wlr_texture: Expose owning renderer

include/wlr/render/interface.h

@@ -59,7 +59,7 @@ struct wlr_texture_impl {
 	void (*destroy)(struct wlr_texture *texture);
 };
 
-void wlr_texture_init(struct wlr_texture *texture,
+void wlr_texture_init(struct wlr_texture *texture, struct wlr_renderer *rendener,
 	const struct wlr_texture_impl *impl, uint32_t width, uint32_t height);
 
 #endif

include/wlr/render/wlr_texture.h

@@ -21,6 +21,8 @@ struct wlr_texture_impl;
 struct wlr_texture {
 	const struct wlr_texture_impl *impl;
 	uint32_t width, height;
+
+	struct wlr_renderer *renderer;
 };
 
 /**

render/gles2/texture.c

@@ -174,7 +174,8 @@ static struct wlr_gles2_texture *gles2_texture_create(
 		wlr_log_errno(WLR_ERROR, "Allocation failed");
 		return NULL;
 	}
-	wlr_texture_init(&texture->wlr_texture, &texture_impl, width, height);
+	wlr_texture_init(&texture->wlr_texture, &renderer->wlr_renderer,
+		&texture_impl, width, height);
 	texture->renderer = renderer;
 	wl_list_insert(&renderer->textures, &texture->link);
 	return texture;

render/pixman/renderer.c

@@ -354,8 +354,8 @@ static struct wlr_pixman_texture *pixman_texture_create(
 		return NULL;
 	}
 
-	wlr_texture_init(&texture->wlr_texture, &texture_impl, width, height);
-	texture->renderer = renderer;
+	wlr_texture_init(&texture->wlr_texture, &renderer->wlr_renderer,
+		&texture_impl, width, height);
 
 	texture->format_info = drm_get_pixel_format_info(drm_format);
 	if (!texture->format_info) {

render/vulkan/texture.c

@@ -252,7 +252,8 @@ static struct wlr_vk_texture *vulkan_texture_create(
 		wlr_log_errno(WLR_ERROR, "Allocation failed");
 		return NULL;
 	}
-	wlr_texture_init(&texture->wlr_texture, &texture_impl, width, height);
+	wlr_texture_init(&texture->wlr_texture, &renderer->wlr_renderer,
+		&texture_impl, width, height);
 	texture->renderer = renderer;
 	wl_list_insert(&renderer->textures, &texture->link);
 	return texture;

render/wlr_renderer.c

@@ -153,6 +153,7 @@ bool wlr_render_subtexture_with_matrix(struct wlr_renderer *r,
 		struct wlr_texture *texture, const struct wlr_fbox *box,
 		const float matrix[static 9], float alpha) {
 	assert(r->rendering);
+	assert(texture->renderer == r);
 	return r->impl->render_subtexture_with_matrix(r, texture,
 		box, matrix, alpha);
 }

render/wlr_texture.c

@@ -6,9 +6,12 @@
 #include <wlr/render/wlr_texture.h>
 #include "types/wlr_buffer.h"
 
-void wlr_texture_init(struct wlr_texture *texture,
+void wlr_texture_init(struct wlr_texture *texture, struct wlr_renderer *renderer,
 		const struct wlr_texture_impl *impl, uint32_t width, uint32_t height) {
+	assert(renderer);
+
 	memset(texture, 0, sizeof(*texture));
+	texture->renderer = renderer;
 	texture->impl = impl;
 	texture->width = width;
 	texture->height = height;