Method RenderGridAxes

Components/src/CoordinateGridRenderer.cpp:233–283

}

void CoordinateGridRenderer::RenderGridAxes(const RenderAttributes& RenderAttribs)
{
    auto& pPSO = GetPSO(RenderAttribs.FeatureFlags, RenderAttribs.pColorRTV->GetDesc().Format);
    if (!pPSO)
    {
        const SHADER_COMPILE_FLAGS ShaderFlags = m_Settings.PackMatrixRowMajor ? SHADER_COMPILE_FLAG_PACK_MATRIX_ROW_MAJOR : SHADER_COMPILE_FLAG_NONE;

        ShaderMacroHelper Macros;
        AddShaderMacros(RenderAttribs.FeatureFlags, Macros);

        const auto VS = PostFXRenderTechnique::CreateShader(RenderAttribs.pDevice, RenderAttribs.pStateCache, "FullScreenTriangleVS.fx", "FullScreenTriangleVS", SHADER_TYPE_VERTEX, {}, ShaderFlags);
        const auto PS = PostFXRenderTechnique::CreateShader(RenderAttribs.pDevice, RenderAttribs.pStateCache, "CoordinateGridPS.psh", "ComputeGridAxesPS", SHADER_TYPE_PIXEL, Macros, ShaderFlags);

        PipelineResourceLayoutDescX ResourceLayout;
        ResourceLayout
            .AddVariable(SHADER_TYPE_PIXEL, "cbCameraAttribs", SHADER_RESOURCE_VARIABLE_TYPE_STATIC)
            .AddVariable(SHADER_TYPE_PIXEL, "cbGridAxesAttribs", SHADER_RESOURCE_VARIABLE_TYPE_STATIC)
            .AddVariable(SHADER_TYPE_PIXEL, "g_TextureDepth", SHADER_RESOURCE_VARIABLE_TYPE_DYNAMIC, SHADER_VARIABLE_FLAG_UNFILTERABLE_FLOAT_TEXTURE_WEBGPU);

        GraphicsPipelineStateCreateInfoX PSOCreateInfo{"CoordinateGridRenderer::GridAxes"};
        PSOCreateInfo
            .AddShader(VS)
            .AddShader(PS)
            .AddRenderTarget(RenderAttribs.pColorRTV->GetDesc().Format)
            .SetResourceLayout(ResourceLayout)
            .SetRasterizerDesc(RS_SolidFillNoCull)
            .SetDepthStencilDesc(DSS_DisableDepth)
            .SetBlendDesc(BS_AlphaBlend)
            .SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_TRIANGLE_LIST);

        RenderAttribs.pDevice->CreatePipelineState(PSOCreateInfo, &pPSO);
    }

    if (!m_SRB)
    {
        ShaderResourceVariableX{pPSO, SHADER_TYPE_PIXEL, "cbCameraAttribs"}.Set(m_Resources[RESOURCE_IDENTIFIER_CAMERA_CONSTANT_BUFFER].AsBuffer());
        ShaderResourceVariableX{pPSO, SHADER_TYPE_PIXEL, "cbGridAxesAttribs"}.Set(m_Resources[RESOURCE_IDENTIFIER_SETTINGS_CONSTANT_BUFFER].AsBuffer());
        pPSO->CreateShaderResourceBinding(&m_SRB, true);
    }

    ShaderResourceVariableX{m_SRB, SHADER_TYPE_PIXEL, "g_TextureDepth"}.Set(m_Resources[RESOURCE_IDENTIFIER_INPUT_DEPTH].GetTextureSRV());

    ITextureView* pRTVs[] = {
        RenderAttribs.pColorRTV};

    RenderAttribs.pDeviceContext->SetRenderTargets(_countof(pRTVs), pRTVs, nullptr, RESOURCE_STATE_TRANSITION_MODE_TRANSITION);
    RenderAttribs.pDeviceContext->SetPipelineState(pPSO);
    RenderAttribs.pDeviceContext->CommitShaderResources(m_SRB, RESOURCE_STATE_TRANSITION_MODE_TRANSITION);
    RenderAttribs.pDeviceContext->Draw({3, DRAW_FLAG_VERIFY_ALL, 1});
    RenderAttribs.pDeviceContext->SetRenderTargets(0, nullptr, nullptr, RESOURCE_STATE_TRANSITION_MODE_NONE);
}

RefCntAutoPtr<IPipelineState>& CoordinateGridRenderer::GetPSO(FEATURE_FLAGS FeatureFlags, TEXTURE_FORMAT RTVFormat)
{