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18-ibl: switched to imgui (#1178)

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attilaz 2017-06-23 23:38:08 +02:00 committed by Branimir Karadžić
parent 2bab41f251
commit e92708a5b2
1 changed files with 109 additions and 78 deletions
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187
examples/18-ibl/ibl.cpp
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@ -475,11 +475,28 @@ struct Settings
bool m_showLightColorWheel;
bool m_showDiffColorWheel;
bool m_showSpecColorWheel;
uint8_t m_metalOrSpec;
uint8_t m_meshSelection;
int32_t m_metalOrSpec;
int32_t m_meshSelection;
ImguiCubemap::Enum m_crossCubemapPreview;
};
bool ImGuiTabButton(const char* _text, float _width, bool _active)
{
if ( _active )
{
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(1.0f,0.75f,0.0f,0.78f));
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(0.0f,0.0f,0.0f,1.0f));
}
else
{
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.5f,0.5f,0.5f,0.7f));
}
bool retval = ImGui::Button(_text, ImVec2(_width,20.0f));
ImGui::PopStyleColor(_active ? 2 : 1);
return retval;
}
class ExampleIbl : public entry::AppI
{
@ -584,112 +601,126 @@ class ExampleIbl : public entry::AppI
, uint16_t(m_height)
);
static int32_t rightScrollArea = 0;
imguiBeginScrollArea("", m_width - 256 - 10, 10, 256, 700, &rightScrollArea);
ImGui::SetNextWindowPos(ImVec2(m_width - 320.0f - 10.0f, 10.0f) );
ImGui::Begin("Settings"
, NULL
, ImVec2(320.0f, 700.0f)
, ImGuiWindowFlags_AlwaysAutoResize
);
ImGui::PushItemWidth(180.0f);
imguiLabel("Environment light:");
imguiIndent();
imguiBool("IBL Diffuse", m_settings.m_doDiffuseIbl);
imguiBool("IBL Specular", m_settings.m_doSpecularIbl);
m_currentLightProbe = LightProbe::Enum(imguiTabs(
uint8_t(m_currentLightProbe)
, true
, ImguiAlign::LeftIndented
, 16
, 2
, 2
, "Bolonga"
, "Kyoto"
) );
if (imguiCube(m_lightProbes[m_currentLightProbe].m_tex, m_settings.m_lod, m_settings.m_crossCubemapPreview, true) )
{
m_settings.m_crossCubemapPreview = ImguiCubemap::Enum( (m_settings.m_crossCubemapPreview+1) % ImguiCubemap::Count);
}
imguiSlider("Texture LOD", m_settings.m_lod, 0.0f, 10.1f, 0.1f);
imguiUnindent();
ImGui::Text("Environment light:");
ImGui::Indent();
ImGui::Checkbox("IBL Diffuse", &m_settings.m_doDiffuseIbl);
ImGui::Checkbox("IBL Specular", &m_settings.m_doSpecularIbl);
imguiSeparator(8);
imguiLabel("Directional light:");
imguiIndent();
imguiBool("Diffuse", m_settings.m_doDiffuse);
imguiBool("Specular", m_settings.m_doSpecular);
float tabWidth = ImGui::GetContentRegionAvailWidth() / 2.0f;
if ( ImGuiTabButton("Bolonga", tabWidth, m_currentLightProbe == LightProbe::Bolonga)) m_currentLightProbe = LightProbe::Bolonga;
ImGui::SameLine(0.0f,0.0f);
if ( ImGuiTabButton("Kyoto", tabWidth, m_currentLightProbe == LightProbe::Kyoto)) m_currentLightProbe = LightProbe::Kyoto;
//if (imguiCube(m_lightProbes[m_currentLightProbe].m_tex, m_settings.m_lod, m_settings.m_crossCubemapPreview, true) )
//{
// m_settings.m_crossCubemapPreview = ImguiCubemap::Enum( (m_settings.m_crossCubemapPreview+1) % ImguiCubemap::Count);
//}
ImGui::SliderFloat("Texture LOD", &m_settings.m_lod, 0.0f, 10.1f);
ImGui::Unindent();
ImGui::Separator();
ImGui::Text("Directional light:");
ImGui::Indent();
ImGui::Checkbox("Diffuse", &m_settings.m_doDiffuse);
ImGui::Checkbox("Specular", &m_settings.m_doSpecular);
const bool doDirectLighting = m_settings.m_doDiffuse || m_settings.m_doSpecular;
imguiSlider("Light direction X", m_settings.m_lightDir[0], -1.0f, 1.0f, 0.1f, doDirectLighting);
imguiSlider("Light direction Y", m_settings.m_lightDir[1], -1.0f, 1.0f, 0.1f, doDirectLighting);
imguiSlider("Light direction Z", m_settings.m_lightDir[2], -1.0f, 1.0f, 0.1f, doDirectLighting);
imguiColorWheel("Color:", m_settings.m_lightCol, m_settings.m_showLightColorWheel, 0.6f, doDirectLighting);
imguiUnindent();
if ( doDirectLighting )
{
ImGui::SliderFloat("Light direction X", &m_settings.m_lightDir[0], -1.0f, 1.0f);
ImGui::SliderFloat("Light direction Y", &m_settings.m_lightDir[1], -1.0f, 1.0f);
