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https://gitlab.freedesktop.org/mesa/mesa.git
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11198951e6
Initial integration, still needs the init functions to be changed across the codebase. For the context usage https://github.com/mikesart/gpuvis/pull/82 is needed to display it correctly in gpuvis. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22505>
53 lines
No EOL
1.2 KiB
C
53 lines
No EOL
1.2 KiB
C
/*
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* Copyright 2023 Bas Nieuwenhuizen
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* SPDX-License-Identifier: MIT
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*/
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#include "u_gpuvis.h"
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#include <threads.h>
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#define GPUVIS_TRACE_IMPLEMENTATION
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#include "gpuvis_trace_utils.h"
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/* Random base value to prevent collisions. As contexts are considered thread
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* global by gpuvis, collisions are quite likely if we start at 0 and there
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* are independent libraries tacing
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*/
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static unsigned int gpuvis_base_ctx;
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static _Thread_local unsigned int gpuvis_current_ctx;
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static once_flag gpuvis_once_flag = ONCE_FLAG_INIT;
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static void
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util_gpuvis_init_once()
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{
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gpuvis_trace_init();
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/* Initialize it by address to avoid collisions between libraries using
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* this code (e.g. GL & vulkan) */
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gpuvis_base_ctx = (uintptr_t) util_gpuvis_init_once >> 12;
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}
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void
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util_gpuvis_init(void)
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{
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call_once(&gpuvis_once_flag, util_gpuvis_init_once);
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}
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void
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util_gpuvis_begin(const char *name)
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{
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unsigned int ctx = gpuvis_base_ctx + ++gpuvis_current_ctx;
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gpuvis_trace_begin_ctx_printf(ctx, "mesa:%s", name);
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}
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void
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util_gpuvis_end(void)
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{
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unsigned int ctx = gpuvis_base_ctx + gpuvis_current_ctx--;
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/* Use an empty string to avoid warnings about an empty format string. */
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gpuvis_trace_end_ctx_printf(ctx, "%s", "");
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} |