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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
#ifndef WLR_RENDER_WLR_RENDERER_H
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#define WLR_RENDER_WLR_RENDERER_H
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#include <stdint.h>
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#include <wayland-server-protocol.h>
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#include <wlr/render/wlr_texture.h>
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#include <wlr/types/wlr_box.h>
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struct wlr_output;
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struct wlr_renderer;
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void wlr_renderer_begin(struct wlr_renderer *r, int width, int height);
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void wlr_renderer_end(struct wlr_renderer *r);
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void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]);
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/**
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* Defines a scissor box. Only pixels that lie within the scissor box can be
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* modified by drawing functions. Providing a NULL `box` disables the scissor
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* box.
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*/
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void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box);
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/**
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* Renders the requested texture.
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*/
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bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
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const float projection[static 9], int x, int y, float alpha);
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/**
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* Renders the requested texture using the provided matrix.
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*/
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bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
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struct wlr_texture *texture, const float matrix[static 9], float alpha);
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/**
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* Renders a solid rectangle in the specified color.
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*/
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void wlr_render_rect(struct wlr_renderer *r, const struct wlr_box *box,
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const float color[static 4], const float projection[static 9]);
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/**
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* Renders a solid quadrangle in the specified color with the specified matrix.
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*/
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void wlr_render_quad_with_matrix(struct wlr_renderer *r,
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const float color[static 4], const float matrix[static 9]);
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/**
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* Renders a solid ellipse in the specified color.
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*/
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void wlr_render_ellipse(struct wlr_renderer *r, const struct wlr_box *box,
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const float color[static 4], const float projection[static 9]);
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/**
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* Renders a solid ellipse in the specified color with the specified matrix.
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*/
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void wlr_render_ellipse_with_matrix(struct wlr_renderer *r,
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const float color[static 4], const float matrix[static 9]);
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/**
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* Returns a list of pixel formats supported by this renderer.
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*/
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const enum wl_shm_format *wlr_renderer_get_formats(struct wlr_renderer *r,
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size_t *len);
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/**
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* Returns true if this wl_buffer is a wl_drm buffer.
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*/
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bool wlr_renderer_resource_is_wl_drm_buffer(struct wlr_renderer *renderer,
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struct wl_resource *buffer);
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/**
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* Gets the width and height of a wl_drm buffer.
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*/
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void wlr_renderer_wl_drm_buffer_get_size(struct wlr_renderer *renderer,
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struct wl_resource *buffer, int *width, int *height);
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/**
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* Reads out of pixels of the currently bound surface into data. `stride` is in
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* bytes.
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*/
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bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
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uint32_t stride, uint32_t width, uint32_t height,
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uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, void *data);
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/**
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* Checks if a format is supported.
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*/
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bool wlr_renderer_format_supported(struct wlr_renderer *r,
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enum wl_shm_format fmt);
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/**
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* Destroys this wlr_renderer. Textures must be destroyed separately.
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*/
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void wlr_renderer_destroy(struct wlr_renderer *renderer);
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#endif
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