Remove most uses of ES3Options, in favor of #version 300

Bug: skia:11209
Change-Id: I89d97bce1934a985c1efed602680dd534702a800
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/541072
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>

gm/runtimeintrinsics.cpp

@@ -95,8 +95,9 @@ static SkBitmap draw_shader(SkCanvas* canvas, sk_sp<SkShader> shader,
     'v1' : float2(1)
     'v2' : float2(2)
 */
-static SkString make_unary_sksl_1d(const char* fn) {
+static SkString make_unary_sksl_1d(const char* fn, bool requireES3) {
     return SkStringPrintf(
+            "#version %s\n"
             "uniform float xScale; uniform float xBias;"
             "uniform float yScale; uniform float yBias;"
             "half4 main(float2 p) {"
@@ -109,7 +110,7 @@ static SkString make_unary_sksl_1d(const char* fn) {
             "    float y = float(%s) * yScale + yBias;"
             "    return y.xxx1;"
             "}",
-            fn);
+            requireES3 ? "300" : "100", fn);
 }
 
 // Draws one row of boxes, then advances the canvas translation vertically
@@ -125,9 +126,7 @@ static void plot(SkCanvas* canvas,
 
     draw_label(canvas, label ? label : fn);
 
-    auto [effect, error] = SkRuntimeEffect::MakeForShader(
-            make_unary_sksl_1d(fn),
-            requireES3 ? SkRuntimeEffectPriv::ES3Options() : SkRuntimeEffect::Options{});
+    auto [effect, error] = SkRuntimeEffect::MakeForShader(make_unary_sksl_1d(fn, requireES3));
     if (!effect) {
         SkDebugf("Error: %s\n", error.c_str());
         return;

src/gpu/ganesh/SkGr.cpp

@@ -403,7 +403,7 @@ static std::unique_ptr<GrFragmentProcessor> make_dither_effect(
             // between 0 and alpha to keep the color premultiplied.
             return half4(clamp(color.rgb + value * range, 0.0, color.a), color.a);
         }
-    )", SkRuntimeEffectPriv::ES3Options());
+    )");
     return GrSkSLFP::Make(effect,
                           "Dither",
                           std::move(inputFP),

src/gpu/ganesh/gradients/GrGradientShader.cpp

@@ -277,6 +277,7 @@ static std::unique_ptr<GrFragmentProcessor> make_looping_colorizer(int intervalC
         // chunk` near the end via an @if statement, as the result will always be in chunk 0.
         int loopCount = SkNextLog2(intervalChunks);
         sksl.appendf(R"(
+        #version 300
         uniform half4 thresholds[%d];
         uniform float4 scale[%d];
         uniform float4 bias[%d];
@@ -317,8 +318,7 @@ static std::unique_ptr<GrFragmentProcessor> make_looping_colorizer(int intervalC
             /* loopCount: */ loopCount,
             /* @if (loopCount > 0): */ loopCount);
 
-        auto result = SkRuntimeEffect::MakeForShader(std::move(sksl),
-                                                     SkRuntimeEffectPriv::ES3Options());
+        auto result = SkRuntimeEffect::MakeForShader(std::move(sksl));
         SkASSERTF(result.effect, "%s", result.errorText.c_str());
         cacheEntry->effect = std::move(result.effect);
     });

tests/SkRuntimeEffectTest.cpp

@@ -100,6 +100,17 @@ DEF_TEST(SkRuntimeEffectCanDisableES2Restrictions, r) {
     test_valid_es3     (r, "float f[2] = float[2](0, 1);" EMPTY_MAIN);
 }
 
+DEF_TEST(SkRuntimeEffectCanEnableVersion300, r) {
+    auto test_valid = [](skiatest::Reporter* r, const char* sksl) {
+        auto [effect, errorText] = SkRuntimeEffect::MakeForShader(SkString(sksl));
+        REPORTER_ASSERT(r, effect, "%s", errorText.c_str());
+    };
+
+    test_invalid_effect(r, "#version 100\nfloat f[2] = float[2](0, 1);" EMPTY_MAIN,
+                           "construction of array type");
+    test_valid         (r, "#version 300\nfloat f[2] = float[2](0, 1);" EMPTY_MAIN);
+}
+
 DEF_TEST(SkRuntimeEffectForColorFilter, r) {
     // Tests that the color filter factory rejects or accepts certain SkSL constructs
     auto test_valid = [r](const char* sksl) {