render: Nuke old read pixels API

Sadly, the new API is not backwards compatible with the old API. Since
we have already switched all users in wlroots to the new API compositors
are already practically mandated to implement the new API. Let's get rid
of the old one since there is no point.

1 files changed, 0 insertions, 41 deletions

diff --git a/render/pixman/renderer.c b/render/pixman/renderer.c
index 13049e8f..398a661b 100644
--- a/render/pixman/renderer.c
+++ b/render/pixman/renderer.c
@@ -335,45 +335,6 @@ static void pixman_destroy(struct wlr_renderer *wlr_renderer) {
 	free(renderer);
 }
 
-static uint32_t pixman_preferred_read_format(
-		struct wlr_renderer *wlr_renderer) {
-	struct wlr_pixman_renderer *renderer = get_renderer(wlr_renderer);
-	struct wlr_pixman_buffer *buffer = renderer->current_buffer;
-
-	pixman_format_code_t pixman_format = pixman_image_get_format(
-			buffer->image);
-
-	return get_drm_format_from_pixman(pixman_format);
-}
-
-static bool pixman_read_pixels(struct wlr_renderer *wlr_renderer,
-		uint32_t drm_format, uint32_t stride,
-		uint32_t width, uint32_t height, uint32_t src_x, uint32_t src_y,
-		uint32_t dst_x, uint32_t dst_y, void *data) {
-	struct wlr_pixman_renderer *renderer = get_renderer(wlr_renderer);
-	struct wlr_pixman_buffer *buffer = renderer->current_buffer;
-
-	pixman_format_code_t fmt = get_pixman_format_from_drm(drm_format);
-	if (fmt == 0) {
-		wlr_log(WLR_ERROR, "Cannot read pixels: unsupported pixel format");
-		return false;
-	}
-
-	const struct wlr_pixel_format_info *drm_fmt =
-		drm_get_pixel_format_info(drm_format);
-	assert(drm_fmt);
-
-	pixman_image_t *dst = pixman_image_create_bits_no_clear(fmt, width, height,
-			data, stride);
-
-	pixman_image_composite32(PIXMAN_OP_SRC, buffer->image, NULL, dst,
-			src_x, src_y, 0, 0, dst_x, dst_y, width, height);
-
-	pixman_image_unref(dst);
-
-	return true;
-}
-
 static uint32_t pixman_get_render_buffer_caps(struct wlr_renderer *renderer) {
 	return WLR_BUFFER_CAP_DATA_PTR;
 }
@@ -405,8 +366,6 @@ static const struct wlr_renderer_impl renderer_impl = {
 	.texture_from_buffer = pixman_texture_from_buffer,
 	.bind_buffer = pixman_bind_buffer,
 	.destroy = pixman_destroy,
-	.preferred_read_format = pixman_preferred_read_format,
-	.read_pixels = pixman_read_pixels,
 	.get_render_buffer_caps = pixman_get_render_buffer_caps,
 	.begin_buffer_pass = pixman_begin_buffer_pass,
 };