backend/drm: query render formats
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.
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@ -12,6 +12,7 @@
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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#include "backend/drm/drm.h"
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#include "backend/drm/drm.h"
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#include "render/drm_format_set.h"
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#include "render/gbm_allocator.h"
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#include "render/gbm_allocator.h"
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#include "render/swapchain.h"
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#include "render/swapchain.h"
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#include "render/wlr_renderer.h"
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#include "render/wlr_renderer.h"
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@ -239,39 +240,61 @@ bool drm_plane_init_surface(struct wlr_drm_plane *plane,
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if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
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if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
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format = strip_alpha_channel(format);
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format = strip_alpha_channel(format);
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}
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}
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if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
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const struct wlr_drm_format *plane_format =
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wlr_drm_format_set_get(&plane->formats, format);
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if (plane_format == NULL) {
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wlr_log(WLR_ERROR, "Plane %"PRIu32" doesn't support format 0x%"PRIX32,
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wlr_log(WLR_ERROR, "Plane %"PRIu32" doesn't support format 0x%"PRIX32,
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plane->id, format);
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plane->id, format);
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return false;
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return false;
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}
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}
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const struct wlr_drm_format *drm_format = NULL;
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const struct wlr_drm_format_set *render_formats =
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const struct wlr_drm_format format_no_modifiers = { .format = format };
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wlr_renderer_get_dmabuf_render_formats(drm->renderer.wlr_rend);
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if (render_formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get render formats");
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return false;
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}
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const struct wlr_drm_format *render_format =
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wlr_drm_format_set_get(render_formats, format);
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if (render_format == NULL) {
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wlr_log(WLR_ERROR, "Renderer doesn't support format 0x%"PRIX32,
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format);
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return false;
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}
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struct wlr_drm_format *drm_format = NULL;
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if (with_modifiers) {
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if (with_modifiers) {
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drm_format = wlr_drm_format_set_get(&plane->formats, format);
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drm_format = wlr_drm_format_intersect(plane_format, render_format);
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if (drm_format == NULL) {
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wlr_log(WLR_ERROR,
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"Failed to intersect plane and render formats 0x%"PRIX32,
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format);
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return false;
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}
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} else {
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} else {
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drm_format = &format_no_modifiers;
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const struct wlr_drm_format format_no_modifiers = { .format = format };
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drm_format = wlr_drm_format_dup(&format_no_modifiers);
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}
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}
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drm_plane_finish_surface(plane);
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drm_plane_finish_surface(plane);
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bool ok = true;
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if (!drm->parent) {
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if (!drm->parent) {
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return init_drm_surface(&plane->surf, &drm->renderer, width, height,
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ok = init_drm_surface(&plane->surf, &drm->renderer, width, height,
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drm_format, flags | GBM_BO_USE_SCANOUT);
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drm_format, flags | GBM_BO_USE_SCANOUT);
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} else {
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ok = init_drm_surface(&plane->surf, &drm->parent->renderer,
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width, height, drm_format, flags | GBM_BO_USE_LINEAR);
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if (ok && !init_drm_surface(&plane->mgpu_surf, &drm->renderer,
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width, height, drm_format, flags | GBM_BO_USE_SCANOUT)) {
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finish_drm_surface(&plane->surf);
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ok = false;
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}
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}
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}
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if (!init_drm_surface(&plane->surf, &drm->parent->renderer,
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free(drm_format);
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width, height, drm_format, flags | GBM_BO_USE_LINEAR)) {
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return false;
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}
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if (!init_drm_surface(&plane->mgpu_surf, &drm->renderer,
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return ok;
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width, height, drm_format, flags | GBM_BO_USE_SCANOUT)) {
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finish_drm_surface(&plane->surf);
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return false;
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}
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return true;
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}
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}
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void drm_fb_clear(struct wlr_drm_fb *fb) {
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void drm_fb_clear(struct wlr_drm_fb *fb) {
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