65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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#include "GPUContext.h"
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#include "GPUDevice.h"
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#include "RenderTask.h"
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#include "Textures/GPUTexture.h"
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GPUContext::GPUContext(GPUDevice* device)
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: PersistentScriptingObject(ScriptingObjectSpawnParams(Guid::New(), TypeInitializer))
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, _device(device)
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{
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}
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void GPUContext::FrameBegin()
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{
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}
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void GPUContext::FrameEnd()
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{
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ClearState();
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FlushState();
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}
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void GPUContext::BindSR(int32 slot, GPUTexture* t)
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{
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ASSERT_LOW_LAYER(t == nullptr || t->ResidentMipLevels() == 0 || t->IsShaderResource());
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BindSR(slot, GET_TEXTURE_VIEW_SAFE(t));
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}
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void GPUContext::DrawFullscreenTriangle(int32 instanceCount)
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{
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auto vb = _device->GetFullscreenTriangleVB();
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BindVB(ToSpan(&vb, 1));
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DrawInstanced(3, instanceCount);
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}
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void GPUContext::Draw(GPUTexture* dst, GPUTexture* src)
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{
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ASSERT_LOW_LAYER(dst && src);
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ResetRenderTarget();
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const float width = (float)dst->Width();
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const float height = (float)dst->Height();
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SetViewport(width, height);
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SetRenderTarget(dst->View());
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BindSR(0, src->View());
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SetState(_device->GetCopyLinearPS());
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DrawFullscreenTriangle();
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}
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void GPUContext::Draw(GPUTexture* rt)
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{
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ASSERT_LOW_LAYER(rt);
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BindSR(0, rt);
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SetState(_device->GetCopyLinearPS());
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DrawFullscreenTriangle();
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}
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void GPUContext::Draw(GPUTextureView* rt)
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{
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ASSERT_LOW_LAYER(rt);
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BindSR(0, rt);
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SetState(_device->GetCopyLinearPS());
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DrawFullscreenTriangle();
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}
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