Added tests

1 files changed, 266 insertions, 0 deletions

diff --git a/Tests/TestApp/src/TestBufferAccess.cpp b/Tests/TestApp/src/TestBufferAccess.cpp
new file mode 100644
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+++ b/Tests/TestApp/src/TestBufferAccess.cpp
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+/*     Copyright 2015-2017 Egor Yusov
+ *  
+ *  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
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  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.
+ */
+
+// EngineSandbox.cpp : Defines the entry point for the application.
+//
+
+#include "pch.h"
+#include <math.h>
+#include "TestBufferAccess.h"
+#include "MapHelper.h"
+#include "BasicShaderSourceStreamFactory.h"
+
+using namespace Diligent;
+
+TestBufferAccess::TestBufferAccess() :
+    m_fXExtent(0), 
+    m_fYExtent(0)
+{}
+
+void TestBufferAccess::Init( IRenderDevice *pDevice, IDeviceContext *pContext, float fMinXCoord, float fMinYCoord, float fXExtent, float fYExtent )
+{
+    m_pRenderDevice = pDevice;
+    m_pDeviceContext = pContext;
+    auto DevType = m_pRenderDevice->GetDeviceCaps().DevType;
+    bool bUseOpenGL = DevType == DeviceType::OpenGL || DevType == DeviceType::OpenGLES;
+
+    m_fXExtent = fXExtent;
+    m_fYExtent = fYExtent;
+
+    float vertices[] = {	0.0f,0.0f,0.0f, 0.5f, 0.9f, 0.1f,
+						    0.5f,1.f,0.0f,  0.9f, 0.3f, 0.7f,
+						    1.f,0.0f,0.0f,  0.2f, 0.4f, 0.9f };
+    for(int iVert=0; iVert < 3; ++iVert)
+    {
+        vertices[iVert*6]   = (vertices[iVert*6])   / (float)(NumRows+1) * fXExtent + fMinXCoord;
+        vertices[iVert*6+1] = (vertices[iVert*6+1]) / (float)(NumRows+1) * fYExtent + fMinYCoord;
+    }
+
+    {
+        Diligent::BufferDesc BuffDesc;
+        BuffDesc.uiSizeInBytes = sizeof(vertices);
+        BuffDesc.BindFlags = BIND_VERTEX_BUFFER;
+        Diligent::BufferData BuffData;
+        BuffData.pData = vertices;
+        BuffData.DataSize = BuffDesc.uiSizeInBytes;
+        m_pRenderDevice->CreateBuffer(BuffDesc, BuffData, &m_pVertexBuff);
+    }
+
+    for(int InstBuff = 0; InstBuff < _countof(m_pInstBuff); ++InstBuff)
+    {
+        float instance_offsets[NumInstances*2] = 
+        {
+            1.f * fXExtent / (float)(NumRows+1), InstBuff*fYExtent / (float)(NumRows+1), 
+            2.f * fXExtent / (float)(NumRows+1), InstBuff*fYExtent / (float)(NumRows+1), 
+            3.f * fXExtent / (float)(NumRows+1), InstBuff*fYExtent / (float)(NumRows+1), 
+        };
+
+        Diligent::BufferDesc BuffDesc;
+        BuffDesc.uiSizeInBytes = sizeof(instance_offsets);
+        BuffDesc.BindFlags = BIND_VERTEX_BUFFER;
+        if( InstBuff == 3 )
+        {
+            BuffDesc.Usage = USAGE_DYNAMIC;
+            BuffDesc.CPUAccessFlags = CPU_ACCESS_WRITE;
+        }
+        else if( InstBuff == 4 )
+        {
+            BuffDesc.Usage = USAGE_CPU_ACCESSIBLE;
+            BuffDesc.BindFlags = BIND_NONE;
+            BuffDesc.CPUAccessFlags = CPU_ACCESS_READ;
+        }
+        else if( InstBuff == 5 )
+        {
+            BuffDesc.Usage = USAGE_CPU_ACCESSIBLE;
+            BuffDesc.BindFlags = BIND_NONE;
+            BuffDesc.CPUAccessFlags = CPU_ACCESS_WRITE;
+        }
+        else if( InstBuff == 6 )
+        {
+            BuffDesc.Usage = USAGE_CPU_ACCESSIBLE;
+            BuffDesc.BindFlags = BIND_NONE;
+            BuffDesc.CPUAccessFlags = CPU_ACCESS_READ;
+        }
+
