intel: refactor planar format lookup

v2 (Eric): refactor both occurences, not just one

v3 (Chad): replace 0 by NULL

Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index ce7a51e55125700c4aea179ea75c92763a44f4b8..0738cf62f8f41351d193901aa2b3a35978e94521 100644 (file)
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -231,6 +231,21 @@ static struct intel_image_format intel_image_formats[] = {
        { 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } }
 };
 
+static struct intel_image_format *
+intel_image_format_lookup(int fourcc)
+{
+   struct intel_image_format *f = NULL;
+
+   for (unsigned i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
+      if (intel_image_formats[i].fourcc == fourcc) {
+        f = &intel_image_formats[i];
+        break;
+      }
+   }
+
+   return f;
+}
+
 static __DRIimage *
 intel_allocate_image(int dri_format, void *loaderPrivate)
 {
@@ -601,12 +616,7 @@ intel_create_image_from_names(__DRIscreen *screen,
     if (screen == NULL || names == NULL || num_names != 1)
         return NULL;
 
-    for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
-        if (intel_image_formats[i].fourcc == fourcc) {
-           f = &intel_image_formats[i];
-        }
-    }
-
+    f = intel_image_format_lookup(fourcc);
     if (f == NULL)
         return NULL;
 
@@ -635,19 +645,14 @@ intel_create_image_from_fds(__DRIscreen *screen,
                             void *loaderPrivate)
 {
    struct intel_screen *intelScreen = screen->driverPrivate;
-   struct intel_image_format *f = NULL;
+   struct intel_image_format *f;
    __DRIimage *image;
    int i, index;
 
    if (fds == NULL || num_fds != 1)
       return NULL;
 
-   for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
-      if (intel_image_formats[i].fourcc == fourcc) {
-         f = &intel_image_formats[i];
-      }
-   }
-
+   f = intel_image_format_lookup(fourcc);
    if (f == NULL)
       return NULL;