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Add (broken) DRM hardware cursors

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This commit is contained in:
Drew DeVault 2017-06-16 15:38:34 -04:00
parent def3d7c64f
commit 7e038a6110
9 changed files with 2739 additions and 1755 deletions
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71
backend/drm/drm.c
View file

@ -112,8 +112,8 @@ static void wlr_drm_output_end(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
output->pageflip_pending = true;
output->bo_last = output->bo_current;
output->bo_current = bo;
output->bo[1] = output->bo[0];
output->bo[0] = bo;
}
void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
@ -141,8 +141,8 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id,
DRM_MODE_PAGE_FLIP_EVENT, output);
output->bo_last = NULL;
output->bo_current = bo;
output->bo[1] = NULL;
output->bo[0] = bo;
}
static bool display_init_renderer(struct wlr_drm_renderer *renderer,
@ -280,6 +280,59 @@ static void wlr_drm_output_transform(struct wlr_output_state *output,
output->wlr_output->transform = transform;
}
static void wlr_drm_cursor_bo_update(struct wlr_output_state *output,
uint32_t width, uint32_t height) {
if (output->cursor_width == width && output->cursor_height == height) {
return;
}
wlr_log(L_DEBUG, "Allocating new cursor bos");
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
for (size_t i = 0; i < 2; ++i) {
output->cursor_bo[i] = gbm_bo_create(state->renderer.gbm,
width, height, GBM_FORMAT_ARGB8888,
GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
if (!output->cursor_bo[i]) {
wlr_log(L_ERROR, "Failed to create cursor bo");
return;
}
}
}
static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
if (!buf) {
drmModeSetCursor(state->fd, output->crtc, 0, 0, 0);
return true;
}
wlr_drm_cursor_bo_update(output, width, height);
struct gbm_bo *bo;
output->current_cursor ^= 1;
bo = output->cursor_bo[output->current_cursor];
uint32_t _buf[width * height];
memset(_buf, 0, sizeof(_buf));
for (size_t i = 0; i < height; ++i) {
memcpy(_buf + i * width,
buf + i * stride,
width * 4);
}
if (gbm_bo_write(bo, _buf, sizeof(_buf)) < 0) {
wlr_log(L_ERROR, "Failed to write cursor to bo");
return false;
}
return !drmModeSetCursor(state->fd, output->crtc,
gbm_bo_get_handle(bo).s32, width, height);
}
static bool wlr_drm_output_move_cursor(struct wlr_output_state *output,
int x, int y) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
return !drmModeMoveCursor(state->fd, output->crtc, x, y);
}
static void wlr_drm_output_destroy(struct wlr_output_state *output) {
wlr_drm_output_cleanup(output, true);
free(output);
@ -289,6 +342,8 @@ static struct wlr_output_impl output_impl = {
.enable = wlr_drm_output_enable,
.set_mode = wlr_drm_output_set_mode,
.transform = wlr_drm_output_transform,
.set_cursor = wlr_drm_output_set_cursor,
.move_cursor = wlr_drm_output_move_cursor,
.destroy = wlr_drm_output_destroy,
};
@ -480,8 +535,6 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) {
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_NONE;
break;
}
strcpy(wlr_output->make, "drm");
strcpy(wlr_output->model, "unknown");
drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id);
if (curr_enc) {
@ -544,9 +597,9 @@ static void page_flip_handler(int fd, unsigned seq,
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
if (output->bo_last) {
gbm_surface_release_buffer(output->gbm, output->bo_last);
output->bo_last = NULL;
if (output->bo[1]) {
gbm_surface_release_buffer(output->gbm, output->bo[1]);
output->bo[1] = NULL;
}
output->pageflip_pending = false;

4381
example/cat.c
View file

File diff suppressed because it is too large Load diff

15
example/pointer.c
View file

@ -92,6 +92,18 @@ static void handle_pointer_axis(struct pointer_state *pstate,
sizeof(sample->clear_color));
}
static void handle_output_add(struct output_state *ostate) {
struct wlr_output *wlr_output = ostate->output;
if (!wlr_output_set_cursor(wlr_output, cat_tex.pixel_data,
cat_tex.width * 4, cat_tex.width, cat_tex.height)) {
fprintf(stderr, "Failed to set cursor\n");
return;
}
if (!wlr_output_move_cursor(wlr_output, 0, 0)) {
fprintf(stderr, "Failed to move cursor\n");
}
}
int main(int argc, char *argv[]) {
struct sample_state state = {
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
@ -100,6 +112,7 @@ int main(int argc, char *argv[]) {
struct compositor_state compositor;
compositor_init(&compositor);
compositor.output_add_cb = handle_output_add;
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor.pointer_motion_cb = handle_pointer_motion;
@ -108,7 +121,7 @@ int main(int argc, char *argv[]) {
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGB,
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
compositor.data = &state;

2
example/rotation.c
View file

@ -205,7 +205,7 @@ int main(int argc, char *argv[]) {
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGB,
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
compositor.data = &state;

2
example/touch.c
View file

@ -111,7 +111,7 @@ int main(int argc, char *argv[]) {
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGB,
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
compositor.data = &state;

8
include/backend/drm.h
View file

@ -73,10 +73,12 @@ struct wlr_output_state {
drmModeCrtc *old_crtc;
struct wlr_drm_renderer *renderer;
struct gbm_surface *gbm;
struct gbm_bo *bo_last;
struct gbm_bo *bo_current;
EGLSurface *egl;
struct gbm_surface *gbm;
struct gbm_bo *bo[2];
struct gbm_bo *cursor_bo[2];
int current_cursor;
uint32_t cursor_width, cursor_height;
bool pageflip_pending;
bool cleanup;

3
include/types.h
View file

@ -11,6 +11,9 @@ struct wlr_output_impl {
struct wlr_output_mode *mode);
void (*transform)(struct wlr_output_state *state,
enum wl_output_transform transform);
bool (*set_cursor)(struct wlr_output_state *state,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
bool (*move_cursor)(struct wlr_output_state *state, int x, int y);
void (*destroy)(struct wlr_output_state *state);
};

3
include/wlr/types.h
View file

@ -46,6 +46,9 @@ bool wlr_output_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode);
void wlr_output_transform(struct wlr_output *output,
enum wl_output_transform transform);
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
void wlr_output_destroy(struct wlr_output *output);
void wlr_output_effective_resolution(struct wlr_output *output,
int *width, int *height);

9
types/wlr_output.c
View file

@ -91,6 +91,15 @@ void wlr_output_transform(struct wlr_output *output,
output->impl->transform(output->state, transform);
}
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
return output->impl->set_cursor(output->state, buf, stride, width, height);
}
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) {
return output->impl->move_cursor(output->state, x, y);
}
void wlr_output_destroy(struct wlr_output *output) {
if (!output) return;
output->impl->destroy(output->state);