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Merge pull request #1509 from emersion/gbm-fmt-mismatch

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backend/drm: fix GBM format mismatch
This commit is contained in:
Drew DeVault 2019-01-29 10:39:54 -05:00 committed by GitHub
commit feb1b9b1cb
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 46 additions and 15 deletions
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3
backend/drm/atomic.c
View file

@ -172,7 +172,8 @@ static bool atomic_crtc_set_cursor(struct wlr_drm_backend *drm,
atomic_begin(crtc, &atom);
if (bo) {
set_plane_props(&atom, plane, crtc->id, get_fb_for_bo(bo), false);
uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
set_plane_props(&atom, plane, crtc->id, fb_id, false);
} else {
atomic_add(&atom, plane->id, plane->props.fb_id, 0);
atomic_add(&atom, plane->id, plane->props.crtc_id, 0);

36
backend/drm/drm.c
View file

@ -1,5 +1,6 @@
#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <drm_fourcc.h>
#include <drm_mode.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
@ -109,8 +110,8 @@ static bool init_planes(struct wlr_drm_backend *drm) {
p->id = plane->plane_id;
p->possible_crtcs = plane->possible_crtcs;
uint64_t type;
uint64_t type;
if (!get_drm_plane_props(drm->fd, p->id, &p->props) ||
!get_drm_prop(drm->fd, p->id, p->props.type, &type)) {
drmModeFreePlane(plane);
@ -120,6 +121,25 @@ static bool init_planes(struct wlr_drm_backend *drm) {
p->type = type;
drm->num_type_planes[type]++;
// Choose an RGB format for the plane
uint32_t rgb_format = DRM_FORMAT_INVALID;
for (size_t j = 0; j < plane->count_formats; ++j) {
uint32_t fmt = plane->formats[j];
if (fmt == DRM_FORMAT_ARGB8888) {
// Prefer formats with alpha channel
rgb_format = fmt;
break;
} else if (fmt == DRM_FORMAT_XRGB8888) {
rgb_format = fmt;
}
}
if (rgb_format == DRM_FORMAT_INVALID) {
wlr_log(WLR_ERROR, "Failed to find an RGB format for plane %zu", i);
drmModeFreePlane(plane);
goto error_planes;
}
p->drm_format = rgb_format;
drmModeFreePlane(plane);
}
@ -247,7 +267,7 @@ static bool drm_connector_swap_buffers(struct wlr_output *output,
if (drm->parent) {
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
}
uint32_t fb_id = get_fb_for_bo(bo);
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);
@ -366,7 +386,7 @@ static void drm_connector_start_renderer(struct wlr_drm_connector *conn) {
struct gbm_bo *bo = get_drm_surface_front(
drm->parent ? &plane->mgpu_surf : &plane->surf);
uint32_t fb_id = get_fb_for_bo(bo);
uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
struct wlr_drm_mode *mode = (struct wlr_drm_mode *)conn->output.current_mode;
if (drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, &mode->drm_mode)) {
@ -528,7 +548,7 @@ static bool drm_connector_set_mode(struct wlr_output *output,
conn->output.name, mode->width, mode->height, mode->refresh);
if (!init_drm_plane_surfaces(conn->crtc->primary, drm,
mode->width, mode->height, GBM_FORMAT_XRGB8888)) {
mode->width, mode->height, drm->renderer.gbm_format)) {
wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
return false;
}
@ -622,13 +642,13 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
drm->parent ? &drm->parent->renderer : &drm->renderer;
if (!init_drm_surface(&plane->surf, renderer, w, h,
GBM_FORMAT_ARGB8888, 0)) {
renderer->gbm_format, 0)) {
wlr_log(WLR_ERROR, "Cannot allocate cursor resources");
return false;
}
plane->cursor_bo = gbm_bo_create(drm->renderer.gbm, w, h,
GBM_FORMAT_ARGB8888, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
renderer->gbm_format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
if (!plane->cursor_bo) {
wlr_log_errno(WLR_ERROR, "Failed to create cursor bo");
return false;
@ -785,7 +805,6 @@ static bool drm_connector_schedule_frame(struct wlr_output *output) {
if (drm->parent) {
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
}
uint32_t fb_id = get_fb_for_bo(bo);
if (conn->pageflip_pending) {
wlr_log(WLR_ERROR, "Skipping pageflip on output '%s'",
@ -793,6 +812,7 @@ static bool drm_connector_schedule_frame(struct wlr_output *output) {
return true;
}
uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
if (!drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
return false;
}
@ -998,7 +1018,7 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs) {
}
if (!init_drm_plane_surfaces(conn->crtc->primary, drm,
mode->width, mode->height, GBM_FORMAT_XRGB8888)) {
mode->width, mode->height, drm->renderer.gbm_format)) {
wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
drm_connector_cleanup(conn);
break;

