st/mesa: cache staging texture for glReadPixels
[mesa.git] / src / mesa / state_tracker / st_debug.c
1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29 #include "main/context.h"
30 #include "program/prog_print.h"
31
32 #include "pipe/p_state.h"
33 #include "pipe/p_shader_tokens.h"
34 #include "tgsi/tgsi_dump.h"
35
36 #include "cso_cache/cso_cache.h"
37
38 #include "st_context.h"
39 #include "st_debug.h"
40 #include "st_program.h"
41
42
43
44 #ifdef DEBUG
45 int ST_DEBUG = 0;
46
47 static const struct debug_named_value st_debug_flags[] = {
48 { "mesa", DEBUG_MESA, NULL },
49 { "tgsi", DEBUG_TGSI, NULL },
50 { "constants",DEBUG_CONSTANTS, NULL },
51 { "pipe", DEBUG_PIPE, NULL },
52 { "tex", DEBUG_TEX, NULL },
53 { "fallback", DEBUG_FALLBACK, NULL },
54 { "screen", DEBUG_SCREEN, NULL },
55 { "query", DEBUG_QUERY, NULL },
56 { "draw", DEBUG_DRAW, NULL },
57 { "buffer", DEBUG_BUFFER, NULL },
58 { "wf", DEBUG_WIREFRAME, NULL },
59 { "precompile", DEBUG_PRECOMPILE, NULL },
60 { "gremedy", DEBUG_GREMEDY, "Enable GREMEDY debug extensions" },
61 { "noreadpixcache", DEBUG_NOREADPIXCACHE, NULL },
62 DEBUG_NAMED_VALUE_END
63 };
64
65 DEBUG_GET_ONCE_FLAGS_OPTION(st_debug, "ST_DEBUG", st_debug_flags, 0)
66 #endif
67
68
69 void
70 st_debug_init(void)
71 {
72 #ifdef DEBUG
73 ST_DEBUG = debug_get_option_st_debug();
74 #endif
75 }
76
77
78
79 /**
80 * Print current state. May be called from inside gdb to see currently
81 * bound vertex/fragment shaders and associated constants.
82 */
83 void
84 st_print_current(void)
85 {
86 GET_CURRENT_CONTEXT(ctx);
87 struct st_context *st = st_context(ctx);
88
89 #if 0
90 int i;
91
92 printf("Vertex Transform Inputs:\n");
93 for (i = 0; i < st->vp->state.num_inputs; i++) {
94 printf(" Slot %d: VERT_ATTRIB_%d\n", i, st->vp->index_to_input[i]);
95 }
96 #endif
97
98 if (st->vp->variants)
99 tgsi_dump( st->vp->variants[0].tgsi.tokens, 0 );
100 if (st->vp->Base.Base.Parameters)
101 _mesa_print_parameter_list(st->vp->Base.Base.Parameters);
102
103 tgsi_dump(st->fp->tgsi.tokens, 0);
104 if (st->fp->Base.Base.Parameters)
105 _mesa_print_parameter_list(st->fp->Base.Base.Parameters);
106 }
107
108
109 /**
110 * Installed as pipe_debug_callback when GL_DEBUG_OUTPUT is enabled.
111 */
112 static void
113 st_debug_message(void *data,
114 unsigned *id,
115 enum pipe_debug_type ptype,
116 const char *fmt,
117 va_list args)
118 {
119 struct st_context *st = data;
120 enum mesa_debug_source source;
121 enum mesa_debug_type type;
122 enum mesa_debug_severity severity;
123
124 switch (ptype) {
125 case PIPE_DEBUG_TYPE_OUT_OF_MEMORY:
126 source = MESA_DEBUG_SOURCE_API;
127 type = MESA_DEBUG_TYPE_ERROR;
128 severity = MESA_DEBUG_SEVERITY_MEDIUM;
129 break;
130 case PIPE_DEBUG_TYPE_ERROR:
131 source = MESA_DEBUG_SOURCE_API;
132 type = MESA_DEBUG_TYPE_ERROR;
133 severity = MESA_DEBUG_SEVERITY_MEDIUM;
134 break;
135 case PIPE_DEBUG_TYPE_SHADER_INFO:
136 source = MESA_DEBUG_SOURCE_SHADER_COMPILER;
137 type = MESA_DEBUG_TYPE_OTHER;
138 severity = MESA_DEBUG_SEVERITY_NOTIFICATION;
139 break;
140 case PIPE_DEBUG_TYPE_PERF_INFO:
141 source = MESA_DEBUG_SOURCE_API;
142 type = MESA_DEBUG_TYPE_PERFORMANCE;
143 severity = MESA_DEBUG_SEVERITY_NOTIFICATION;
144 break;
145 case PIPE_DEBUG_TYPE_INFO:
146 source = MESA_DEBUG_SOURCE_API;
147 type = MESA_DEBUG_TYPE_OTHER;
148 severity = MESA_DEBUG_SEVERITY_NOTIFICATION;
149 break;
150 case PIPE_DEBUG_TYPE_FALLBACK:
151 source = MESA_DEBUG_SOURCE_API;
152 type = MESA_DEBUG_TYPE_PERFORMANCE;
153 severity = MESA_DEBUG_SEVERITY_NOTIFICATION;
154 break;
155 case PIPE_DEBUG_TYPE_CONFORMANCE:
156 source = MESA_DEBUG_SOURCE_API;
157 type = MESA_DEBUG_TYPE_OTHER;
158 severity = MESA_DEBUG_SEVERITY_NOTIFICATION;
159 break;
160 default:
161 unreachable("invalid debug type");
162 }
163 _mesa_gl_vdebug(st->ctx, id, source, type, severity, fmt, args);
164 }
165
166 void
167 st_enable_debug_output(struct st_context *st, boolean enable)
168 {
169 struct pipe_context *pipe = st->pipe;
170
171 if (!pipe->set_debug_callback)
172 return;
173
174 if (enable) {
175 struct pipe_debug_callback cb = { st_debug_message, st };
176 pipe->set_debug_callback(pipe, &cb);
177 } else {
178 pipe->set_debug_callback(pipe, NULL);
179 }
180 }