From 780d06883a769e30e9689005699cd6af89b13db1 Mon Sep 17 00:00:00 2001
From: Kearwood Gilbert <kearwood@kearwood.com>
Date: Mon, 16 Mar 2026 00:28:54 -0700
Subject: [PATCH] Refactoring KRTexture2D::uploadTexture, replacing with
 getLodData.

---
 kraken/resources/texture/KRTexture2D.cpp   |  18 ++-
 kraken/resources/texture/KRTexture2D.h     |   2 +-
 kraken/resources/texture/KRTextureCube.cpp |  16 ++-
 kraken/resources/texture/KRTextureKTX.cpp  |   5 +-
 kraken/resources/texture/KRTextureKTX.h    |   2 +-
 kraken/resources/texture/KRTextureKTX2.cpp |  10 +-
 kraken/resources/texture/KRTextureKTX2.h   |   2 +-
 kraken/resources/texture/KRTexturePNG.cpp  |   8 +-
 kraken/resources/texture/KRTexturePNG.h    |   2 +-
 kraken/resources/texture/KRTexturePVR.cpp  |   5 +-
 kraken/resources/texture/KRTexturePVR.h    |   2 +-
 kraken/resources/texture/KRTextureTGA.cpp  | 129 ++++++---------------
 kraken/resources/texture/KRTextureTGA.h    |   2 +-
 13 files changed, 79 insertions(+), 124 deletions(-)

diff --git a/kraken/resources/texture/KRTexture2D.cpp b/kraken/resources/texture/KRTexture2D.cpp
index d1f0bbb..a9faab4 100755
--- a/kraken/resources/texture/KRTexture2D.cpp
+++ b/kraken/resources/texture/KRTexture2D.cpp
@@ -32,6 +32,7 @@
 #include "KREngine-common.h"
 #include "KRTexture2D.h"
 #include "KRTextureManager.h"
+using namespace hydra;
 
 using namespace mimir;
 
@@ -51,6 +52,16 @@ bool KRTexture2D::createGPUTexture(int lod_max_dim)
     return true;
   }
 
+  Vector2i dimensions2d = getDimensions();
+  Vector3i dimensions = { dimensions2d.x, dimensions2d.y, 1 };
+  size_t bufferSize = getMemRequiredForSize(lod_max_dim);
+  void* buffer = malloc(bufferSize);
+
+  if (!getLodData(buffer, lod_max_dim)) {
+    delete buffer;
+    return false;
+  }
+
   bool success = true;
   int prev_lod_max_dim = m_new_lod_max_dim;
   m_new_lod_max_dim = 0;
@@ -91,12 +102,11 @@ bool KRTexture2D::createGPUTexture(int lod_max_dim)
       break;
     }
 
-    if (!uploadTexture(device, texture.image, lod_max_dim, m_new_lod_max_dim)) {
-      success = false;
-      break;
-    }
+    device.streamUpload((void*)buffer, bufferSize, dimensions, texture.image);
   }
 
+  delete buffer;
+
   if (success) {
     m_new_lod_max_dim = prev_lod_max_dim;
     m_haveNewHandles = true;
diff --git a/kraken/resources/texture/KRTexture2D.h b/kraken/resources/texture/KRTexture2D.h
index 6832ec1..81b218d 100755
--- a/kraken/resources/texture/KRTexture2D.h
+++ b/kraken/resources/texture/KRTexture2D.h
@@ -48,7 +48,7 @@ public:
   virtual bool save(const std::string& path) override;
   virtual bool save(mimir::Block& data) override;
 
-  virtual bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) = 0;
+  virtual bool getLodData(void* buffer, int lod_max_dim) = 0;
   virtual hydra::Vector2i getDimensions() const = 0;
 
 protected:
diff --git a/kraken/resources/texture/KRTextureCube.cpp b/kraken/resources/texture/KRTextureCube.cpp
index 934f818..54c5c2f 100755
--- a/kraken/resources/texture/KRTextureCube.cpp
+++ b/kraken/resources/texture/KRTextureCube.cpp
@@ -93,6 +93,14 @@ bool KRTextureCube::createGPUTexture(int lod_max_dim)
     return false;
   }
 
