Texture size reduction on the fly for 3D model using metadata

[platform/core/uifw/dali-toolkit.git] / dali-scene3d / public-api / loader / material-definition.cpp

diff --git a/dali-scene3d/public-api/loader/material-definition.cpp b/dali-scene3d/public-api/loader/material-definition.cpp
index 9becc3a..7245652 100644 (file)
--- a/dali-scene3d/public-api/loader/material-definition.cpp
+++ b/dali-scene3d/public-api/loader/material-definition.cpp
@@ -100,9 +100,11 @@ Sampler SamplerFlags::MakeSampler(Type flags)
   return sampler;
 }
 
-TextureDefinition::TextureDefinition(const std::string& imageUri, SamplerFlags::Type samplerFlags)
+TextureDefinition::TextureDefinition(const std::string& imageUri, SamplerFlags::Type samplerFlags, ImageDimensions minImageDimensions, SamplingMode::Type samplingMode)
 : mImageUri(imageUri),
-  mSamplerFlags(samplerFlags)
+  mSamplerFlags(samplerFlags),
+  mMinImageDimensions(minImageDimensions),
+  mSamplingMode(samplingMode)
 {
 }
 
@@ -113,8 +115,8 @@ MaterialDefinition::LoadRaw(const std::string& imagesPath) const
 
   const bool hasTransparency = MaskMatch(mFlags, TRANSPARENCY);
   // Why we add additional count here?
-  uint32_t numBuffers = mTextureStages.size() + (hasTransparency ? !CheckTextures(ALBEDO) + !CheckTextures(METALLIC | ROUGHNESS) + !CheckTextures(NORMAL)
-                                                                 : !CheckTextures(ALBEDO | METALLIC) + !CheckTextures(NORMAL | ROUGHNESS));
+  uint32_t numBuffers = static_cast<uint32_t>(mTextureStages.size()) + (hasTransparency ? !CheckTextures(ALBEDO) + !CheckTextures(METALLIC | ROUGHNESS) + !CheckTextures(NORMAL)
+                                                                                        : !CheckTextures(ALBEDO | METALLIC) + !CheckTextures(NORMAL | ROUGHNESS));
   if(numBuffers == 0)
   {
     return raw;
@@ -130,12 +132,12 @@ MaterialDefinition::LoadRaw(const std::string& imagesPath) const
   // Check for compulsory textures: Albedo, Metallic, Roughness, Normal
   if(checkStage(ALBEDO | METALLIC))
   {
-    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
     ++iTexture;
 
     if(checkStage(NORMAL | ROUGHNESS))
     {
-      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
       ++iTexture;
     }
     else // single value normal-roughness
@@ -149,7 +151,7 @@ MaterialDefinition::LoadRaw(const std::string& imagesPath) const
   {
     if(checkStage(ALBEDO))
     {
-      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
       ++iTexture;
     }
     else if(mNeedAlbedoTexture) // single value albedo, albedo-alpha or albedo-metallic
@@ -183,7 +185,7 @@ MaterialDefinition::LoadRaw(const std::string& imagesPath) const
     const bool createMetallicRoughnessAndNormal = hasTransparency || std::distance(mTextureStages.begin(), iTexture) > 0;
     if(checkStage(METALLIC | ROUGHNESS))
     {
-      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
       ++iTexture;
     }
     else if(createMetallicRoughnessAndNormal && mNeedMetallicRoughnessTexture)
@@ -197,7 +199,7 @@ MaterialDefinition::LoadRaw(const std::string& imagesPath) const
 
     if(checkStage(NORMAL))
     {
-      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+      raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
       ++iTexture;
     }
     else if(mNeedNormalTexture)
@@ -220,19 +222,31 @@ MaterialDefinition::LoadRaw(const std::string& imagesPath) const
   // Extra textures.
   if(checkStage(SUBSURFACE))
   {
-    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
     ++iTexture;
   }
 
   if(checkStage(OCCLUSION))
   {
-    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
     ++iTexture;
   }
 
   if(checkStage(EMISSIVE))
   {
-    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri), iTexture->mTexture.mSamplerFlags});
+    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
+    ++iTexture;
+  }
+
+  if(checkStage(SPECULAR))
+  {
+    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
+    ++iTexture;
+  }
+
+  if(checkStage(SPECULAR_COLOR))
+  {
+    raw.mTextures.push_back({SyncImageLoader::Load(imagesPath + iTexture->mTexture.mImageUri, iTexture->mTexture.mMinImageDimensions, FittingMode::DEFAULT, iTexture->mTexture.mSamplingMode, true), iTexture->mTexture.mSamplerFlags});
     ++iTexture;
   }
 
@@ -261,7 +275,7 @@ TextureSet MaterialDefinition::Load(const EnvironmentDefinition::Vector& environ
   }
 
   // Assign textures to slots -- starting with 2D ones, then cubemaps, if any.
-  if(mEnvironmentIdx < environments.size())
+  if(mEnvironmentIdx < static_cast<Index>(environments.size()))
   {
     auto& envTextures = environments[mEnvironmentIdx].second;
     // If pre-computed brdf texture is defined, set the texture.