Files
FlaxEngine/Source/Engine/Graphics/GPUContext.cpp
2024-02-26 19:00:48 +01:00

74 lines
1.6 KiB
C++

// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#include "GPUContext.h"
#include "GPUDevice.h"
#include "RenderTask.h"
#include "Textures/GPUTexture.h"
GPUContext::GPUContext(GPUDevice* device)
: ScriptingObject(ScriptingObjectSpawnParams(Guid::New(), TypeInitializer))
, _device(device)
{
}
void GPUContext::FrameBegin()
{
_lastRenderTime = Platform::GetTimeSeconds();
}
void GPUContext::FrameEnd()
{
ClearState();
FlushState();
}
void GPUContext::BindSR(int32 slot, GPUTexture* t)
{
ASSERT_LOW_LAYER(t == nullptr || t->ResidentMipLevels() == 0 || t->IsShaderResource());
BindSR(slot, GET_TEXTURE_VIEW_SAFE(t));
}
void GPUContext::DrawFullscreenTriangle(int32 instanceCount)
{
auto vb = _device->GetFullscreenTriangleVB();
BindVB(ToSpan(&vb, 1));
DrawInstanced(3, instanceCount);
}
void GPUContext::Draw(GPUTexture* dst, GPUTexture* src)
{
ASSERT_LOW_LAYER(dst && src);
ResetRenderTarget();
const float width = (float)dst->Width();
const float height = (float)dst->Height();
SetViewport(width, height);
SetRenderTarget(dst->View());
BindSR(0, src->View());
SetState(_device->GetCopyLinearPS());
DrawFullscreenTriangle();
}
void GPUContext::Draw(GPUTexture* rt)
{
ASSERT_LOW_LAYER(rt);
BindSR(0, rt);
SetState(_device->GetCopyLinearPS());
DrawFullscreenTriangle();
}
void GPUContext::Draw(GPUTextureView* rt)
{
ASSERT_LOW_LAYER(rt);
BindSR(0, rt);
SetState(_device->GetCopyLinearPS());
DrawFullscreenTriangle();
}
void GPUContext::SetResourceState(GPUResource* resource, uint64 state, int32 subresource)
{
}
void GPUContext::ForceRebindDescriptors()
{
}