diff --git a/Source/Engine/Graphics/GPUContext.h b/Source/Engine/Graphics/GPUContext.h
index ed2417c96..9eb607a5c 100644
--- a/Source/Engine/Graphics/GPUContext.h
+++ b/Source/Engine/Graphics/GPUContext.h
@@ -508,14 +508,16 @@ public:
///
/// The buffer with drawing arguments.
/// The aligned byte offset for arguments.
- API_FUNCTION() virtual void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) = 0;
+ /// The number of draw command to execute.
+ API_FUNCTION() virtual void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) = 0;
///
/// Draws the instanced GPU-generated indexed primitives. Buffer must contain GPUDrawIndexedIndirectArgs.
///
/// The buffer with drawing arguments.
/// The aligned byte offset for arguments.
- API_FUNCTION() virtual void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) = 0;
+ /// The number of draw command to execute.
+ API_FUNCTION() virtual void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) = 0;
public:
diff --git a/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.cpp b/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.cpp
index 9c9af3145..a737b9ea5 100644
--- a/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.cpp
+++ b/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.cpp
@@ -465,7 +465,7 @@ void GPUContextDX11::DrawIndexedInstanced(uint32 indicesCount, uint32 instanceCo
RENDER_STAT_DRAW_CALL(0, indicesCount / 3 * instanceCount);
}
-void GPUContextDX11::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs)
+void GPUContextDX11::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount)
{
ASSERT(bufferForArgs && bufferForArgs->GetFlags() & GPUBufferFlags::Argument);
@@ -476,7 +476,7 @@ void GPUContextDX11::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offs
RENDER_STAT_DRAW_CALL(0, 0);
}
-void GPUContextDX11::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs)
+void GPUContextDX11::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount)
{
ASSERT(bufferForArgs && bufferForArgs->GetFlags() & GPUBufferFlags::Argument);
diff --git a/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.h b/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.h
index dffeae00c..23205a010 100644
--- a/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.h
+++ b/Source/Engine/GraphicsDevice/DirectX/DX11/GPUContextDX11.h
@@ -128,8 +128,8 @@ public:
void ResolveMultisample(GPUTexture* sourceMultisampleTexture, GPUTexture* destTexture, int32 sourceSubResource, int32 destSubResource, PixelFormat format) override;
void DrawInstanced(uint32 verticesCount, uint32 instanceCount, int32 startInstance, int32 startVertex) override;
void DrawIndexedInstanced(uint32 indicesCount, uint32 instanceCount, int32 startInstance, int32 startVertex, int32 startIndex) override;
- void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override;
- void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override;
+ void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override;
+ void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override;
void SetViewport(const Viewport& viewport) override;
void SetScissor(const Rectangle& scissorRect) override;
GPUPipelineState* GetState() const override;
diff --git a/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp b/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp
index 4d1bd3e17..efd6773e1 100644
--- a/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp
+++ b/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.cpp
@@ -912,7 +912,7 @@ void GPUContextDX12::DrawIndexedInstanced(uint32 indicesCount, uint32 instanceCo
RENDER_STAT_DRAW_CALL(0, indicesCount / 3 * instanceCount);
}
-void GPUContextDX12::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs)
+void GPUContextDX12::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount)
{
ASSERT(bufferForArgs && bufferForArgs->GetFlags() & GPUBufferFlags::Argument);
@@ -921,11 +921,11 @@ void GPUContextDX12::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offs
SetResourceState(bufferForArgsDX12, D3D12_RESOURCE_STATE_INDIRECT_ARGUMENT);
onDrawCall();
- _commandList->ExecuteIndirect(signature, 1, bufferForArgsDX12->GetResource(), (UINT64)offsetForArgs, nullptr, 0);
+ _commandList->ExecuteIndirect(signature, drawCount, bufferForArgsDX12->GetResource(), (UINT64)offsetForArgs, nullptr, 0);
RENDER_STAT_DRAW_CALL(0, 0);
}
-void GPUContextDX12::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs)
+void GPUContextDX12::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount)