+  size_t bufferSizes[6] = {};
+  void* buffers[6] = {};
+  for (int i = 0; i < 6; i++) {
+      bufferSizes[i] = getMemRequiredForSize(lod_max_dim);
+      buffers[i] = malloc(bufferSizes[i]);
+	  m_textures[i]->getLodData(buffers[i], lod_max_dim);
+  }
+
   KRDeviceManager* deviceManager = getContext().getDeviceManager();
 
   for (auto deviceItr = deviceManager->getDevices().begin(); deviceItr != deviceManager->getDevices().end(); deviceItr++) {
@@ -117,7 +125,7 @@ bool KRTextureCube::createGPUTexture(int lod_max_dim)
       std::string faceName = getName() + SUFFIXES[i];
       if (m_textures[i]) {
         // TODO - Vulkan refactoring.  We need to create a cube map texture rather than individual 2d textures.
-        m_textures[i]->uploadTexture(device, texture.image, lod_max_dim, m_new_lod_max_dim);
+          device.streamUpload(buffers[i], bufferSizes[i], Vector3i::Create(dimensions.x, dimensions.y, 1), texture.image);
       }
     }
   }
@@ -128,6 +136,12 @@ bool KRTextureCube::createGPUTexture(int lod_max_dim)
     m_new_lod_max_dim = prev_lod_max_dim;
   }
 
+  for (int i = 0; i < 6; i++) {
+      if (buffers[i]) {
+          delete buffers[i];
+      }
+  }
+
   return success;
 }
 
diff --git a/kraken/resources/texture/KRTextureKTX.cpp b/kraken/resources/texture/KRTextureKTX.cpp
index f3c5cf7..b696bd8 100755
--- a/kraken/resources/texture/KRTextureKTX.cpp
+++ b/kraken/resources/texture/KRTextureKTX.cpp
@@ -391,8 +391,9 @@ long KRTextureKTX::getMemRequiredForSize(int max_dim)
   return memoryRequired;
 }
 
-bool KRTextureKTX::uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha)
+bool KRTextureKTX::getLodData(void* buffer, int lod_max_dim)
 {
+  unsigned char* converted_image = (unsigned char*)buffer;
   int target_dim = lod_max_dim;
   if (target_dim < (int)m_min_lod_max_dim) target_dim = m_min_lod_max_dim;
 
@@ -414,12 +415,14 @@ bool KRTextureKTX::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
     Block* block = *itr;
     if (width <= target_dim && height <= target_dim) {
 
+      /*
       if (width > current_lod_max_dim) {
         current_lod_max_dim = width;
       }
       if (height > current_lod_max_dim) {
         current_lod_max_dim = height;
       }
+      */
 
       block->lock();
       /*
diff --git a/kraken/resources/texture/KRTextureKTX.h b/kraken/resources/texture/KRTextureKTX.h
index 534c781..f615729 100755
--- a/kraken/resources/texture/KRTextureKTX.h
+++ b/kraken/resources/texture/KRTextureKTX.h
@@ -43,7 +43,7 @@ public:
   virtual ~KRTextureKTX();
   virtual std::string getExtension() override;
 
-  bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) override;
+  bool getLodData(void* buffer, int lod_max_dim) override;
 
   virtual long getMemRequiredForSize(int max_dim) override;
   virtual hydra::Vector2i getDimensions() const override;
diff --git a/kraken/resources/texture/KRTextureKTX2.cpp b/kraken/resources/texture/KRTextureKTX2.cpp
index 7127f06..64124a6 100644
--- a/kraken/resources/texture/KRTextureKTX2.cpp
+++ b/kraken/resources/texture/KRTextureKTX2.cpp
@@ -112,8 +112,9 @@ long KRTextureKTX2::getMemRequiredForSize(int max_dim)
   return memoryRequired;
 }
 
-bool KRTextureKTX2::uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha)
+bool KRTextureKTX2::getLodData(void* buffer, int lod_max_dim)
 {
+  unsigned char* converted_image = (unsigned char*)buffer;
   int target_dim = lod_max_dim;
   if (target_dim < (int)m_min_lod_max_dim) target_dim = m_min_lod_max_dim;
 
