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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2023 Diligent Graphics LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| * In no event and under no legal theory, whether in tort (including negligence), | ||
| * contract, or otherwise, unless required by applicable law (such as deliberate | ||
| * and grossly negligent acts) or agreed to in writing, shall any Contributor be | ||
| * liable for any damages, including any direct, indirect, special, incidental, | ||
| * or consequential damages of any character arising as a result of this License or | ||
| * out of the use or inability to use the software (including but not limited to damages | ||
| * for loss of goodwill, work stoppage, computer failure or malfunction, or any and | ||
| * all other commercial damages or losses), even if such Contributor has been advised | ||
| * of the possibility of such damages. | ||
| */ | ||
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| #pragma once | ||
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| #include "HnTask.hpp" | ||
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| #include "../../../../DiligentCore/Graphics/GraphicsEngine/interface/PipelineState.h" | ||
| #include "../../../../DiligentCore/Graphics/GraphicsEngine/interface/ShaderResourceBinding.h" | ||
| #include "../../../../DiligentCore/Graphics/GraphicsEngine/interface/Buffer.h" | ||
| #include "../../../../DiligentCore/Common/interface/RefCntAutoPtr.hpp" | ||
| #include "../../../../DiligentCore/Common/interface/BasicMath.hpp" | ||
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| namespace Diligent | ||
| { | ||
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| namespace USD | ||
| { | ||
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| class HnRenderPassState; | ||
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| struct HnRenderAxesTaskParams | ||
| { | ||
| float4x4 Transform = float4x4::Identity(); | ||
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| float4 PositiveXColor{1.0f, 0.0f, 0.0f, 1.0f}; | ||
| float4 PositiveYColor{0.0f, 1.0f, 0.0f, 1.0f}; | ||
| float4 PositiveZColor{0.0f, 0.0f, 1.0f, 1.0f}; | ||
| float4 NegativeXColor{0.5f, 0.3f, 0.3f, 1.0f}; | ||
| float4 NegativeYColor{0.3f, 0.5f, 0.3f, 1.0f}; | ||
| float4 NegativeZColor{0.3f, 0.3f, 0.5f, 1.0f}; | ||
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| constexpr bool operator==(const HnRenderAxesTaskParams& rhs) const | ||
| { | ||
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| return Transform == rhs.Transform && | ||
| PositiveXColor == rhs.PositiveXColor && | ||
| PositiveYColor == rhs.PositiveYColor && | ||
| PositiveZColor == rhs.PositiveZColor && | ||
| NegativeXColor == rhs.NegativeXColor && | ||
| NegativeYColor == rhs.NegativeYColor && | ||
| NegativeZColor == rhs.NegativeZColor; | ||
| } | ||
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| constexpr bool operator!=(const HnRenderAxesTaskParams& rhs) const | ||
| { | ||
| return !(*this == rhs); | ||
| } | ||
| }; | ||
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| /// Renders coordinate axes. | ||
| class HnRenderAxesTask final : public HnTask | ||
| { | ||
| public: | ||
| HnRenderAxesTask(pxr::HdSceneDelegate* ParamsDelegate, const pxr::SdfPath& Id); | ||
| ~HnRenderAxesTask(); | ||
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| virtual void Sync(pxr::HdSceneDelegate* Delegate, | ||
| pxr::HdTaskContext* TaskCtx, | ||
| pxr::HdDirtyBits* DirtyBits) override final; | ||
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| virtual void Prepare(pxr::HdTaskContext* TaskCtx, | ||
| pxr::HdRenderIndex* RenderIndex) override final; | ||
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| virtual void Execute(pxr::HdTaskContext* TaskCtx) override final; | ||
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| private: | ||
| void PreparePSO(const HnRenderPassState& RPState); | ||
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| private: | ||
| pxr::HdRenderIndex* m_RenderIndex = nullptr; | ||
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| HnRenderAxesTaskParams m_Params; | ||
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| bool m_ParamsAreDirty = true; | ||
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| RefCntAutoPtr<IPipelineState> m_PSO; | ||
| RefCntAutoPtr<IShaderResourceBinding> m_SRB; | ||
| RefCntAutoPtr<IBuffer> m_ConstantsCB; | ||
| }; | ||
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| } // namespace USD | ||
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| } // namespace Diligent |
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| struct PSInput | ||
| { | ||
| float4 Pos : SV_POSITION; | ||
| float4 Color : COLOR; | ||
| }; | ||
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| void main(in PSInput PSIn, | ||
| out float4 Color : SV_Target0, | ||
