1 files changed, 313 insertions, 0 deletions
diff --git a/vendor/gioui.org/shader/piet/scene.h b/vendor/gioui.org/shader/piet/scene.h
new file mode 100644
index 0000000..38c2549
--- /dev/null
+++ b/vendor/gioui.org/shader/piet/scene.h
@@ -0,0 +1,313 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense
+
+// Code auto-generated by piet-gpu-derive
+
+struct LineSegRef {
+    uint offset;
+};
+
+struct QuadSegRef {
+    uint offset;
+};
+
+struct CubicSegRef {
+    uint offset;
+};
+
+struct FillColorRef {
+    uint offset;
+};
+
+struct FillImageRef {
+    uint offset;
+};
+
+struct SetLineWidthRef {
+    uint offset;
+};
+
+struct TransformRef {
+    uint offset;
+};
+
+struct ClipRef {
+    uint offset;
+};
+
+struct SetFillModeRef {
+    uint offset;
+};
+
+struct ElementRef {
+    uint offset;
+};
+
+struct LineSeg {
+    vec2 p0;
+    vec2 p1;
+};
+
+#define LineSeg_size 16
+
+LineSegRef LineSeg_index(LineSegRef ref, uint index) {
+    return LineSegRef(ref.offset + index * LineSeg_size);
+}
+
+struct QuadSeg {
+    vec2 p0;
+    vec2 p1;
+    vec2 p2;
+};
+
+#define QuadSeg_size 24
+
+QuadSegRef QuadSeg_index(QuadSegRef ref, uint index) {
+    return QuadSegRef(ref.offset + index * QuadSeg_size);
+}
+
+struct CubicSeg {
+    vec2 p0;
+    vec2 p1;
+    vec2 p2;
+    vec2 p3;
+};
+
+#define CubicSeg_size 32
+
+CubicSegRef CubicSeg_index(CubicSegRef ref, uint index) {
+    return CubicSegRef(ref.offset + index * CubicSeg_size);
+}
+
+struct FillColor {
+    uint rgba_color;
+};
+
+#define FillColor_size 4
+
+FillColorRef FillColor_index(FillColorRef ref, uint index) {
+    return FillColorRef(ref.offset + index * FillColor_size);
+}
+
+struct FillImage {
+    uint index;
+    ivec2 offset;
+};
+
+#define FillImage_size 8
+
+FillImageRef FillImage_index(FillImageRef ref, uint index) {
+    return FillImageRef(ref.offset + index * FillImage_size);
+}
+
+struct SetLineWidth {
+    float width;
+};
+
+#define SetLineWidth_size 4
+
+SetLineWidthRef SetLineWidth_index(SetLineWidthRef ref, uint index) {
+    return SetLineWidthRef(ref.offset + index * SetLineWidth_size);
+}
+
+struct Transform {
+    vec4 mat;
+    vec2 translate;
+};
+
+#define Transform_size 24
+
+TransformRef Transform_index(TransformRef ref, uint index) {
+    return TransformRef(ref.offset + index * Transform_size);
+}
+
+struct Clip {
+    vec4 bbox;
+};
+
+#define Clip_size 16
+
+ClipRef Clip_index(ClipRef ref, uint index) {
+    return ClipRef(ref.offset + index * Clip_size);
+}
+
+struct SetFillMode {
+    uint fill_mode;
+};
+
+#define SetFillMode_size 4
+
+SetFillModeRef SetFillMode_index(SetFillModeRef ref, uint index) {
+    return SetFillModeRef(ref.offset + index * SetFillMode_size);
+}
+
+#define Element_Nop 0
+#define Element_Line 1
+#define Element_Quad 2
+#define Element_Cubic 3
+#define Element_FillColor 4
+#define Element_SetLineWidth 5
+#define Element_Transform 6
+#define Element_BeginClip 7
+#define Element_EndClip 8
+#define Element_FillImage 9
+#define Element_SetFillMode 10
+#define Element_size 36
+
+ElementRef Element_index(ElementRef ref, uint index) {
+    return ElementRef(ref.offset + index * Element_size);
+}
+
+struct ElementTag {
+   uint tag;
+   uint flags;
+};
+
+LineSeg LineSeg_read(LineSegRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    uint raw1 = scene[ix + 1];
+    uint raw2 = scene[ix + 2];
+    uint raw3 = scene[ix + 3];
+    LineSeg s;
+    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
+    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
+    return s;
+}
+
+QuadSeg QuadSeg_read(QuadSegRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    uint raw1 = scene[ix + 1];
+    uint raw2 = scene[ix + 2];
