render/gles2: destroy textures on renderer teardown

include/render/gles2.h

@@ -67,6 +67,7 @@ struct wlr_gles2_renderer {
 	} shaders;
 
 	struct wl_list buffers; // wlr_gles2_buffer.link
+	struct wl_list textures; // wlr_gles2_texture.link
 
 	struct wlr_gles2_buffer *current_buffer;
 	uint32_t viewport_width, viewport_height;
@@ -87,6 +88,7 @@ struct wlr_gles2_buffer {
 struct wlr_gles2_texture {
 	struct wlr_texture wlr_texture;
 	struct wlr_gles2_renderer *renderer;
+	struct wl_list link; // wlr_gles2_renderer.textures
 
 	// Basically:
 	//   GL_TEXTURE_2D == mutable

render/gles2/renderer.c

@@ -542,6 +542,11 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
 		destroy_buffer(buffer);
 	}
 
+	struct wlr_gles2_texture *tex, *tex_tmp;
+	wl_list_for_each_safe(tex, tex_tmp, &renderer->textures, link) {
+		wlr_texture_destroy(&tex->wlr_texture);
+	}
+
 	push_gles2_debug(renderer);
 	glDeleteProgram(renderer->shaders.quad.program);
 	glDeleteProgram(renderer->shaders.tex_rgba.program);
@@ -763,6 +768,7 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
 	wlr_renderer_init(&renderer->wlr_renderer, &renderer_impl);
 
 	wl_list_init(&renderer->buffers);
+	wl_list_init(&renderer->textures);
 
 	renderer->egl = egl;
 	renderer->exts_str = exts_str;

render/gles2/texture.c

@@ -105,6 +105,8 @@ static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
 
 	struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
 
+	wl_list_remove(&texture->link);
+
 	struct wlr_egl_context prev_ctx;
 	wlr_egl_save_context(&prev_ctx);
 	wlr_egl_make_current(texture->renderer->egl);
@@ -181,6 +183,8 @@ struct wlr_texture *gles2_texture_from_pixels(struct wlr_renderer *wlr_renderer,
 
 	wlr_egl_restore_context(&prev_ctx);
 
+	wl_list_insert(&renderer->textures, &texture->link);
+
 	return &texture->wlr_texture;
 }
 
@@ -248,6 +252,8 @@ struct wlr_texture *gles2_texture_from_wl_drm(struct wlr_renderer *wlr_renderer,
 
 	wlr_egl_restore_context(&prev_ctx);
 
+	wl_list_insert(&renderer->textures, &texture->link);
+
 	return &texture->wlr_texture;
 
 error_texture:
@@ -316,6 +322,8 @@ struct wlr_texture *gles2_texture_from_dmabuf(struct wlr_renderer *wlr_renderer,
 
 	wlr_egl_restore_context(&prev_ctx);
 
+	wl_list_insert(&renderer->textures, &texture->link);
+
 	return &texture->wlr_texture;
 }