| /* |
| * Copyright 2003 VMware, Inc. |
| * Copyright © 2006 Intel Corporation |
| * Copyright © 2017 Broadcom |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| /** |
| * \file v3d_debug.c |
| * |
| * Support for the V3D_DEBUG environment variable, along with other |
| * miscellaneous debugging code. |
| */ |
| |
| #include <stdlib.h> |
| |
| #include "common/v3d_debug.h" |
| #include "util/macros.h" |
| #include "util/debug.h" |
| #include "c11/threads.h" |
| |
| uint32_t V3D_DEBUG = 0; |
| |
| static const struct debug_control debug_control[] = { |
| { "cl", V3D_DEBUG_CL}, |
| { "qpu", V3D_DEBUG_QPU}, |
| { "vir", V3D_DEBUG_VIR}, |
| { "nir", V3D_DEBUG_NIR}, |
| { "tgsi", V3D_DEBUG_TGSI}, |
| { "shaderdb", V3D_DEBUG_SHADERDB}, |
| { "surface", V3D_DEBUG_SURFACE}, |
| { "perf", V3D_DEBUG_PERF}, |
| { "norast", V3D_DEBUG_NORAST}, |
| { "fs", V3D_DEBUG_FS}, |
| { "vs", V3D_DEBUG_VS}, |
| { "cs", V3D_DEBUG_CS}, |
| { NULL, 0 } |
| }; |
| |
| uint32_t |
| v3d_debug_flag_for_shader_stage(gl_shader_stage stage) |
| { |
| uint32_t flags[] = { |
| [MESA_SHADER_VERTEX] = V3D_DEBUG_VS, |
| [MESA_SHADER_TESS_CTRL] = 0, |
| [MESA_SHADER_TESS_EVAL] = 0, |
| [MESA_SHADER_GEOMETRY] = 0, |
| [MESA_SHADER_FRAGMENT] = V3D_DEBUG_FS, |
| [MESA_SHADER_COMPUTE] = V3D_DEBUG_CS, |
| }; |
| STATIC_ASSERT(MESA_SHADER_STAGES == 6); |
| return flags[stage]; |
| } |
| |
| static void |
| v3d_process_debug_variable_once(void) |
| { |
| V3D_DEBUG = parse_debug_string(getenv("V3D_DEBUG"), debug_control); |
| |
| if (V3D_DEBUG & V3D_DEBUG_SHADERDB) |
| V3D_DEBUG |= V3D_DEBUG_NORAST; |
| } |
| |
| void |
| v3d_process_debug_variable(void) |
| { |
| static once_flag v3d_process_debug_variable_flag = ONCE_FLAG_INIT; |
| |
| call_once(&v3d_process_debug_variable_flag, |
| v3d_process_debug_variable_once); |
| } |