Merge pull request #735 from emersion/split-render-h

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

1 files changed, 75 insertions, 0 deletions

diff --git a/include/wlr/render/wlr_renderer.h b/include/wlr/render/wlr_renderer.h
new file mode 100644
index 00000000..d5f3cf70
--- /dev/null
+++ b/include/wlr/render/wlr_renderer.h
@@ -0,0 +1,75 @@
+#ifndef WLR_RENDER_WLR_RENDERER_H
+#define WLR_RENDER_WLR_RENDERER_H
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <stdint.h>
+#include <wayland-server-protocol.h>
+#include <wlr/render/wlr_texture.h>
+#include <wlr/types/wlr_box.h>
+
+struct wlr_output;
+
+struct wlr_renderer;
+
+void wlr_renderer_begin(struct wlr_renderer *r, struct wlr_output *output);
+void wlr_renderer_end(struct wlr_renderer *r);
+void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]);
+/**
+ * Defines a scissor box. Only pixels that lie within the scissor box can be
+ * modified by drawing functions. Providing a NULL `box` disables the scissor
+ * box.
+ */
+void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box);
+/**
+ * Requests a texture handle from this renderer.
+ */
+struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r);
+/**
+ * Renders the requested texture.
+ */
+bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
+	const float projection[static 9], int x, int y, float alpha);
+/**
+ * Renders the requested texture using the provided matrix.
+ */
+bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
+	struct wlr_texture *texture, const float matrix[static 9], float alpha);
+/**
+ * Renders a solid quad in the specified color.
+ */
+void wlr_render_colored_quad(struct wlr_renderer *r,
+	const float color[static 4], const float matrix[static 9]);
+/**
+ * Renders a solid ellipse in the specified color.
+ */
+void wlr_render_colored_ellipse(struct wlr_renderer *r,
+	const float color[static 4], const float matrix[static 9]);
+/**
+ * Returns a list of pixel formats supported by this renderer.
+ */
+const enum wl_shm_format *wlr_renderer_get_formats(struct wlr_renderer *r,
+	size_t *len);
+/**
+ * Returns true if this wl_buffer is a DRM buffer.
+ */
+bool wlr_renderer_buffer_is_drm(struct wlr_renderer *renderer,
+	struct wl_resource *buffer);
+/**
+ * Reads out of pixels of the currently bound surface into data. `stride` is in
+ * bytes.
+ */
+bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
+	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);
+/**
+ * Checks if a format is supported.
+ */
+bool wlr_renderer_format_supported(struct wlr_renderer *r,
+	enum wl_shm_format fmt);
+/**
+ * Destroys this wlr_renderer. Textures must be destroyed separately.
+ */
+void wlr_renderer_destroy(struct wlr_renderer *renderer);
+
+#endif