{
ASSERT(bufferForArgs && bufferForArgs->GetFlags() & GPUBufferFlags::Argument);
@@ -934,7 +934,7 @@ void GPUContextDX12::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint
SetResourceState(bufferForArgsDX12, D3D12_RESOURCE_STATE_INDIRECT_ARGUMENT);
onDrawCall();
- _commandList->ExecuteIndirect(signature, 1, bufferForArgsDX12->GetResource(), (UINT64)offsetForArgs, nullptr, 0);
+ _commandList->ExecuteIndirect(signature, drawCount, bufferForArgsDX12->GetResource(), (UINT64)offsetForArgs, nullptr, 0);
RENDER_STAT_DRAW_CALL(0, 0);
}
diff --git a/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.h b/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.h
index 6fb670e7b..ac693a991 100644
--- a/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.h
+++ b/Source/Engine/GraphicsDevice/DirectX/DX12/GPUContextDX12.h
@@ -182,8 +182,8 @@ public:
void ResolveMultisample(GPUTexture* sourceMultisampleTexture, GPUTexture* destTexture, int32 sourceSubResource, int32 destSubResource, PixelFormat format) override;
void DrawInstanced(uint32 verticesCount, uint32 instanceCount, int32 startInstance, int32 startVertex) override;
void DrawIndexedInstanced(uint32 indicesCount, uint32 instanceCount, int32 startInstance, int32 startVertex, int32 startIndex) override;
- void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override;
- void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override;
+ void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override;
+ void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override;
void SetViewport(const Viewport& viewport) override;
void SetScissor(const Rectangle& scissorRect) override;
GPUPipelineState* GetState() const override;
diff --git a/Source/Engine/GraphicsDevice/Null/GPUContextNull.h b/Source/Engine/GraphicsDevice/Null/GPUContextNull.h
index f45417976..c15b26599 100644
--- a/Source/Engine/GraphicsDevice/Null/GPUContextNull.h
+++ b/Source/Engine/GraphicsDevice/Null/GPUContextNull.h
@@ -132,11 +132,11 @@ public:
{
}
- void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override
+ void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override
{
}
- void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override
+ void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override
{
}
diff --git a/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.cpp b/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.cpp
index e8f770831..7da429830 100644
--- a/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.cpp
+++ b/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.cpp
@@ -1090,13 +1090,13 @@ void GPUContextVulkan::DrawIndexedInstanced(uint32 indicesCount, uint32 instance
RENDER_STAT_DRAW_CALL(0, indicesCount / 3 * instanceCount);
}
-void GPUContextVulkan::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs)
+void GPUContextVulkan::DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount)
{
// TODO: implement it
MISSING_CODE("GPUContextVulkan::DrawInstancedIndirect");
}
-void GPUContextVulkan::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs)
+void GPUContextVulkan::DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount)
{
// TODO: implement it
MISSING_CODE("GPUContextVulkan::DrawIndexedInstancedIndirect");
diff --git a/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.h b/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.h
index a3d26f017..df41b53c7 100644
--- a/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.h
+++ b/Source/Engine/GraphicsDevice/Vulkan/GPUContextVulkan.h
@@ -199,8 +199,8 @@ public:
void ResolveMultisample(GPUTexture* sourceMultisampleTexture, GPUTexture* destTexture, int32 sourceSubResource, int32 destSubResource, PixelFormat format) override;
void DrawInstanced(uint32 verticesCount, uint32 instanceCount, int32 startInstance, int32 startVertex) override;
void DrawIndexedInstanced(uint32 indicesCount, uint32 instanceCount, int32 startInstance, int32 startVertex, int32 startIndex) override;
- void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override;
- void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs) override;
+ void DrawInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override;
+ void DrawIndexedInstancedIndirect(GPUBuffer* bufferForArgs, uint32 offsetForArgs, uint32 drawCount = 1) override;
void SetViewport(const Viewport& viewport) override;
void SetScissor(const Rectangle& scissorRect) override;
GPUPipelineState* GetState() const override;