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