Vulkan refactoring - Removed OpenGL state mirroring code

kraken/KREngine-common.h

@@ -116,8 +116,6 @@ using std::queue;
 #define KRAKEN_HAVE_BLAS 1
 #endif
 
-#define KRENGINE_MAX_TEXTURE_UNITS 8
-
 
 #if !defined(__i386__) && defined(__arm__)
 #define KRAKEN_USE_ARM_NEON

kraken/KRLight.cpp

@@ -467,11 +467,12 @@ void KRLight::allocateShadowBuffers(int cBuffers)
       GLDEBUG(glBindFramebuffer(GL_FRAMEBUFFER, shadowFramebuffer[iShadow]));
 
       // ----- Create Depth Texture for shadowFramebuffer -----
+      // TODO - Vulkan Refactoring.  Note: shadowDepthTexture Sampler needs clamp-to-edge and linear filtering
       GLDEBUG(glBindTexture(GL_TEXTURE_2D, shadowDepthTexture[iShadow]));
       GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
       GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
-      m_pContext->getTextureManager()->_setWrapModeS(shadowDepthTexture[iShadow], GL_CLAMP_TO_EDGE);
+      // m_pContext->getTextureManager()->_setWrapModeS(shadowDepthTexture[iShadow], GL_CLAMP_TO_EDGE);
-      m_pContext->getTextureManager()->_setWrapModeT(shadowDepthTexture[iShadow], GL_CLAMP_TO_EDGE);
+      // m_pContext->getTextureManager()->_setWrapModeT(shadowDepthTexture[iShadow], GL_CLAMP_TO_EDGE);
 #if GL_EXT_shadow_samplers
       GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_EXT, GL_COMPARE_REF_TO_TEXTURE_EXT)); // TODO - Detect GL_EXT_shadow_samplers and only activate if available
       GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_EXT, GL_LEQUAL)); // TODO - Detect GL_EXT_shadow_samplers and only activate if available

kraken/KRPipeline.cpp

@@ -651,31 +651,27 @@ bool KRPipeline::bind(VkCommandBuffer& commandBuffer, KRCamera& camera, const KR
         if (light_directional_count == 0) {
           int cShadowBuffers = directional_light->getShadowBufferCount();
           if (hasPushConstant(PushConstant::shadowtexture1) && cShadowBuffers > 0) {
+            // TODO - Vulkan Refactoring.  Note: Sampler needs clamp-to-edge and linear filtering
             if (m_pContext->getTextureManager()->selectTexture(GL_TEXTURE_2D, 3, directional_light->getShadowTextures()[0])) {
               GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
               GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
             }
-
-            m_pContext->getTextureManager()->_setWrapModeS(3, GL_CLAMP_TO_EDGE);
-            m_pContext->getTextureManager()->_setWrapModeT(3, GL_CLAMP_TO_EDGE);
           }
 
           if (hasPushConstant(PushConstant::shadowtexture2) && cShadowBuffers > 1 && camera.settings.m_cShadowBuffers > 1) {
+            // TODO - Vulkan Refactoring.  Note: Sampler needs clamp-to-edge and linear filtering
             if (m_pContext->getTextureManager()->selectTexture(GL_TEXTURE_2D, 4, directional_light->getShadowTextures()[1])) {
               GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
               GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
             }
-            m_pContext->getTextureManager()->_setWrapModeS(4, GL_CLAMP_TO_EDGE);
-            m_pContext->getTextureManager()->_setWrapModeT(4, GL_CLAMP_TO_EDGE);
           }
 
           if (hasPushConstant(PushConstant::shadowtexture3) && cShadowBuffers > 2 && camera.settings.m_cShadowBuffers > 2) {
+            // TODO - Vulkan Refactoring.  Note: Sampler needs clamp-to-edge and linear filtering
             if (m_pContext->getTextureManager()->selectTexture(GL_TEXTURE_2D, 5, directional_light->getShadowTextures()[2])) {
               GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
               GLDEBUG(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
             }
-            m_pContext->getTextureManager()->_setWrapModeS(5, GL_CLAMP_TO_EDGE);
-            m_pContext->getTextureManager()->_setWrapModeT(5, GL_CLAMP_TO_EDGE);
           }
 
           Matrix4 matBias;

kraken/KRTextureManager.cpp

@@ -46,8 +46,6 @@ KRTextureManager::KRTextureManager(KRContext& context) : KRResourceManager(conte
 
   m_memoryTransferredThisFrame = 0;
   m_streamerComplete = true;
-
-  _clearGLState();
 }
 
 void KRTextureManager::destroy()
@@ -64,27 +62,11 @@ KRTextureManager::~KRTextureManager()
   assert(m_textures.empty());
 }
 
-void KRTextureManager::_clearGLState()
-{
-  for (int i = 0; i < KRENGINE_MAX_TEXTURE_UNITS; i++) {
-    m_maxAnisotropy = -1.0f;
-  }
-}
-
-void KRTextureManager::_setWrapModeS(GLuint i, GLuint wrap_mode)
-{
-}
-
 void KRTextureManager::setMaxAnisotropy(float max_anisotropy)
 {
   m_maxAnisotropy = max_anisotropy;
 }
 
-void KRTextureManager::_setWrapModeT(GLuint i, GLuint wrap_mode)
-{
-}
-
-
 KRResource* KRTextureManager::loadResource(const std::string& name, const std::string& extension, KRDataBlock* data)
 {
   /*
@@ -236,8 +218,6 @@ long KRTextureManager::getMemActive()
 
 void KRTextureManager::startFrame(float deltaTime)
 {
-  _clearGLState();
-
   // TODO - Implement proper double-buffering to reduce copy operations
   m_streamerFenceMutex.lock();
 

kraken/KRTextureManager.h

@@ -75,10 +75,6 @@ public:
 
   std::set<KRTexture*>& getActiveTextures();
 
-  void _setWrapModeS(GLuint i, GLuint wrap_mode);
-  void _setWrapModeT(GLuint i, GLuint wrap_mode);
-
-  void _clearGLState();
   void setMaxAnisotropy(float max_anisotropy);
 
   void doStreaming(long& memoryRemaining, long& memoryRemainingThisFrame);