sokol: upgrade to latest version, add program icon support (#11559)

* updated sokol_gfx.h to the last version: 16d7b2e

* merged sokol_app and update enums.v

* added missing icons structs

* try to fixing Mac keyboard problems

* added v patch marker to sokol_app.h

* upgrade for sokol_gl.h, sokol_fontstash.h

* manage sgl_load_default_pipeline

* added load_default_pipeline() for sokol coherence

* vfmt sapp_structs.c.v

Co-authored-by: Delyan Angelov <delian66@gmail.com>

vlib/sokol/sapp/enums.v

@@ -18,6 +18,8 @@ pub enum EventType {
 	resized
 	iconified
 	restored
+	focused
+	unfocused
 	suspended
 	resumed
 	update_cursor
@@ -39,6 +41,9 @@ pub enum Modifier {
 	ctrl = 2 //(1<<1)
 	alt = 4 //(1<<2)
 	super = 8 //(1<<3)
+	lmb = 0x100
+	rmb = 0x200
+	mmb = 0x400
 }
 
 pub enum KeyCode {

vlib/sokol/sapp/sapp_structs.c.v

@@ -1,5 +1,30 @@
 module sapp
 
+const (
+	sapp_max_touchpoints  = 8
+	sapp_max_mousebuttons = 3
+	sapp_max_keycodes     = 512
+	sapp_max_iconimages   = 8
+)
+
+pub struct C.sapp_range {
+pub:
+	ptr  voidptr
+	size usize
+}
+
+pub struct C.sapp_image_desc {
+pub:
+	width  int
+	height int
+	pixels C.spp_range
+}
+
+pub struct C.sapp_icon_desc {
+	sokol_default bool
+	images        [sapp_max_iconimages]C.sapp_image_desc
+}
+
 pub struct C.sapp_desc {
 pub:
 	init_cb    fn () // these are the user-provided callbacks without user data
@@ -29,6 +54,7 @@ pub:
 	enable_dragndrop             bool  // enable file dropping (drag'n'drop), default is false
 	max_dropped_files            int   // max number of dropped files to process (default: 1)
 	max_dropped_file_path_length int   // max length in bytes of a dropped UTF-8 file path (default: 2048)
+	icon                         C.sapp_icon_desc
 	// backend-specific options
 	gl_force_gles2                bool  // if true, setup GLES2/WebGL even if GLES3/WebGL2 is available
 	win32_console_utf8            bool  // if true, set the output console codepage to UTF-8
@@ -60,7 +86,7 @@ pub:
 	scroll_x           f32
 	scroll_y           f32
 	num_touches        int
-	touches            [8]C.sapp_touchpoint
+	touches            [sapp_max_touchpoints]C.sapp_touchpoint
 	window_width       int
 	window_height      int
 	framebuffer_width  int
@@ -83,7 +109,7 @@ pub:
 	scroll_x           f32
 	scroll_y           f32
 	num_touches        int
-	touches            [8]C.sapp_touchpoint
+	touches            [sapp_max_touchpoints]C.sapp_touchpoint
 	window_width       int
 	window_height      int
 	framebuffer_width  int

vlib/sokol/sgl/sgl.c.v

@@ -75,9 +75,14 @@ pub fn texture(img C.sg_image) {
 }
 
 // pipeline stack functions
+[inline]
+pub fn load_default_pipeline() {
+	C.sgl_load_default_pipeline()
+}
+
 [inline]
 pub fn default_pipeline() {
-	C.sgl_default_pipeline()
+	C.sgl_load_default_pipeline()
 }
 
 [inline]

vlib/sokol/sgl/sgl_funcs.c.v

@@ -22,7 +22,7 @@ fn C.sgl_disable_texture()
 fn C.sgl_texture(img C.sg_image)
 
 // pipeline stack functions
-fn C.sgl_default_pipeline()
+fn C.sgl_load_default_pipeline()
 fn C.sgl_load_pipeline(pip C.sgl_pipeline)
 fn C.sgl_push_pipeline()
 fn C.sgl_pop_pipeline()