1 files changed, 278 insertions, 0 deletions
diff --git a/vendor/gioui.org/shader/piet/ptcl.h b/vendor/gioui.org/shader/piet/ptcl.h
new file mode 100644
index 0000000..6267fc5
--- /dev/null
+++ b/vendor/gioui.org/shader/piet/ptcl.h
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense
+
+// Code auto-generated by piet-gpu-derive
+
+struct CmdStrokeRef {
+    uint offset;
+};
+
+struct CmdFillRef {
+    uint offset;
+};
+
+struct CmdColorRef {
+    uint offset;
+};
+
+struct CmdImageRef {
+    uint offset;
+};
+
+struct CmdAlphaRef {
+    uint offset;
+};
+
+struct CmdJumpRef {
+    uint offset;
+};
+
+struct CmdRef {
+    uint offset;
+};
+
+struct CmdStroke {
+    uint tile_ref;
+    float half_width;
+};
+
+#define CmdStroke_size 8
+
+CmdStrokeRef CmdStroke_index(CmdStrokeRef ref, uint index) {
+    return CmdStrokeRef(ref.offset + index * CmdStroke_size);
+}
+
+struct CmdFill {
+    uint tile_ref;
+    int backdrop;
+};
+
+#define CmdFill_size 8
+
+CmdFillRef CmdFill_index(CmdFillRef ref, uint index) {
+    return CmdFillRef(ref.offset + index * CmdFill_size);
+}
+
+struct CmdColor {
+    uint rgba_color;
+};
+
+#define CmdColor_size 4
+
+CmdColorRef CmdColor_index(CmdColorRef ref, uint index) {
+    return CmdColorRef(ref.offset + index * CmdColor_size);
+}
+
+struct CmdImage {
+    uint index;
+    ivec2 offset;
+};
+
+#define CmdImage_size 8
+
+CmdImageRef CmdImage_index(CmdImageRef ref, uint index) {
+    return CmdImageRef(ref.offset + index * CmdImage_size);
+}
+
+struct CmdAlpha {
+    float alpha;
+};
+
+#define CmdAlpha_size 4
+
+CmdAlphaRef CmdAlpha_index(CmdAlphaRef ref, uint index) {
+    return CmdAlphaRef(ref.offset + index * CmdAlpha_size);
+}
+
+struct CmdJump {
+    uint new_ref;
+};
+
+#define CmdJump_size 4
+
+CmdJumpRef CmdJump_index(CmdJumpRef ref, uint index) {
+    return CmdJumpRef(ref.offset + index * CmdJump_size);
+}
+
+#define Cmd_End 0
+#define Cmd_Fill 1
+#define Cmd_Stroke 2
+#define Cmd_Solid 3
+#define Cmd_Alpha 4
+#define Cmd_Color 5
+#define Cmd_Image 6
+#define Cmd_BeginClip 7
+#define Cmd_EndClip 8
+#define Cmd_Jump 9
+#define Cmd_size 12
+
+CmdRef Cmd_index(CmdRef ref, uint index) {
+    return CmdRef(ref.offset + index * Cmd_size);
+}
+
+struct CmdTag {
+   uint tag;
+   uint flags;
+};
+
+CmdStroke CmdStroke_read(Alloc a, CmdStrokeRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = read_mem(a, ix + 0);
+    uint raw1 = read_mem(a, ix + 1);
+    CmdStroke s;
+    s.tile_ref = raw0;
+    s.half_width = uintBitsToFloat(raw1);
+    return s;
+}
+
+void CmdStroke_write(Alloc a, CmdStrokeRef ref, CmdStroke s) {
+    uint ix = ref.offset >> 2;
+    write_mem(a, ix + 0, s.tile_ref);
+    write_mem(a, ix + 1, floatBitsToUint(s.half_width));
+}
+
+CmdFill CmdFill_read(Alloc a, CmdFillRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = read_mem(a, ix + 0);
+    uint raw1 = read_mem(a, ix + 1);
+    CmdFill s;
+    s.tile_ref = raw0;
+    s.backdrop = int(raw1);
+    return s;
+}
+
+void CmdFill_write(Alloc a, CmdFillRef ref, CmdFill s) {
+    uint ix = ref.offset >> 2;
+    write_mem(a, ix + 0, s.tile_ref);
+    write_mem(a, ix + 1, uint(s.backdrop));
+}
+
+CmdColor CmdColor_read(Alloc a, CmdColorRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = read_mem(a, ix + 0);
+    CmdColor s;
+    s.rgba_color = raw0;
+    return s;
+}
+
+void CmdColor_write(Alloc a, CmdColorRef ref, CmdColor s) {
+    uint ix = ref.offset >> 2;