+    uint raw3 = scene[ix + 3];
+    uint raw4 = scene[ix + 4];
+    uint raw5 = scene[ix + 5];
+    QuadSeg s;
+    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
+    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
+    s.p2 = vec2(uintBitsToFloat(raw4), uintBitsToFloat(raw5));
+    return s;
+}
+
+CubicSeg CubicSeg_read(CubicSegRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    uint raw1 = scene[ix + 1];
+    uint raw2 = scene[ix + 2];
+    uint raw3 = scene[ix + 3];
+    uint raw4 = scene[ix + 4];
+    uint raw5 = scene[ix + 5];
+    uint raw6 = scene[ix + 6];
+    uint raw7 = scene[ix + 7];
+    CubicSeg s;
+    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
+    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
+    s.p2 = vec2(uintBitsToFloat(raw4), uintBitsToFloat(raw5));
+    s.p3 = vec2(uintBitsToFloat(raw6), uintBitsToFloat(raw7));
+    return s;
+}
+
+FillColor FillColor_read(FillColorRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    FillColor s;
+    s.rgba_color = raw0;
+    return s;
+}
+
+FillImage FillImage_read(FillImageRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    uint raw1 = scene[ix + 1];
+    FillImage s;
+    s.index = raw0;
+    s.offset = ivec2(int(raw1 << 16) >> 16, int(raw1) >> 16);
+    return s;
+}
+
+SetLineWidth SetLineWidth_read(SetLineWidthRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    SetLineWidth s;
+    s.width = uintBitsToFloat(raw0);
+    return s;
+}
+
+Transform Transform_read(TransformRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    uint raw1 = scene[ix + 1];
+    uint raw2 = scene[ix + 2];
+    uint raw3 = scene[ix + 3];
+    uint raw4 = scene[ix + 4];
+    uint raw5 = scene[ix + 5];
+    Transform s;
+    s.mat = vec4(uintBitsToFloat(raw0), uintBitsToFloat(raw1), uintBitsToFloat(raw2), uintBitsToFloat(raw3));
+    s.translate = vec2(uintBitsToFloat(raw4), uintBitsToFloat(raw5));
+    return s;
+}
+
+Clip Clip_read(ClipRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    uint raw1 = scene[ix + 1];
+    uint raw2 = scene[ix + 2];
+    uint raw3 = scene[ix + 3];
+    Clip s;
+    s.bbox = vec4(uintBitsToFloat(raw0), uintBitsToFloat(raw1), uintBitsToFloat(raw2), uintBitsToFloat(raw3));
+    return s;
+}
+
+SetFillMode SetFillMode_read(SetFillModeRef ref) {
+    uint ix = ref.offset >> 2;
+    uint raw0 = scene[ix + 0];
+    SetFillMode s;
+    s.fill_mode = raw0;
+    return s;
+}
+
+ElementTag Element_tag(ElementRef ref) {
+    uint tag_and_flags = scene[ref.offset >> 2];
+    return ElementTag(tag_and_flags & 0xffff, tag_and_flags >> 16);
+}
+
+LineSeg Element_Line_read(ElementRef ref) {
+    return LineSeg_read(LineSegRef(ref.offset + 4));
+}
+
+QuadSeg Element_Quad_read(ElementRef ref) {
+    return QuadSeg_read(QuadSegRef(ref.offset + 4));
+}
+
+CubicSeg Element_Cubic_read(ElementRef ref) {
+    return CubicSeg_read(CubicSegRef(ref.offset + 4));
+}
+
+FillColor Element_FillColor_read(ElementRef ref) {
+    return FillColor_read(FillColorRef(ref.offset + 4));
+}
+
+SetLineWidth Element_SetLineWidth_read(ElementRef ref) {
+    return SetLineWidth_read(SetLineWidthRef(ref.offset + 4));
+}
+
+Transform Element_Transform_read(ElementRef ref) {
+    return Transform_read(TransformRef(ref.offset + 4));
+}
+
+Clip Element_BeginClip_read(ElementRef ref) {
+    return Clip_read(ClipRef(ref.offset + 4));
+}
+
+Clip Element_EndClip_read(ElementRef ref) {
+    return Clip_read(ClipRef(ref.offset + 4));
+}
+
+FillImage Element_FillImage_read(ElementRef ref) {
+    return FillImage_read(FillImageRef(ref.offset + 4));
+}
+
+SetFillMode Element_SetFillMode_read(ElementRef ref) {
+    return SetFillMode_read(SetFillModeRef(ref.offset + 4));
+}
+