73 lines
2.3 KiB
C#
73 lines
2.3 KiB
C#
using System;
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using System.IO;
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using RefreshCS;
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namespace Campari
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{
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public class Texture : GraphicsResource
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{
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public uint Height { get; }
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public uint Width { get; }
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public Refresh.ColorFormat Format { get; }
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protected override Action<IntPtr, IntPtr> QueueDestroyFunction => Refresh.Refresh_QueueDestroyTexture;
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public static Texture LoadPNG(RefreshDevice device, FileInfo fileInfo)
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{
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var pixels = Refresh.Refresh_Image_Load(
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fileInfo.FullName,
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out var width,
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out var height,
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out var channels
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);
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Refresh.TextureCreateInfo textureCreateInfo;
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textureCreateInfo.width = (uint) width;
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textureCreateInfo.height = (uint) height;
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textureCreateInfo.depth = 1;
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textureCreateInfo.format = Refresh.ColorFormat.R8G8B8A8;
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textureCreateInfo.isCube = 0;
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textureCreateInfo.levelCount = 1;
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textureCreateInfo.sampleCount = Refresh.SampleCount.One;
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textureCreateInfo.usageFlags = (uint) Refresh.TextureUsageFlagBits.SamplerBit;
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var texture = new Texture(device, ref textureCreateInfo);
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texture.SetData(pixels, (uint) (width * height * 4));
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Refresh.Refresh_Image_Free(pixels);
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return texture;
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}
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public Texture(RefreshDevice device, ref Refresh.TextureCreateInfo textureCreateInfo) : base(device)
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{
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Handle = Refresh.Refresh_CreateTexture(
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device.Handle,
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ref textureCreateInfo
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);
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Format = textureCreateInfo.format;
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}
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public void SetData(IntPtr data, uint dataLengthInBytes)
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{
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Refresh.TextureSlice textureSlice;
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textureSlice.texture = Handle;
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textureSlice.rectangle.x = 0;
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textureSlice.rectangle.y = 0;
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textureSlice.rectangle.w = (int) Width;
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textureSlice.rectangle.h = (int) Height;
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textureSlice.level = 0;
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textureSlice.layer = 0;
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textureSlice.depth = 0;
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Refresh.Refresh_SetTextureData(
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Device.Handle,
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ref textureSlice,
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data,
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dataLengthInBytes
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);
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}
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}
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}
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