void NeighborMax::InitRenderTarget(SetupContext& context) {
if (!m_outputTexturesInited) {
m_outputTexturesInited = true;
using gxapi::eFormat;
auto formatNeighborMax = eFormat::R8G8_UNORM;
gxapi::RtvTexture2DArray rtvDesc;
rtvDesc.activeArraySize = 1;
rtvDesc.firstArrayElement = 0;
rtvDesc.firstMipLevel = 0;
rtvDesc.planeIndex = 0;
gxapi::SrvTexture2DArray srvDesc;
srvDesc.activeArraySize = 1;
srvDesc.firstArrayElement = 0;
srvDesc.numMipLevels = -1;
srvDesc.mipLevelClamping = 0;
srvDesc.mostDetailedMip = 0;
srvDesc.planeIndex = 0;
Texture2DDesc desc{
m_inputTexSrv.GetResource().GetWidth(),
m_inputTexSrv.GetResource().GetHeight(),
formatNeighborMax
};
Texture2D neighbormax_tex = context.CreateTexture2D(desc, { true, true, false, false });
neighbormax_tex.SetName("Motion blur neighbormax tex");
m_neighbormax_rtv = context.CreateRtv(neighbormax_tex, formatNeighborMax, rtvDesc);
}
}
void BloomBlur::InitRenderTarget(SetupContext& context) {
if (!m_outputTexturesInited) {
m_outputTexturesInited = true;
using gxapi::eFormat;
auto formatBlur = eFormat::R16G16B16A16_FLOAT;
gxapi::RtvTexture2DArray rtvDesc;
rtvDesc.activeArraySize = 1;
rtvDesc.firstArrayElement = 0;
rtvDesc.firstMipLevel = 0;
rtvDesc.planeIndex = 0;
gxapi::SrvTexture2DArray srvDesc;
srvDesc.activeArraySize = 1;
srvDesc.firstArrayElement = 0;
srvDesc.numMipLevels = -1;
srvDesc.mipLevelClamping = 0;
srvDesc.mostDetailedMip = 0;
srvDesc.planeIndex = 0;
Texture2DDesc desc{
m_inputTexSrv.GetResource().GetWidth(),
m_inputTexSrv.GetResource().GetHeight(),
formatBlur
};
Texture2D blur_tex = context.CreateTexture2D(desc, { true, true, false, false });
blur_tex.SetName("Bloom blur tex");
m_blur_rtv = context.CreateRtv(blur_tex, formatBlur, rtvDesc);
}
}
void BrightLumPass::InitRenderTarget(SetupContext& context) {
if (!m_outputTexturesInited) {
m_outputTexturesInited = true;
using gxapi::eFormat;
auto formatBrightPass = eFormat::R16G16B16A16_FLOAT;
auto formatLuminance = eFormat::R16_FLOAT;
gxapi::RtvTexture2DArray rtvDesc;
rtvDesc.activeArraySize = 1;
rtvDesc.firstArrayElement = 0;
rtvDesc.firstMipLevel = 0;
rtvDesc.planeIndex = 0;
gxapi::SrvTexture2DArray srvDesc;
srvDesc.activeArraySize = 1;
srvDesc.firstArrayElement = 0;
srvDesc.numMipLevels = -1;
srvDesc.mipLevelClamping = 0;
srvDesc.mostDetailedMip = 0;
srvDesc.planeIndex = 0;
Texture2DDesc desc{
m_inputTexSrv.GetResource().GetWidth(),
m_inputTexSrv.GetResource().GetHeight(),
formatBrightPass
};
Texture2D bright_pass_tex = context.CreateTexture2D(desc, { true, true, false, false });
bright_pass_tex.SetName("Bright pass tex");
m_bright_pass_rtv = context.CreateRtv(bright_pass_tex, formatBrightPass, rtvDesc);
desc.format = formatLuminance;
Texture2D luminance_tex = context.CreateTexture2D(desc, { true, true, false, false });
luminance_tex.SetName("Luminance tex");
m_luminance_rtv = context.CreateRtv(luminance_tex, formatLuminance, rtvDesc);
}
}
void Blend::Setup(SetupContext& context) {
auto& target = this->GetInput<0>().Get();