ImGui::SliderFloat("Light direction Z", &m_settings.m_lightDir[2], -1.0f, 1.0f);
ImGui::ColorWheel("Color:", m_settings.m_lightCol, 0.6f);
}
ImGui::Unindent();
imguiSeparator(8);
imguiLabel("Background:");
imguiIndent();
ImGui::Separator();
ImGui::Text("Background:");
ImGui::Indent();
{
int32_t selection;
if (0.0f == m_settings.m_bgType) { selection = UINT8_C(0); }
else if (7.0f == m_settings.m_bgType) { selection = UINT8_C(2); }
else { selection = UINT8_C(1); }
selection = imguiTabs(
uint8_t(selection)
, true
, ImguiAlign::LeftIndented
, 16
, 2
, 3
, "Skybox"
, "Radiance"
, "Irradiance"
);
float tabWidth = ImGui::GetContentRegionAvailWidth() / 3.0f;
if ( ImGuiTabButton("Skybox", tabWidth, selection == 0)) selection = 0;
ImGui::SameLine(0.0f,0.0f);
if ( ImGuiTabButton("Radiance", tabWidth, selection == 1)) selection = 1;
ImGui::SameLine(0.0f,0.0f);
if ( ImGuiTabButton("Irradiance", tabWidth, selection == 2)) selection = 2;
if (0 == selection) { m_settings.m_bgType = 0.0f; }
else if (2 == selection) { m_settings.m_bgType = 7.0f; }
else { m_settings.m_bgType = m_settings.m_radianceSlider; }
const bool isRadiance = (selection == 1);
imguiSlider("Mip level", m_settings.m_radianceSlider, 1.0f, 6.0f, 0.1f, isRadiance);
if ( isRadiance )
ImGui::SliderFloat("Mip level", &m_settings.m_radianceSlider, 1.0f, 6.0f);
}
imguiUnindent();
ImGui::Unindent();
imguiSeparator(8);
imguiLabel("Post processing:");
imguiIndent();
imguiSlider("Exposure", m_settings.m_exposure, -4.0f, 4.0f, 0.1f);
imguiUnindent();
ImGui::Separator();
ImGui::Text("Post processing:");
ImGui::Indent();
ImGui::SliderFloat("Exposure",& m_settings.m_exposure, -4.0f, 4.0f);
ImGui::Unindent();
imguiSeparator();
ImGui::PopItemWidth();
ImGui::End();
imguiEndScrollArea();
ImGui::SetNextWindowPos(ImVec2(10.0f, 70.0f) );
ImGui::Begin("Mesh"
, NULL
, ImVec2(280.0f, 636.0f)
, ImGuiWindowFlags_AlwaysAutoResize
);
imguiBeginScrollArea("", 10, 70, 256, 636, &m_leftScrollArea);
imguiLabel("Mesh:");
imguiIndent();
ImGui::Text("Mesh:");
ImGui::Indent();
ImGui::RadioButton("Bunny", &m_settings.m_meshSelection, 0);
ImGui::RadioButton("Orbs", &m_settings.m_meshSelection, 1);
m_settings.m_meshSelection = uint8_t(imguiChoose(m_settings.m_meshSelection, "Bunny", "Orbs") );
imguiUnindent();
ImGui::Unindent();
const bool isBunny = (0 == m_settings.m_meshSelection);
if (!isBunny)
{
m_settings.m_metalOrSpec = 0;
}
else
{
ImGui::Separator();
ImGui::Text("Workflow:");
ImGui::Indent();
ImGui::RadioButton("Metalness", &m_settings.m_metalOrSpec, 0);
ImGui::RadioButton("Specular", &m_settings.m_metalOrSpec, 1);
ImGui::Unindent();
imguiSeparator(4);
imguiLabel("Workflow:");
imguiIndent();
if (imguiCheck("Metalness", 0 == m_settings.m_metalOrSpec, isBunny) ) { m_settings.m_metalOrSpec = 0; }
if (imguiCheck("Specular", 1 == m_settings.m_metalOrSpec, isBunny) ) { m_settings.m_metalOrSpec = 1; }
imguiUnindent();
ImGui::Separator();
ImGui::Text("Material:");
ImGui::Indent();
ImGui::PushItemWidth(130.0f);
ImGui::SliderFloat("Glossiness", &m_settings.m_glossiness, 0.0f, 1.0f);
ImGui::SliderFloat(0 == m_settings.m_metalOrSpec ? "Metalness" : "Diffuse - Specular", &m_settings.m_reflectivity, 0.0f, 1.0f);
ImGui::PopItemWidth();
ImGui::Unindent();
}
imguiSeparator(4);
imguiLabel("Material:");
imguiIndent();
imguiSlider("Glossiness", m_settings.m_glossiness, 0.0f, 1.0f, 0.01f, isBunny);
imguiSlider(0 == m_settings.m_metalOrSpec ? "Metalness" : "Diffuse - Specular", m_settings.m_reflectivity, 0.0f, 1.0f, 0.01f, isBunny);
imguiUnindent();
imguiColorWheel("Diffuse:", &m_settings.m_rgbDiff[0], m_settings.m_showDiffColorWheel, 0.7f);
imguiSeparator();
imguiColorWheel("Specular:", &m_settings.m_rgbSpec[0], m_settings.m_showSpecColorWheel, 0.7f, (1 == m_settings.m_metalOrSpec) && isBunny);
ImGui::ColorWheel("Diffuse:", &m_settings.m_rgbDiff[0], 0.7f);
ImGui::Separator();
if ( (1 == m_settings.m_metalOrSpec) && isBunny )
ImGui::ColorWheel("Specular:", &m_settings.m_rgbSpec[0], 0.7f);
imguiEndScrollArea();
ImGui::End();
imguiEndFrame();