From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sat, 5 Nov 2005 02:12:44 +0000 (+0000)
Subject: minor improvements in _mesa_init_teximage_fields()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4d0b7618cb3ada3b13e9e9b650ace34f5131e318;p=mesa.git

minor improvements in _mesa_init_teximage_fields()
---

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 9731185f443..91fee9001ff 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1089,18 +1089,18 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
    img->Height = height;
    img->Depth = depth;
    img->RowStride = width;
-   img->WidthLog2 = logbase2(width - 2 * border);
+   img->Width2 = width - 2 * border;   /* == 1 << img->WidthLog2; */
+   img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
+   img->Depth2 = depth - 2 * border;   /* == 1 << img->DepthLog2; */
+   img->WidthLog2 = logbase2(img->Width2);
    if (height == 1)  /* 1-D texture */
       img->HeightLog2 = 0;
    else
-      img->HeightLog2 = logbase2(height - 2 * border);
+      img->HeightLog2 = logbase2(img->Height2);
    if (depth == 1)   /* 2-D texture */
       img->DepthLog2 = 0;
    else
-      img->DepthLog2 = logbase2(depth - 2 * border);
-   img->Width2 = width - 2 * border; /*1 << img->WidthLog2;*/
-   img->Height2 = height - 2 * border; /*1 << img->HeightLog2;*/
-   img->Depth2 = depth - 2 * border; /*1 << img->DepthLog2;*/
+      img->DepthLog2 = logbase2(img->Depth2);
    img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
    img->IsCompressed = is_compressed_format(ctx, internalFormat);
    if (img->IsCompressed)
@@ -1109,9 +1109,9 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
    else
       img->CompressedSize = 0;
 
-   if ((width == 1 || _mesa_bitcount(width - 2 * border) == 1) &&
-       (height == 1 || _mesa_bitcount(height - 2 * border) == 1) &&
-       (depth == 1 || _mesa_bitcount(depth - 2 * border) == 1))
+   if ((width == 1 || _mesa_bitcount(img->Width2) == 1) &&
+       (height == 1 || _mesa_bitcount(img->Height2) == 1) &&
+       (depth == 1 || _mesa_bitcount(img->Depth2) == 1))
       img->_IsPowerOfTwo = GL_TRUE;
    else
       img->_IsPowerOfTwo = GL_FALSE;