bc44fa0fa8
The old API was a shim over the new API, and will be deleted soon. The new API is actually public, simpler, and more powerful. Test: Everything still builds. Change-Id: I11af8da9132e23a070e87dd5a7401c4854dd102a
91 lines
3.1 KiB
Java
91 lines
3.1 KiB
Java
/*
|
|
* Copyright 2019 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.
|
|
*/
|
|
|
|
package android.graphics;
|
|
|
|
import android.annotation.NonNull;
|
|
import android.annotation.Nullable;
|
|
|
|
import libcore.util.NativeAllocationRegistry;
|
|
|
|
/**
|
|
* Shader that calculates pixel output with a program (fragment shader) running on a GPU.
|
|
* @hide
|
|
*/
|
|
public class RuntimeShader extends Shader {
|
|
|
|
private static class NoImagePreloadHolder {
|
|
public static final NativeAllocationRegistry sRegistry =
|
|
NativeAllocationRegistry.createMalloced(
|
|
RuntimeShader.class.getClassLoader(), nativeGetFinalizer());
|
|
}
|
|
|
|
private byte[] mUniforms;
|
|
private boolean mIsOpaque;
|
|
|
|
/**
|
|
* Current native shader factory instance.
|
|
*/
|
|
private long mNativeInstanceRuntimeShaderFactory;
|
|
|
|
/**
|
|
* Creates a new RuntimeShader.
|
|
*
|
|
* @param sksl The text of SKSL program to run on the GPU.
|
|
* @param uniforms Array of parameters passed by the SKSL shader. Array size depends
|
|
* on number of uniforms declared by sksl.
|
|
* @param isOpaque True if all pixels have alpha 1.0f.
|
|
*/
|
|
public RuntimeShader(@NonNull String sksl, @Nullable byte[] uniforms, boolean isOpaque) {
|
|
this(sksl, uniforms, isOpaque, ColorSpace.get(ColorSpace.Named.SRGB));
|
|
}
|
|
|
|
private RuntimeShader(@NonNull String sksl, @Nullable byte[] uniforms, boolean isOpaque,
|
|
ColorSpace colorSpace) {
|
|
super(colorSpace);
|
|
mUniforms = uniforms;
|
|
mIsOpaque = isOpaque;
|
|
mNativeInstanceRuntimeShaderFactory = nativeCreateShaderFactory(sksl);
|
|
NoImagePreloadHolder.sRegistry.registerNativeAllocation(this,
|
|
mNativeInstanceRuntimeShaderFactory);
|
|
}
|
|
|
|
/**
|
|
* Sets new value for shader parameters.
|
|
*
|
|
* @param uniforms Array of parameters passed by the SKSL shader. Array size depends
|
|
* on number of uniforms declared by mSksl.
|
|
*/
|
|
public void updateUniforms(@Nullable byte[] uniforms) {
|
|
mUniforms = uniforms;
|
|
discardNativeInstance();
|
|
}
|
|
|
|
@Override
|
|
long createNativeInstance(long nativeMatrix) {
|
|
return nativeCreate(mNativeInstanceRuntimeShaderFactory, nativeMatrix, mUniforms,
|
|
colorSpace().getNativeInstance(), mIsOpaque);
|
|
}
|
|
|
|
private static native long nativeCreate(long shaderFactory, long matrix, byte[] inputs,
|
|
long colorSpaceHandle, boolean isOpaque);
|
|
|
|
private static native long nativeCreateShaderFactory(String sksl);
|
|
|
|
private static native long nativeGetFinalizer();
|
|
}
|
|
|