gxapi::RtvTexture2DArray rtvDesc;
rtvDesc.activeArraySize = 1;
rtvDesc.firstArrayElement = 0;
rtvDesc.firstMipLevel = 0;
rtvDesc.planeIndex = 0;
m_blendDest = context.CreateRtv(target, target.GetFormat(), rtvDesc);
auto blendSrc = this->GetInput<1>().Get();
gxapi::SrvTexture2DArray srvDesc;
srvDesc.activeArraySize = 1;
srvDesc.firstArrayElement = 0;
srvDesc.mipLevelClamping = 0;
srvDesc.mostDetailedMip = 0;
srvDesc.numMipLevels = 1;
srvDesc.planeIndex = 0;
m_blendSrc = context.CreateSrv(blendSrc, blendSrc.GetFormat(), srvDesc);
gxapi::RenderTargetBlendState currBlendMode = this->GetInput<2>().Get();
this->GetOutput<0>().Set(target);
if (!m_binder) {
BindParameterDesc tex0ParamDesc;
m_tex0Param = BindParameter(eBindParameterType::TEXTURE, 0);
tex0ParamDesc.parameter = m_tex0Param;
tex0ParamDesc.constantSize = 0;
tex0ParamDesc.relativeAccessFrequency = 0;
tex0ParamDesc.relativeChangeFrequency = 0;
tex0ParamDesc.shaderVisibility = gxapi::eShaderVisiblity::PIXEL;
BindParameterDesc sampBindParamDesc;
sampBindParamDesc.parameter = BindParameter(eBindParameterType::SAMPLER, 0);
sampBindParamDesc.constantSize = 0;
sampBindParamDesc.relativeAccessFrequency = 0;
sampBindParamDesc.relativeChangeFrequency = 0;
sampBindParamDesc.shaderVisibility = gxapi::eShaderVisiblity::PIXEL;
gxapi::StaticSamplerDesc samplerDesc;
samplerDesc.shaderRegister = 0;
samplerDesc.filter = gxapi::eTextureFilterMode::MIN_MAG_LINEAR_MIP_POINT;
samplerDesc.addressU = gxapi::eTextureAddressMode::CLAMP;
samplerDesc.addressV = gxapi::eTextureAddressMode::CLAMP;
samplerDesc.addressW = gxapi::eTextureAddressMode::CLAMP;
samplerDesc.mipLevelBias = 0.f;
samplerDesc.registerSpace = 0;
samplerDesc.shaderVisibility = gxapi::eShaderVisiblity::PIXEL;
m_binder = context.CreateBinder({ tex0ParamDesc, sampBindParamDesc }, { samplerDesc });
}
if (!m_shader.vs || m_shader.ps) {
ShaderParts shaderParts;
shaderParts.vs = true;
shaderParts.ps = true;
m_shader = context.CreateShader("Blend", shaderParts, "");
}
if (m_renderTargetFormat != target.GetFormat() || m_blendMode != currBlendMode) {
m_renderTargetFormat = target.GetFormat();
m_blendMode = currBlendMode;
std::vector<gxapi::InputElementDesc> inputElementDesc = {
gxapi::InputElementDesc("POSITION", 0, gxapi::eFormat::R32G32_FLOAT, 0, 0)
};
gxapi::GraphicsPipelineStateDesc psoDesc;
psoDesc.inputLayout.elements = inputElementDesc.data();
psoDesc.inputLayout.numElements = (unsigned)inputElementDesc.size();
psoDesc.rootSignature = m_binder.GetRootSignature();
psoDesc.vs = m_shader.vs;
psoDesc.ps = m_shader.ps;
psoDesc.rasterization = gxapi::RasterizerState(gxapi::eFillMode::SOLID, gxapi::eCullMode::DRAW_ALL);
psoDesc.primitiveTopologyType = gxapi::ePrimitiveTopologyType::TRIANGLE;
psoDesc.blending.alphaToCoverage = false;
psoDesc.blending.independentBlending = false;
psoDesc.blending.singleTarget = m_blendMode;
psoDesc.numRenderTargets = 1;
psoDesc.renderTargetFormats[0] = m_renderTargetFormat;
m_PSO.reset(context.CreatePSO(psoDesc));
}
}