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/*
* 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},
{ "clif", V3D_DEBUG_CLIF},
{ "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},
{ "always_flush", V3D_DEBUG_ALWAYS_FLUSH},
{ 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);
}
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