render: split render.h into wlr_renderer.h and wlr_texture.h

include/wlr/render/wlr_texture.h

@@ -0,0 +1,69 @@
+#ifndef WLR_RENDER_WLR_TEXTURE_H
+#define WLR_RENDER_WLR_TEXTURE_H
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <stdint.h>
+#include <wayland-server-protocol.h>
+
+struct wlr_texture_impl;
+
+struct wlr_texture {
+	struct wlr_texture_impl *impl;
+
+	bool valid;
+	uint32_t format;
+	int width, height;
+	bool inverted_y;
+	struct wl_signal destroy_signal;
+	struct wl_resource *resource;
+};
+
+/**
+ * Copies pixels to this texture. The buffer is not accessed after this function
+ * returns.
+ */
+bool wlr_texture_upload_pixels(struct wlr_texture *tex,
+	enum wl_shm_format format, int stride, int width, int height,
+	const unsigned char *pixels);
+/**
+ * Copies pixels to this texture. The buffer is not accessed after this function
+ * returns. Under some circumstances, this function may re-upload the entire
+ * buffer - therefore, the entire buffer must be valid.
+ */
+bool wlr_texture_update_pixels(struct wlr_texture *surf,
+	enum wl_shm_format format, int stride, int x, int y,
+	int width, int height, const unsigned char *pixels);
+/**
+ * Copies pixels from a wl_shm_buffer into this texture. The buffer is not
+ * accessed after this function returns.
+ */
+bool wlr_texture_upload_shm(struct wlr_texture *tex, uint32_t format,
+	struct wl_shm_buffer *shm);
+/**
+ * Attaches the contents from the given wl_drm wl_buffer resource onto the
+ * texture. The wl_resource is not used after this call.
+ * Will fail (return false) if the given resource is no drm buffer.
+ */
+bool wlr_texture_upload_drm(struct wlr_texture *tex,
+	struct wl_resource *drm_buffer);
+
+bool wlr_texture_upload_eglimage(struct wlr_texture *tex,
+	EGLImageKHR image, uint32_t width, uint32_t height);
+
+bool wlr_texture_upload_dmabuf(struct wlr_texture *tex,
+	struct wl_resource *dmabuf_resource);
+/**
+ * Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
+ * buffer is not accessed after this function returns. Under some circumstances,
+ * this function may re-upload the entire buffer - therefore, the entire buffer
+ * must be valid.
+ */
+bool wlr_texture_update_shm(struct wlr_texture *surf, uint32_t format,
+	int x, int y, int width, int height, struct wl_shm_buffer *shm);
+/**
+ * Destroys this wlr_texture.
+ */
+void wlr_texture_destroy(struct wlr_texture *texture);
+
+#endif