gallium: move is_format_supported() to pipe_screen struct

1 files changed, 67 insertions, 0 deletions

diff --git a/src/gallium/drivers/i965simple/brw_screen.c b/src/gallium/drivers/i965simple/brw_screen.c
index 7afe070bd8f..5be369fe521 100644
--- a/src/gallium/drivers/i965simple/brw_screen.c
+++ b/src/gallium/drivers/i965simple/brw_screen.c
@@ -133,6 +133,72 @@ brw_get_paramf(struct pipe_screen *screen, int param)
 }
 
 
+static boolean
+brw_is_format_supported( struct pipe_screen *screen,
+                         enum pipe_format format, uint type )
+{
+#if 0
+   /* XXX: This is broken -- rewrite if still needed. */
+   static const unsigned tex_supported[] = {
+      PIPE_FORMAT_U_R8_G8_B8_A8,
+      PIPE_FORMAT_U_A8_R8_G8_B8,
+      PIPE_FORMAT_U_R5_G6_B5,
+      PIPE_FORMAT_U_L8,
+      PIPE_FORMAT_U_A8,
+      PIPE_FORMAT_U_I8,
+      PIPE_FORMAT_U_L8_A8,
+      PIPE_FORMAT_YCBCR,
+      PIPE_FORMAT_YCBCR_REV,
+      PIPE_FORMAT_S8_Z24,
+   };
+
+
+   /* Actually a lot more than this - add later:
+    */
+   static const unsigned render_supported[] = {
+      PIPE_FORMAT_U_A8_R8_G8_B8,
+      PIPE_FORMAT_U_R5_G6_B5,
+   };
+
+   /*
+    */
+   static const unsigned z_stencil_supported[] = {
+      PIPE_FORMAT_U_Z16,
+      PIPE_FORMAT_U_Z32,
+      PIPE_FORMAT_S8_Z24,
+   };
+
+   switch (type) {
+   case PIPE_RENDER_FORMAT:
+      *numFormats = Elements(render_supported);
+      return render_supported;
+
+   case PIPE_TEX_FORMAT:
+      *numFormats = Elements(tex_supported);
+      return render_supported;
+
+   case PIPE_Z_STENCIL_FORMAT:
+      *numFormats = Elements(render_supported);
+      return render_supported;
+
+   default:
+      *numFormats = 0;
+      return NULL;
+   }
+#else
+   switch (format) {
+   case PIPE_FORMAT_A8R8G8B8_UNORM:
+   case PIPE_FORMAT_R5G6B5_UNORM:
+   case PIPE_FORMAT_S8Z24_UNORM:
+      return TRUE;
+   default:
+      return FALSE;
+   };
+   return FALSE;
+#endif
+}
+
+
 static void
 brw_destroy_screen( struct pipe_screen *screen )
 {
@@ -161,6 +227,7 @@ brw_create_screen(struct pipe_winsys *winsys, uint pci_id)
    brwscreen->screen.get_vendor = brw_get_vendor;
    brwscreen->screen.get_param = brw_get_param;
    brwscreen->screen.get_paramf = brw_get_paramf;
+   brwscreen->screen.is_format_supported = brw_is_format_supported;
 
    brw_init_screen_texture_funcs(&brwscreen->screen);