gpu: [compute] remove more unused commands

Signed-off-by: Elias Naur <mail@eliasnaur.com>

gpu/shaders/kernel4.comp

@@ -166,16 +166,6 @@ void main() {
             break;
         }
         switch (tag) {
-        case Cmd_Circle:
-            CmdCircle circle = Cmd_Circle_read(cmd_alloc, cmd_ref);
-            vec4 fg_rgba = unpacksRGB(circle.rgba_color);
-            for (uint i = 0; i < CHUNK; i++) {
-                float dy = float(i * CHUNK_DY);
-                float r = length(vec2(xy.x, xy.y + dy) + vec2(0.5, 0.5) - circle.center.xy);
-                float alpha = clamp(0.5 + circle.radius - r, 0.0, 1.0);
-                rgb[i] = mix(rgb[i], fg_rgba.rgb, mask[i] * alpha * fg_rgba.a);
-            }
-            break;
         case Cmd_Stroke:
             // Calculate distance field from all the line segments in this tile.
             CmdStroke stroke = Cmd_Stroke_read(cmd_alloc, cmd_ref);
@@ -193,7 +183,7 @@ void main() {
                 }
                 tile_seg_ref = seg.next;
             } while (tile_seg_ref.offset != 0);
-            fg_rgba = unpacksRGB(stroke.rgba_color);
+            vec4 fg_rgba = unpacksRGB(stroke.rgba_color);
             for (uint k = 0; k < CHUNK; k++) {
                 float alpha = clamp(stroke.half_width + 0.5 - df[k], 0.0, 1.0);
                 rgb[k] = mix(rgb[k], fg_rgba.rgb, mask[k] * alpha * fg_rgba.a);

gpu/shaders/ptcl.h

@@ -2,10 +2,6 @@
 
 // Code auto-generated by piet-gpu-derive
 
-struct CmdCircleRef {
-    uint offset;
-};
-
 struct CmdLineRef {
     uint offset;
 };
@@ -50,18 +46,6 @@ struct CmdRef {
     uint offset;
 };
 
-struct CmdCircle {
-    vec2 center;
-    float radius;
-    uint rgba_color;
-};
-
-#define CmdCircle_size 16
-
-CmdCircleRef CmdCircle_index(CmdCircleRef ref, uint index) {
-    return CmdCircleRef(ref.offset + index * CmdCircle_size);
-}
-
 struct CmdLine {
     vec2 start;
     vec2 end;
@@ -173,44 +157,22 @@ CmdJumpRef CmdJump_index(CmdJumpRef ref, uint index) {
 }
 
 #define Cmd_End 0
-#define Cmd_Circle 1
-#define Cmd_Line 2
-#define Cmd_Fill 3
-#define Cmd_FillImage 4
-#define Cmd_BeginClip 5
-#define Cmd_BeginSolidClip 6
-#define Cmd_EndClip 7
-#define Cmd_Stroke 8
-#define Cmd_Solid 9
-#define Cmd_SolidImage 10
-#define Cmd_Jump 11
+#define Cmd_Line 1
+#define Cmd_Fill 2
+#define Cmd_FillImage 3
+#define Cmd_BeginClip 4
+#define Cmd_BeginSolidClip 5
+#define Cmd_EndClip 6
+#define Cmd_Stroke 7
+#define Cmd_Solid 8
+#define Cmd_SolidImage 9
+#define Cmd_Jump 10
 #define Cmd_size 20
 
 CmdRef Cmd_index(CmdRef ref, uint index) {
     return CmdRef(ref.offset + index * Cmd_size);
 }
 
-CmdCircle CmdCircle_read(Alloc a, CmdCircleRef ref) {
-    uint ix = ref.offset >> 2;
-    uint raw0 = read_mem(a, ix + 0);
-    uint raw1 = read_mem(a, ix + 1);
-    uint raw2 = read_mem(a, ix + 2);
-    uint raw3 = read_mem(a, ix + 3);
-    CmdCircle s;
-    s.center = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
-    s.radius = uintBitsToFloat(raw2);
-    s.rgba_color = raw3;
-    return s;
-}
-
-void CmdCircle_write(Alloc a, CmdCircleRef ref, CmdCircle s) {
-    uint ix = ref.offset >> 2;
-    write_mem(a, ix + 0, floatBitsToUint(s.center.x));
-    write_mem(a, ix + 1, floatBitsToUint(s.center.y));
-    write_mem(a, ix + 2, floatBitsToUint(s.radius));
-    write_mem(a, ix + 3, s.rgba_color);
-}
-
 CmdLine CmdLine_read(Alloc a, CmdLineRef ref) {
     uint ix = ref.offset >> 2;
     uint raw0 = read_mem(a, ix + 0);
@@ -379,10 +341,6 @@ uint Cmd_tag(Alloc a, CmdRef ref) {
     return read_mem(a, ref.offset >> 2);
 }
 
-CmdCircle Cmd_Circle_read(Alloc a, CmdRef ref) {
-    return CmdCircle_read(a, CmdCircleRef(ref.offset + 4));
-}
-
 CmdLine Cmd_Line_read(Alloc a, CmdRef ref) {
     return CmdLine_read(a, CmdLineRef(ref.offset + 4));
 }
@@ -427,11 +385,6 @@ void Cmd_End_write(Alloc a, CmdRef ref) {
     write_mem(a, ref.offset >> 2, Cmd_End);
 }
 
-void Cmd_Circle_write(Alloc a, CmdRef ref, CmdCircle s) {
-    write_mem(a, ref.offset >> 2, Cmd_Circle);
-    CmdCircle_write(a, CmdCircleRef(ref.offset + 4), s);
-}
-
 void Cmd_Line_write(Alloc a, CmdRef ref, CmdLine s) {
     write_mem(a, ref.offset >> 2, Cmd_Line);
     CmdLine_write(a, CmdLineRef(ref.offset + 4), s);