glamor: Drop a bunch of glamor_priv == NULL checks.

Now that it's always non-null when the pixmap is non-null, we don't
need so much of this.  glamor_get_pixmap_private() itself still
accepts a NULL pixmap and returns NULL, because of glamor_render.c

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Keith Packard <keithp@keithp.com>

glamor/glamor.c

@@ -207,13 +207,10 @@ void
 glamor_destroy_textured_pixmap(PixmapPtr pixmap)
 {
     if (pixmap->refcnt == 1) {
-        glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
-        if (pixmap_priv != NULL) {
 #if GLAMOR_HAS_GBM
-            glamor_egl_destroy_pixmap_image(pixmap);
+        glamor_egl_destroy_pixmap_image(pixmap);
 #endif
-            glamor_pixmap_destroy_fbo(pixmap);
+        glamor_pixmap_destroy_fbo(pixmap);
-        }
     }
 }
 
@@ -761,12 +758,11 @@ _X_EXPORT int
 glamor_fd_from_pixmap(ScreenPtr screen,
                       PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
 {
-    glamor_pixmap_private *pixmap_priv;
+    glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
     glamor_screen_private *glamor_priv =
         glamor_get_screen_private(pixmap->drawable.pScreen);
 
-    pixmap_priv = glamor_get_pixmap_private(pixmap);
+    if (!glamor_priv->dri3_enabled)
-    if (pixmap_priv == NULL || !glamor_priv->dri3_enabled)
         return -1;
     switch (pixmap_priv->type) {
     case GLAMOR_TEXTURE_DRM:
@@ -786,12 +782,11 @@ glamor_fd_from_pixmap(ScreenPtr screen,
 int
 glamor_name_from_pixmap(PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
 {
-    glamor_pixmap_private *pixmap_priv;
+    glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
     glamor_screen_private *glamor_priv =
         glamor_get_screen_private(pixmap->drawable.pScreen);
 
-    pixmap_priv = glamor_get_pixmap_private(pixmap);
+    if (!glamor_priv->dri3_enabled)
-    if (pixmap_priv == NULL || !glamor_priv->dri3_enabled)
         return -1;
     switch (pixmap_priv->type) {
     case GLAMOR_TEXTURE_DRM:

glamor/glamor_core.c

@@ -42,8 +42,7 @@ glamor_get_drawable_location(const DrawablePtr drawable)
     glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
     glamor_screen_private *glamor_priv =
         glamor_get_screen_private(drawable->pScreen);
-    if (pixmap_priv == NULL ||
+    if (pixmap_priv->gl_fbo == GLAMOR_FBO_UNATTACHED)
-        pixmap_priv->gl_fbo == GLAMOR_FBO_UNATTACHED)
         return 'm';
     if (pixmap_priv->fbo->fb == glamor_priv->screen_fbo)
         return 's';

glamor/glamor_egl.c

@@ -452,7 +452,7 @@ glamor_gbm_bo_from_pixmap(ScreenPtr screen, PixmapPtr pixmap)
         glamor_get_pixmap_private(pixmap);
 
     pixmap_priv = glamor_get_pixmap_private(pixmap);
-    if (pixmap_priv == NULL || !glamor_priv->dri3_enabled)
+    if (!glamor_priv->dri3_enabled)
         return NULL;
     switch (pixmap_priv->type) {
     case GLAMOR_TEXTURE_DRM:
@@ -604,7 +604,7 @@ glamor_egl_destroy_pixmap_image(PixmapPtr pixmap)
     struct glamor_pixmap_private *pixmap_priv =
         glamor_get_pixmap_private(pixmap);
 
-    if (pixmap_priv && pixmap_priv->image) {
+    if (pixmap_priv->image) {
         ScrnInfoPtr scrn = xf86ScreenToScrn(pixmap->drawable.pScreen);
         struct glamor_egl_screen_private *glamor_egl =
             glamor_egl_get_screen_private(scrn);

glamor/glamor_picture.c

@@ -61,15 +61,6 @@ glamor_create_picture(PicturePtr picture)
 
     pixmap = glamor_get_drawable_pixmap(picture->pDrawable);
     pixmap_priv = glamor_get_pixmap_private(pixmap);
-    if (!pixmap_priv) {
-        /* We must create a pixmap priv to track the picture format even
-         * if the pixmap is a pure in memory pixmap. The reason is that
-         * we may need to upload this pixmap to a texture on the fly. During
-         * the uploading, we need to know the picture format. */
-        glamor_set_pixmap_type(pixmap, GLAMOR_MEMORY);
-        pixmap_priv = glamor_get_pixmap_private(pixmap);
-    }
-
     pixmap_priv->is_picture = 1;
     pixmap_priv->picture = picture;
 

glamor/glamor_priv.h

@@ -419,7 +419,7 @@ glamor_pixmap_drm_only(PixmapPtr pixmap)
 {
     glamor_pixmap_private *priv = glamor_get_pixmap_private(pixmap);
 
-    return priv && priv->type == GLAMOR_DRM_ONLY;
+    return priv->type == GLAMOR_DRM_ONLY;
 }
 
 /*
@@ -430,7 +430,7 @@ glamor_pixmap_is_memory(PixmapPtr pixmap)
 {
     glamor_pixmap_private *priv = glamor_get_pixmap_private(pixmap);
 
-    return !priv || priv->type == GLAMOR_MEMORY;
+    return priv->type == GLAMOR_MEMORY;
 }
 
 /*
@@ -439,13 +439,13 @@ glamor_pixmap_is_memory(PixmapPtr pixmap)
 static inline Bool
 glamor_pixmap_priv_is_large(glamor_pixmap_private *priv)
 {
-    return priv && (priv->block_wcnt > 1 || priv->block_hcnt > 1);
+    return priv->block_wcnt > 1 || priv->block_hcnt > 1;
 }
 
 static inline Bool
 glamor_pixmap_priv_is_small(glamor_pixmap_private *priv)
 {
-    return priv && priv->block_wcnt <= 1 && priv->block_hcnt <= 1;
+    return priv->block_wcnt <= 1 && priv->block_hcnt <= 1;
 }
 
 static inline Bool
@@ -453,7 +453,7 @@ glamor_pixmap_is_large(PixmapPtr pixmap)
 {
     glamor_pixmap_private *priv = glamor_get_pixmap_private(pixmap);
 
-    return priv && glamor_pixmap_priv_is_large(priv);
+    return glamor_pixmap_priv_is_large(priv);
 }
 /*
  * Returns TRUE if pixmap has an FBO
@@ -463,7 +463,7 @@ glamor_pixmap_has_fbo(PixmapPtr pixmap)
 {
     glamor_pixmap_private *priv = glamor_get_pixmap_private(pixmap);
 
-    return priv && priv->gl_fbo == GLAMOR_FBO_NORMAL;
+    return priv->gl_fbo == GLAMOR_FBO_NORMAL;
 }
 
 static inline void

glamor/glamor_utils.h

@@ -756,8 +756,8 @@ glamor_translate_boxes(BoxPtr boxes, int nbox, int dx, int dy)
 						|| _depth_ == 30	\
 						|| _depth_ == 32)
 
-#define GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) (pixmap_priv && pixmap_priv->is_picture == 1)
+#define GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) (pixmap_priv->is_picture == 1)
-#define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)    (pixmap_priv && pixmap_priv->gl_fbo == GLAMOR_FBO_NORMAL)
+#define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)    (pixmap_priv->gl_fbo == GLAMOR_FBO_NORMAL)
 
 /**
  * Borrow from uxa.