[RFC weston 11/16] compositor: Remove weston_transformed_region

Derek Foreman derekf at osg.samsung.com
Fri Sep 26 14:10:22 PDT 2014


Replace all uses of weston_transform_region with
weston_matrix_transform_region, then remove the function completely.
---
 src/compositor-wayland.c |  8 ++---
 src/compositor-x11.c     |  8 +----
 src/compositor.c         | 92 ------------------------------------------------
 src/compositor.h         |  6 ----
 src/gl-renderer.c        | 11 +++---
 src/pixman-renderer.c    | 10 +-----
 src/screen-share.c       |  8 ++---
 src/screenshooter.c      |  7 ++--
 8 files changed, 19 insertions(+), 131 deletions(-)

diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c
index 5f73c78..800f229 100644
--- a/src/compositor-wayland.c
+++ b/src/compositor-wayland.c
@@ -497,11 +497,9 @@ wayland_shm_buffer_attach(struct wayland_shm_buffer *sb)
 	int i, n;
 
 	pixman_region32_init(&damage);
-	weston_transformed_region(sb->output->base.width,
-				  sb->output->base.height,
-				  sb->output->base.transform,
-				  sb->output->base.current_scale,
-				  &sb->damage, &damage);
+	pixman_region32_copy(&damage, &sb->damage);
+	pixman_region32_translate(&damage, sb->output->base.x, sb->output->base.y);
+	weston_matrix_transform_region(&damage, &sb->output->base.matrix, &damage);
 
 	if (sb->output->frame) {
 		frame_interior(sb->output->frame, &ix, &iy, &iwidth, &iheight);
diff --git a/src/compositor-x11.c b/src/compositor-x11.c
index b602bc9..02eba19 100644
--- a/src/compositor-x11.c
+++ b/src/compositor-x11.c
@@ -376,13 +376,7 @@ set_clip_for_output(struct weston_output *output_base, pixman_region32_t *region
 	xcb_generic_error_t *err;
 
 	pixman_region32_init(&transformed_region);
-	pixman_region32_copy(&transformed_region, region);
-	pixman_region32_translate(&transformed_region,
-				  -output_base->x, -output_base->y);
-	weston_transformed_region(output_base->width, output_base->height,
-				  output_base->transform,
-				  output_base->current_scale,
-				  &transformed_region, &transformed_region);
+	weston_matrix_transform_region(&transformed_region, &output_base->matrix, region);
 
 	rects = pixman_region32_rectangles(&transformed_region, &nrects);
 	output_rects = calloc(nrects, sizeof(xcb_rectangle_t));
diff --git a/src/compositor.c b/src/compositor.c
index 9bab962..bc1b733 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -727,98 +727,6 @@ weston_matrix_transform_region(pixman_region32_t *dest,
 }
 
 WL_EXPORT void
-weston_transformed_region(int width, int height,
-			  enum wl_output_transform transform,
-			  int32_t scale,
-			  pixman_region32_t *src, pixman_region32_t *dest)
-{
-	pixman_box32_t *src_rects, *dest_rects;
-	int nrects, i;
-
-	if (transform == WL_OUTPUT_TRANSFORM_NORMAL && scale == 1) {
-		if (src != dest)
-			pixman_region32_copy(dest, src);
-		return;
-	}
-
-	src_rects = pixman_region32_rectangles(src, &nrects);
-	dest_rects = malloc(nrects * sizeof(*dest_rects));
-	if (!dest_rects)
-		return;
-
-	if (transform == WL_OUTPUT_TRANSFORM_NORMAL) {
-		memcpy(dest_rects, src_rects, nrects * sizeof(*dest_rects));
-	} else {
-		for (i = 0; i < nrects; i++) {
-			switch (transform) {
-			default:
-			case WL_OUTPUT_TRANSFORM_NORMAL:
-				dest_rects[i].x1 = src_rects[i].x1;
-				dest_rects[i].y1 = src_rects[i].y1;
-				dest_rects[i].x2 = src_rects[i].x2;
-				dest_rects[i].y2 = src_rects[i].y2;
-				break;
-			case WL_OUTPUT_TRANSFORM_90:
-				dest_rects[i].x1 = height - src_rects[i].y2;
-				dest_rects[i].y1 = src_rects[i].x1;
-				dest_rects[i].x2 = height - src_rects[i].y1;
-				dest_rects[i].y2 = src_rects[i].x2;
-				break;
-			case WL_OUTPUT_TRANSFORM_180:
-				dest_rects[i].x1 = width - src_rects[i].x2;
-				dest_rects[i].y1 = height - src_rects[i].y2;
-				dest_rects[i].x2 = width - src_rects[i].x1;
-				dest_rects[i].y2 = height - src_rects[i].y1;
-				break;
-			case WL_OUTPUT_TRANSFORM_270:
-				dest_rects[i].x1 = src_rects[i].y1;
-				dest_rects[i].y1 = width - src_rects[i].x2;
-				dest_rects[i].x2 = src_rects[i].y2;
-				dest_rects[i].y2 = width - src_rects[i].x1;
-				break;
-			case WL_OUTPUT_TRANSFORM_FLIPPED:
-				dest_rects[i].x1 = width - src_rects[i].x2;
-				dest_rects[i].y1 = src_rects[i].y1;
-				dest_rects[i].x2 = width - src_rects[i].x1;
-				dest_rects[i].y2 = src_rects[i].y2;
-				break;
-			case WL_OUTPUT_TRANSFORM_FLIPPED_90:
-				dest_rects[i].x1 = height - src_rects[i].y2;
-				dest_rects[i].y1 = width - src_rects[i].x2;
-				dest_rects[i].x2 = height - src_rects[i].y1;
-				dest_rects[i].y2 = width - src_rects[i].x1;
-				break;
-			case WL_OUTPUT_TRANSFORM_FLIPPED_180:
-				dest_rects[i].x1 = src_rects[i].x1;
-				dest_rects[i].y1 = height - src_rects[i].y2;
-				dest_rects[i].x2 = src_rects[i].x2;
-				dest_rects[i].y2 = height - src_rects[i].y1;
-				break;
-			case WL_OUTPUT_TRANSFORM_FLIPPED_270:
-				dest_rects[i].x1 = src_rects[i].y1;
-				dest_rects[i].y1 = src_rects[i].x1;
-				dest_rects[i].x2 = src_rects[i].y2;
-				dest_rects[i].y2 = src_rects[i].x2;
-				break;
-			}
-		}
-	}
-
-	if (scale != 1) {
-		for (i = 0; i < nrects; i++) {
-			dest_rects[i].x1 *= scale;
-			dest_rects[i].x2 *= scale;
-			dest_rects[i].y1 *= scale;
-			dest_rects[i].y2 *= scale;
-		}
-	}
-
-	pixman_region32_clear(dest);
-	pixman_region32_init_rects(dest, dest_rects, nrects);
-	free(dest_rects);
-}
-
-WL_EXPORT void
 weston_surface_to_buffer_float(struct weston_surface *surface,
 			       float sx, float sy, float *bx, float *by)
 {
diff --git a/src/compositor.h b/src/compositor.h
index 6c1c174..2fc42ec 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -1440,12 +1440,6 @@ void
 weston_matrix_transform_region(pixman_region32_t *dest,
                                struct weston_matrix *matrix,
                                pixman_region32_t *src);
-void
-weston_transformed_region(int width, int height,
-			  enum wl_output_transform transform,
-			  int32_t scale,
-			  pixman_region32_t *src, pixman_region32_t *dest);
-
 void *
 weston_load_module(const char *name, const char *entrypoint);
 