| out float4 MeshId : SV_Target1) | ||
| { | ||
| Color = PSIn.Color; | ||
| MeshId = float4(0.0, 0.0, 0.0, 0.0); | ||
| } |
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| #include "HnAxesStructures.fxh" | ||
| #include "BasicStructures.fxh" | ||
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| struct PSInput | ||
| { | ||
| float4 Pos : SV_POSITION; | ||
| float4 Color : COLOR; | ||
| }; | ||
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| cbuffer cbCameraAttribs | ||
| { | ||
| CameraAttribs g_CameraAttribs; | ||
| } | ||
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| cbuffer cbConstants | ||
| { | ||
| AxesConstants g_Constants; | ||
| } | ||
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| void main(in uint VertID : SV_VertexID, | ||
| out PSInput PSIn) | ||
| { | ||
| //float3 Pos[12]; | ||
| //Pos[0] = float3(-1.0, 0.0, 0.0); | ||
| //Pos[1] = float3( 0.0, 0.0, 0.0); | ||
| //Pos[2] = float3( 0.0, 0.0, 0.0); | ||
| //Pos[3] = float3(+1.0, 0.0, 0.0); | ||
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| //Pos[4] = float3(0.0, -1.0, 0.0); | ||
| //Pos[5] = float3(0.0, 0.0, 0.0); | ||
| //Pos[6] = float3(0.0, 0.0, 0.0); | ||
| //Pos[7] = float3(0.0, +1.0, 0.0); | ||
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| //Pos[ 8] = float3(0.0, 0.0, -1.0); | ||
| //Pos[ 9] = float3(0.0, 0.0, 0.0); | ||
| //Pos[10] = float3(0.0, 0.0, 0.0); | ||
| //Pos[11] = float3(0.0, 0.0, +1.0); | ||
| float3 Pos; | ||
| Pos.x = (VertID == 0) ? -1.0 : ((VertID == 3) ? +1.0 : 0.0); | ||
| Pos.y = (VertID == 4) ? -1.0 : ((VertID == 7) ? +1.0 : 0.0); | ||
| Pos.z = (VertID == 8) ? -1.0 : ((VertID == 11) ? +1.0 : 0.0); | ||
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| PSIn.Pos = mul(mul(float4(Pos, 1.0), g_Constants.Transform), g_CameraAttribs.mViewProj); | ||
| PSIn.Color = g_Constants.AxesColors[VertID/2]; | ||
| PSIn.Color.a *= 1 - length(Pos); | ||
| } |
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| @@ -0,0 +1,10 @@ | ||
| #ifndef _HN_AXES_STRUCTURES_FXH_ | ||
| #define _HN_AXES_STRUCTURES_FXH_ | ||
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| struct AxesConstants | ||
| { | ||
| float4x4 Transform; | ||
| float4 AxesColors[6]; // -X, +X, -Y, +Y, -Z, +Z | ||
| }; | ||
|
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| #endif // _HN_AXES_STRUCTURES_FXH_ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| "struct PSInput\n" | ||
| "{\n" | ||
| " float4 Pos : SV_POSITION;\n" | ||
| " float4 Color : COLOR;\n" | ||
| "};\n" | ||
| "\n" | ||
| "void main(in PSInput PSIn,\n" | ||
| " out float4 Color : SV_Target0,\n" | ||
| " out float4 MeshId : SV_Target1)\n" | ||
| "{\n" | ||
| " Color = PSIn.Color;\n" | ||
| " MeshId = float4(0.0, 0.0, 0.0, 0.0);\n" | ||
| "}\n" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,46 @@ | ||
| "#include \"HnAxesStructures.fxh\"\n" | ||
| "#include \"BasicStructures.fxh\"\n" | ||
| "\n" | ||
| "struct PSInput\n" | ||
| "{\n" | ||
| " float4 Pos : SV_POSITION;\n" | ||
| " float4 Color : COLOR;\n" | ||
| "};\n" | ||
| "\n" | ||
| "cbuffer cbCameraAttribs\n" | ||
| "{\n" | ||
| " CameraAttribs g_CameraAttribs;\n" | ||
| "}\n" | ||
| "\n" | ||
| "cbuffer cbConstants\n" | ||
| "{\n" | ||
| " AxesConstants g_Constants;\n" | ||
| "}\n" | ||
| "\n" | ||
| "void main(in uint VertID : SV_VertexID,\n" | ||
| " out PSInput PSIn)\n" | ||
| "{\n" | ||
| " //float3 Pos[12];\n" | ||
| " //Pos[0] = float3(-1.0, 0.0, 0.0);\n" | ||
| " //Pos[1] = float3( 0.0, 0.0, 0.0);\n" | ||
| " //Pos[2] = float3( 0.0, 0.0, 0.0);\n" | ||
| " //Pos[3] = float3(+1.0, 0.0, 0.0);\n" | ||
| "\n" | ||
| " //Pos[4] = float3(0.0, -1.0, 0.0);\n" | ||
| " //Pos[5] = float3(0.0, 0.0, 0.0);\n" | ||
| " //Pos[6] = float3(0.0, 0.0, 0.0);\n" | ||
| " //Pos[7] = float3(0.0, +1.0, 0.0);\n" | ||
| "\n" | ||
| " //Pos[ 8] = float3(0.0, 0.0, -1.0);\n" | ||
| " //Pos[ 9] = float3(0.0, 0.0, 0.0);\n" | ||
| " //Pos[10] = float3(0.0, 0.0, 0.0);\n" | ||
| " //Pos[11] = float3(0.0, 0.0, +1.0);\n" | ||
| " float3 Pos;\n" | ||
| " Pos.x = (VertID == 0) ? -1.0 : ((VertID == 3) ? +1.0 : 0.0);\n" | ||
| " Pos.y = (VertID == 4) ? -1.0 : ((VertID == 7) ? +1.0 : 0.0);\n" | ||
| " Pos.z = (VertID == 8) ? -1.0 : ((VertID == 11) ? +1.0 : 0.0);\n" | ||
| "\n" | ||
| " PSIn.Pos = mul(mul(float4(Pos, 1.0), g_Constants.Transform), g_CameraAttribs.mViewProj);\n" | ||
| " PSIn.Color = g_Constants.AxesColors[VertID/2];\n" | ||
| " PSIn.Color.a *= 1 - length(Pos);\n" | ||
| "}\n" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,10 @@ | ||
| "#ifndef _HN_AXES_STRUCTURES_FXH_\n" | ||
| "#define _HN_AXES_STRUCTURES_FXH_\n" | ||
| "\n" | ||
| "struct AxesConstants\n" | ||
| "{\n" | ||
| " float4x4 Transform;\n" | ||
| " float4 AxesColors[6]; // -X, +X, -Y, +Y, -Z, +Z\n" | ||
| "};\n" | ||
| "\n" | ||
| "#endif // _HN_AXES_STRUCTURES_FXH_\n" |
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