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all: include config.h only when available and use its defines
[android-x86/external-libdrm.git] / intel / test_decode.c
1 /*
2  * Copyright © 2011 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include <string.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <unistd.h>
32 #include <fcntl.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <sys/mman.h>
36 #include <err.h>
37
38 #include "intel_bufmgr.h"
39 #include "intel_chipset.h"
40
41 #define HW_OFFSET 0x12300000
42
43 static void
44 usage(void)
45 {
46         fprintf(stderr, "usage:\n");
47         fprintf(stderr, "  test_decode <batch>\n");
48         fprintf(stderr, "  test_decode <batch> -dump\n");
49         exit(1);
50 }
51
52 static void
53 read_file(const char *filename, void **ptr, size_t *size)
54 {
55         int fd, ret;
56         struct stat st;
57
58         fd = open(filename, O_RDONLY);
59         if (fd == -1)
60                 errx(1, "couldn't open `%s'", filename);
61
62         ret = fstat(fd, &st);
63         if (ret)
64                 errx(1, "couldn't stat `%s'", filename);
65
66         *size = st.st_size;
67         *ptr = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
68         if (*ptr == MAP_FAILED)
69                 errx(1, "couldn't map `%s'", filename);
70
71         close(fd);
72 }
73
74 static void
75 dump_batch(struct drm_intel_decode *ctx, const char *batch_filename)
76 {
77         void *batch_ptr;
78         size_t batch_size;
79
80         read_file(batch_filename, &batch_ptr, &batch_size);
81
82         drm_intel_decode_set_batch_pointer(ctx, batch_ptr, HW_OFFSET,
83                                            batch_size / 4);
84         drm_intel_decode_set_output_file(ctx, stdout);
85
86         drm_intel_decode(ctx);
87 }
88
89 static void
90 compare_batch(struct drm_intel_decode *ctx, const char *batch_filename)
91 {
92         FILE *out = NULL;
93         void *ptr, *ref_ptr, *batch_ptr;
94         size_t size, ref_size, batch_size;
95         const char *ref_suffix = "-ref.txt";
96         char *ref_filename;
97
98         ref_filename = malloc(strlen(batch_filename) + strlen(ref_suffix) + 1);
99         sprintf(ref_filename, "%s%s", batch_filename, ref_suffix);
100
101         /* Read the batch and reference. */
102         read_file(batch_filename, &batch_ptr, &batch_size);
103         read_file(ref_filename, &ref_ptr, &ref_size);
104
105         /* Set up our decode output in memory, because I don't want to
106          * figure out how to output to a file in a safe and sane way
107          * inside of an automake project's test infrastructure.
108          */
109 #ifdef HAVE_OPEN_MEMSTREAM
110         out = open_memstream((char **)&ptr, &size);
111 #else
112         fprintf(stderr, "platform lacks open_memstream, skipping.\n");
113         exit(77);
114 #endif
115
116         drm_intel_decode_set_batch_pointer(ctx, batch_ptr, HW_OFFSET,
117                                            batch_size / 4);
118         drm_intel_decode_set_output_file(ctx, out);
119
120         drm_intel_decode(ctx);
121
122         if (strcmp(ref_ptr, ptr) != 0) {
123                 fprintf(stderr, "Decode mismatch with reference `%s'.\n",
124                         ref_filename);
125                 fprintf(stderr, "You can dump the new output using:\n");
126                 fprintf(stderr, "  test_decode \"%s\" -dump\n", batch_filename);
127                 exit(1);
128         }
129
130         fclose(out);
131         free(ref_filename);
132         free(ptr);
133 }
134
135 static uint16_t
136 infer_devid(const char *batch_filename)
137 {
138         struct {
139                 const char *name;
140                 uint16_t devid;
141         } chipsets[] = {
142                 { "830",  0x3577},
143                 { "855",  0x3582},
144                 { "945",  0x2772},
145                 { "gen4", 0x2a02 },
146                 { "gm45", 0x2a42 },
147                 { "gen5", PCI_CHIP_ILD_G },
148                 { "gen6", PCI_CHIP_SANDYBRIDGE_GT2 },
149                 { "gen7", PCI_CHIP_IVYBRIDGE_GT2 },
150                 { "gen8", 0x1616 },
151                 { NULL, 0 },
152         };
153         int i;
154
155         for (i = 0; chipsets[i].name != NULL; i++) {
156                 if (strstr(batch_filename, chipsets[i].name))
157                         return chipsets[i].devid;
158         }
159
160         fprintf(stderr, "Couldn't guess chipset id from batch filename `%s'.\n",
161                 batch_filename);
162         fprintf(stderr, "Must be contain one of:\n");
163         for (i = 0; chipsets[i].name != NULL; i++) {
164                 fprintf(stderr, "  %s\n", chipsets[i].name);
165         }
166         exit(1);
167 }
168
169 int
170 main(int argc, char **argv)
171 {
172         uint16_t devid;
173         struct drm_intel_decode *ctx;
174
175         if (argc < 2)
176                 usage();
177
178
179         devid = infer_devid(argv[1]);
180
181         ctx = drm_intel_decode_context_alloc(devid);
182
183         if (argc == 3) {
184                 if (strcmp(argv[2], "-dump") == 0)
185                         dump_batch(ctx, argv[1]);
186                 else
187                         usage();
188         } else {
189                 compare_batch(ctx, argv[1]);
190         }
191
192         drm_intel_decode_context_free(ctx);
193
194         return 0;
195 }