Revert "Revert "added GrSkSLFP and converted DitherEffect to use it""

This reverts commit f2030783094e502fb74221077a5ee7cb41287fe4.

Bug: skia:
Change-Id: Icaaa8b3ea652a8f126bfbcc788a360493a7ebe3e
Reviewed-on: https://skia-review.googlesource.com/137391
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/sksl/sksl_pipeline.inc b/src/sksl/sksl_pipeline.inc
new file mode 100644
index 0000000000..f0a2221607
--- /dev/null
+++ b/src/sksl/sksl_pipeline.inc
@@ -0,0 +1,19 @@
+STRINGIFY(
+    // special-cased within the compiler - append takes various arguments depending on what kind of
+    // stage is being appended
+    sk_has_side_effects void append();
+
+    float abs(float x);
+    float sin(float x);
+    float cos(float y);
+    float tan(float x);
+    float sqrt(float x);
+    float clamp(float x, float min, float max);
+    float2 clamp(float2 x, float min, float max);
+    float3 clamp(float3 x, float min, float max);
+    float4 clamp(float4 x, float min, float max);
+    sk_has_side_effects void print(float x);
+    layout(builtin=10009) int sk_x;
+    layout(builtin=10010) int sk_y;
+    layout(builtin=10004) out half4 sk_OutColor;
+)