@@ -134,13 +135,6 @@ bool KRTextureKTX2::uploadTexture(KRDevice& device, VkImage& image, int lod_max_
 
     if (width <= target_dim && height <= target_dim) {
 
-      if (width > current_lod_max_dim) {
-        current_lod_max_dim = width;
-      }
-      if (height > current_lod_max_dim) {
-        current_lod_max_dim = height;
-      }
-
       /*
       * TODO - Vulkan Refactoring
       GLDEBUG(glCompressedTexImage2D(target, destination_level, (unsigned int)m_header.glInternalFormat, width, height, 0, (int)block->getSize(), block->getStart()));
diff --git a/kraken/resources/texture/KRTextureKTX2.h b/kraken/resources/texture/KRTextureKTX2.h
index 2441e39..af60448 100644
--- a/kraken/resources/texture/KRTextureKTX2.h
+++ b/kraken/resources/texture/KRTextureKTX2.h
@@ -40,7 +40,7 @@ public:
   virtual ~KRTextureKTX2();
   virtual std::string getExtension() override;
 
-  bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) override;
+  bool getLodData(void* buffer, int lod_max_dim) override;
 
   virtual long getMemRequiredForSize(int max_dim) override;
   virtual hydra::Vector2i getDimensions() const override;
diff --git a/kraken/resources/texture/KRTexturePNG.cpp b/kraken/resources/texture/KRTexturePNG.cpp
index 450efc5..f725b18 100644
--- a/kraken/resources/texture/KRTexturePNG.cpp
+++ b/kraken/resources/texture/KRTexturePNG.cpp
@@ -113,8 +113,9 @@ KRTexturePNG::~KRTexturePNG()
 
 }
 
-bool KRTexturePNG::uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha)
+bool KRTexturePNG::getLodData(void* buffer, int lod_max_dim)
 {
+    unsigned char* converted_image = (unsigned char*)buffer;
   // TODO - Vulkan Refactoring - Perhaps it would be more efficient to reformat the color channels during the copy to the staging buffer.
   m_pData->lock();
   PNG_HEADER* pHeader = (PNG_HEADER*)m_pData->getStart();
@@ -144,11 +145,6 @@ bool KRTexturePNG::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
 	  }
   }
 
-  uint8_t* converted_image = (unsigned char*)malloc(m_imageSize);
-  Vector3i dimensions = { m_dimensions.x, m_dimensions.y, 1 };
-  device.streamUpload((void*)converted_image, m_imageSize, dimensions, image);
-  current_lod_max_dim = m_max_lod_max_dim;
-  m_pData->unlock();
   return true;
 }
 
diff --git a/kraken/resources/texture/KRTexturePNG.h b/kraken/resources/texture/KRTexturePNG.h
index ca3c663..1d04079 100644
--- a/kraken/resources/texture/KRTexturePNG.h
+++ b/kraken/resources/texture/KRTexturePNG.h
@@ -42,7 +42,7 @@ public:
   virtual ~KRTexturePNG();
   virtual std::string getExtension() override;
 
-  bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) override;
+  bool getLodData(void* buffer, int lod_max_dim) override;
 
 #if !TARGET_OS_IPHONE && !defined(ANDROID)
   virtual KRTexture* compress(bool premultiply_alpha = false) override;
diff --git a/kraken/resources/texture/KRTexturePVR.cpp b/kraken/resources/texture/KRTexturePVR.cpp
index 78a0ccb..fdb86e5 100755
--- a/kraken/resources/texture/KRTexturePVR.cpp
+++ b/kraken/resources/texture/KRTexturePVR.cpp
@@ -201,7 +201,7 @@ long KRTexturePVR::getMemRequiredForSize(int max_dim)
   return memoryRequired;
 }
 
-bool KRTexturePVR::uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha)
+bool KRTexturePVR::getLodData(void* buffer, int lod_max_dim)
 {
   int target_dim = lod_max_dim;
   if (target_dim < (int)m_min_lod_max_dim) target_dim = m_min_lod_max_dim;
@@ -222,13 +222,14 @@ bool KRTexturePVR::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
   for (std::list<Block*>::iterator itr = m_blocks.begin(); itr != m_blocks.end(); itr++) {
     Block* block = *itr;
     if (width <= target_dim && height <= target_dim) {
-
+      /*
       if (width > current_lod_max_dim) {
         current_lod_max_dim = width;
       }
       if (height > current_lod_max_dim) {
         current_lod_max_dim = height;
       }
+      */
 
       block->lock();
       /*
diff --git a/kraken/resources/texture/KRTexturePVR.h b/kraken/resources/texture/KRTexturePVR.h
index cdad4a2..a652b90 100755
--- a/kraken/resources/texture/KRTexturePVR.h
+++ b/kraken/resources/texture/KRTexturePVR.h
@@ -40,7 +40,7 @@ public:
   virtual ~KRTexturePVR();
   virtual std::string getExtension() override;
 
