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Text rendering is now around parity (if not better) than what was done before with raylib

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Performance still sucks since the rendering implementation is subpar
This commit is contained in:
Edward R. Gonzalez
2024-06-24 23:19:08 -04:00
parent 321bbfd772
commit 6f722026ce
9 changed files with 217 additions and 161 deletions
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2
code/sectr/app/scratch.odin
View File

@@ -18,7 +18,7 @@ DebugData :: struct {
// UI Vis
draw_ui_box_bounds_points : bool,
draw_UI_padding_bounds : bool,
draw_ui_padding_bounds : bool,
draw_ui_content_bounds : bool,
// Test First

8
code/sectr/engine/client_api.odin
View File

@@ -289,7 +289,7 @@ startup :: proc( prof : ^SpallProfiler, persistent_mem, frame_mem, transient_mem
ui_floating_startup( & screen_ui.floating, 1 * Kilobyte, 1 * Kilobyte, persistent_slab_allocator(), "screen ui floating manager" )
using screen_ui
menu_bar.pos = { -60, 0 }
menu_bar.pos = { -260, -200 }
// menu_bar.pos = Vec2(app_window.extent) * { -1, 1 }
menu_bar.size = {140, 40}
@@ -498,14 +498,14 @@ tick_work_frame :: #force_inline proc( host_delta_time_ms : f64 ) -> b32
// rl.PollInputEvents()
debug.draw_ui_box_bounds_points = false
debug.draw_UI_padding_bounds = false
debug.draw_ui_padding_bounds = false
debug.draw_ui_content_bounds = false
// config.engine_refresh_hz = 165
// config.color_theme = App_Thm_Light
config.color_theme = App_Thm_Dusk
// config.color_theme = App_Thm_Dark
// config.color_theme = App_Thm_Dusk
config.color_theme = App_Thm_Dark
sokol_width := sokol_app.widthf()
sokol_height := sokol_app.heightf()

