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    • By ANIO chan
      Hi, I'm new here and would like to get some help in what i should do first when designing a game? What would you consider to be the best steps to begin designing my game? Give resources with it as well please.
    • By cozzie
      Hi all,
      As a part of the debug drawing system in my engine,  I want to add support for rendering simple text on screen  (aka HUD/ HUD style). From what I've read there are a few options, in short:
      1. Write your own font sprite renderer
      2. Using Direct2D/Directwrite, combine with DX11 rendertarget/ backbuffer
      3. Use an external library, like the directx toolkit etc.
      I want to go for number 2, but articles/ documentation confused me a bit. Some say you need to create a DX10 device, to be able to do this, because it doesn't directly work with the DX11 device.  But other articles tell that this was 'patched' later on and should work now.
      Can someone shed some light on this and ideally provide me an example or article on  how to set this up?
      All input is appreciated.
    • By stale
      I've just started learning about tessellation from Frank Luna's DX11 book. I'm getting some very weird behavior when I try to render a tessellated quad patch if I also render a mesh in the same frame. The tessellated quad patch renders just fine if it's the only thing I'm rendering. This is pictured below:
      However, when I attempt to render the same tessellated quad patch along with the other entities in the scene (which are simple triangle-lists), I get the following error:

      I have no idea why this is happening, and google searches have given me no leads at all. I use the following code to render the tessellated quad patch:
      ID3D11DeviceContext* dc = GetGFXDeviceContext(); dc->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_4_CONTROL_POINT_PATCHLIST); dc->IASetInputLayout(ShaderManager::GetInstance()->m_JQuadTess->m_InputLayout); float blendFactors[] = { 0.0f, 0.0f, 0.0f, 0.0f }; // only used with D3D11_BLEND_BLEND_FACTOR dc->RSSetState(m_rasterizerStates[RSWIREFRAME]); dc->OMSetBlendState(m_blendStates[BSNOBLEND], blendFactors, 0xffffffff); dc->OMSetDepthStencilState(m_depthStencilStates[DSDEFAULT], 0); ID3DX11EffectTechnique* activeTech = ShaderManager::GetInstance()->m_JQuadTess->Tech; D3DX11_TECHNIQUE_DESC techDesc; activeTech->GetDesc(&techDesc); for (unsigned int p = 0; p < techDesc.Passes; p++) { TerrainVisual* terrainVisual = (TerrainVisual*)entity->m_VisualComponent; UINT stride = sizeof(TerrainVertex); UINT offset = 0; GetGFXDeviceContext()->IASetVertexBuffers(0, 1, &terrainVisual->m_VB, &stride, &offset); Vector3 eyePos = Vector3(cam->m_position); Matrix rotation = Matrix::CreateFromYawPitchRoll(entity->m_rotationEuler.x, entity->m_rotationEuler.y, entity->m_rotationEuler.z); Matrix model = rotation * Matrix::CreateTranslation(entity->m_position); Matrix view = cam->GetLookAtMatrix(); Matrix MVP = model * view * m_ProjectionMatrix; ShaderManager::GetInstance()->m_JQuadTess->SetEyePosW(eyePos); ShaderManager::GetInstance()->m_JQuadTess->SetWorld(model); ShaderManager::GetInstance()->m_JQuadTess->SetWorldViewProj(MVP); activeTech->GetPassByIndex(p)->Apply(0, GetGFXDeviceContext()); GetGFXDeviceContext()->Draw(4, 0); } dc->RSSetState(0); dc->OMSetBlendState(0, blendFactors, 0xffffffff); dc->OMSetDepthStencilState(0, 0); I draw my scene by looping through the list of entities and calling the associated draw method depending on the entity's "visual type":
      for (unsigned int i = 0; i < scene->GetEntityList()->size(); i++) { Entity* entity = scene->GetEntityList()->at(i); if (entity->m_VisualComponent->m_visualType == VisualType::MESH) DrawMeshEntity(entity, cam, sun, point); else if (entity->m_VisualComponent->m_visualType == VisualType::BILLBOARD) DrawBillboardEntity(entity, cam, sun, point); else if (entity->m_VisualComponent->m_visualType == VisualType::TERRAIN) DrawTerrainEntity(entity, cam); } HR(m_swapChain->Present(0, 0)); Any help/advice would be much appreciated!
    • By KaiserJohan
      Am trying a basebones tessellation shader and getting unexpected result when increasing the tessellation factor. Am rendering a group of quads and trying to apply tessellation to them.
      OutsideTess = (1,1,1,1), InsideTess= (1,1)

