add runtime color filter support to platform
Flag: com.android.graphics.hwui.flags.runtime_color_filters_blenders
Test: atest CtsUiRenderingTestCases:RuntimeColorFilterTests
Bug: b/358126864
Change-Id: If569957489f5352455c419074219125f6e9cc43e
diff --git a/libs/hwui/jni/RuntimeEffectUtils.cpp b/libs/hwui/jni/RuntimeEffectUtils.cpp
new file mode 100644
index 0000000..46db863
--- /dev/null
+++ b/libs/hwui/jni/RuntimeEffectUtils.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "RuntimeEffectUtils.h"
+
+#include "include/effects/SkRuntimeEffect.h"
+
+namespace android {
+namespace uirenderer {
+
+static inline int ThrowIAEFmt(JNIEnv* env, const char* fmt, ...) {
+ va_list args;
+ va_start(args, fmt);
+ int ret = jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", fmt, args);
+ va_end(args);
+ return ret;
+}
+
+bool isIntUniformType(const SkRuntimeEffect::Uniform::Type& type) {
+ switch (type) {
+ case SkRuntimeEffect::Uniform::Type::kFloat:
+ case SkRuntimeEffect::Uniform::Type::kFloat2:
+ case SkRuntimeEffect::Uniform::Type::kFloat3:
+ case SkRuntimeEffect::Uniform::Type::kFloat4:
+ case SkRuntimeEffect::Uniform::Type::kFloat2x2:
+ case SkRuntimeEffect::Uniform::Type::kFloat3x3:
+ case SkRuntimeEffect::Uniform::Type::kFloat4x4:
+ return false;
+ case SkRuntimeEffect::Uniform::Type::kInt:
+ case SkRuntimeEffect::Uniform::Type::kInt2:
+ case SkRuntimeEffect::Uniform::Type::kInt3:
+ case SkRuntimeEffect::Uniform::Type::kInt4:
+ return true;
+ }
+}
+
+void UpdateFloatUniforms(JNIEnv* env, SkRuntimeEffectBuilder* builder, const char* uniformName,
+ const float values[], int count, bool isColor) {
+ SkRuntimeEffectBuilder::BuilderUniform uniform = builder->uniform(uniformName);
+ if (uniform.fVar == nullptr) {
+ ThrowIAEFmt(env, "unable to find uniform named %s", uniformName);
+ } else if (isColor != ((uniform.fVar->flags & SkRuntimeEffect::Uniform::kColor_Flag) != 0)) {
+ if (isColor) {
+ jniThrowExceptionFmt(
+ env, "java/lang/IllegalArgumentException",
+ "attempting to set a color uniform using the non-color specific APIs: %s %x",
+ uniformName, uniform.fVar->flags);
+ } else {
+ ThrowIAEFmt(env,
+ "attempting to set a non-color uniform using the setColorUniform APIs: %s",
+ uniformName);
+ }
+ } else if (isIntUniformType(uniform.fVar->type)) {
+ ThrowIAEFmt(env, "attempting to set a int uniform using the setUniform APIs: %s",
+ uniformName);
+ } else if (!uniform.set<float>(values, count)) {
+ ThrowIAEFmt(env, "mismatch in byte size for uniform [expected: %zu actual: %zu]",
+ uniform.fVar->sizeInBytes(), sizeof(float) * count);
+ }
+}
+
+void UpdateIntUniforms(JNIEnv* env, SkRuntimeEffectBuilder* builder, const char* uniformName,
+ const int values[], int count) {
+ SkRuntimeEffectBuilder::BuilderUniform uniform = builder->uniform(uniformName);
+ if (uniform.fVar == nullptr) {
+ ThrowIAEFmt(env, "unable to find uniform named %s", uniformName);
+ } else if (!isIntUniformType(uniform.fVar->type)) {
+ ThrowIAEFmt(env, "attempting to set a non-int uniform using the setIntUniform APIs: %s",
+ uniformName);
+ } else if (!uniform.set<int>(values, count)) {
+ ThrowIAEFmt(env, "mismatch in byte size for uniform [expected: %zu actual: %zu]",
+ uniform.fVar->sizeInBytes(), sizeof(float) * count);
+ }
+}
+
+void UpdateChild(JNIEnv* env, SkRuntimeEffectBuilder* builder, const char* childName,
+ SkFlattenable* childEffect) {
+ SkRuntimeShaderBuilder::BuilderChild builderChild = builder->child(childName);
+ if (builderChild.fChild == nullptr) {
+ ThrowIAEFmt(env, "unable to find shader named %s", childName);
+ return;
+ }
+
+ builderChild = sk_ref_sp(childEffect);
+}
+
+} // namespace uirenderer
+} // namespace android
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