+        Diligent::BufferData BuffData;
+        if(BuffDesc.Usage != USAGE_DYNAMIC && !(BuffDesc.Usage == USAGE_CPU_ACCESSIBLE && (BuffDesc.CPUAccessFlags & CPU_ACCESS_WRITE) != 0))
+        {
+            BuffData.pData = instance_offsets;
+            BuffData.DataSize = sizeof(instance_offsets);
+        }
+        m_pRenderDevice->CreateBuffer(BuffDesc, BuffData, &m_pInstBuff[InstBuff]);
+    }
+
+    ShaderCreationAttribs CreationAttrs;
+    BasicShaderSourceStreamFactory BasicSSSFactory;
+    CreationAttrs.pShaderSourceStreamFactory = &BasicSSSFactory;
+    CreationAttrs.Desc.TargetProfile = bUseOpenGL ? SHADER_PROFILE_GL_4_2 : SHADER_PROFILE_DX_5_0;
+
+    RefCntAutoPtr<Diligent::IShader> pVSInst, pPS;
+
+    {
+        CreationAttrs.FilePath = bUseOpenGL ? "Shaders\\minimalInstGL.vsh" : "Shaders\\minimalInstDX.vsh";
+        CreationAttrs.Desc.ShaderType =  SHADER_TYPE_VERTEX;
+        m_pRenderDevice->CreateShader( CreationAttrs, &pVSInst );
+    }
+
+    {
+        CreationAttrs.FilePath = bUseOpenGL ? "Shaders\\minimalGL.psh" : "Shaders\\minimalDX.psh";
+        CreationAttrs.Desc.ShaderType =  SHADER_TYPE_PIXEL;
+        m_pRenderDevice->CreateShader( CreationAttrs, &pPS );
+    }
+
+
+    PipelineStateDesc PSODesc;
+    PSODesc.GraphicsPipeline.DepthStencilDesc.DepthEnable = False;
+    PSODesc.GraphicsPipeline.RasterizerDesc.CullMode = CULL_MODE_NONE;
+    PSODesc.GraphicsPipeline.BlendDesc.IndependentBlendEnable = False;
+    PSODesc.GraphicsPipeline.BlendDesc.RenderTargets[0].BlendEnable = False;
+    PSODesc.GraphicsPipeline.RTVFormats[0] = TEX_FORMAT_RGBA8_UNORM_SRGB;
+    PSODesc.GraphicsPipeline.NumRenderTargets = 1;
+    PSODesc.GraphicsPipeline.pVS = pVSInst;
+    PSODesc.GraphicsPipeline.pPS = pPS;
+
+    LayoutElement Elems[] =
+    {
+        LayoutElement( 0, 0, 3, Diligent::VT_FLOAT32, false, 0 ),
+        LayoutElement( 1, 0, 3, Diligent::VT_FLOAT32, false, sizeof( float ) * 3 ),
+        LayoutElement( 2, 1, 2, Diligent::VT_FLOAT32, false, 0, LayoutElement::FREQUENCY_PER_INSTANCE )
+    };
+    PSODesc.GraphicsPipeline.InputLayout.LayoutElements = Elems;
+    PSODesc.GraphicsPipeline.InputLayout.NumElements = _countof( Elems );
+    pDevice->CreatePipelineState(PSODesc, &m_pPSO);
+}
+    
+void TestBufferAccess::Draw(float fTime)
+{
+    m_pDeviceContext->SetPipelineState(m_pPSO);
+    // No shader resources needed
+    //m_pDeviceContext->TransitionShaderResources(m_pPSO, nullptr);
+    //m_pDeviceContext->CommitShaderResources(nullptr);
+
+    IBuffer *pBuffs[2] = {m_pVertexBuff, m_pInstBuff[0]};
+    Uint32 Strides[] = {sizeof(float)*6, sizeof(float)*2};
+    Uint32 Offsets[] = {0, 0};
+    m_pDeviceContext->SetVertexBuffers( 0, _countof( pBuffs ), pBuffs, Strides, Offsets, SET_VERTEX_BUFFERS_FLAG_RESET );
+    
+    Diligent::DrawAttribs DrawAttrs;
+    DrawAttrs.Topology = Diligent::PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
+    DrawAttrs.NumVertices = 3;
+    DrawAttrs.NumInstances = NumInstances;
+    m_pDeviceContext->Draw(DrawAttrs);
+    
+
+    float fDX = m_fXExtent / (float)(NumRows+1);
+    float fDY = m_fYExtent / (float)(NumRows+1);
+
+    float instance_offsets[NumInstances*2];
+    for(int Inst = 0; Inst < NumInstances; ++Inst)
+    {
+        instance_offsets[Inst*2] = (1+Inst) * fDX;
+        instance_offsets[Inst*2+1] = 1.f * fDY + sin(fTime) * fDY * 0.3f;
+    }
+    m_pInstBuff[1]->UpdateData( m_pDeviceContext, sizeof( float ) * 2, sizeof( float ) * 4, &instance_offsets[2] );
