mirror of https://github.com/bkaradzic/bgfx
16-shadowmaps: Switched to ImGui (#1167)
This commit is contained in:
attilaz
Branimir Karadžić
parent
5a44c06509
commit
9deb9dd035
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@ -135,33 +135,6 @@ struct ShadowMapRenderTargets
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};
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};
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void imguiEnum(SmImpl::Enum& _enum)
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{
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_enum = (SmImpl::Enum)imguiChoose(_enum
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, "Hard"
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, "PCF"
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, "VSM"
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, "ESM"
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);
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}
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void imguiEnum(DepthImpl::Enum& _enum)
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{
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_enum = (DepthImpl::Enum)imguiChoose(_enum
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, "InvZ"
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, "Linear"
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);
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}
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void imguiEnum(LightType::Enum& _enum)
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{
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_enum = (LightType::Enum)imguiChoose(_enum
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, "Spot light"
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, "Point light"
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, "Directional light"
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);
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}
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struct PosNormalTexcoordVertex
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{
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float m_x;
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@ -1295,9 +1268,8 @@ struct SceneSettings
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float m_fovXAdjust;
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float m_fovYAdjust;
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float m_coverageSpotL;
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float m_numSplitsf;
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float m_splitDistribution;
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uint8_t m_numSplits;
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int m_numSplits;
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bool m_updateLights;
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bool m_updateScene;
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bool m_drawDepthBuffer;
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@ -1887,9 +1859,8 @@ class ExampleShadowmaps : public entry::AppI
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m_settings.m_fovXAdjust = 0.0f;
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m_settings.m_fovYAdjust = 0.0f;
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m_settings.m_coverageSpotL = 90.0f;
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m_settings.m_numSplitsf = 4.0f;
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m_settings.m_splitDistribution = 0.6f;
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m_settings.m_numSplits = uint8_t(m_settings.m_numSplitsf);
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m_settings.m_numSplits = 4;
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m_settings.m_updateLights = true;
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m_settings.m_updateScene = true;
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m_settings.m_drawDepthBuffer = false;
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@ -1999,136 +1970,163 @@ class ExampleShadowmaps : public entry::AppI
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, m_viewState.m_width
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, m_viewState.m_height
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);
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static int32_t rightScrollArea = 0;
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imguiBeginScrollArea("Settings", m_viewState.m_width - 256 - 10, 10, 256, 660, &rightScrollArea);
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ImGui::SetNextWindowPos(ImVec2(m_viewState.m_width - 300 - 10, 10) );
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ImGui::Begin("Settings"
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, NULL
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, ImVec2(300, 660)
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, ImGuiWindowFlags_AlwaysAutoResize
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);
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#define IMGUI_FLOAT_SLIDER(_name, _val) \
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imguiSlider(_name \
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, _val \
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ImGui::SliderFloat(_name \
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, &_val \
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, *( ((float*)&_val)+1) \
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, *( ((float*)&_val)+2) \
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, *( ((float*)&_val)+3) \
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)
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imguiBool("Update lights", m_settings.m_updateLights);
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imguiBool("Update scene", m_settings.m_updateScene);
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imguiSeparatorLine();
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imguiLabel("Shadow map depth:");
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imguiEnum(m_settings.m_depthImpl);
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#define IMGUI_RADIO_BUTTON(_name, _var, _val) \
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if ( ImGui::RadioButton(_name, _var == _val )) _var = _val;
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ImGui::Checkbox("Update lights", &m_settings.m_updateLights);
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ImGui::Checkbox("Update scene", &m_settings.m_updateScene);
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ImGui::Separator();
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ImGui::Text("Shadow map depth:");
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IMGUI_RADIO_BUTTON("InvZ", m_settings.m_depthImpl, DepthImpl::InvZ);
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IMGUI_RADIO_BUTTON("Linear", m_settings.m_depthImpl, DepthImpl::Linear);
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ShadowMapSettings* currentSmSettings = &m_smSettings[m_settings.m_lightType][m_settings.m_depthImpl][m_settings.m_smImpl];
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imguiSeparator();
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imguiBool("Draw depth buffer.", m_settings.m_drawDepthBuffer);
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ImGui::Separator();
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ImGui::Checkbox("Draw depth buffer", &m_settings.m_drawDepthBuffer);
