mirror of https://github.com/yshui/picom.git
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) Yuxuan Shui <yshuiv7@gmail.com>
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#pragma once
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#include <stddef.h>
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#include <stdio.h>
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#include <xcb/xcb.h>
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#include "utils.h"
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struct session;
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struct backend_base;
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// A list of known driver quirks:
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// * NVIDIA driver doesn't like seeing the same pixmap under different
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// ids, so avoid naming the pixmap again when it didn't actually change.
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/// A list of possible drivers.
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/// The driver situation is a bit complicated. There are two drivers we care about: the
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/// DDX, and the OpenGL driver. They are usually paired, but not always, since there is
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/// also the generic modesetting driver.
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/// This enum represents _both_ drivers.
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enum driver {
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DRIVER_AMDGPU = 1, // AMDGPU for DDX, radeonsi for OpenGL
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DRIVER_RADEON = 2, // ATI for DDX, mesa r600 for OpenGL
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DRIVER_FGLRX = 4,
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DRIVER_NVIDIA = 8,
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DRIVER_NOUVEAU = 16,
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DRIVER_INTEL = 32,
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DRIVER_MODESETTING = 64,
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};
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static const char *driver_names[] = {
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"AMDGPU", "Radeon", "fglrx", "NVIDIA", "nouveau", "Intel", "modesetting",
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};
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/// Return a list of all drivers currently in use by the X server.
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/// Note, this is a best-effort test, so no guarantee all drivers will be detected.
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enum driver detect_driver(xcb_connection_t *, struct backend_base *, xcb_window_t);
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/// Apply driver specified global workarounds. It's safe to call this multiple times.
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void apply_driver_workarounds(struct session *ps, enum driver);
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// Print driver names to stdout, for diagnostics
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static inline void print_drivers(enum driver drivers) {
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const char *seen_drivers[ARR_SIZE(driver_names)];
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int driver_count = 0;
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for (size_t i = 0; i < ARR_SIZE(driver_names); i++) {
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if (drivers & (1ul << i)) {
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seen_drivers[driver_count++] = driver_names[i];
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}
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}
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if (driver_count > 0) {
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printf("%s", seen_drivers[0]);
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for (int i = 1; i < driver_count; i++) {
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printf(", %s", seen_drivers[i]);
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}
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}
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printf("\n");
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}
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