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output: fix attach_buffer semantics

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This commit is contained in:
Simon Ser 2019-04-29 23:25:47 +03:00 • committed by Drew DeVault
parent 1d222309b8
commit afe7b207d5
4 changed files with 52 additions and 40 deletions
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66
backend/drm/drm.c
View file

@ -301,11 +301,44 @@ static bool drm_connector_commit(struct wlr_output *output) {
damage = &output->pending.damage;
}
struct gbm_bo *bo = swap_drm_surface_buffers(&plane->surf, damage);
if (drm->parent) {
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
struct gbm_bo *bo;
uint32_t fb_id = 0;
assert(output->pending.committed & WLR_OUTPUT_STATE_BUFFER);
switch (output->pending.buffer_type) {
case WLR_OUTPUT_STATE_BUFFER_RENDER:
bo = swap_drm_surface_buffers(&plane->surf, damage);
if (bo == NULL) {
wlr_log(WLR_ERROR, "swap_drm_surface_buffers failed");
return false;
}
if (drm->parent) {
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
if (bo == NULL) {
wlr_log(WLR_ERROR, "copy_drm_surface_mgpu failed");
return false;
}
}
fb_id = get_fb_for_bo(bo, plane->drm_format);
if (fb_id == 0) {
wlr_log(WLR_ERROR, "get_fb_for_bo failed");
return false;
}
break;
case WLR_OUTPUT_STATE_BUFFER_SCANOUT:
bo = import_gbm_bo(&drm->renderer, &conn->pending_dmabuf);
if (bo == NULL) {
wlr_log(WLR_ERROR, "import_gbm_bo failed");
return false;
}
fb_id = get_fb_for_bo(bo, gbm_bo_get_format(bo));
if (fb_id == 0) {
wlr_log(WLR_ERROR, "get_fb_for_bo failed");
return false;
}
break;
}
uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
if (conn->pageflip_pending) {
wlr_log(WLR_ERROR, "Skipping pageflip on output '%s'", conn->output.name);
@ -903,30 +936,7 @@ static bool drm_connector_attach_buffer(struct wlr_output *output,
}
}
struct gbm_bo *bo = import_gbm_bo(&drm->renderer, &attribs);
if (bo == NULL) {
wlr_log(WLR_ERROR, "import_gbm_bo failed");
return NULL;
}
uint32_t fb_id = get_fb_for_bo(bo, gbm_bo_get_format(bo));
if (fb_id == 0) {
wlr_log(WLR_ERROR, "get_fb_for_bo failed");
return false;
}
if (conn->pageflip_pending) {
wlr_log(WLR_ERROR, "Skipping pageflip on output '%s'", conn->output.name);
return false;
}
if (!drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
wlr_log(WLR_ERROR, "crtc_pageflip failed");
return false;
}
conn->pageflip_pending = true;
wlr_output_update_enabled(output, true);
memcpy(&conn->pending_dmabuf, &attribs, sizeof(attribs));
return true;
}

2
include/backend/drm/drm.h
View file

@ -148,6 +148,8 @@ struct wlr_drm_connector {
bool pageflip_pending;
struct wl_event_source *retry_pageflip;
struct wl_list link;
struct wlr_dmabuf_attributes pending_dmabuf;
};
struct wlr_drm_backend *get_drm_backend_from_backend(

9
include/wlr/types/wlr_output.h
View file

@ -52,12 +52,21 @@ enum wlr_output_state_field {
WLR_OUTPUT_STATE_DAMAGE = 1 << 1,
};
enum wlr_output_state_buffer_type {
WLR_OUTPUT_STATE_BUFFER_RENDER,
WLR_OUTPUT_STATE_BUFFER_SCANOUT,
};
/**
* Holds the double-buffered output state.
*/
struct wlr_output_state {
uint32_t committed; // enum wlr_output_state_field
pixman_region32_t damage; // output-buffer-local coordinates
// only valid if WLR_OUTPUT_STATE_BUFFER
enum wlr_output_state_buffer_type buffer_type;
struct wlr_buffer *buffer; // if WLR_OUTPUT_STATE_BUFFER_SCANOUT
};
struct wlr_output_impl;

15
types/wlr_output.c
View file

@ -404,6 +404,7 @@ bool wlr_output_attach_render(struct wlr_output *output, int *buffer_age) {
}
output->pending.committed |= WLR_OUTPUT_STATE_BUFFER;
output->pending.buffer_type = WLR_OUTPUT_STATE_BUFFER_RENDER;
return true;
}
@ -480,15 +481,6 @@ bool wlr_output_commit(struct wlr_output *output) {
bool wlr_output_attach_buffer(struct wlr_output *output,
struct wlr_buffer *buffer) {
if (output->frame_pending) {
wlr_log(WLR_ERROR, "Tried to swap buffers when a frame is pending");
return false;
}
if (output->idle_frame != NULL) {
wl_event_source_remove(output->idle_frame);
output->idle_frame = NULL;
}
if (!output->impl->attach_buffer) {
return false;
}
@ -496,9 +488,8 @@ bool wlr_output_attach_buffer(struct wlr_output *output,
return false;
}
output->frame_pending = true;
output->needs_frame = false;
pixman_region32_clear(&output->damage);
output->pending.committed |= WLR_OUTPUT_STATE_BUFFER;
output->pending.buffer_type = WLR_OUTPUT_STATE_BUFFER_SCANOUT;
return true;
}