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Basic texture support

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This commit is contained in:
Zachary Levy
2026-04-21 13:01:02 -07:00
parent f85187eff3
commit a4623a13b5
17 changed files with 1375 additions and 216 deletions
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95
draw/shaders/generated/base_2d.frag.metal
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@@ -25,6 +25,7 @@ struct main0_in
float4 f_params2 [[user(locn3)]];
uint f_kind_flags [[user(locn4)]];
float f_rotation [[user(locn5), flat]];
float4 f_uv_rect [[user(locn6), flat]];
};
static inline __attribute__((always_inline))
@@ -69,6 +70,12 @@ float sdf_stroke(thread const float& d, thread const float& stroke_width)
return abs(d) - (stroke_width * 0.5);
}
static inline __attribute__((always_inline))
float sdf_alpha(thread const float& d, thread const float& soft)
{
return 1.0 - smoothstep(-soft, soft, d);
}
static inline __attribute__((always_inline))
float sdCircle(thread const float2& p, thread const float& r)
{
@@ -127,12 +134,6 @@ float sdSegment(thread const float2& p, thread const float2& a, thread const flo
return length(pa - (ba * h));
}
static inline __attribute__((always_inline))
float sdf_alpha(thread const float& d, thread const float& soft)
{
return 1.0 - smoothstep(-soft, soft, d);
}
fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler texSmplr [[sampler(0)]])
{
main0_out out = {};
@@ -169,6 +170,25 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
float param_6 = stroke_px;
d = sdf_stroke(param_5, param_6);
}
float4 shape_color = in.f_color;
if ((flags & 2u) != 0u)
{
float2 p_for_uv = in.f_local_or_uv;
if (in.f_rotation != 0.0)
{
float2 param_7 = p_for_uv;
float param_8 = in.f_rotation;
p_for_uv = apply_rotation(param_7, param_8);
}
float2 local_uv = ((p_for_uv / b) * 0.5) + float2(0.5);
float2 uv = mix(in.f_uv_rect.xy, in.f_uv_rect.zw, local_uv);
shape_color *= tex.sample(texSmplr, uv);
}
float param_9 = d;
float param_10 = soft;
float alpha = sdf_alpha(param_9, param_10);
out.out_color = float4(shape_color.xyz, shape_color.w * alpha);
return out;
}
else
{
@@ -177,14 +197,14 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
float radius = in.f_params.x;
soft = fast::max(in.f_params.y, 1.0);
float stroke_px_1 = in.f_params.z;
float2 param_7 = in.f_local_or_uv;
float param_8 = radius;
d = sdCircle(param_7, param_8);
float2 param_11 = in.f_local_or_uv;
float param_12 = radius;
d = sdCircle(param_11, param_12);
if ((flags & 1u) != 0u)
{
float param_9 = d;
float param_10 = stroke_px_1;
d = sdf_stroke(param_9, param_10);
float param_13 = d;
float param_14 = stroke_px_1;
d = sdf_stroke(param_13, param_14);
}
}
else
@@ -197,19 +217,19 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
float2 p_local_1 = in.f_local_or_uv;
if (in.f_rotation != 0.0)
{
float2 param_11 = p_local_1;
float param_12 = in.f_rotation;
p_local_1 = apply_rotation(param_11, param_12);
float2 param_15 = p_local_1;
float param_16 = in.f_rotation;
p_local_1 = apply_rotation(param_15, param_16);
}
float2 param_13 = p_local_1;
float2 param_14 = ab;
float _560 = sdEllipse(param_13, param_14);
d = _560;
float2 param_17 = p_local_1;
float2 param_18 = ab;
float _616 = sdEllipse(param_17, param_18);
d = _616;
if ((flags & 1u) != 0u)
{
float param_15 = d;
float param_16 = stroke_px_2;
d = sdf_stroke(param_15, param_16);
float param_19 = d;
float param_20 = stroke_px_2;
d = sdf_stroke(param_19, param_20);
}
}
else
@@ -220,10 +240,10 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
float2 b_1 = in.f_params.zw;
float width = in.f_params2.x;
soft = fast::max(in.f_params2.y, 1.0);
float2 param_17 = in.f_local_or_uv;
float2 param_18 = a;
float2 param_19 = b_1;
d = sdSegment(param_17, param_18, param_19) - (width * 0.5);
float2 param_21 = in.f_local_or_uv;
float2 param_22 = a;
float2 param_23 = b_1;
d = sdSegment(param_21, param_22, param_23) - (width * 0.5);
}
else
{
@@ -243,16 +263,16 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
}
float ang_start = mod(start_rad, 6.283185482025146484375);
float ang_end = mod(end_rad, 6.283185482025146484375);
float _654;
float _710;
if (ang_end > ang_start)
{
_654 = float((angle >= ang_start) && (angle <= ang_end));
_710 = float((angle >= ang_start) && (angle <= ang_end));
}
else
{
_654 = float((angle >= ang_start) || (angle <= ang_end));
_710 = float((angle >= ang_start) || (angle <= ang_end));
}
float in_arc = _654;
float in_arc = _710;
if (abs(ang_end - ang_start) >= 6.282185077667236328125)
{
in_arc = 1.0;
@@ -277,9 +297,9 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
d = (length(p) * cos(bn)) - radius_1;
if ((flags & 1u) != 0u)
{
float param_20 = d;
float param_21 = stroke_px_3;
d = sdf_stroke(param_20, param_21);
float param_24 = d;
float param_25 = stroke_px_3;
d = sdf_stroke(param_24, param_25);
}
}
}
@@ -287,10 +307,9 @@ fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[textur
}
}
}
float param_22 = d;
float param_23 = soft;
float alpha = sdf_alpha(param_22, param_23);
out.out_color = float4(in.f_color.xyz, in.f_color.w * alpha);
float param_26 = d;
float param_27 = soft;
float alpha_1 = sdf_alpha(param_26, param_27);
out.out_color = float4(in.f_color.xyz, in.f_color.w * alpha_1);
return out;
}