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Fix cursor hotspot with rotated outputs on DRM backend

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This commit is contained in:
emersion 2017-10-29 18:45:53 +01:00
parent 4230a577cc
commit c3b09f73da
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GPG key ID: 0FDE7BE0E88F5E48
4 changed files with 44 additions and 55 deletions
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58
types/wlr_output.c
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@ -237,44 +237,6 @@ void wlr_output_make_current(struct wlr_output *output) {
output->impl->make_current(output);
}
static void output_cursor_get_effective_hotspot(
struct wlr_output_cursor *cursor, int32_t *hotspot_x,
int32_t *hotspot_y) {
switch (cursor->output->transform) {
case WL_OUTPUT_TRANSFORM_90:
*hotspot_x = cursor->hotspot_x;
*hotspot_y = -cursor->height + cursor->hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_180:
*hotspot_x = cursor->width - cursor->hotspot_x;
*hotspot_y = cursor->height - cursor->hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_270:
*hotspot_x = -cursor->height + cursor->hotspot_x;
*hotspot_y = cursor->hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
*hotspot_x = cursor->width - cursor->hotspot_x;
*hotspot_y = cursor->hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
*hotspot_x = cursor->hotspot_x;
*hotspot_y = -cursor->hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
*hotspot_x = cursor->hotspot_x;
*hotspot_y = cursor->height - cursor->hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
*hotspot_x = -cursor->height + cursor->hotspot_x;
*hotspot_y = cursor->width - cursor->hotspot_y;
break;
default: // WL_OUTPUT_TRANSFORM_NORMAL
*hotspot_x = cursor->hotspot_x;
*hotspot_y = cursor->hotspot_y;
}
}
static void output_cursor_render(struct wlr_output_cursor *cursor) {
struct wlr_texture *texture = cursor->texture;
struct wlr_renderer *renderer = cursor->renderer;
@ -290,13 +252,10 @@ static void output_cursor_render(struct wlr_output_cursor *cursor) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
int32_t hotspot_x, hotspot_y;
output_cursor_get_effective_hotspot(cursor, &hotspot_x, &hotspot_y);
float matrix[16];
wlr_texture_get_matrix(texture, &matrix,
&cursor->output->transform_matrix, cursor->x - hotspot_x,
cursor->y - hotspot_y);
&cursor->output->transform_matrix, cursor->x - cursor->hotspot_x,
cursor->y - cursor->hotspot_y);
wlr_render_with_matrix(renderer, texture, &matrix);
}
}
@ -349,14 +308,8 @@ bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
if (cursor->output->hardware_cursor == NULL &&
cursor->output->impl->set_cursor) {
int32_t hotspot_eff_x, hotspot_eff_y;
output_cursor_get_effective_hotspot(cursor, &hotspot_eff_x,
&hotspot_eff_y);
// TODO: also transform pixels with output->transform before calling
// set_cursor
int ok = cursor->output->impl->set_cursor(cursor->output, pixels,
stride, width, height, hotspot_eff_x, hotspot_eff_y, true);
stride, width, height, hotspot_x, hotspot_y, true);
if (ok) {
cursor->output->hardware_cursor = cursor;
return true;
@ -438,11 +391,8 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
cursor->output->impl->set_cursor) {
// If the surface hasn't changed and it's an hardware cursor, only
// update the hotspot
int32_t hotspot_eff_x, hotspot_eff_y;
output_cursor_get_effective_hotspot(cursor, &hotspot_eff_x,
&hotspot_eff_y);
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0,
hotspot_eff_x, hotspot_eff_y, false);
hotspot_x, hotspot_y, false);
}
return;
}