public VideoTextures(ITexture luma, ITexture chroma)
{
m_luma = luma;
m_chroma = chroma;
this.luma = luma.GetDefaultView(TextureViewType.ShaderResource);
this.chroma = chroma.GetDefaultView(TextureViewType.ShaderResource);
}
public Nv12Texture(ITexture texture)
{
this.texture = texture;
view = texture.GetDefaultView(TextureViewType.ShaderResource);
if (null == view)
{
throw new ApplicationException("The NV12 texture doesn't have a shader resource view");
}
}
// SavePngFrames savePng;
protected override ITextureView createOutputTexture(IRenderDevice device, TextureFormat format, CSize size)
{
outputSize = size;
TextureDesc desc = new TextureDesc(false)
{
Type = ResourceDimension.Tex2d,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget,
Format = format,
Size = size
};
frameTexture = device.CreateTexture(ref desc, $"Video frame RGB");
frameRtv = frameTexture.GetDefaultView(TextureViewType.RenderTarget);
rgbFormat = format;
// savePng = new SavePngFrames();
return(frameTexture.GetDefaultView(TextureViewType.ShaderResource));
}
public PaletteTexture(Context context)
{
this.context = context;
var desc = textureDesc(1);
using (var dev = context.device)
texture = dev.CreateTexture(ref desc, "Palette");
m_textureView = texture.GetDefaultView(TextureViewType.ShaderResource);
textureRows = 1;
// Add just a few hardcoded colors, with names matching eNamedColor enum
Palette.PredefinedPaletteEntries.initPalette(colorIndices);
}
static ITextureView loadBmp(IRenderDevice device, byte[] payload, ref BITMAPINFOHEADER header, CSize size, out bool monochrome)
{
if (header.biWidth != size.cx)
{
throw new ArgumentException("Size in BMP doesn't match");
}
uint[] rgba;
if (header.biCompression == BitmapCompressionMode.BI_RGB && header.biHeight == size.cy * 2)
{
if (header.biBitCount == 32)
{
monochrome = false;
rgba = decodeRgbIcon(payload, size);
}
else if (header.biBitCount == 1)
{
monochrome = true;
return(Monochrome.load(device, payload, size));
}
else
{
throw new NotImplementedException();
}
}
else
{
throw new NotImplementedException();
}
TextureDesc desc = new TextureDesc(false);
desc.Type = ResourceDimension.Tex2d;
desc.Size = size;
if (RuntimeEnvironment.operatingSystem == eOperatingSystem.Windows)
{
desc.Format = TextureFormat.Bgra8Unorm;
}
else
{
desc.Format = TextureFormat.Rgba8Unorm;
GraphicsUtils.swapRedBlueChannels(rgba);
}
desc.Usage = Usage.Static;
desc.BindFlags = BindFlags.ShaderResource;
ITexture texture = device.CreateTexture(ref desc, rgba, size.cx * 4, "Mouse cursor");
return(texture.GetDefaultView(TextureViewType.ShaderResource));
}
public static ITextureView load(IRenderDevice device, byte[] payload, CSize size)
{
byte[] data = decodeMonochromeIcon(payload, size);
TextureDesc desc = new TextureDesc(false);
desc.Type = ResourceDimension.Tex2d;
desc.Size = size;
desc.Format = TextureFormat.R8Unorm;
desc.Usage = Usage.Static;
desc.BindFlags = BindFlags.ShaderResource;
ITexture texture = device.CreateTexture(ref desc, data, size.cx, "Monochrome cursor");
return(texture.GetDefaultView(TextureViewType.ShaderResource));
}
public void blend(Context context, ITextureView destRgb, ITextureView destDepth, Blender blender)
{
// BTW, the ability to read from multi-sampled textures appeared in GLES 3.1, just in time:
// https://www.khronos.org/registry/OpenGL-Refpages/es3.1/html/texelFetch.xhtml
if (null == blenderBinding)
{
using (var resourceView = texture.GetDefaultView(TextureViewType.ShaderResource))
blenderBinding = blender.bindSource(resourceView);
}
var ic = context.context;
ic.SetRenderTarget(destRgb, destDepth);
blender.blend(ic, blenderBinding);
}
public RenderTarget(Context context, CSize size, TextureFormat format, int sampleCount, string name)
{
this.size = size;
TextureDesc desc = new TextureDesc(false);
desc.Type = ResourceDimension.Tex2d;
desc.Size = size;
desc.Format = format;
desc.SampleCount = (uint)sampleCount;
desc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
using (var device = context.renderContext.device)
texture = device.CreateTexture(ref desc, name);
targetView = texture.GetDefaultView(TextureViewType.RenderTarget);
}
