From a24d14796a47eea5a199fdf316a619d723d230d0 Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@codeweavers.com>
Date: Wed, 14 Oct 2009 10:55:17 +0200
Subject: [PATCH] wined3d: Remove the useless "changed" and "enabledChanged"
 fields from struct wined3d_light_info.

---
 dlls/wined3d/device.c          |  2 --
 dlls/wined3d/stateblock.c      | 52 +++++++++++++---------------------
 dlls/wined3d/wined3d_private.h |  2 --
 3 files changed, 19 insertions(+), 37 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index a94c4bb17c..33c15ec9ae 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -2485,7 +2485,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetLight(IWineD3DDevice *iface, DWORD I
         list_add_head(&This->updateStateBlock->lightMap[Hi], &object->entry);
         object->glIndex = -1;
         object->OriginalIndex = Index;
-        object->changed = TRUE;
     }
 
     /* Initialize the object */
@@ -2636,7 +2635,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetLightEnable(IWineD3DDevice *iface, D
         }
     }
 
-    lightInfo->enabledChanged = TRUE;
     if(!Enable) {
         if(lightInfo->glIndex != -1) {
             if(!This->isRecordingState) {
diff --git a/dlls/wined3d/stateblock.c b/dlls/wined3d/stateblock.c
index 74a9f3a6b6..862eb66544 100644
--- a/dlls/wined3d/stateblock.c
+++ b/dlls/wined3d/stateblock.c
@@ -447,8 +447,6 @@ static void stateblock_init_lights(IWineD3DStateBlockImpl *stateblock, struct li
             struct wined3d_light_info *dst_light = HeapAlloc(GetProcessHeap(), 0, sizeof(*dst_light));
 
             *dst_light = *src_light;
-            dst_light->changed = TRUE;
-            dst_light->enabledChanged = TRUE;
             list_add_tail(&stateblock->lightMap[i], &dst_light->entry);
         }
     }
@@ -561,42 +559,34 @@ static void record_lights(IWineD3DStateBlockImpl *This, const IWineD3DStateBlock
         LIST_FOR_EACH(e, &This->lightMap[i]) {
             BOOL updated = FALSE;
             struct wined3d_light_info *src = LIST_ENTRY(e, struct wined3d_light_info, entry), *realLight;
-            if (!src->changed && !src->enabledChanged) continue;
 
             /* Look up the light in the destination */
             LIST_FOR_EACH(f, &targetStateBlock->lightMap[i]) {
                 realLight = LIST_ENTRY(f, struct wined3d_light_info, entry);
-                if(realLight->OriginalIndex == src->OriginalIndex) {
-                    if(src->changed) {
-                        src->OriginalParms = realLight->OriginalParms;
+                if (realLight->OriginalIndex == src->OriginalIndex)
+                {
+                    src->OriginalParms = realLight->OriginalParms;
+
+                    if (realLight->glIndex == -1 && src->glIndex != -1)
+                    {
+                        /* Light disabled */
+                        This->activeLights[src->glIndex] = NULL;
                     }
-                    if(src->enabledChanged) {
-                            /* Need to double check because enabledChanged does not catch enabled -> disabled -> enabled
-                        * or disabled -> enabled -> disabled changes
-                            */
-                        if(realLight->glIndex == -1 && src->glIndex != -1) {
-                            /* Light disabled */
-                            This->activeLights[src->glIndex] = NULL;
-                        } else if(realLight->glIndex != -1 && src->glIndex == -1){
-                            /* Light enabled */
-                            This->activeLights[realLight->glIndex] = src;
-                        }
-                        src->glIndex = realLight->glIndex;
+                    else if (realLight->glIndex != -1 && src->glIndex == -1)
+                    {
+                        /* Light enabled */
+                        This->activeLights[realLight->glIndex] = src;
                     }
+                    src->glIndex = realLight->glIndex;
                     updated = TRUE;
                     break;
                 }
             }
 
-            if(updated) {
-                /* Found a light, all done, proceed with next hash entry */
-                continue;
-            } else if(src->changed) {
-                /* Otherwise assign defaul params */
-                src->OriginalParms = WINED3D_default_light;
-            } else {
-                /* Not enabled by default */
-                src->glIndex = -1;
+            if (!updated)
+            {
+                ERR("Light %u in stateblock %p does not exist in device stateblock %p.\n",
+                        src->OriginalIndex, This, targetStateBlock);
             }
         }
     }
@@ -987,12 +977,8 @@ static void apply_lights(IWineD3DDevice *pDevice, const IWineD3DStateBlockImpl *
         {
             const struct wined3d_light_info *light = LIST_ENTRY(e, struct wined3d_light_info, entry);
 
-            if(light->changed) {
-                IWineD3DDevice_SetLight(pDevice, light->OriginalIndex, &light->OriginalParms);
-            }
-            if(light->enabledChanged) {
-                IWineD3DDevice_SetLightEnable(pDevice, light->OriginalIndex, light->glIndex != -1);
-            }
+            IWineD3DDevice_SetLight(pDevice, light->OriginalIndex, &light->OriginalParms);
+            IWineD3DDevice_SetLightEnable(pDevice, light->OriginalIndex, light->glIndex != -1);
         }
     }
 }
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 4077d81f9d..69467e0b5f 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1208,8 +1208,6 @@ struct wined3d_light_info
     WINED3DLIGHT OriginalParms; /* Note D3D8LIGHT == D3D9LIGHT */
     DWORD        OriginalIndex;
     LONG         glIndex;
-    BOOL         changed;
-    BOOL         enabledChanged;
     BOOL         enabled;
 
     /* Converted parms to speed up swapping lights */