138 lines
3.2 KiB
C
138 lines
3.2 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 <GLES2/gl2ext.h>
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#include <stdbool.h>
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enum corner_location { ALL, TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT };
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struct decoration_data {
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float alpha;
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float saturation;
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int corner_radius;
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float dim;
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float* dim_color;
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bool has_titlebar;
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};
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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 size;
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GLint position;
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GLint radius;
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GLint saturation;
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GLint dim;
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GLint dim_color;
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GLint has_titlebar;
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};
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struct rounded_quad_shader {
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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 size;
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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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GLuint stencil_buffer_id;
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struct {
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bool OES_egl_image_external;
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} exts;
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struct {
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PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
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} procs;
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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 rounded_quad_shader rounded_quad;
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struct rounded_quad_shader rounded_tl_quad;
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struct rounded_quad_shader rounded_tr_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 {
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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 position;
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GLint size;
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GLint blur_sigma;
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GLint corner_radius;
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} box_shadow;
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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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struct decoration_data deco_data);
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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], struct decoration_data deco_data);
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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_rounded_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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int radius, enum corner_location corner_location);
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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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void fx_render_box_shadow(struct fx_renderer *renderer, const struct wlr_box *box,
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const float color[static 4], const float projection[static 9], int radius, float blur_sigma);
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#endif
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