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compositor-drm: Only call drmModeMoveCursor() if hw cursor position changed

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Saves an ioctl per frame.
This commit is contained in:
Kristian Høgsberg
2012-07-18 12:08:37 -04:00
parent f1ea63ff05
commit 24e4275c30
1 changed files with 11 additions and 7 deletions
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src/compositor-drm.c
+11 -7
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@@ -108,7 +108,7 @@ struct drm_output {
struct gbm_surface *surface;
struct gbm_bo *cursor_bo[2];
int current_cursor, cursor_free;
int current_cursor, cursor_free, cursor_x, cursor_y;
EGLSurface egl_surface;
struct drm_fb *current, *next;
struct backlight *backlight;
@@ -675,7 +675,7 @@ drm_output_set_cursor(struct weston_output *output_base,
struct gbm_bo *bo;
uint32_t buf[64 * 64];
unsigned char *s;
int i;
int i, x, y;
if (!output->cursor_free)
return;
@@ -702,11 +702,15 @@ drm_output_set_cursor(struct weston_output *output_base,
return;
}
if (drmModeMoveCursor(c->drm.fd, output->crtc_id,
es->geometry.x - output->base.x,
es->geometry.y - output->base.y)) {
weston_log("failed to move cursor: %m\n");
return;
x = es->geometry.x - output->base.x;
y = es->geometry.y - output->base.y;
if (output->cursor_x != x || output->cursor_y != y) {
if (drmModeMoveCursor(c->drm.fd, output->crtc_id, x, y)) {
weston_log("failed to move cursor: %m\n");
return;
}
output->cursor_x = x;
output->cursor_y = y;
}
es->plane = WESTON_PLANE_DRM_CURSOR;