int
glw_opengl_shaders_init(glw_root_t *gr)
{
glw_backend_root_t *gbr = &gr->gr_be;
GLuint vs, fs;
vs = glw_compile_shader("bundle://src/ui/glw/glsl/v1.glsl",
GL_VERTEX_SHADER);
fs = glw_compile_shader("bundle://src/ui/glw/glsl/f_tex.glsl",
GL_FRAGMENT_SHADER);
gbr->gbr_renderer_tex = glw_make_program(gbr, "Texture", vs, fs);
glDeleteShader(fs);
fs = glw_compile_shader("bundle://src/ui/glw/glsl/f_tex_blur.glsl",
GL_FRAGMENT_SHADER);
gbr->gbr_renderer_tex_blur = glw_make_program(gbr, "Texture", vs, fs);
glDeleteShader(fs);
fs = glw_compile_shader("bundle://src/ui/glw/glsl/f_flat.glsl",
GL_FRAGMENT_SHADER);
gbr->gbr_renderer_flat = glw_make_program(gbr, "Flat", vs, fs);
glDeleteShader(fs);
glDeleteShader(vs);
// gbr->gbr_renderer_draw = glw_renderer_shader;
// Video renderer
vs = glw_compile_shader("bundle://src/ui/glw/glsl/yuv2rgb_v.glsl",
GL_VERTEX_SHADER);
fs = glw_compile_shader("bundle://src/ui/glw/glsl/yuv2rgb_1f_norm.glsl",
GL_FRAGMENT_SHADER);
gbr->gbr_yuv2rgb_1f = glw_make_program(gbr, "yuv2rgb_1f_norm", vs, fs);
glDeleteShader(fs);
fs = glw_compile_shader("bundle://src/ui/glw/glsl/yuv2rgb_2f_norm.glsl",
GL_FRAGMENT_SHADER);
gbr->gbr_yuv2rgb_2f = glw_make_program(gbr, "yuv2rgb_2f_norm", vs, fs);
glDeleteShader(fs);
glDeleteShader(vs);
gr->gr_render = shader_render;
prop_set_string(prop_create(gr->gr_uii.uii_prop, "rendermode"),
"OpenGL VP/FP shaders");
return 0;
}
static void
glw_quad_render(glw_t *w, const glw_rctx_t *rc)
{
glw_quad_t *q = (glw_quad_t *)w;
if(q->recompile) {
glw_destroy_program(w->glw_root, q->prog);
q->prog = glw_make_program(w->glw_root, NULL, rstr_get(q->fs));
q->recompile = 0;
}
if(!glw_renderer_initialized(&q->r)) {
glw_renderer_init_quad(&q->r);
glw_renderer_vtx_pos(&q->r, 0, -1, -1, 0);
glw_renderer_vtx_pos(&q->r, 1, 1, -1, 0);
glw_renderer_vtx_pos(&q->r, 2, 1, 1, 0);
glw_renderer_vtx_pos(&q->r, 3, -1, 1, 0);
}
glw_renderer_draw(&q->r, w->glw_root, rc,
NULL,
&q->color, NULL, rc->rc_alpha * w->glw_alpha, 0,
q->prog);
}