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