+
+    pBuffs[1] = m_pInstBuff[1];
+    m_pDeviceContext->SetVertexBuffers( 0, _countof( pBuffs ), pBuffs, Strides, Offsets, SET_VERTEX_BUFFERS_FLAG_RESET );
+    
+    m_pDeviceContext->Draw(DrawAttrs);
+
+
+    for(int Inst = 0; Inst < NumInstances; ++Inst)
+    {
+        instance_offsets[Inst*2] = (1+Inst) * fDX;
+        instance_offsets[Inst*2+1] = 2.f * fDY + sin(fTime*0.8f) * fDY * 0.3f;
+    }
+    m_pInstBuff[2]->UpdateData( m_pDeviceContext, sizeof( float ) * 2, sizeof( float ) * 4, &instance_offsets[2] );
+    m_pInstBuff[1]->CopyData( m_pDeviceContext, m_pInstBuff[2], sizeof( float ) * 2, sizeof( float ) * 2, sizeof( float ) * 4 );
+    
+    m_pDeviceContext->Draw(DrawAttrs);
+
+    for(int Inst = 0; Inst < NumInstances; ++Inst)
+    {
+        instance_offsets[Inst*2] = (1+Inst) * fDX;
+        instance_offsets[Inst*2+1] = 3.f * fDY + sin(fTime*1.2f) * fDY * 0.3f;
+    }
+
+    // Test updating dynamic buffer
+    {
+        MapHelper<float> pInstData( m_pDeviceContext, m_pInstBuff[3], MAP_WRITE, MAP_FLAG_DISCARD );
+        memcpy(pInstData, instance_offsets, sizeof(instance_offsets));
+    }
+
+    pBuffs[1] = m_pInstBuff[3];
+    m_pDeviceContext->SetVertexBuffers( 0, _countof( pBuffs ), pBuffs, Strides, Offsets, SET_VERTEX_BUFFERS_FLAG_RESET );
+    
+    m_pDeviceContext->Draw(DrawAttrs);
+
+return;
+    MapHelper<float> pStagingData;
+    // Test reading data from staging resource
+    {
+        m_pInstBuff[4]->CopyData( m_pDeviceContext, m_pInstBuff[3], 0, 0, sizeof( instance_offsets ) );
+        pStagingData.Map( m_pDeviceContext, m_pInstBuff[4], MAP_READ, 0 );
+        for(int i = 0; i < _countof(instance_offsets); ++i)
+            assert(pStagingData[i] == instance_offsets[i]);
+        pStagingData.Unmap();
+    }
+
+    // D3D12 does not allow writing to the CPU-readable buffers
+    if(m_pRenderDevice->GetDeviceCaps().DevType != DeviceType::D3D12)
+    {
+        // Test writing data to staging resource
+        {
+            pStagingData.Map( m_pDeviceContext, m_pInstBuff[5], MAP_WRITE, 0 );
+            for(int Inst = 0; Inst < NumInstances; ++Inst)
+            {
+                pStagingData[Inst*2] = (1+Inst) * fDX;
+                pStagingData[Inst*2+1] = 4.f * fDY + sin(fTime*1.3f) * fDY * 0.3f;
+            }
+            pStagingData.Unmap();
+        }
+
+        m_pInstBuff[2]->CopyData( m_pDeviceContext, m_pInstBuff[5], 0, 0, sizeof( instance_offsets ) );
+        pBuffs[1] = m_pInstBuff[2];
+        m_pDeviceContext->SetVertexBuffers( 0, _countof( pBuffs ), pBuffs, Strides, Offsets, SET_VERTEX_BUFFERS_FLAG_RESET );
+        m_pDeviceContext->Draw(DrawAttrs);
+
+
+        // Test reading & writing data to the staging resource
+        /*{
+            MapHelper<float> pInstData2( m_pDeviceContext, m_pInstBuff[6], MAP_READ_WRITE, 0 );
+            MapHelper<float> pInstData3( std::move(pInstData2) );
+            MapHelper<float> pInstData;
+            pInstData = std::move(pInstData3);
+            static float fPrevTime = fTime;
+            for(int Inst = 0; Inst < NumInstances; ++Inst)
+            {
+                pInstData[Inst*2] += (fTime-fPrevTime) * sin(fTime)*0.1f * m_fXExtent;
+            }
+            fPrevTime = fTime;
+        }*/
+
+        m_pInstBuff[2]->CopyData( m_pDeviceContext, m_pInstBuff[6], 0, 0, sizeof( instance_offsets ) );
+        m_pDeviceContext->Draw(DrawAttrs);
+    }
+}