/*
- * Mesa 3-D graphics library
+ * mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
img->Width = width;
img->Height = height;
img->Depth = depth;
+
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 */
+
+ if (height == 1) { /* 1-D texture */
+ img->Height2 = 1;
img->HeightLog2 = 0;
- else
+ }
+ else {
+ img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
img->HeightLog2 = logbase2(img->Height2);
- if (depth == 1) /* 2-D texture */
+ }
+
+ if (depth == 1) { /* 2-D texture */
+ img->Depth2 = 1;
img->DepthLog2 = 0;
- else
+ }
+ else {
+ img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
img->DepthLog2 = logbase2(img->Depth2);
+ }
+
img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
+
img->IsCompressed = GL_FALSE;
img->CompressedSize = 0;
- if ((width == 1 || _mesa_bitcount(img->Width2) == 1) &&
- (height == 1 || _mesa_bitcount(img->Height2) == 1) &&
- (depth == 1 || _mesa_bitcount(img->Depth2) == 1))
+ if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
+ (height == 1 || _mesa_is_pow_two(img->Height2)) &&
+ (depth == 1 || _mesa_is_pow_two(img->Depth2)))
img->_IsPowerOfTwo = GL_TRUE;
else
img->_IsPowerOfTwo = GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
if (width < 2 * border || width > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- width >0 && _mesa_bitcount(width - 2 * border) != 1) ||
+ width >0 && !_mesa_is_pow_two(width - 2 * border)) ||
level >= ctx->Const.MaxTextureLevels) {
/* bad width or level */
return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
if (width < 2 * border || width > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && _mesa_bitcount(width - 2 * border) != 1) ||
+ width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
height < 2 * border || height > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && _mesa_bitcount(height - 2 * border) != 1) ||
+ height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
level >= ctx->Const.MaxTextureLevels) {
/* bad width or height or level */
return GL_FALSE;
maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
if (width < 2 * border || width > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && _mesa_bitcount(width - 2 * border) != 1) ||
+ width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
height < 2 * border || height > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && _mesa_bitcount(height - 2 * border) != 1) ||
+ height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
depth < 2 * border || depth > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- depth > 0 && _mesa_bitcount(depth - 2 * border) != 1) ||
+ depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) ||
level >= ctx->Const.Max3DTextureLevels) {
/* bad width or height or depth or level */
return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
if (width < 2 * border || width > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && _mesa_bitcount(width - 2 * border) != 1) ||
+ width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
height < 2 * border || height > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && _mesa_bitcount(height - 2 * border) != 1) ||
+ height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
level >= ctx->Const.MaxCubeTextureLevels) {
/* bad width or height */
return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
if (width < 2 * border || width > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && _mesa_bitcount(width - 2 * border) != 1) ||
+ width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
level >= ctx->Const.MaxTextureLevels) {
/* bad width or level */
return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
if (width < 2 * border || width > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && _mesa_bitcount(width - 2 * border) != 1) ||
+ width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
height < 2 * border || height > 2 + maxSize ||
(!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && _mesa_bitcount(height - 2 * border) != 1) ||
+ height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
level >= ctx->Const.MaxTextureLevels) {
/* bad width or height or level */
return GL_FALSE;
* XXX We should probably use the proxy texture error check function here.
*/
if (width < 1 || width > maxTextureSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two && _mesa_bitcount(width) != 1))
+ (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(width)))
return GL_INVALID_VALUE;
if ((height < 1 || height > maxTextureSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two && _mesa_bitcount(height) != 1))
+ (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(height)))
&& dimensions > 1)
return GL_INVALID_VALUE;
if ((depth < 1 || depth > maxTextureSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two && _mesa_bitcount(depth) != 1))
+ (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(depth)))
&& dimensions > 2)
return GL_INVALID_VALUE;