel, 2, NULL, threads, NULL, 0, NULL, NULL);
141 if (err != CL_SUCCESS)
142 {
143 log_error("%s clEnqueueNDRangeKernel failed\n", __FUNCTION__);
144 return -1;
145 }
146
147 err = clEnqueueReadBuffer(queue, streams[1], CL_TRUE, 0, length, output_ptr, 0, NULL, NULL);
148 if (err != CL_SUCCESS)
149 {
150 log_error("clEnqueueReadBuffer failed\n");
151 return -1;
152 }
153
154 err = verify_float_image(input_ptr, output_ptr, img_width, img_height);
155
156 // cleanup
157 clReleaseSampler(sampler);
158 clReleaseMemObject(streams[0]);
159 clReleaseMemObject(streams[1]);
160 clReleaseKernel(kernel);
161 clReleaseProgram(program);
162 free(input_ptr);
163 free(output_ptr);
164
165 return err;
166 }
167
168
169