-  bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) override;
+  bool getLodData(void* buffer, int lod_max_dim) override;
 
   virtual long getMemRequiredForSize(int max_dim) override;
   virtual hydra::Vector2i getDimensions() const override;
diff --git a/kraken/resources/texture/KRTextureTGA.cpp b/kraken/resources/texture/KRTextureTGA.cpp
index 16c690d..47be3f1 100755
--- a/kraken/resources/texture/KRTextureTGA.cpp
+++ b/kraken/resources/texture/KRTextureTGA.cpp
@@ -118,9 +118,9 @@ KRTextureTGA::~KRTextureTGA()
 
 }
 
-bool KRTextureTGA::uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha)
+bool KRTextureTGA::getLodData(void* buffer, int lod_max_dim)
 {
-  // TODO - Vulkan Refactoring - Perhaps it would be more efficient to reformat the color channels during the copy to the staging buffer.
+  unsigned char* converted_image = (unsigned char*)buffer;
 
   m_pData->lock();
   TGA_HEADER* pHeader = (TGA_HEADER*)m_pData->getStart();
@@ -138,7 +138,7 @@ bool KRTextureTGA::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
     switch (pHeader->bitsperpixel) {
     case 24:
     {
-      unsigned char* converted_image = (unsigned char*)malloc(pHeader->width * pHeader->height * 4);
+      
       unsigned char* pSource = pData;
       unsigned char* pDest = converted_image;
       unsigned char* pEnd = pData + pHeader->height * pHeader->width * 3;
@@ -150,49 +150,22 @@ bool KRTextureTGA::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
         pSource += 3;
       }
       assert(pSource <= m_pData->getEnd());
-      device.streamUpload((void*)converted_image, pDest - converted_image, dimensions, image);
-      free(converted_image);
-
-      current_lod_max_dim = m_max_lod_max_dim;
     }
     break;
     case 32:
     {
-      if (premultiply_alpha) {
-        unsigned char* converted_image = (unsigned char*)malloc(pHeader->width * pHeader->height * 4);
-
         unsigned char* pSource = pData;
         unsigned char* pDest = converted_image;
         unsigned char* pEnd = pData + pHeader->height * pHeader->width * 3;
         while (pSource < pEnd) {
-          *pDest++ = (__uint32_t)pSource[2] * (__uint32_t)pSource[3] / 0xff;
-          *pDest++ = (__uint32_t)pSource[1] * (__uint32_t)pSource[3] / 0xff;
-          *pDest++ = (__uint32_t)pSource[0] * (__uint32_t)pSource[3] / 0xff;
-          *pDest++ = pSource[3];
-          pSource += 4;
-        }
-        assert(pSource <= m_pData->getEnd());
-        device.streamUpload((void*)converted_image, pDest - converted_image, dimensions, image);
-        free(converted_image);
-      } else {
-        unsigned char* converted_image = (unsigned char*)malloc(pHeader->width * pHeader->height * 4);
-
-        unsigned char* pSource = pData;
-        unsigned char* pDest = converted_image;
-        unsigned char* pEnd = pData + pHeader->height * pHeader->width * 3;
-        while (pSource < pEnd) {
-          *pDest++ = (__uint32_t)pSource[2];
-          *pDest++ = (__uint32_t)pSource[1];
-          *pDest++ = (__uint32_t)pSource[0];
-          *pDest++ = pSource[3];
-          pSource += 4;
-        }
-        assert(pSource <= m_pData->getEnd());
-        device.streamUpload((void*)converted_image, pDest - converted_image, dimensions, image);
-        free(converted_image);
+            *pDest++ = (__uint32_t)pSource[2];
+            *pDest++ = (__uint32_t)pSource[1];
+            *pDest++ = (__uint32_t)pSource[0];
+            *pDest++ = pSource[3];
+            pSource += 4;
+        
+            assert(pSource <= m_pData->getEnd());
       }
-
-      current_lod_max_dim = m_max_lod_max_dim;
     }
     break;
     default:
@@ -204,73 +177,40 @@ bool KRTextureTGA::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
     switch (pHeader->bitsperpixel) {
     case 32:
     {
-      unsigned char* converted_image = (unsigned char*)malloc(pHeader->width * pHeader->height * 4);
       unsigned char* pSource = pData;
       unsigned char* pDest = converted_image;
       unsigned char* pEnd = converted_image + pHeader->height * pHeader->width * 4;
