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backend/drm: refactor wlr_drm_connector_set_cursor

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This commit is contained in:
emersion 2018-03-11 11:40:03 +01:00
parent 8e3d294d6a
commit 92ca4ad474
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GPG key ID: 0FDE7BE0E88F5E48
1 changed files with 43 additions and 51 deletions
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94
backend/drm/drm.c
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@ -544,10 +544,10 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
if (!crtc) {
return false;
}
struct wlr_drm_plane *plane = crtc->cursor;
// We don't have a real cursor plane, so we make a fake one
struct wlr_drm_plane *plane = crtc->cursor;
if (!plane) {
// We don't have a real cursor plane, so we make a fake one
plane = calloc(1, sizeof(*plane));
if (!plane) {
wlr_log_errno(L_ERROR, "Allocation failed");
@ -556,16 +556,6 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
crtc->cursor = plane;
}
if (!buf && update_pixels) {
// Hide the cursor
plane->cursor_enabled = false;
if (!drm->session->active) {
return true;
}
return drm->iface->crtc_set_cursor(drm, crtc, NULL);
}
plane->cursor_enabled = true;
if (!plane->surf.gbm) {
int ret;
uint64_t w, h;
@ -607,10 +597,7 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
}
}
struct wlr_box hotspot = {
.x = hotspot_x,
.y = hotspot_y,
};
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_box_transform(&hotspot, transform,
@ -620,49 +607,54 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
if (!update_pixels) {
// Only update the cursor hotspot
wlr_output_update_needs_swap(output);
return true;
}
struct gbm_bo *bo = plane->cursor_bo;
uint32_t bo_width = gbm_bo_get_width(bo);
uint32_t bo_height = gbm_bo_get_height(bo);
uint32_t bo_stride;
void *bo_data;
plane->cursor_enabled = buf != NULL;
if (!gbm_bo_map(bo, 0, 0, bo_width, bo_height,
GBM_BO_TRANSFER_WRITE, &bo_stride, &bo_data)) {
wlr_log_errno(L_ERROR, "Unable to map buffer");
return false;
if (buf != NULL) {
uint32_t bo_width = gbm_bo_get_width(plane->cursor_bo);
uint32_t bo_height = gbm_bo_get_height(plane->cursor_bo);
uint32_t bo_stride;
void *bo_data;
if (!gbm_bo_map(plane->cursor_bo, 0, 0, bo_width, bo_height,
GBM_BO_TRANSFER_WRITE, &bo_stride, &bo_data)) {
wlr_log_errno(L_ERROR, "Unable to map buffer");
return false;
}
wlr_drm_surface_make_current(&plane->surf, NULL);
wlr_texture_upload_pixels(plane->wlr_tex, WL_SHM_FORMAT_ARGB8888,
stride, width, height, buf);
glViewport(0, 0, plane->surf.width, plane->surf.height);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
float matrix[16];
wlr_texture_get_matrix(plane->wlr_tex, &matrix, &plane->matrix, 0, 0);
wlr_render_with_matrix(plane->surf.renderer->wlr_rend, plane->wlr_tex,
&matrix, 1.0f);
glFinish();
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);
glReadPixels(0, 0, plane->surf.width, plane->surf.height, GL_BGRA_EXT,
GL_UNSIGNED_BYTE, bo_data);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
wlr_drm_surface_swap_buffers(&plane->surf, NULL);
gbm_bo_unmap(plane->cursor_bo, bo_data);
}
wlr_drm_surface_make_current(&plane->surf, NULL);
wlr_texture_upload_pixels(plane->wlr_tex, WL_SHM_FORMAT_ARGB8888,
stride, width, height, buf);
glViewport(0, 0, plane->surf.width, plane->surf.height);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
float matrix[16];
wlr_texture_get_matrix(plane->wlr_tex, &matrix, &plane->matrix, 0, 0);
wlr_render_with_matrix(plane->surf.renderer->wlr_rend, plane->wlr_tex,
&matrix, 1.0f);
glFinish();
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);
glReadPixels(0, 0, plane->surf.width, plane->surf.height, GL_BGRA_EXT,
GL_UNSIGNED_BYTE, bo_data);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
wlr_drm_surface_swap_buffers(&plane->surf, NULL);
gbm_bo_unmap(bo, bo_data);
if (!drm->session->active) {
return true;
return true; // will be committed when session is resumed
}
struct gbm_bo *bo = plane->cursor_enabled ? plane->cursor_bo : NULL;
bool ok = drm->iface->crtc_set_cursor(drm, crtc, bo);
if (ok) {
wlr_output_update_needs_swap(output);
@ -697,7 +689,7 @@ static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
conn->cursor_y = box.y;
if (!drm->session->active) {
return true;
return true; // will be committed when session is resumed
}
bool ok = drm->iface->crtc_move_cursor(drm, conn->crtc, box.x, box.y);