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updates to sokol_demo & sokol backend

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This commit is contained in:
Edward R. Gonzalez
2024-07-01 12:24:20 -04:00
parent 93e8b2d64e
commit 51ddb5371b
4 changed files with 2339 additions and 21 deletions
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38
examples/sokol_demo/sokol_demo.odin
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@@ -50,8 +50,6 @@ Font_Load_Gen_ID :: ""
// Working directory assumed to be the build folder
Path_Fonts :: "../fonts/"
Screen_Size : [2]f32 : { 1600, 900 }
FontID :: struct {
label : string,
}
@@ -68,6 +66,8 @@ Demo_Context :: struct {
font_ids : map[string]FontDef,
font_firacode : FontID,
screen_size : [2]f32
}
demo_ctx : Demo_Context
@@ -135,7 +135,7 @@ measure_text_size :: proc( text : string, font : FontID, font_size := Font_Use_D
return measured
}
get_font_vertical_metrics :: #force_inline proc ( font : FontID, font_size := Font_Use_Default_Size ) -> ( ascent, descent, line_gap : f32 )
get_font_vertical_metrics :: #force_inline proc ( font : FontID, font_size := Font_Use_Default_Size ) -> ( ascent, descent, line_gap : f32 )
{
ve_id, size := font_provider_resolve_draw_id( font, font_size )
ascent, descent, line_gap = ve.get_font_vertical_metrics( & demo_ctx.ve_ctx, ve_id )
@@ -145,8 +145,8 @@ get_font_vertical_metrics :: #force_inline proc ( font : FontID, font_size := Fo
// Draw text using a string and normalized render coordinates
draw_text_string_pos_norm :: proc( content : string, id : FontID, size : f32, pos : Vec2, color := Color_White, scale : f32 = 1.0 )
{
width :: Screen_Size.x
height :: Screen_Size.y
width := demo_ctx.screen_size.x
height := demo_ctx.screen_size.y
ve_id, resolved_size := font_provider_resolve_draw_id( id, size )
color_norm := normalize_rgba8(color)
@@ -157,10 +157,9 @@ draw_text_string_pos_norm :: proc( content : string, id : FontID, size : f32, po
}
// Draw text using a string and extent-based screen coordinates
draw_text_string_pos_extent :: proc( content : string, id : FontID, size : f32, pos : Vec2, color := Color_White )
{
render_pos := pos + Screen_Size * 0.5
normalized_pos := render_pos * (1.0 / Screen_Size)
draw_text_string_pos_extent :: proc( content : string, id : FontID, size : f32, pos : Vec2, color := Color_White ) {
render_pos := pos + demo_ctx.screen_size * 0.5
normalized_pos := render_pos * (1.0 / demo_ctx.screen_size)
draw_text_string_pos_norm( content, id, size, normalized_pos, color )
}
@@ -233,13 +232,14 @@ frame :: proc "c" ()
{
context = runtime.default_context()
demo_ctx.screen_size = { app.widthf(), app.heightf() }
pass_action : gfx.Pass_Action;
pass_action.colors[0] = { load_action = .CLEAR, clear_value = { 0.18 * 0.18, 0.204 * 0.204, 0.251 * 0.251, 1.0 } }
gfx.begin_pass({ action = pass_action, swapchain = glue.swapchain() })
gfx.end_pass()
{
ve.configure_snap( & demo_ctx.ve_ctx, u32(Screen_Size.x), u32(Screen_Size.y) )
ve.configure_snap( & demo_ctx.ve_ctx, u32(demo_ctx.screen_size.x), u32(demo_ctx.screen_size.y) )
ve.set_colour( & demo_ctx.ve_ctx, ve.Colour { 1.0, 1.0, 1.0, 1.0 })
ve_id, size := font_provider_resolve_draw_id( demo_ctx.font_firacode, 100 )
@@ -248,32 +248,34 @@ frame :: proc "c" ()
ve_id,
"Hello VE FONT CACHE???",
Vec2{0.1, 0.1},
Vec2{1 / Screen_Size.x, 1 / Screen_Size.y }
Vec2{1 / demo_ctx.screen_size.x, 1 / demo_ctx.screen_size.y }
)
draw_text_string_pos_extent( "Hello VEFontCache!", demo_ctx.font_firacode, 48, {0, 0}, Color_White )
draw_text_string_pos_norm( "Hello VEFontCache!", demo_ctx.font_firacode, 24, {0, 0}, Color_White )
ve_sokol.render_text_layer( Screen_Size * 0.5, & demo_ctx.ve_ctx, demo_ctx.render_ctx )
ve_sokol.render_text_layer( demo_ctx.screen_size * 0.5, & demo_ctx.ve_ctx, demo_ctx.render_ctx )
}
gfx.commit()
ve.flush_draw_list( & demo_ctx.ve_ctx )
}
cleanup :: proc "c" ()
{
cleanup :: proc "c" () {
context = runtime.default_context()
ve.shutdown( & demo_ctx.ve_ctx )
gfx.shutdown()
}
main :: proc() {
main :: proc()
{
demo_ctx.screen_size = Vec2 { 1600, 900 }
app.run({
init_cb = init,
frame_cb = frame,
cleanup_cb = cleanup,
width = i32(Screen_Size.x),
height = i32(Screen_Size.y),
width = i32(demo_ctx.screen_size.x),
height = i32(demo_ctx.screen_size.y),
window_title = "VEFonCache: Sokol Backend Demo",
icon = { sokol_default = true },
logger = { func = slog.func },