+    write_mem(a, ix + 0, s.rgba_color);
+}
+
+CmdImage CmdImage_read(Alloc a, CmdImageRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = read_mem(a, ix + 0);
+    uint raw1 = read_mem(a, ix + 1);
+    CmdImage s;
+    s.index = raw0;
+    s.offset = ivec2(int(raw1 << 16) >> 16, int(raw1) >> 16);
+    return s;
+}
+
+void CmdImage_write(Alloc a, CmdImageRef ref, CmdImage s) {
+    uint ix = ref.offset >> 2;
+    write_mem(a, ix + 0, s.index);
+    write_mem(a, ix + 1, (uint(s.offset.x) & 0xffff) | (uint(s.offset.y) << 16));
+}
+
+CmdAlpha CmdAlpha_read(Alloc a, CmdAlphaRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = read_mem(a, ix + 0);
+    CmdAlpha s;
+    s.alpha = uintBitsToFloat(raw0);
+    return s;
+}
+
+void CmdAlpha_write(Alloc a, CmdAlphaRef ref, CmdAlpha s) {
+    uint ix = ref.offset >> 2;
+    write_mem(a, ix + 0, floatBitsToUint(s.alpha));
+}
+
+CmdJump CmdJump_read(Alloc a, CmdJumpRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = read_mem(a, ix + 0);
+    CmdJump s;
+    s.new_ref = raw0;
+    return s;
+}
+
+void CmdJump_write(Alloc a, CmdJumpRef ref, CmdJump s) {
+    uint ix = ref.offset >> 2;
+    write_mem(a, ix + 0, s.new_ref);
+}
+
+CmdTag Cmd_tag(Alloc a, CmdRef ref) {
+    uint tag_and_flags = read_mem(a, ref.offset >> 2);
+    return CmdTag(tag_and_flags & 0xffff, tag_and_flags >> 16);
+}
+
+CmdFill Cmd_Fill_read(Alloc a, CmdRef ref) {
+    return CmdFill_read(a, CmdFillRef(ref.offset + 4));
+}
+
+CmdStroke Cmd_Stroke_read(Alloc a, CmdRef ref) {
+    return CmdStroke_read(a, CmdStrokeRef(ref.offset + 4));
+}
+
+CmdAlpha Cmd_Alpha_read(Alloc a, CmdRef ref) {
+    return CmdAlpha_read(a, CmdAlphaRef(ref.offset + 4));
+}
+
+CmdColor Cmd_Color_read(Alloc a, CmdRef ref) {
+    return CmdColor_read(a, CmdColorRef(ref.offset + 4));
+}
+
+CmdImage Cmd_Image_read(Alloc a, CmdRef ref) {
+    return CmdImage_read(a, CmdImageRef(ref.offset + 4));
+}
+
+CmdJump Cmd_Jump_read(Alloc a, CmdRef ref) {
+    return CmdJump_read(a, CmdJumpRef(ref.offset + 4));
+}
+
+void Cmd_End_write(Alloc a, CmdRef ref) {
+    write_mem(a, ref.offset >> 2, Cmd_End);
+}
+
+void Cmd_Fill_write(Alloc a, CmdRef ref, CmdFill s) {
+    write_mem(a, ref.offset >> 2, Cmd_Fill);
+    CmdFill_write(a, CmdFillRef(ref.offset + 4), s);
+}
+
+void Cmd_Stroke_write(Alloc a, CmdRef ref, CmdStroke s) {
+    write_mem(a, ref.offset >> 2, Cmd_Stroke);
+    CmdStroke_write(a, CmdStrokeRef(ref.offset + 4), s);
+}
+
+void Cmd_Solid_write(Alloc a, CmdRef ref) {
+    write_mem(a, ref.offset >> 2, Cmd_Solid);
+}
+
+void Cmd_Alpha_write(Alloc a, CmdRef ref, CmdAlpha s) {
+    write_mem(a, ref.offset >> 2, Cmd_Alpha);
+    CmdAlpha_write(a, CmdAlphaRef(ref.offset + 4), s);
+}
+
+void Cmd_Color_write(Alloc a, CmdRef ref, CmdColor s) {
+    write_mem(a, ref.offset >> 2, Cmd_Color);
+    CmdColor_write(a, CmdColorRef(ref.offset + 4), s);
+}
+
+void Cmd_Image_write(Alloc a, CmdRef ref, CmdImage s) {
+    write_mem(a, ref.offset >> 2, Cmd_Image);
+    CmdImage_write(a, CmdImageRef(ref.offset + 4), s);
+}
+
+void Cmd_BeginClip_write(Alloc a, CmdRef ref) {
+    write_mem(a, ref.offset >> 2, Cmd_BeginClip);
+}
+
+void Cmd_EndClip_write(Alloc a, CmdRef ref) {
+    write_mem(a, ref.offset >> 2, Cmd_EndClip);
+}
+
+void Cmd_Jump_write(Alloc a, CmdRef ref, CmdJump s) {
+    write_mem(a, ref.offset >> 2, Cmd_Jump);
+    CmdJump_write(a, CmdJumpRef(ref.offset + 4), s);
+}
+