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• BackendRenderTarget.kt

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commonMain.org.jetbrains.skia.BackendRenderTarget.kt Maven / Gradle / Ivy

package org.jetbrains.skia

import org.jetbrains.skia.impl.Library.Companion.staticLoad
import org.jetbrains.skia.impl.Managed
import org.jetbrains.skia.impl.NativePointer
import org.jetbrains.skia.impl.Stats

class BackendRenderTarget internal constructor(ptr: NativePointer) : Managed(ptr, _FinalizerHolder.PTR) {
    companion object {
        fun makeGL(
            width: Int,
            height: Int,
            sampleCnt: Int,
            stencilBits: Int,
            fbId: Int,
            fbFormat: Int
        ): BackendRenderTarget {
            Stats.onNativeCall()
            return BackendRenderTarget(
                _nMakeGL(
                    width,
                    height,
                    sampleCnt,
                    stencilBits,
                    fbId,
                    fbFormat
                )
            )
        }

        fun makeMetal(width: Int, height: Int, texturePtr: NativePointer): BackendRenderTarget {
            Stats.onNativeCall()
            return BackendRenderTarget(_nMakeMetal(width, height, texturePtr))
        }

        /**
         *
         * Creates Direct3D backend render target object from D3D12 texture resource.
         *
         * For more information refer to skia GrBackendRenderTarget class.
         *
         * @param width         width of the render target in pixels
         * @param height        height of the render target in pixels
         * @param texturePtr    pointer to ID3D12Resource texture resource object; must be not zero
         * @param format        pixel data DXGI_FORMAT fromat of the texturePtr resource
         * @param sampleCnt     samples count for texture resource
         * @param levelCnt      sampling quality level for texture resource
         */
        fun makeDirect3D(
            width: Int,
            height: Int,
            texturePtr: NativePointer,
            format: Int,
            sampleCnt: Int,
            levelCnt: Int
        ): BackendRenderTarget {
            Stats.onNativeCall()
            return BackendRenderTarget(_nMakeDirect3D(width, height, texturePtr, format, sampleCnt, levelCnt))
        }

        init {
            staticLoad()
        }
    }

    private object _FinalizerHolder {
        val PTR = BackendRenderTarget_nGetFinalizer()
    }
}

@ExternalSymbolName("org_jetbrains_skia_BackendRenderTarget__1nGetFinalizer")
private external fun BackendRenderTarget_nGetFinalizer(): NativePointer

@ExternalSymbolName("org_jetbrains_skia_BackendRenderTarget__1nMakeGL")
private external fun _nMakeGL(width: Int, height: Int, sampleCnt: Int, stencilBits: Int, fbId: Int, fbFormat: Int): NativePointer

@ExternalSymbolName("BackendRenderTarget_nMakeMetal")
private external fun _nMakeMetal(width: Int, height: Int, texturePtr: NativePointer): NativePointer

@ExternalSymbolName("BackendRenderTarget_MakeDirect3D")
private external fun _nMakeDirect3D(
    width: Int,
    height: Int,
    texturePtr: NativePointer,
    format: Int,
    sampleCnt: Int,
    levelCnt: Int
): NativePointer