diff --git a/src/gl-renderer.c b/src/gl-renderer.c
index fd035a8..f3aeff2 100644
--- a/src/gl-renderer.c
+++ b/src/gl-renderer.c
@@ -927,10 +927,13 @@ gl_renderer_repaint_output(struct weston_output *output,
 #ifdef EGL_EXT_swap_buffers_with_damage
 	if (gr->swap_buffers_with_damage) {
 		pixman_region32_init(&buffer_damage);
-		weston_transformed_region(output->width, output->height,
-					  output->transform,
-					  output->current_scale,
-					  output_damage, &buffer_damage);
+		pixman_region32_copy(&buffer_damage, output_damage);
+		pixman_region32_translate(&buffer_damage,
+					  output->x,
+					  output->y);
+		weston_matrix_transform_region(&buffer_damage,
+					       &output->matrix,
+					       &buffer_damage);
 
 		if (output_has_borders(output)) {
 			pixman_region32_translate(&buffer_damage,
diff --git a/src/pixman-renderer.c b/src/pixman-renderer.c
index 9494142..2f54a64 100644
--- a/src/pixman-renderer.c
+++ b/src/pixman-renderer.c
@@ -130,15 +130,7 @@ pixman_renderer_read_pixels(struct weston_output *output,
 static void
 region_global_to_output(struct weston_output *output, pixman_region32_t *region)
 {
-	if (output->zoom.active) {
-		weston_matrix_transform_region(region, &output->matrix, region);
-	} else {
-		pixman_region32_translate(region, -output->x, -output->y);
-		weston_transformed_region(output->width, output->height,
-					  output->transform,
-					  output->current_scale,
-					  region, region);
-	}
+	weston_matrix_transform_region(region, &output->matrix, region);
 }
 
 #define D2F(v) pixman_double_to_fixed((double)v)
diff --git a/src/screen-share.c b/src/screen-share.c
index 524a0ca..ceb970c 100644
--- a/src/screen-share.c
+++ b/src/screen-share.c
@@ -790,11 +790,11 @@ shared_output_repainted(struct wl_listener *listener, void *data)
 	wl_list_for_each(sb, &so->shm.buffers, link)
 		pixman_region32_union(&sb->damage, &sb->damage, &damage);
 
+	/* put it back... */
+	pixman_region32_translate(&damage, so->output->x, so->output->y);
+
 	/* Transform to buffer coordinates */
-	weston_transformed_region(so->output->width, so->output->height,
-				  so->output->transform,
-				  so->output->current_scale,
-				  &damage, &damage);
+	weston_matrix_transform_region(&damage, &so->output->matrix, &damage);
 
 	width = so->output->current_mode->width;
 	height = so->output->current_mode->height;
diff --git a/src/screenshooter.c b/src/screenshooter.c
index cafbf10..469f19b 100644
--- a/src/screenshooter.c
+++ b/src/screenshooter.c
@@ -379,10 +379,9 @@ weston_recorder_frame_notify(struct wl_listener *listener, void *data)
 	pixman_region32_init(&transformed_damage);
 	pixman_region32_intersect(&damage, &output->region,
 				  &output->previous_damage);
-	pixman_region32_translate(&damage, -output->x, -output->y);
-	weston_transformed_region(output->width, output->height,
-				 output->transform, output->current_scale,
-				 &damage, &transformed_damage);
+	weston_matrix_transform_region(&transformed_damage,
+				       &output->matrix,
+				       &damage);
 	pixman_region32_fini(&damage);
 
 	r = pixman_region32_rectangles(&transformed_damage, &n);
-- 
2.1.0



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