mirror of
https://github.com/ublue-os/bazzite.git
synced 2025-02-07 03:40:07 +00:00
118 lines
4.1 KiB
Diff
118 lines
4.1 KiB
Diff
diff --git a/src/loader/loader_dri3_helper.c b/src/loader/loader_dri3_helper.c
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index dc1db4fa8be..38e55dc23ae 100644
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--- a/src/loader/loader_dri3_helper.c
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+++ b/src/loader/loader_dri3_helper.c
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@@ -289,6 +289,30 @@ dri3_update_max_num_back(struct loader_dri3_drawable *draw)
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}
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}
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+static unsigned
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+gamescope_swapchain_override()
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+{
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+ const char *path = getenv("GAMESCOPE_LIMITER_FILE");
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+ if (!path)
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+ return 0;
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+
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+ static simple_mtx_t mtx = SIMPLE_MTX_INITIALIZER;
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+ static int fd = -1;
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+
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+ simple_mtx_lock(&mtx);
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+ if (fd < 0) {
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+ fd = open(path, O_RDONLY);
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+ }
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+ simple_mtx_unlock(&mtx);
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+
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+ if (fd < 0)
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+ return 0;
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+
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+ uint32_t override_value = 0;
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+ pread(fd, &override_value, sizeof(override_value), 0);
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+ return override_value;
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+}
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+
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void
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loader_dri3_set_swap_interval(struct loader_dri3_drawable *draw, int interval)
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{
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@@ -303,10 +327,12 @@ loader_dri3_set_swap_interval(struct loader_dri3_drawable *draw, int interval)
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* PS. changing from value A to B and A < B won't cause swap out of order but
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* may still gets wrong target_msc value at the beginning.
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*/
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- if (draw->swap_interval != interval)
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+ if (draw->orig_swap_interval != interval)
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loader_dri3_swapbuffer_barrier(draw);
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- draw->swap_interval = interval;
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+ draw->orig_swap_interval = interval;
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+ if (gamescope_swapchain_override() != 1)
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+ draw->swap_interval = interval;
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}
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static void
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@@ -438,6 +464,12 @@ loader_dri3_drawable_init(xcb_connection_t *conn,
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draw->swap_interval = dri_get_initial_swap_interval(draw->dri_screen_render_gpu,
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draw->ext->config);
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+ draw->orig_swap_interval = draw->swap_interval;
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+
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+ unsigned gamescope_override = gamescope_swapchain_override();
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+ if (gamescope_override == 1)
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+ draw->swap_interval = 1;
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+
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dri3_update_max_num_back(draw);
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/* Create a new drawable */
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@@ -1085,6 +1117,12 @@ loader_dri3_swap_buffers_msc(struct loader_dri3_drawable *draw,
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if (draw->type == LOADER_DRI3_DRAWABLE_WINDOW) {
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dri3_fence_reset(draw->conn, back);
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+ unsigned gamescope_override = gamescope_swapchain_override();
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+ if (gamescope_override == 1)
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+ draw->swap_interval = 1;
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+ else
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+ draw->swap_interval = draw->orig_swap_interval;
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+
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/* Compute when we want the frame shown by taking the last known
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* successful MSC and adding in a swap interval for each outstanding swap
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* request. target_msc=divisor=remainder=0 means "Use glXSwapBuffers()
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diff --git a/src/loader/loader_dri3_helper.h b/src/loader/loader_dri3_helper.h
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index cc2362dd599..fe73b3f329c 100644
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--- a/src/loader/loader_dri3_helper.h
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+++ b/src/loader/loader_dri3_helper.h
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@@ -178,6 +178,7 @@ struct loader_dri3_drawable {
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bool block_on_depleted_buffers;
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bool queries_buffer_age;
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int swap_interval;
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+ int orig_swap_interval;
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struct loader_dri3_extensions *ext;
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const struct loader_dri3_vtable *vtable;
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diff --git a/src/loader/meson.build b/src/loader/meson.build
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index 043cc852112..8391ff38936 100644
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--- a/src/loader/meson.build
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+++ b/src/loader/meson.build
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@@ -29,7 +29,7 @@ if with_platform_x11 and with_dri3
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dependencies : [
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idep_mesautil,
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dep_libdrm, dep_xcb_dri3, dep_xcb_present, dep_xcb_sync, dep_xshmfence,
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- dep_xcb_xfixes,
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+ dep_xcb_xfixes, dep_xcb_xrandr, idep_mesautil
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],
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build_by_default : false,
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)
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diff --git a/src/util/00-radv-defaults.conf b/src/util/00-radv-defaults.conf
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index 3fa2d074ff5..e1faad8a731 100644
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--- a/src/util/00-radv-defaults.conf
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+++ b/src/util/00-radv-defaults.conf
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@@ -201,6 +201,11 @@ Application bugs worked around in this file:
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<application name="Rocket League" executable="RocketLeague">
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<option name="radv_zero_vram" value="true" />
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</application>
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+
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+ <application name="Forza Horizon 5" application_name_match="ForzaHorizon5.exe">
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+ <option name="vk_x11_override_min_image_count" value="4" />
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+ </application>
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+
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<application name="Crystal Project" executable="Crystal Project.bin.x86_64">
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<option name="radv_zero_vram" value="true" />
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</application>
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