private void RenderMeshInstances(CommandBuffer cmd, MeshRenderer mesh, DeviceBuffer instanceBuffer, uint instanceAmount, uint instanceIndex, RenderContext context)
{
int matIndex = 0;
foreach (var subMesh in mesh.mesh.subMeshes)
{
var material =
mesh.materials.Length == 0
? defaultMaterial
:(matIndex < mesh.materials.Length ? mesh.materials[matIndex] : mesh.materials[0]);
var pipeline = material.GetPipeline();
cmd.UsePipeline(pipeline);
if (pipeline.instanced)
{
cmd.BindVertexBuffer(instanceBuffer, Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID);
cmd.DrawIndexed(subMesh, instanceAmount, instanceIndex - instanceAmount);
}
else
{
//TODO: Non-instanced rendering
}
}
}
private void RenderMeshInstances(CommandBuffer cmd, Mesh mesh, Material material, DeviceBuffer instanceBuffer, uint instanceAmount, uint instanceIndex, RenderContext context)
{
foreach (var subMesh in mesh.subMeshes)
{
var pipeline = material.GetPipeline();
cmd.UsePipeline(pipeline);
if (pipeline.instanced)
{
cmd.BindVertexBuffer(instanceBuffer, Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID);
cmd.DrawIndexed(subMesh, instanceAmount, instanceIndex - instanceAmount);
}
}
}
void recordDraw(CommandBuffer cmd, Framebuffer fb)
{
pipeline.RenderPass.Begin(cmd, fb);
cmd.SetViewport(fb.Width, fb.Height);
cmd.SetScissor(fb.Width, fb.Height);
cmd.BindDescriptorSet(pipeline.Layout, descriptorSet);
pipeline.Bind(cmd);
cmd.BindVertexBuffer(vbo, 0);
cmd.Draw(36);
pipeline.RenderPass.End(cmd);
}
public void Draw(CommandBuffer cmd, PipelineLayout pipelineLayout, Buffer instanceBuf, bool shadowPass = false, params InstancedCmd[] instances)
{
cmd.BindVertexBuffer(instanceBuf, 1);
uint firstInstance = 0;
for (int i = 0; i < instances.Length; i++)
{
foreach (Primitive p in Meshes[instances[i].meshIdx].Primitives)
{
if (!shadowPass)
{
cmd.PushConstant(pipelineLayout, VkShaderStageFlags.Fragment, (int)p.material, (uint)Marshal.SizeOf <Matrix4x4>());
}
cmd.DrawIndexed(p.indexCount, instances[i].count, p.indexBase, p.vertexBase, firstInstance);
}
firstInstance += instances[i].count;
}
}
void recordDraw(CommandBuffer cmd, Framebuffer fb)
{
texture.SetLayout(cmd, VkImageAspectFlags.Color, VkImageLayout.Undefined, VkImageLayout.ShaderReadOnlyOptimal,
VkPipelineStageFlags.BottomOfPipe, VkPipelineStageFlags.FragmentShader);
pipeline.RenderPass.Begin(cmd, fb);
cmd.SetViewport(fb.Width, fb.Height);
cmd.SetScissor(fb.Width, fb.Height);
cmd.BindDescriptorSet(pipeline.Layout, descriptorSet);
pipeline.Bind(cmd);
cmd.BindVertexBuffer(vbo, 0);
cmd.BindIndexBuffer(ibo, VkIndexType.Uint16);
cmd.DrawIndexed((uint)indices.Length);
pipeline.RenderPass.End(cmd);
}
/// <summary> bind vertex and index buffers </summary>
public virtual void Bind(CommandBuffer cmd)
{
cmd.BindVertexBuffer(vbo);
cmd.BindIndexBuffer(ibo, IndexBufferType);
}