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/*
* Copyright 2003 VMware, Inc.
* Copyright © 2006 Intel Corporation
*
* 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 gen_debug.c
*
* Support for the INTEL_DEBUG environment variable, along with other
* miscellaneous debugging code.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dev/gen_debug.h"
#include "git_sha1.h"
#include "util/macros.h"
#include "util/debug.h"
#include "c11/threads.h"
uint64_t INTEL_DEBUG = 0;
static const struct debug_control debug_control[] = {
{ "tex", DEBUG_TEXTURE},
{ "state", DEBUG_STATE},
{ "blit", DEBUG_BLIT},
{ "mip", DEBUG_MIPTREE},
{ "fall", DEBUG_PERF},
{ "perf", DEBUG_PERF},
{ "perfmon", DEBUG_PERFMON},
{ "bat", DEBUG_BATCH},
{ "pix", DEBUG_PIXEL},
{ "buf", DEBUG_BUFMGR},
{ "fbo", DEBUG_FBO},
{ "fs", DEBUG_WM },
{ "gs", DEBUG_GS},
{ "sync", DEBUG_SYNC},
{ "prim", DEBUG_PRIMS },
{ "vert", DEBUG_VERTS },
{ "dri", DEBUG_DRI },
{ "sf", DEBUG_SF },
{ "submit", DEBUG_SUBMIT },
{ "wm", DEBUG_WM },
{ "urb", DEBUG_URB },
{ "vs", DEBUG_VS },
{ "clip", DEBUG_CLIP },
{ "shader_time", DEBUG_SHADER_TIME },
{ "no16", DEBUG_NO16 },
{ "blorp", DEBUG_BLORP },
{ "nodualobj", DEBUG_NO_DUAL_OBJECT_GS },
{ "optimizer", DEBUG_OPTIMIZER },
{ "ann", DEBUG_ANNOTATION },
{ "no8", DEBUG_NO8 },
{ "no-oaconfig", DEBUG_NO_OACONFIG },
{ "spill_fs", DEBUG_SPILL_FS },
{ "spill_vec4", DEBUG_SPILL_VEC4 },
{ "cs", DEBUG_CS },
{ "hex", DEBUG_HEX },
{ "nocompact", DEBUG_NO_COMPACTION },
{ "hs", DEBUG_TCS },
{ "tcs", DEBUG_TCS },
{ "ds", DEBUG_TES },
{ "tes", DEBUG_TES },
{ "l3", DEBUG_L3 },
{ "do32", DEBUG_DO32 },
{ "norbc", DEBUG_NO_RBC },
{ "nohiz", DEBUG_NO_HIZ },
{ "color", DEBUG_COLOR },
{ "reemit", DEBUG_REEMIT },
{ "soft64", DEBUG_SOFT64 },
{ "tcs8", DEBUG_TCS_EIGHT_PATCH },
{ "bt", DEBUG_BT },
{ "pc", DEBUG_PIPE_CONTROL },
{ "nofc", DEBUG_NO_FAST_CLEAR },
{ "no32", DEBUG_NO32 },
{ NULL, 0 }
};
uint64_t
intel_debug_flag_for_shader_stage(gl_shader_stage stage)
{
uint64_t flags[] = {
[MESA_SHADER_VERTEX] = DEBUG_VS,
[MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
[MESA_SHADER_TESS_EVAL] = DEBUG_TES,
[MESA_SHADER_GEOMETRY] = DEBUG_GS,
[MESA_SHADER_FRAGMENT] = DEBUG_WM,
[MESA_SHADER_COMPUTE] = DEBUG_CS,
};
STATIC_ASSERT(MESA_SHADER_STAGES == 6);
return flags[stage];
}
static void
brw_process_intel_debug_variable_once(void)
{
INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
}
void
brw_process_intel_debug_variable(void)
{
static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
call_once(&process_intel_debug_variable_flag,
brw_process_intel_debug_variable_once);
}
static uint64_t debug_identifier[4] = {
0xffeeddccbbaa9988,
0x7766554433221100,
0xffeeddccbbaa9988,
0x7766554433221100,
};
void *
intel_debug_identifier(void)
{
return debug_identifier;
}
uint32_t
intel_debug_identifier_size(void)
{
return sizeof(debug_identifier);
}
uint32_t
intel_debug_write_identifiers(void *_output,
uint32_t output_size,
const char *driver_name)
{
void *output = _output, *output_end = _output + output_size;
assert(output_size > intel_debug_identifier_size());
memcpy(output, intel_debug_identifier(), intel_debug_identifier_size());
output += intel_debug_identifier_size();
for (uint32_t id = GEN_DEBUG_BLOCK_TYPE_DRIVER; id < GEN_DEBUG_BLOCK_TYPE_MAX; id++) {
switch (id) {
case GEN_DEBUG_BLOCK_TYPE_DRIVER: {
struct gen_debug_block_driver driver_desc = {
.base = {
.type = id,
},
};
int len = snprintf(output + sizeof(driver_desc),
output_end - (output + sizeof(driver_desc)),
"%s " PACKAGE_VERSION " build " MESA_GIT_SHA1,
driver_name);
driver_desc.base.length = sizeof(driver_desc) + len + 1;
memcpy(output, &driver_desc, sizeof(driver_desc));
output += driver_desc.base.length;
break;
}
default:
unreachable("Missing identifier write");
}
assert(output < output_end);
}
struct gen_debug_block_base end = {
.type = GEN_DEBUG_BLOCK_TYPE_END,
.length = sizeof(end),
};
memcpy(output, &end, sizeof(end));
output += sizeof(end);
assert(output < output_end);
/* Return the how many bytes where written, so that the rest of the buffer
* can be used for other things.
*/
return output - _output;
}
void *
intel_debug_get_identifier_block(void *_buffer,
uint32_t buffer_size,
enum gen_debug_block_type type)
{
void *buffer = _buffer + intel_debug_identifier_size(),
*end_buffer = _buffer + buffer_size;
while (buffer < end_buffer) {
struct gen_debug_block_base *item = buffer;
if (item->type == type)
return item;
if (item->type == GEN_DEBUG_BLOCK_TYPE_END)
return NULL;
buffer += item->length;
}
return NULL;
}
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