66
code/sectr/engine/render.odin
View File

@@ -173,10 +173,10 @@ render_mode_screenspace :: proc()
}
profile("debug_text_vis")
fps_size : f32 = 14.0
fps_size : f32 = 16.0
fps_msg := str_fmt( "FPS: %0.2f", fps_avg)
fps_msg_size := measure_text_size( fps_msg, default_font, fps_size, 0.0 )
fps_msg_pos := screen_get_corners().top_right - { fps_msg_size.x * 2, fps_msg_size.y }
fps_msg_pos := screen_get_corners().top_right - { fps_msg_size.x, fps_msg_size.y }
debug_draw_text( fps_msg, fps_msg_pos, fps_size, color = Color_Red )
debug_text( "Screen Width : %v", screen_size.x )
@@ -466,6 +466,10 @@ render_ui_via_box_tree :: proc( root : ^UI_Box, cam : ^Camera = nil )
debug := get_state().debug
default_font := get_state().default_font
cam_zoom_ratio := cam != nil ? 1.0 / cam.zoom : 1.0
circle_radius := cam != nil ? cam_zoom_ratio * 3 : 3
for box := root.first; box != nil; box = ui_box_tranverse_next_depth_based( box )
{
text_enqueued : b32 = false
@@ -496,13 +500,25 @@ render_ui_via_box_tree :: proc( root : ^UI_Box, cam : ^Camera = nil )
shape_enqueued = true
}
line_thickness := 1 * cam_zoom_ratio
if debug.draw_ui_padding_bounds && equal_range2( computed.content, computed.padding )
{
render_set_color( RGBA8_Debug_UI_Padding_Bounds )
draw_rect_border( computed.padding, line_thickness )
}
else if debug.draw_ui_content_bounds {
render_set_color( RGBA8_Debug_UI_Content_Bounds )
draw_rect_border( computed.content, line_thickness )
}
if debug.draw_ui_box_bounds_points
{
render_set_color(Color_Red)
draw_filled_circle(bounds.min.x, bounds.min.y, 3, 24)
draw_filled_circle(bounds.min.x, bounds.min.y, circle_radius, 24)
render_set_color(Color_Blue)
draw_filled_circle(bounds.max.x, bounds.max.y, 3, 24)
draw_filled_circle(bounds.max.x, bounds.max.y, circle_radius, 24)
shape_enqueued = true
}
}
@@ -644,8 +660,8 @@ draw_text_string_pos_norm :: proc( content : string, id : FontID, size : f32, po
width := app_window.extent.x * 2
height := app_window.extent.y * 2
ve_id := font_provider_resolve_draw_id( id, size )
color_norm := normalize_rgba8(color)
ve_id, resolved_size := font_provider_resolve_draw_id( id, size )
color_norm := normalize_rgba8(color)
ve.set_colour( & font_provider_data.ve_font_cache, color_norm )
ve.draw_text( & font_provider_data.ve_font_cache, ve_id, content, pos, Vec2{1 / width, 1 / height} * scale )
@@ -665,21 +681,47 @@ draw_text_string_pos_extent :: proc( content : string, id : FontID, size : f32,
draw_text_string_pos_extent_zoomed :: proc( content : string, id : FontID, size : f32, pos : Vec2, cam : Camera, color := Color_White )
{
state := get_state(); using state
// profile(#procedure)
cam_offset := Vec2 {
cam.position.x,
cam.position.y,
}
pos_offset := pos + cam_offset * cam.zoom
pos_offset := (pos + cam_offset)
cam_zoom_ratio := 1 / cam.zoom
state := get_state(); using state
screen_size := app_window.extent * 2
render_pos := screen_to_render_pos(pos_offset)
normalized_pos := render_pos * (1.0 / screen_size)
draw_text_string_pos_norm( content, id, size * cam.zoom, normalized_pos, color, cam.zoom )
screen_scale := (1.0 / screen_size)
render_pos := ws_view_to_render_pos(pos)
normalized_pos := render_pos * screen_scale
// Oversample font-size for any render under a camera
over_sample : f32 = 2.0
zoom_adjust_size := size * cam.zoom
zoom_adjust_size *= over_sample
ve_id, resolved_size := font_provider_resolve_draw_id( id, zoom_adjust_size )
text_scale : Vec2 = screen_scale
// if config.cam_zoom_mode == .Smooth
{
f32_resolved_size := f32(resolved_size)
diff_scalar := 1 + (zoom_adjust_size - f32_resolved_size) / f32_resolved_size
text_scale = diff_scalar * screen_scale
text_scale.x = clamp( text_scale.x, 0, screen_size.x )
text_scale.y = clamp( text_scale.y, 0, screen_size.y )
}
// Downsample back
text_scale /= over_sample
color_norm := normalize_rgba8(color)
// logf("zoom_adjust_size: %v", zoom_adjust_size)
ve.set_colour( & font_provider_data.ve_font_cache, color_norm )
ve.draw_text( & font_provider_data.ve_font_cache, ve_id, content, normalized_pos, text_scale )
}
// TODO(Ed): Eventually the workspace will need a viewport for drawing text

14
code/sectr/engine/update.odin
View File

@@ -164,10 +164,10 @@ update :: proc( delta_time : f64 ) -> b32
workspace.zoom_target = cam.zoom
}
config.cam_max_zoom = 30
config.cam_zoom_sensitivity_digital = 0.04
// config.cam_min_zoom = 0.04
config.cam_zoom_sensitivity_smooth = 0.02
config.cam_max_zoom = 10
config.cam_min_zoom = 0.10
config.cam_zoom_sensitivity_digital = 0.05
config.cam_zoom_sensitivity_smooth = 2.0
config.cam_zoom_mode = .Smooth
switch config.cam_zoom_mode
{
@@ -181,7 +181,7 @@ update :: proc( delta_time : f64 ) -> b32
cam.zoom += (workspace.zoom_target - cam.zoom) * lerp_factor * f32(delta_time)
cam.zoom = clamp(cam.zoom, config.cam_min_zoom, config.cam_max_zoom) // Ensure cam.zoom stays within bounds
case .Digital:
zoom_delta := input.mouse.scroll.y * config.cam_zoom_sensitivity_digital
zoom_delta := clamp(input.mouse.scroll.y, -1, 1) * config.cam_zoom_sensitivity_digital
workspace.zoom_target = clamp(workspace.zoom_target + zoom_delta, config.cam_min_zoom, config.cam_max_zoom)
cam.zoom = workspace.zoom_target
}
@@ -225,7 +225,7 @@ update :: proc( delta_time : f64 ) -> b32
flags = frame_style_flags,
anchor = {},
// alignment = { 0.5, 0.5 },
font_size = 30,
font_size = 12,
text_alignment = { 0.0, 0.0 },
// corner_radii = { 0.2, 0.2, 0.2, 0.2 },
pos = { 0, 0 },
@@ -249,7 +249,7 @@ update :: proc( delta_time : f64 ) -> b32
// test_draggable()
// test_text_box()
// test_parenting( & default_layout, & frame_style_default )
// test_whitespace_ast( & default_layout, & frame_style_default )
test_whitespace_ast( & default_layout, & frame_style_default )
}
//endregion Workspace Imgui Tick

