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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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176
code/sectr/shaders/ve_blit_atlas.odin
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@ -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