From dc41d62250ce51f28e94f1d365836ac9f2ff8907 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Thu, 19 Nov 2009 14:35:38 -0700
Subject: [PATCH] st/mesa: get rid of compressed_num_bytes() code

---
 src/mesa/state_tracker/st_cb_texture.c | 40 +++-----------------------
 1 file changed, 4 insertions(+), 36 deletions(-)

diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 76b6bbeb4b7..d4630a514f8 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -93,32 +93,6 @@ gl_target_to_pipe(GLenum target)
 }
 
 
-/**
- * Return nominal bytes per texel for a compressed format, 0 for non-compressed
- * format.
- */
-static GLuint
-compressed_num_bytes(gl_format format)
-{
-   switch (format) {
-#if FEATURE_texture_fxt1
-   case MESA_FORMAT_RGB_FXT1:
-   case MESA_FORMAT_RGBA_FXT1:
-#endif
-#if FEATURE_texture_s3tc
-   case MESA_FORMAT_RGB_DXT1:
-   case MESA_FORMAT_RGBA_DXT1:
-      return 2;
-   case MESA_FORMAT_RGBA_DXT3:
-   case MESA_FORMAT_RGBA_DXT5:
-      return 4;
-#endif
-   default:
-      return 0;
-   }
-}
-
-
 /** called via ctx->Driver.NewTextureImage() */
 static struct gl_texture_image *
 st_NewTextureImage(GLcontext * ctx)
@@ -1743,7 +1717,7 @@ st_finalize_texture(GLcontext *ctx,
 {
    struct st_texture_object *stObj = st_texture_object(tObj);
    const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
-   GLuint cpp, face;
+   GLuint blockSize, face;
    struct st_texture_image *firstImage;
 
    *needFlush = GL_FALSE;
@@ -1775,13 +1749,8 @@ st_finalize_texture(GLcontext *ctx,
       pipe_texture_reference(&stObj->pt, firstImage->pt);
    }
 
-   /* FIXME: determine format block instead of cpp */
-   if (_mesa_is_format_compressed(firstImage->base.TexFormat)) {
-      cpp = compressed_num_bytes(firstImage->base.TexFormat);
-   }
-   else {
-      cpp = _mesa_get_format_bytes(firstImage->base.TexFormat);
-   }
+   /* bytes per pixel block (blocks are usually 1x1) */
+   blockSize = _mesa_get_format_bytes(firstImage->base.TexFormat);
 
    /* If we already have a gallium texture, check that it matches the texture
     * object's format, target, size, num_levels, etc.
@@ -1795,8 +1764,7 @@ st_finalize_texture(GLcontext *ctx,
           stObj->pt->width[0] != firstImage->base.Width2 ||
           stObj->pt->height[0] != firstImage->base.Height2 ||
           stObj->pt->depth[0] != firstImage->base.Depth2 ||
-          /* Nominal bytes per pixel: */
-          stObj->pt->block.size / stObj->pt->block.width != cpp)
+          stObj->pt->block.size != blockSize)
       {
          pipe_texture_reference(&stObj->pt, NULL);
          ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER;
-- 
2.30.2