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kopper: Grow a swap interval API

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We take a slight liberty here by allowing 0 to mean either MAILBOX or
IMMEDIATE, since Wayland (at least) doesn't have a true IMMEDIATE mode
at least MAILBOX won't throttle to vblank.

This only correctly handles intervals of 0 or 1 at the moment.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15800>
This commit is contained in:
Adam Jackson
2022-04-28 17:03:23 -04:00
committed by Marge Bot
parent 44a20baeb8
commit 1e90e3325b
4 changed files with 57 additions and 2 deletions
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21
src/gallium/frontends/dri/kopper.c
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@@ -31,6 +31,7 @@
#include "state_tracker/st_context.h"
#include "os/os_process.h"
#include "zink/zink_public.h"
#include "zink/zink_instance.h"
#include "zink/zink_kopper.h"
#include "driver_trace/tr_screen.h"
@@ -98,6 +99,8 @@ static const __DRIrobustnessExtension dri2Robustness = {
.base = { __DRI2_ROBUSTNESS, 1 }
};
const __DRIkopperExtension driKopperExtension;
static const __DRIextension *drivk_screen_extensions[] = {
&driTexBufferExtension.base,
&dri2RendererQueryExtension.base,
@@ -107,6 +110,7 @@ static const __DRIextension *drivk_screen_extensions[] = {
&driVkImageExtension.base,
&dri2FlushControlExtension.base,
&driVkFlushExtension.base,
&driKopperExtension.base,
NULL
};
@@ -965,11 +969,28 @@ kopperCreateNewDrawable(__DRIscreen *screen,
return pdraw;
}
static void
kopperSetSwapInterval(__DRIdrawable *dPriv, int interval)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
struct dri_screen *screen = dri_screen(drawable->sPriv);
struct kopper_screen *kscreen = (struct kopper_screen *)screen;
struct pipe_screen *pscreen = kscreen->screen;
struct pipe_resource *ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT] ?
drawable->textures[ST_ATTACHMENT_BACK_LEFT] :
drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
// the conditional is because we can be called before buffer allocation, though
// this is almost certainly not the right fix.
if (ptex)
zink_kopper_set_swap_interval(pscreen, ptex, interval);
}
const __DRIkopperExtension driKopperExtension = {
.base = { __DRI_KOPPER, 1 },
.createNewDrawable = kopperCreateNewDrawable,
.swapBuffers = kopperSwapBuffers,
.setSwapInterval = kopperSetSwapInterval,
};
const struct __DriverAPIRec galliumvk_driver_api = {