-      if (premultiply_alpha) {
-        while (pDest < pEnd) {
-          int count = (*pSource & 0x7f) + 1;
-          if (*pSource & 0x80) {
-            // RLE Packet
-            pSource++;
-            while (count--) {
-              *pDest++ = (__uint32_t)pSource[2] * (__uint32_t)pSource[3] / 0xff;
-              *pDest++ = (__uint32_t)pSource[1] * (__uint32_t)pSource[3] / 0xff;
-              *pDest++ = (__uint32_t)pSource[0] * (__uint32_t)pSource[3] / 0xff;
-              *pDest++ = pSource[3];
-            }
+      
+      while (pDest < pEnd) {
+        int count = (*pSource & 0x7f) + 1;
+        if (*pSource & 0x80) {
+          // RLE Packet
+          pSource++;
+          while (count--) {
+            *pDest++ = pSource[2];
+            *pDest++ = pSource[1];
+            *pDest++ = pSource[0];
+            *pDest++ = pSource[3];
+          }
+          pSource += 4;
+        } else {
+          // RAW Packet
+          pSource++;
+          while (count--) {
+            *pDest++ = pSource[2];
+            *pDest++ = pSource[1];
+            *pDest++ = pSource[0];
+            *pDest++ = pSource[3];
             pSource += 4;
-          } else {
-            // RAW Packet
-            pSource++;
-            while (count--) {
-              *pDest++ = (__uint32_t)pSource[2] * (__uint32_t)pSource[3] / 0xff;
-              *pDest++ = (__uint32_t)pSource[1] * (__uint32_t)pSource[3] / 0xff;
-              *pDest++ = (__uint32_t)pSource[0] * (__uint32_t)pSource[3] / 0xff;
-              *pDest++ = pSource[3];
-              pSource += 4;
-            }
           }
         }
-        assert(pSource <= m_pData->getEnd());
-        assert(pDest == pEnd);
-      } else {
-        while (pDest < pEnd) {
-          int count = (*pSource & 0x7f) + 1;
-          if (*pSource & 0x80) {
-            // RLE Packet
-            pSource++;
-            while (count--) {
-              *pDest++ = pSource[2];
-              *pDest++ = pSource[1];
-              *pDest++ = pSource[0];
-              *pDest++ = pSource[3];
-            }
-            pSource += 4;
-          } else {
-            // RAW Packet
-            pSource++;
-            while (count--) {
-              *pDest++ = pSource[2];
-              *pDest++ = pSource[1];
-              *pDest++ = pSource[0];
-              *pDest++ = pSource[3];
-              pSource += 4;
-            }
-          }
-        }
-        assert(pSource <= m_pData->getEnd());
-        assert(pDest == pEnd);
       }
-      device.streamUpload((void*)converted_image, pDest - converted_image, dimensions, image);
-      free(converted_image);
-      current_lod_max_dim = m_max_lod_max_dim;
+      assert(pSource <= m_pData->getEnd());
+      assert(pDest == pEnd);
     }
     break;
     case 24:
     {
-      unsigned char* converted_image = (unsigned char*)malloc(pHeader->width * pHeader->height * 4);
       unsigned char* pSource = pData;
       unsigned char* pDest = converted_image;
       unsigned char* pEnd = converted_image + pHeader->height * pHeader->width * 4;
@@ -300,9 +240,6 @@ bool KRTextureTGA::uploadTexture(KRDevice& device, VkImage& image, int lod_max_d
       }
       assert(pSource <= m_pData->getEnd());
       assert(pDest == pEnd);
-      device.streamUpload((void*)converted_image, pDest - converted_image, dimensions, image);
-      free(converted_image);
-      current_lod_max_dim = m_max_lod_max_dim;
     }
     break;
     default:
diff --git a/kraken/resources/texture/KRTextureTGA.h b/kraken/resources/texture/KRTextureTGA.h
index 9cea70b..0332f51 100755
--- a/kraken/resources/texture/KRTextureTGA.h
+++ b/kraken/resources/texture/KRTextureTGA.h
@@ -42,7 +42,7 @@ public:
   virtual ~KRTextureTGA();
   virtual std::string getExtension() override;
 
-  bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) override;
+  bool getLodData(void* buffer, int lod_max_dim) override;
 
 #if !TARGET_OS_IPHONE && !defined(ANDROID)
   virtual KRTexture* compress(bool premultiply_alpha = false) override;