swayfx/include/sway/desktop/fx_renderer.h
William McKinnon 90a80e7041
feat: add round borders (#22)
Co-authored-by: Erik Reider <35975961+ErikReider@users.noreply.github.com>
2022-10-09 11:47:34 -04:00

81 lines
2 KiB
C

#ifndef _SWAY_OPENGL_H
#define _SWAY_OPENGL_H
#include <GLES2/gl2.h>
#include <stdbool.h>
enum corner_location {NONE, TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT};
struct gles2_tex_shader {
GLuint program;
GLint proj;
GLint tex;
GLint alpha;
GLint pos_attrib;
GLint tex_attrib;
GLint width;
GLint height;
GLint position;
GLint radius;
};
struct fx_renderer {
struct wlr_egl *egl;
float projection[9];
// Shaders
struct {
struct {
GLuint program;
GLint proj;
GLint color;
GLint pos_attrib;
} quad;
struct {
GLuint program;
GLint proj;
GLint color;
GLint pos_attrib;
GLint is_top_left;
GLint is_top_right;
GLint is_bottom_left;
GLint is_bottom_right;
GLint width;
GLint height;
GLint position;
GLint radius;
GLint thickness;
} corner;
struct gles2_tex_shader tex_rgba;
struct gles2_tex_shader tex_rgbx;
struct gles2_tex_shader tex_ext;
} shaders;
};
struct fx_renderer *fx_renderer_create(struct wlr_egl *egl);
void fx_renderer_begin(struct fx_renderer *renderer, uint32_t width, uint32_t height);
void fx_renderer_end();
void fx_renderer_clear(const float color[static 4]);
void fx_renderer_scissor(struct wlr_box *box);
bool fx_render_subtexture_with_matrix(struct fx_renderer *renderer, struct wlr_texture *wlr_texture,
const struct wlr_fbox *src_box, const struct wlr_box *dst_box, const float matrix[static 9],
float alpha, int radius);
bool fx_render_texture_with_matrix(struct fx_renderer *renderer, struct wlr_texture *wlr_texture,
const struct wlr_box *dst_box, const float matrix[static 9], float alpha, int radius);
void fx_render_rect(struct fx_renderer *renderer, const struct wlr_box *box,
const float color[static 4], const float projection[static 9]);
void fx_render_border_corner(struct fx_renderer *renderer, const struct wlr_box *box,
const float color[static 4], const float projection[static 9],
enum corner_location corner_location, int radius, int border_thickness);
#endif