      OutsideTess = (1,1,1,1), InsideTess= (2,1)

      I expected 4 triangles in the quad, not two. Any idea of whats wrong?
      struct PatchTess { float mEdgeTess[4] : SV_TessFactor; float mInsideTess[2] : SV_InsideTessFactor; }; struct VertexOut { float4 mWorldPosition : POSITION; float mTessFactor : TESS; }; struct DomainOut { float4 mWorldPosition : SV_POSITION; }; struct HullOut { float4 mWorldPosition : POSITION; }; Hull shader:
      PatchTess PatchHS(InputPatch<VertexOut, 3> inputVertices) { PatchTess patch; patch.mEdgeTess[ 0 ] = 1; patch.mEdgeTess[ 1 ] = 1; patch.mEdgeTess[ 2 ] = 1; patch.mEdgeTess[ 3 ] = 1; patch.mInsideTess[ 0 ] = 2; patch.mInsideTess[ 1 ] = 1; return patch; } [domain("quad")] [partitioning("fractional_odd")] [outputtopology("triangle_ccw")] [outputcontrolpoints(4)] [patchconstantfunc("PatchHS")] [maxtessfactor( 64.0 )] HullOut hull_main(InputPatch<VertexOut, 3> verticeData, uint index : SV_OutputControlPointID) { HullOut ret; ret.mWorldPosition = verticeData[index].mWorldPosition; return ret; }  
      Domain shader:
      [domain("quad")] DomainOut domain_main(PatchTess patchTess, float2 uv : SV_DomainLocation, const OutputPatch<HullOut, 4> quad) { DomainOut ret; const float MipInterval = 20.0f; ret.mWorldPosition.xz = quad[ 0 ].mWorldPosition.xz * ( 1.0f - uv.x ) * ( 1.0f - uv.y ) + quad[ 1 ].mWorldPosition.xz * uv.x * ( 1.0f - uv.y ) + quad[ 2 ].mWorldPosition.xz * ( 1.0f - uv.x ) * uv.y + quad[ 3 ].mWorldPosition.xz * uv.x * uv.y ; ret.mWorldPosition.y = quad[ 0 ].mWorldPosition.y; ret.mWorldPosition.w = 1; ret.mWorldPosition = mul( gFrameViewProj, ret.mWorldPosition ); return ret; }  
      Any ideas what could be wrong with these shaders?
    • By RoKabium Games
      While looking out for that pesky Terrator, our little alien is doing a bit of relaxed mining down on the new gas planet "Lelantos" this weekend.... 
      #gamedev #indiedev #madewithunity #screenshotsaturday
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DX11 What is the current way - Technology

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Back around 2006 I spent a good year or two reading books, articles on this site, and gobbling up everything game dev related I could. I started an engine in DX10 and got through basics. I eventually gave up, because I couldn't do the harder things.

Now, my C++ is 12 years stronger, my mind is trained better, and I am thinking of giving it another go.

Alot has changed. There is no more SDK, there is evidently a DX Toolkit, XNA died, all the sweet sites I used to go to are 404, and google searches all point to Unity and Unreal.

I plainly don't like Unity or Unreal, but might learn them for reference.

So, what is the current path? Does everyone pretty much use the DX Toolkit? Should I start there? I also read that DX12 is just expert level DX11, so I guess I am going DX 11.

Is there a current and up to date list of learning resources anywhere?  I am about tired of 404s..



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The path depends on what you want to achieve.  What are your goals, what do you want to accomplish?  Are you just interested in doing some hobby stuff, or do you want to become a professional developer?  What areas of game development interest you?

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