63
code/sectr/font/provider.odin
View File

@@ -8,11 +8,11 @@ import sokol_glue "thirdparty:sokol/glue"
Font_Provider_Use_Freetype :: false
Font_Largest_Px_Size :: 132
Font_Largest_Px_Size :: 110
Font_Size_Interval :: 2
Font_Default :: FontID { 0, "" }
Font_Default_Point_Size :: 16.0
Font_Default_Point_Size :: 12.0
Font_Load_Use_Default_Size :: -1
Font_Load_Gen_ID :: ""
@@ -119,19 +119,21 @@ font_provider_startup :: proc()
screen_shader = sokol_gfx.make_shader(ve_draw_text_shader_desc(backend) )
draw_list_vbuf = sokol_gfx.make_buffer( BufferDesciption {
size = size_of([4]f32) * Kilo * 128,
size = size_of([4]f32) * Kilo * 512,
usage = BufferUsage.STREAM,
type = BufferType.VERTEXBUFFER,
})
verify( sokol_gfx.query_buffer_state( draw_list_vbuf) < ResourceState.FAILED, "Failed to make draw_list_vbuf" )
draw_list_ibuf = sokol_gfx.make_buffer( BufferDesciption {
size = size_of(u32) * Kilo * 32,
size = size_of(u32) * Kilo * 256,
usage = BufferUsage.STREAM,
type = BufferType.INDEXBUFFER,
})
verify( sokol_gfx.query_buffer_state( draw_list_ibuf) < ResourceState.FAILED, "Failed to make draw_list_iubuf" )
Image_Filter := Filter.LINEAR
// glyph_pipeline
{
vs_layout : VertexLayoutState
@@ -217,15 +219,16 @@ font_provider_startup :: proc()
})
glyph_rt_sampler = sokol_gfx.make_sampler( SamplerDescription {
min_filter = Filter.LINEAR,
mag_filter = Filter.LINEAR,
mipmap_filter = Filter.NONE,
wrap_u = .CLAMP_TO_EDGE,
wrap_v = .CLAMP_TO_EDGE,
min_lod = -1000.0,
max_lod = 1000.0,
border_color = BorderColor.OPAQUE_BLACK,
compare = .NEVER
min_filter = Image_Filter,
mag_filter = Image_Filter,
mipmap_filter = Filter.NONE,
wrap_u = .CLAMP_TO_EDGE,
wrap_v = .CLAMP_TO_EDGE,
min_lod = -1000.0,
max_lod = 1000.0,
border_color = BorderColor.OPAQUE_BLACK,
compare = .NEVER,
max_anisotropy = 1,
})
verify( sokol_gfx.query_sampler_state( glyph_rt_sampler) < ResourceState.FAILED, "Failed to make atlas_rt_sampler" )
@@ -354,15 +357,16 @@ font_provider_startup :: proc()
verify( sokol_gfx.query_image_state(atlas_rt_depth) < ResourceState.FAILED, "Failed to make atlas_rt_depth")
atlas_rt_sampler = sokol_gfx.make_sampler( SamplerDescription {
min_filter = Filter.LINEAR,
mag_filter = Filter.LINEAR,
mipmap_filter = Filter.NONE,
wrap_u = .CLAMP_TO_EDGE,
wrap_v = .CLAMP_TO_EDGE,
min_lod = -1000.0,
max_lod = 1000.0,
border_color = BorderColor.OPAQUE_BLACK,
compare = .NEVER
min_filter = Image_Filter,
mag_filter = Image_Filter,
mipmap_filter = Filter.NONE,
wrap_u = .CLAMP_TO_EDGE,
wrap_v = .CLAMP_TO_EDGE,
min_lod = -1000.0,
max_lod = 1000.0,
border_color = BorderColor.OPAQUE_BLACK,
compare = .NEVER,
max_anisotropy = 1,
})
verify( sokol_gfx.query_sampler_state( atlas_rt_sampler) < ResourceState.FAILED, "Failed to make atlas_rt_sampler" )
@@ -574,22 +578,18 @@ font_load :: proc(path_file : string,
Font_Use_Default_Size :: f32(0.0)
font_provider_resolve_draw_id :: proc( id : FontID, size := Font_Use_Default_Size ) -> ve.FontID
font_provider_resolve_draw_id :: proc( id : FontID, size := Font_Use_Default_Size ) -> (ve_id :ve.FontID, resolved_size : i32)
{
state := get_state(); using state
def := hmap_chained_get( font_provider_data.font_cache, id.key )
size := size == 0.0 ? f32(def.default_size) : size
// size :f32 = 14.0
even_size := math.round(size * (1.0 / f32(Font_Size_Interval))) * f32(Font_Size_Interval)
resolved_size := clamp( i32( even_size), 14, Font_Largest_Px_Size )
resolved_size = clamp( i32( even_size), 14, Font_Largest_Px_Size )
id := (resolved_size / Font_Size_Interval) + (resolved_size % Font_Size_Interval)
ve_id := def.size_table[ id - 1 ]
width := app_window.extent.x * 2
height := app_window.extent.y * 2
return ve_id
ve_id = def.size_table[ id - 1 ]
return
}
measure_text_size :: proc( text : string, font : FontID, font_size := Font_Use_Default_Size, spacing : f32 ) -> Vec2
@@ -597,8 +597,7 @@ measure_text_size :: proc( text : string, font : FontID, font_size := Font_Use_D
state := get_state(); using state
// profile(#procedure)
px_size := math.round( font_size )
ve_id := font_provider_resolve_draw_id( font, font_size )
ve_id, size := font_provider_resolve_draw_id( font, font_size )
measured := ve.measure_text_size( & font_provider_data.ve_font_cache, ve_id, text )
return measured

