109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
|
|
|
|
#include "GUIMaterialShader.h"
|
|
#include "MaterialParams.h"
|
|
#include "Engine/Core/Log.h"
|
|
#include "Engine/Core/Math/Viewport.h"
|
|
#include "Engine/Graphics/GPUContext.h"
|
|
#include "Engine/Graphics/GPUDevice.h"
|
|
#include "Engine/Graphics/Shaders/GPUShader.h"
|
|
#include "Engine/Graphics/RenderView.h"
|
|
#include "Engine/Graphics/Shaders/GPUConstantBuffer.h"
|
|
#include "Engine/Render2D/Render2D.h"
|
|
#include "Engine/Renderer/DrawCall.h"
|
|
|
|
PACK_STRUCT(struct GUIMaterialShaderData {
|
|
Matrix ViewProjectionMatrix;
|
|
Matrix WorldMatrix;
|
|
Matrix ViewMatrix;
|
|
Float3 ViewPos;
|
|
float ViewFar;
|
|
Float3 ViewDir;
|
|
float TimeParam;
|
|
Float4 ViewInfo;
|
|
Float4 ScreenSize;
|
|
Float4 ViewSize;
|
|
});
|
|
|
|
void GUIMaterialShader::Bind(BindParameters& params)
|
|
{
|
|
// Prepare
|
|
auto context = params.GPUContext;
|
|
Span<byte> cb(_cbData.Get(), _cbData.Count());
|
|
ASSERT_LOW_LAYER(cb.Length() >= sizeof(GUIMaterialShaderData));
|
|
auto materialData = reinterpret_cast<GUIMaterialShaderData*>(cb.Get());
|
|
cb = cb.Slice(sizeof(GUIMaterialShaderData));
|
|
int32 srv = 0;
|
|
const auto ps = context->IsDepthBufferBinded() ? _cache.Depth : _cache.NoDepth;
|
|
auto customData = (Render2D::CustomData*)params.CustomData;
|
|
|
|
// Setup parameters
|
|
MaterialParameter::BindMeta bindMeta;
|
|
bindMeta.Context = context;
|
|
bindMeta.Constants = cb;
|
|
bindMeta.Input = nullptr;
|
|
bindMeta.Buffers = nullptr;
|
|
bindMeta.CanSampleDepth = false;
|
|
bindMeta.CanSampleGBuffer = false;
|
|
MaterialParams::Bind(params.ParamsLink, bindMeta);
|
|
|
|
// Setup material constants
|
|
{
|
|
Matrix::Transpose(customData->ViewProjection, materialData->ViewProjectionMatrix);
|
|
Matrix::Transpose(Matrix::Identity, materialData->WorldMatrix);
|
|
Matrix::Transpose(Matrix::Identity, materialData->ViewMatrix);
|
|
materialData->ViewPos = Float3::Zero;
|
|
materialData->ViewFar = 0.0f;
|
|
materialData->ViewDir = Float3::Forward;
|
|
materialData->TimeParam = params.TimeParam;
|
|
materialData->ViewInfo = Float4::Zero;
|
|
auto& viewport = Render2D::GetViewport();
|
|
materialData->ScreenSize = Float4(viewport.Width, viewport.Height, 1.0f / viewport.Width, 1.0f / viewport.Height);
|
|
materialData->ViewSize = Float4(customData->ViewSize.X, customData->ViewSize.Y, 1.0f / customData->ViewSize.X, 1.0f / customData->ViewSize.Y);
|
|
}
|
|
|
|
// Bind constants
|
|
if (_cb)
|
|
{
|
|
context->UpdateCB(_cb, _cbData.Get());
|
|
context->BindCB(0, _cb);
|
|
}
|
|
|
|
// Bind pipeline
|
|
context->SetState(ps);
|
|
}
|
|
|
|
void GUIMaterialShader::Unload()
|
|
{
|
|
// Base
|
|
MaterialShader::Unload();
|
|
|
|
_cache.Release();
|
|
}
|
|
|
|
bool GUIMaterialShader::Load()
|
|
{
|
|
GPUPipelineState::Description psDesc0 = GPUPipelineState::Description::DefaultFullscreenTriangle;
|
|
psDesc0.Wireframe = EnumHasAnyFlags(_info.FeaturesFlags, MaterialFeaturesFlags::Wireframe);
|
|
psDesc0.VS = _shader->GetVS("VS_GUI");
|
|
psDesc0.PS = _shader->GetPS("PS_GUI");
|
|
psDesc0.BlendMode = BlendingMode::AlphaBlend;
|
|
|
|
psDesc0.DepthEnable = psDesc0.DepthWriteEnable = true;
|
|
_cache.Depth = GPUDevice::Instance->CreatePipelineState();
|
|
_cache.NoDepth = GPUDevice::Instance->CreatePipelineState();
|
|
|
|
bool failed = _cache.Depth->Init(psDesc0);
|
|
|
|
psDesc0.DepthEnable = psDesc0.DepthWriteEnable = false;
|
|
failed |= _cache.NoDepth->Init(psDesc0);
|
|
|
|
if (failed)
|
|
{
|
|
LOG(Warning, "Failed to create GUI material pipeline state.");
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|