protected BatchBase(GraphicsDevice device, Shaders.EffectBytecode defaultEffectByteCode, ResourceBufferInfo resourceBufferInfo, VertexDeclaration vertexDeclaration, int indexSize = sizeof(short))
{
if (resourceBufferInfo == null)
{
throw new ArgumentNullException("resourceBufferInfo");
}
if (vertexDeclaration == null)
{
throw new ArgumentNullException("vertexDeclaration");
}
GraphicsDevice = device;
DefaultEffect = new Effect(device, defaultEffectByteCode)
{
Name = "BatchDefaultEffect"
};
drawsQueue = new ElementInfo[resourceBufferInfo.BatchCapacity];
drawTextures = new DrawTextures[resourceBufferInfo.BatchCapacity];
TextureComparer = new TextureIdComparer();
BackToFrontComparer = new SpriteBackToFrontComparer();
FrontToBackComparer = new SpriteFrontToBackComparer();
// set the vertex layout and size
indexStructSize = indexSize;
this.vertexDeclaration = vertexDeclaration;
vertexStructSize = vertexDeclaration.CalculateSize();
parameters = new ParameterCollection();
// Creates the vertex buffer (shared by within a device context).
ResourceContext = GraphicsDevice.GetOrCreateSharedData(GraphicsDeviceSharedDataType.PerContext, resourceBufferInfo.ResourceKey, () => new DeviceResourceContext(GraphicsDevice, DefaultEffect, vertexDeclaration, resourceBufferInfo, indexStructSize));
}
public void RecreateBuffers(GraphicsDevice graphicsDevice)
{
if (requiredQuads == 0)
{
ResourceContext?.Dispose();
ResourceContext = null;
}
else
{
ResourceContext?.Dispose();
ResourceContext = new DeviceResourceContext(graphicsDevice, VertexDeclaration, requiredQuads * verticesPerQuad, indexStructSize, requiredQuads * IndicesPerQuad);
}
}
public void RecreateBuffers(GraphicsDevice graphicsDevice)
{
if (requiredQuads == 0)
{
ResourceContext?.Dispose();
ResourceContext = null;
}
else
{
ResourceContext?.Dispose();
ResourceContext = new DeviceResourceContext(graphicsDevice, VertexDeclaration, requiredQuads * verticesPerQuad, indexStructSize, requiredQuads * IndicesPerQuad);
}
// The default assumption is that every particle defines a separate segment and no segments are shared
SetVerticesPerSegment(verticesPerParticle, verticesPerParticle, verticesPerParticle);
}
protected BatchBase(GraphicsDevice device, EffectBytecode defaultEffectByteCode, EffectBytecode defaultEffectByteCodeSRgb, ResourceBufferInfo resourceBufferInfo, VertexDeclaration vertexDeclaration, int indexSize = sizeof(short))
{
if (defaultEffectByteCode == null)
{
throw new ArgumentNullException(nameof(defaultEffectByteCode));
}
if (defaultEffectByteCodeSRgb == null)
{
throw new ArgumentNullException(nameof(defaultEffectByteCodeSRgb));
}
if (resourceBufferInfo == null)
{
throw new ArgumentNullException("resourceBufferInfo");
}
if (vertexDeclaration == null)
{
throw new ArgumentNullException("vertexDeclaration");
}
graphicsDevice = device;
mutablePipeline = new MutablePipelineState(device);
// TODO GRAPHICS REFACTOR Should we initialize FX lazily?
DefaultEffect = new EffectInstance(new Effect(device, defaultEffectByteCode)
{
Name = "BatchDefaultEffect"
});
DefaultEffectSRgb = new EffectInstance(new Effect(device, defaultEffectByteCodeSRgb)
{
Name = "BatchDefaultEffectSRgb"
});
drawsQueue = new ElementInfo[resourceBufferInfo.BatchCapacity];
drawTextures = new Texture[resourceBufferInfo.BatchCapacity];
TextureComparer = new TextureIdComparer();
BackToFrontComparer = new SpriteBackToFrontComparer();
FrontToBackComparer = new SpriteFrontToBackComparer();
// set the vertex layout and size
indexStructSize = indexSize;
vertexStructSize = vertexDeclaration.CalculateSize();
// Creates the vertex buffer (shared by within a device context).
ResourceContext = graphicsDevice.GetOrCreateSharedData(GraphicsDeviceSharedDataType.PerContext, resourceBufferInfo.ResourceKey, d => new DeviceResourceContext(graphicsDevice, vertexDeclaration, resourceBufferInfo));
}
/// <summary>
/// Initiates a new vertex and index buffers
/// </summary>
/// <param name="device"><see cref="GraphicsDevice"/> to use</param>
/// <param name="vertexCount">Required vertices count. Stride is estimated from the vertex declaration</param>
/// <param name="indexCount">Required indices count. Stride is automatically estimated</param>
private unsafe void InitBuffer(GraphicsDevice device, int vertexCount, int indexCount)
{
resourceContext = new DeviceResourceContext(device, VertexDeclaration, vertexCount, indexStructSize, indexCount);
vertexStructSize = VertexDeclaration.VertexStride;
var mappedIndices = device.MapSubresource(resourceContext.IndexBuffer, 0, MapMode.WriteDiscard, false, 0, indexCount * indexStructSize);
var indexPointer = mappedIndices.DataBox.DataPointer;
var k = 0;
for (var i = 0; i < indexCount; k += verticesPerQuad)
{
*(short *)(indexPointer + indexStructSize * i++) = (short)(k + 0);
*(short *)(indexPointer + indexStructSize * i++) = (short)(k + 1);
*(short *)(indexPointer + indexStructSize * i++) = (short)(k + 2);
*(short *)(indexPointer + indexStructSize * i++) = (short)(k + 0);
*(short *)(indexPointer + indexStructSize * i++) = (short)(k + 2);
*(short *)(indexPointer + indexStructSize * i++) = (short)(k + 3);
}
device.UnmapSubresource(mappedIndices);
}