16
code/sectr/math/space.odin
View File

@@ -168,8 +168,8 @@ view_get_bounds :: #force_inline proc "contextless"() -> Range2 {
cam := & project.workspace.cam
screen_extent := state.app_window.extent
cam_zoom_ratio := 1.0 / cam.zoom
bottom_left := Vec2 { cam.position.x, -cam.position.y } + Vec2 { -screen_extent.x, -screen_extent.y} * cam_zoom_ratio
top_right := Vec2 { cam.position.x, -cam.position.y } + Vec2 { screen_extent.x, screen_extent.y} * cam_zoom_ratio
bottom_left := Vec2 { cam.position.x, cam.position.y } + Vec2 { screen_extent.x, screen_extent.y} * cam_zoom_ratio
top_right := Vec2 { cam.position.x, cam.position.y } + Vec2 { screen_extent.x, screen_extent.y} * cam_zoom_ratio
return range2( bottom_left, top_right )
}
@@ -202,7 +202,7 @@ render_to_ws_view_pos :: #force_inline proc "contextless" (pos : Vec2) -> Vec2 {
screen_to_ws_view_pos :: #force_inline proc "contextless" (pos: Vec2) -> Vec2 {
state := get_state(); using state
cam := & project.workspace.cam
result := Vec2 { cam.position.x, -cam.position.y} + Vec2 { pos.x, pos.y } * (1 / cam.zoom)
result := (Vec2 { cam.position.x, -cam.position.y} + Vec2 { pos.x, pos.y }) * (1 / cam.zoom)
return result
}
@@ -229,7 +229,15 @@ ws_view_to_screen_pos :: #force_inline proc "contextless"(position: Vec2) -> Vec
}
ws_view_to_render_pos :: #force_inline proc "contextless"(position: Vec2) -> Vec2 {
return { position.x, position.y * -1 }
state := get_state(); using state
cam := state.project.workspace.cam
screen_extent := transmute(Vec2) get_state().app_window.extent
extent_offset : Vec2 = { screen_extent.x, screen_extent.y } * { 1, 1 }
position := Vec2 { position.x, position.y }
cam_offset := Vec2 { cam.position.x, cam.position.y }
return extent_offset + (position + cam_offset) * cam.zoom
}
// Workspace view to screen space position (zoom agnostic)

