sokol: type alias all sgl structs, support sgl_context (#13018)

examples/sokol/01_cubes/cube.v

@@ -26,7 +26,7 @@ const (
 struct App {
 mut:
 	gg          &gg.Context
-	pip_3d      C.sgl_pipeline
+	pip_3d      sgl.Pipeline
 	texture     gfx.Image
 	init_flag   bool
 	frame_count int
@@ -315,7 +315,7 @@ fn my_init(mut app App) {
 	// for a large number of the same type of object it is better use the instances!!
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{
+	sgl_desc := sgl.Desc{
 		max_vertices: 50 * 65536
 	}
 	sgl.setup(&sgl_desc)

examples/sokol/02_cubes_glsl/cube_glsl.v

@@ -37,7 +37,7 @@ const (
 struct App {
 mut:
 	gg          &gg.Context
-	pip_3d      C.sgl_pipeline
+	pip_3d      sgl.Pipeline
 	texture     gfx.Image
 	init_flag   bool
 	frame_count int
@@ -486,7 +486,7 @@ fn my_init(mut app App) {
 	// for a large number of the same type of object it is better use the instances!!
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{
+	sgl_desc := sgl.Desc{
 		max_vertices: 50 * 65536
 	}
 	sgl.setup(&sgl_desc)

examples/sokol/03_march_tracing_glsl/rt_glsl.v

@@ -325,7 +325,7 @@ fn my_init(mut app App) {
 	// for a large number of the same type of object it is better use the instances!!
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{
+	sgl_desc := sgl.Desc{
 		max_vertices: 50 * 65536
 	}
 	sgl.setup(&sgl_desc)

examples/sokol/04_multi_shader_glsl/rt_glsl.v

@@ -513,7 +513,7 @@ fn my_init(mut app App) {
 	// for a large number of the same type of object it is better use the instances!!
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{
+	sgl_desc := sgl.Desc{
 		max_vertices: 50 * 65536
 	}
 	sgl.setup(&sgl_desc)

examples/sokol/06_obj_viewer/show_obj.v

@@ -212,7 +212,7 @@ fn my_init(mut app App) {
 	// for a large number of the same type of object it is better use the instances!!
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{
+	sgl_desc := sgl.Desc{
 		max_vertices: 128 * 65536
 	}
 	sgl.setup(&sgl_desc)

examples/sokol/drawing.v

@@ -29,7 +29,7 @@ fn main() {
 fn init(user_data voidptr) {
 	desc := sapp.create_desc() // gfx.Desc{
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{}
+	sgl_desc := sgl.Desc{}
 	sgl.setup(&sgl_desc)
 }
 

examples/sokol/fonts.v

@@ -44,7 +44,7 @@ fn main() {
 fn init(mut state AppState) {
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	s := &C.sgl_desc_t{}
+	s := &sgl.Desc{}
 	C.sgl_setup(s)
 	state.fons = sfons.create(512, 512, 1)
 	// or use DroidSerif-Regular.ttf

examples/sokol/freetype_raven.v

@@ -96,7 +96,7 @@ fn init(user_data voidptr) {
 	mut state := &AppState(user_data)
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	s := &C.sgl_desc_t{}
+	s := &sgl.Desc{}
 	C.sgl_setup(s)
 	state.fons = sfons.create(512, 512, 1)
 	// or use DroidSerif-Regular.ttf

examples/sokol/particles/particles.v

@@ -31,7 +31,7 @@ mut:
 	frame     i64
 	last      i64
 	ps        particle.System
-	alpha_pip C.sgl_pipeline
+	alpha_pip sgl.Pipeline
 }
 
 fn (mut a App) init() {
@@ -75,7 +75,7 @@ fn init(user_data voidptr) {
 	mut app := &App(user_data)
 	desc := sapp.create_desc()
 	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{
+	sgl_desc := sgl.Desc{
 		max_vertices: 50 * 65536
 	}
 	sgl.setup(&sgl_desc)