2 * Copyright 2003 VMware, Inc.
3 * Copyright © 2006 Intel Corporation
4 * Copyright © 2017 Broadcom
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 * Support for the V3D_DEBUG environment variable, along with other
30 * miscellaneous debugging code.
35 #include "common/v3d_debug.h"
36 #include "util/macros.h"
37 #include "util/debug.h"
38 #include "c11/threads.h"
40 uint32_t V3D_DEBUG
= 0;
42 static const struct debug_control debug_control
[] = {
43 { "cl", V3D_DEBUG_CL
},
44 { "qpu", V3D_DEBUG_QPU
},
45 { "vir", V3D_DEBUG_VIR
},
46 { "nir", V3D_DEBUG_NIR
},
47 { "tgsi", V3D_DEBUG_TGSI
},
48 { "shaderdb", V3D_DEBUG_SHADERDB
},
49 { "surface", V3D_DEBUG_SURFACE
},
50 { "perf", V3D_DEBUG_PERF
},
51 { "norast", V3D_DEBUG_NORAST
},
52 { "fs", V3D_DEBUG_FS
},
53 { "vs", V3D_DEBUG_VS
},
54 { "cs", V3D_DEBUG_CS
},
59 v3d_debug_flag_for_shader_stage(gl_shader_stage stage
)
62 [MESA_SHADER_VERTEX
] = V3D_DEBUG_VS
,
63 [MESA_SHADER_TESS_CTRL
] = 0,
64 [MESA_SHADER_TESS_EVAL
] = 0,
65 [MESA_SHADER_GEOMETRY
] = 0,
66 [MESA_SHADER_FRAGMENT
] = V3D_DEBUG_FS
,
67 [MESA_SHADER_COMPUTE
] = V3D_DEBUG_CS
,
69 STATIC_ASSERT(MESA_SHADER_STAGES
== 6);
74 v3d_process_debug_variable_once(void)
76 V3D_DEBUG
= parse_debug_string(getenv("V3D_DEBUG"), debug_control
);
78 if (V3D_DEBUG
& V3D_DEBUG_SHADERDB
)
79 V3D_DEBUG
|= V3D_DEBUG_NORAST
;
83 v3d_process_debug_variable(void)
85 static once_flag v3d_process_debug_variable_flag
= ONCE_FLAG_INIT
;
87 call_once(&v3d_process_debug_variable_flag
,
88 v3d_process_debug_variable_once
);