176
code/sectr/shaders/ve_blit_atlas.odin
View File

@@ -129,7 +129,7 @@ ve_blit_atlas_vs_source_hlsl4 := [705]u8 {
/*
cbuffer ve_blit_atlas_fs_params : register(b0)
{
int _83_region : packoffset(c0);
int _88_region : packoffset(c0);
};
Texture2D<float4> ve_blit_atlas_src_texture : register(t0);
@@ -155,26 +155,26 @@ ve_blit_atlas_vs_source_hlsl4 := [705]u8 {
void frag_main()
{
bool _88 = _83_region == 0;
bool _96;
if (!_88)
bool _93 = _88_region == 0;
bool _101;
if (!_93)
{
_96 = _83_region == 1;
_101 = _88_region == 1;
}
else
{
_96 = _88;
_101 = _93;
}
bool _104;
if (!_96)
bool _109;
if (!_101)
{
_104 = _83_region == 2;
_109 = _88_region == 2;
}
else
{
_104 = _96;
_109 = _101;
}
if (_104)
if (_109)
{
float2 param = uv + float2(-0.00048828125f, -0.0029296875f);
float2 param_1 = float2(0.00048828125f, 0.001953125f);
@@ -202,11 +202,11 @@ ve_blit_atlas_vs_source_hlsl4 := [705]u8 {
}
*/
@(private)
ve_blit_atlas_fs_source_hlsl4 := [2135]u8 {
ve_blit_atlas_fs_source_hlsl4 := [2140]u8 {
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@@ -256,87 +256,87 @@ ve_blit_atlas_fs_source_hlsl4 := [2135]u8 {
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}
ve_blit_atlas_shader_desc :: proc (backend: sg.Backend) -> sg.Shader_Desc {
desc: sg.Shader_Desc

20
code/sectr/shaders/ve_blit_atlas.shdc.glsl
View File

@@ -20,11 +20,13 @@ uniform ve_blit_atlas_fs_params {
float down_sample( vec2 uv, vec2 texture_size )
{
float down_sample_scale = 1.0f / 4.0f;
float value =
texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 0.0f, 0.0f ) * texture_size ).x * 0.25f
+ texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 0.0f, 1.0f ) * texture_size ).x * 0.25f
+ texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 1.0f, 0.0f ) * texture_size ).x * 0.25f
+ texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 1.0f, 1.0f ) * texture_size ).x * 0.25f;
texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 0.0f, 0.0f ) * texture_size ).x * down_sample_scale
+ texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 0.0f, 1.0f ) * texture_size ).x * down_sample_scale
+ texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 1.0f, 0.0f ) * texture_size ).x * down_sample_scale
+ texture(sampler2D( ve_blit_atlas_src_texture, ve_blit_atlas_src_sampler ), uv + vec2( 1.0f, 1.0f ) * texture_size ).x * down_sample_scale;
return value;
}
@@ -34,11 +36,13 @@ void main()
const vec2 texture_size = 1.0f / vec2( 2048.0f, 512.0f ); // VEFontCache.Context.buffer_width/buffer_height
if ( region == 0 || region == 1 || region == 2 )
{
float down_sample_scale = 1.0f / 4.0f;
float alpha =
down_sample( uv + vec2( -1.0f, -1.5f ) * texture_size, texture_size ) * 0.25f
+ down_sample( uv + vec2( 0.5f, -1.5f ) * texture_size, texture_size ) * 0.25f
+ down_sample( uv + vec2( -1.5f, 0.5f ) * texture_size, texture_size ) * 0.25f
+ down_sample( uv + vec2( 0.5f, 0.5f ) * texture_size, texture_size ) * 0.25f;
down_sample( uv + vec2( -1.0f, -1.5f ) * texture_size, texture_size ) * down_sample_scale
+ down_sample( uv + vec2( 0.5f, -1.5f ) * texture_size, texture_size ) * down_sample_scale
+ down_sample( uv + vec2( -1.5f, 0.5f ) * texture_size, texture_size ) * down_sample_scale
+ down_sample( uv + vec2( 0.5f, 0.5f ) * texture_size, texture_size ) * down_sample_scale;
frag_color = vec4( 1.0f, 1.0f, 1.0f, alpha );
}
else

13
code/sectr/ui/core/layout_compute.odin
View File

@@ -71,11 +71,14 @@ ui_box_compute_layout :: proc( box : ^UI_Box,
adjusted_size.y = max( adjusted_max_size_y, layout.size.min.y)
text_size : Vec2
if layout.font_size == computed.text_size.y {
text_size = computed.text_size
}
else {
text_size = cast(Vec2) measure_text_size( box.text.str, style.font, layout.font_size, 0 )
if len(box.text.str) > 0
{
if layout.font_size == computed.text_size.y {
text_size = computed.text_size
}
else {
text_size = cast(Vec2) measure_text_size( box.text.str, style.font, layout.font_size, 0 )
}
}
if size_to_text {