4
backend/drm/renderer.c
View file

@ -38,10 +38,10 @@ bool init_drm_renderer(struct wlr_drm_backend *drm,
EGL_NONE,
};
renderer->gbm_format = GBM_FORMAT_ARGB8888;
renderer->wlr_rend = create_renderer_func(&renderer->egl,
EGL_PLATFORM_GBM_MESA, renderer->gbm,
config_attribs, GBM_FORMAT_ARGB8888);
config_attribs, renderer->gbm_format);
if (!renderer->wlr_rend) {
wlr_log(WLR_ERROR, "Failed to create EGL/WLR renderer");
goto error_gbm;

12
backend/drm/util.c
View file

@ -1,3 +1,5 @@
#include <assert.h>
#include <drm_fourcc.h>
#include <drm_mode.h>
#include <drm.h>
#include <gbm.h>
@ -176,12 +178,16 @@ static void free_fb(struct gbm_bo *bo, void *data) {
}
}
uint32_t get_fb_for_bo(struct gbm_bo *bo) {
uint32_t get_fb_for_bo(struct gbm_bo *bo, uint32_t drm_format) {
uint32_t id = (uintptr_t)gbm_bo_get_user_data(bo);
if (id) {
return id;
}
assert(gbm_bo_get_format(bo) == GBM_FORMAT_ARGB8888);
assert(drm_format == DRM_FORMAT_ARGB8888 ||
drm_format == DRM_FORMAT_XRGB8888);
struct gbm_device *gbm = gbm_bo_get_device(bo);
int fd = gbm_device_get_fd(gbm);
@ -190,9 +196,9 @@ uint32_t get_fb_for_bo(struct gbm_bo *bo) {
uint32_t handles[4] = {gbm_bo_get_handle(bo).u32};
uint32_t pitches[4] = {gbm_bo_get_stride(bo)};
uint32_t offsets[4] = {gbm_bo_get_offset(bo, 0)};
uint32_t format = gbm_bo_get_format(bo);
if (drmModeAddFB2(fd, width, height, format, handles, pitches, offsets, &id, 0)) {
if (drmModeAddFB2(fd, width, height, drm_format,
handles, pitches, offsets, &id, 0)) {
wlr_log_errno(WLR_ERROR, "Unable to add DRM framebuffer");
}

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

@ -26,6 +26,8 @@ struct wlr_drm_plane {
struct wlr_drm_surface surf;
struct wlr_drm_surface mgpu_surf;
uint32_t drm_format; // ARGB8888 or XRGB8888
// Only used by cursor
float matrix[9];
struct gbm_bo *cursor_bo;

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

@ -16,6 +16,8 @@ struct wlr_drm_renderer {
struct gbm_device *gbm;
struct wlr_egl egl;
uint32_t gbm_format;
struct wlr_renderer *wlr_rend;
};

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

@ -14,7 +14,7 @@ void parse_edid(struct wlr_output *restrict output, size_t len,
// Returns the string representation of a DRM output type
const char *conn_get_name(uint32_t type_id);
// Returns the DRM framebuffer id for a gbm_bo
uint32_t get_fb_for_bo(struct gbm_bo *bo);
uint32_t get_fb_for_bo(struct gbm_bo *bo, uint32_t drm_format);
// Part of match_obj
enum {