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if (m_settings.m_drawDepthBuffer)
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{
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IMGUI_FLOAT_SLIDER("Depth value pow:", currentSmSettings->m_depthValuePow);
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IMGUI_FLOAT_SLIDER("Depth value pow", currentSmSettings->m_depthValuePow);
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}
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imguiSeparatorLine();
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imguiLabel("Shadow Map implementation:");
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imguiEnum(m_settings.m_smImpl);
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ImGui::Separator();
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ImGui::Text("Shadow Map implementation");
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IMGUI_RADIO_BUTTON("Hard", m_settings.m_smImpl, SmImpl::Hard);
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IMGUI_RADIO_BUTTON("PCF", m_settings.m_smImpl, SmImpl::PCF);
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IMGUI_RADIO_BUTTON("VSM", m_settings.m_smImpl, SmImpl::VSM);
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IMGUI_RADIO_BUTTON("ESM", m_settings.m_smImpl, SmImpl::ESM);
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currentSmSettings = &m_smSettings[m_settings.m_lightType][m_settings.m_depthImpl][m_settings.m_smImpl];
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imguiSeparator();
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IMGUI_FLOAT_SLIDER("Bias:", currentSmSettings->m_bias);
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IMGUI_FLOAT_SLIDER("Normal offset:", currentSmSettings->m_normalOffset);
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imguiSeparator();
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ImGui::Separator();
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IMGUI_FLOAT_SLIDER("Bias", currentSmSettings->m_bias);
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IMGUI_FLOAT_SLIDER("Normal offset", currentSmSettings->m_normalOffset);
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ImGui::Separator();
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if (LightType::DirectionalLight != m_settings.m_lightType)
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{
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IMGUI_FLOAT_SLIDER("Near plane:", currentSmSettings->m_near);
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IMGUI_FLOAT_SLIDER("Near plane", currentSmSettings->m_near);
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}
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IMGUI_FLOAT_SLIDER("Far plane:", currentSmSettings->m_far);
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imguiSeparator();
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IMGUI_FLOAT_SLIDER("Far plane", currentSmSettings->m_far);
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ImGui::Separator();
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switch(m_settings.m_smImpl)
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{
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case SmImpl::Hard:
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//imguiLabel("Hard");
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//ImGui::Text("Hard");
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break;
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case SmImpl::PCF:
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imguiLabel("PCF");
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IMGUI_FLOAT_SLIDER("X Offset:", currentSmSettings->m_xOffset);
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IMGUI_FLOAT_SLIDER("Y Offset:", currentSmSettings->m_yOffset);
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ImGui::Text("PCF");
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IMGUI_FLOAT_SLIDER("X Offset", currentSmSettings->m_xOffset);
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IMGUI_FLOAT_SLIDER("Y Offset", currentSmSettings->m_yOffset);
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break;
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case SmImpl::VSM:
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imguiLabel("VSM");
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ImGui::Text("VSM");
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IMGUI_FLOAT_SLIDER("Min variance", currentSmSettings->m_customParam0);
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IMGUI_FLOAT_SLIDER("Depth multiplier", currentSmSettings->m_customParam1);
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imguiBool("Blur shadow map", currentSmSettings->m_doBlur);
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ImGui::Checkbox("Blur shadow map", ¤tSmSettings->m_doBlur);
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if (currentSmSettings->m_doBlur)
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{
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IMGUI_FLOAT_SLIDER("Blur X Offset:", currentSmSettings->m_xOffset);
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IMGUI_FLOAT_SLIDER("Blur Y Offset:", currentSmSettings->m_yOffset);
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IMGUI_FLOAT_SLIDER("Blur X Offset", currentSmSettings->m_xOffset);
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IMGUI_FLOAT_SLIDER("Blur Y Offset", currentSmSettings->m_yOffset);
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}
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break;
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case SmImpl::ESM:
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imguiLabel("ESM");
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ImGui::Text("ESM");
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IMGUI_FLOAT_SLIDER("ESM Hardness", currentSmSettings->m_customParam0);
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IMGUI_FLOAT_SLIDER("Depth multiplier", currentSmSettings->m_customParam1);
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imguiBool("Blur shadow map", currentSmSettings->m_doBlur);
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ImGui::Checkbox("Blur shadow map", ¤tSmSettings->m_doBlur);
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if (currentSmSettings->m_doBlur)
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{
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IMGUI_FLOAT_SLIDER("Blur X Offset:", currentSmSettings->m_xOffset);
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IMGUI_FLOAT_SLIDER("Blur Y Offset:", currentSmSettings->m_yOffset);
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IMGUI_FLOAT_SLIDER("Blur X Offset", currentSmSettings->m_xOffset);
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IMGUI_FLOAT_SLIDER("Blur Y Offset", currentSmSettings->m_yOffset);
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}
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break;
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default:
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break;
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};
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ImGui::End();
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#undef IMGUI_RADIO_BUTTON
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imguiEndScrollArea();
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ImGui::SetNextWindowPos(ImVec2(10,70) );
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ImGui::Begin("Light"
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, NULL
