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backend/drm: query render formats

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On some platforms it's possible that the display engine supports
modifiers not supported by the render engine.

Query render formats and intersect them with plane formats to accommodate
for this.
This commit is contained in:
Simon Ser 2020-11-25 16:24:07 +01:00 committed by Ilia Bozhinov
parent 82443ea46b
commit 0e927533b0
1 changed files with 40 additions and 17 deletions
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57
backend/drm/renderer.c
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@ -12,6 +12,7 @@
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include "backend/drm/drm.h"
#include "render/drm_format_set.h"
#include "render/gbm_allocator.h"
#include "render/swapchain.h"
#include "render/wlr_renderer.h"
@ -239,39 +240,61 @@ bool drm_plane_init_surface(struct wlr_drm_plane *plane,
if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
format = strip_alpha_channel(format);
}
if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
const struct wlr_drm_format *plane_format =
wlr_drm_format_set_get(&plane->formats, format);
if (plane_format == NULL) {
wlr_log(WLR_ERROR, "Plane %"PRIu32" doesn't support format 0x%"PRIX32,
plane->id, format);
return false;
}
const struct wlr_drm_format *drm_format = NULL;
const struct wlr_drm_format format_no_modifiers = { .format = format };
const struct wlr_drm_format_set *render_formats =
wlr_renderer_get_dmabuf_render_formats(drm->renderer.wlr_rend);
if (render_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to get render formats");
return false;
}
const struct wlr_drm_format *render_format =
wlr_drm_format_set_get(render_formats, format);
if (render_format == NULL) {
wlr_log(WLR_ERROR, "Renderer doesn't support format 0x%"PRIX32,
format);
return false;
}
struct wlr_drm_format *drm_format = NULL;
if (with_modifiers) {
drm_format = wlr_drm_format_set_get(&plane->formats, format);
drm_format = wlr_drm_format_intersect(plane_format, render_format);
if (drm_format == NULL) {
wlr_log(WLR_ERROR,
"Failed to intersect plane and render formats 0x%"PRIX32,
format);
return false;
}
} else {
drm_format = &format_no_modifiers;
const struct wlr_drm_format format_no_modifiers = { .format = format };
drm_format = wlr_drm_format_dup(&format_no_modifiers);
}
drm_plane_finish_surface(plane);
bool ok = true;
if (!drm->parent) {
return init_drm_surface(&plane->surf, &drm->renderer, width, height,
ok = init_drm_surface(&plane->surf, &drm->renderer, width, height,
drm_format, flags | GBM_BO_USE_SCANOUT);
} else {
ok = init_drm_surface(&plane->surf, &drm->parent->renderer,
width, height, drm_format, flags | GBM_BO_USE_LINEAR);
if (ok && !init_drm_surface(&plane->mgpu_surf, &drm->renderer,
width, height, drm_format, flags | GBM_BO_USE_SCANOUT)) {
finish_drm_surface(&plane->surf);
ok = false;
}
}
if (!init_drm_surface(&plane->surf, &drm->parent->renderer,
width, height, drm_format, flags | GBM_BO_USE_LINEAR)) {
return false;
}
free(drm_format);
if (!init_drm_surface(&plane->mgpu_surf, &drm->renderer,
width, height, drm_format, flags | GBM_BO_USE_SCANOUT)) {
finish_drm_surface(&plane->surf);
return false;
}
return true;
return ok;
}
void drm_fb_clear(struct wlr_drm_fb *fb) {