Stefan Dösinger : wined3d: Fix np2 textures.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 577f8db7cfe967a7400e75f7e23cd3244a2d735a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=577f8db7cfe967a7400e75f7e23cd3244a2d735a

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Sat Jan  6 18:43:08 2007 +0100

wined3d: Fix np2 textures.

---

 dlls/wined3d/state.c           |   27 +++++++++++++++++++++------
 dlls/wined3d/wined3d_private.h |    1 +
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/dlls/wined3d/state.c b/dlls/wined3d/state.c
index e2ed6ce..af899e5 100644
--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -1752,13 +1752,28 @@ static void sampler(DWORD state, IWineD3
     }
 
     if(stateblock->textures[sampler]) {
+        BOOL texIsPow2 = FALSE;
 
-        /* NP2 textures need the texture matrix set properly for the stage */
-        if(wined3d_settings.nonpower2_mode == NP2_NATIVE && sampler < MAX_TEXTURES - 1 &&
-           stateblock->textureDimensions[sampler] == GL_TEXTURE_2D &&
-           (((IWineD3DTextureImpl *) stateblock->textures[sampler])->pow2scalingFactorX != 1.0 ||
-            ((IWineD3DTextureImpl *) stateblock->textures[sampler])->pow2scalingFactorY != 1.0 ) ) {
-            transform_texture(STATE_TRANSFORM(WINED3DTS_TEXTURE0 + stateblock->wineD3DDevice->texUnitMap[sampler]), stateblock);
+        /* The fixed function np2 texture emulation uses the texture matrix to fix up the coordinates
+         * IWineD3DBaseTexture::ApplyStateChanges multiplies the set matrix with a fixup matrix. Before the
+         * scaling is reapplied or removed, the texture matrix has to be reapplied
+         */
+        if(wined3d_settings.nonpower2_mode != NP2_NATIVE && sampler < MAX_TEXTURES) {
+            if(stateblock->textureDimensions[sampler] == GL_TEXTURE_2D) {
+                if(((IWineD3DTextureImpl *) stateblock->textures[sampler])->pow2scalingFactorX != 1.0 ||
+                   ((IWineD3DTextureImpl *) stateblock->textures[sampler])->pow2scalingFactorY != 1.0 ) {
+                    texIsPow2 = TRUE;
+                }
+            } else if(stateblock->textureDimensions[sampler] == GL_TEXTURE_CUBE_MAP_ARB) {
+                if(((IWineD3DCubeTextureImpl *) stateblock->textures[sampler])->pow2scalingFactor != 1.0) {
+                    texIsPow2 = TRUE;
+                }
+            }
+
+            if(texIsPow2 || stateblock->wineD3DDevice->lastWasPow2Texture[sampler]) {
+                transform_texture(STATE_TRANSFORM(WINED3DTS_TEXTURE0 + stateblock->wineD3DDevice->texUnitMap[sampler]), stateblock);
+                stateblock->wineD3DDevice->lastWasPow2Texture[sampler] = texIsPow2;
+            }
         }
 
         IWineD3DBaseTexture_PreLoad((IWineD3DBaseTexture *) stateblock->textures[sampler]);
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index f50182a..c018c27 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -583,6 +583,7 @@ typedef struct IWineD3DDeviceImpl
     BOOL                    last_was_vshader;
     BOOL                    last_was_foggy_shader;
     BOOL                    namedArraysLoaded, numberedArraysLoaded;
+    BOOL                    lastWasPow2Texture[MAX_TEXTURES];
 
     /* State block related */
     BOOL                    isRecordingState;