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, ImVec2(330, 334)
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, ImGuiWindowFlags_AlwaysAutoResize
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);
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ImGui::PushItemWidth(185.0f);
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static int32_t leftScrollArea = 0;
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imguiBeginScrollArea("Light", 10, 70, 256, 334, &leftScrollArea);
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bool bLtChanged = false;
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if ( ImGui::RadioButton("Spot light", m_settings.m_lightType == LightType::SpotLight ))
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{
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m_settings.m_lightType = LightType::SpotLight; bLtChanged = true;
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}
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if ( ImGui::RadioButton("Point light", m_settings.m_lightType == LightType::PointLight ))
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{
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m_settings.m_lightType = LightType::PointLight; bLtChanged = true;
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}
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if ( ImGui::RadioButton("Directional light", m_settings.m_lightType == LightType::DirectionalLight ))
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{
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m_settings.m_lightType = LightType::DirectionalLight; bLtChanged = true;
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}
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ImGui::Separator();
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ImGui::Checkbox("Show shadow map coverage.", &m_settings.m_showSmCoverage);
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ImGui::Separator();
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ImGui::Text("Shadow map resolution: %ux%u", m_currentShadowMapSize, m_currentShadowMapSize);
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ImGui::SliderFloat("##SizePwrTwo", ¤tSmSettings->m_sizePwrTwo,
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currentSmSettings->m_sizePwrTwoMin,
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currentSmSettings->m_sizePwrTwoMax, "%.0f");
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const LightType::Enum ltBefore = m_settings.m_lightType;
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imguiEnum(m_settings.m_lightType);
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const LightType::Enum ltAfter = m_settings.m_lightType;
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const bool bLtChanged = (ltAfter != ltBefore);
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imguiSeparator();
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imguiBool("Show shadow map coverage.", m_settings.m_showSmCoverage);
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imguiSeparator();
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imguiLabel("Shadow map resolution: %ux%u", m_currentShadowMapSize, m_currentShadowMapSize);
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IMGUI_FLOAT_SLIDER(" ", currentSmSettings->m_sizePwrTwo);
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imguiSeparatorLine();
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ImGui::Separator();
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if (LightType::SpotLight == m_settings.m_lightType)
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{
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imguiLabel("Spot light");
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imguiSlider("Shadow map area:", m_settings.m_coverageSpotL, 45.0f, 120.0f, 1.0f);
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imguiSeparator();
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imguiSlider("Spot outer cone:", m_settings.m_spotOuterAngle, 0.0f, 91.0f, 0.1f);
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imguiSlider("Spot inner cone:", m_settings.m_spotInnerAngle, 0.0f, 90.0f, 0.1f);
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ImGui::Text("Spot light");
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ImGui::SliderFloat("Shadow map area", &m_settings.m_coverageSpotL, 45.0f, 120.0f);
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ImGui::Separator();
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ImGui::SliderFloat("Spot outer cone", &m_settings.m_spotOuterAngle, 0.0f, 91.0f);
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ImGui::SliderFloat("Spot inner cone", &m_settings.m_spotInnerAngle, 0.0f, 90.0f);
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}
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else if (LightType::PointLight == m_settings.m_lightType)
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{
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imguiLabel("Point light");
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imguiBool("Stencil pack", m_settings.m_stencilPack);
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imguiSlider("Fov X adjust:", m_settings.m_fovXAdjust, -20.0f, 20.0f, 0.0001f);
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imguiSlider("Fov Y adjust:", m_settings.m_fovYAdjust, -20.0f, 20.0f, 0.0001f);
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ImGui::Text("Point light");
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ImGui::Checkbox("Stencil pack", &m_settings.m_stencilPack);
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ImGui::SliderFloat("Fov X adjust", &m_settings.m_fovXAdjust, -20.0f, 20.0f);
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ImGui::SliderFloat("Fov Y adjust", &m_settings.m_fovYAdjust, -20.0f, 20.0f);
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}
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else if (LightType::DirectionalLight == m_settings.m_lightType)
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{
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imguiLabel("Directional light");
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imguiBool("Stabilize cascades", m_settings.m_stabilize);
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imguiSlider("Cascade splits:", m_settings.m_numSplitsf, 1.0f, 4.0f, 1.0f);
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imguiSlider("Cascade distribution:", m_settings.m_splitDistribution, 0.0f, 1.0f, 0.001f);
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m_settings.m_numSplits = uint8_t(m_settings.m_numSplitsf);
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ImGui::Text("Directional light");
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ImGui::Checkbox("Stabilize cascades", &m_settings.m_stabilize);
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ImGui::SliderInt("Cascade splits", &m_settings.m_numSplits, 1, 4);
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ImGui::SliderFloat("Cascade distribution", &m_settings.m_splitDistribution, 0.0f, 1.0f);
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}
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#undef IMGUI_FLOAT_SLIDER
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imguiEndScrollArea();
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ImGui::End();
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imguiEndFrame();
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// Update uniforms.
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