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dri/common: use _mesa_little_endian() and update comments

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This commit is contained in:
Brian Paul 2009-10-15 14:54:32 -06:00
parent 9bf2aa3329
commit a37c9ac8ee
1 changed files with 5 additions and 7 deletions
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12
src/mesa/drivers/dri/common/texmem.c
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@ -1302,8 +1302,8 @@ driCalculateTextureFirstLastLevel( driTextureObject * t )
/**
* \name DRI texture formats. Pointers initialized to either the big- or
* little-endian Mesa formats.
* \name DRI texture formats. These vars are initialized to either the
* big- or little-endian Mesa formats.
*/
/*@{*/
gl_format _dri_texformat_rgba8888 = MESA_FORMAT_NONE;
@ -1320,15 +1320,13 @@ gl_format _dri_texformat_l8 = MESA_FORMAT_L8;
/**
* Initialize little endian target, host byte order independent texture formats
* Initialize _dri_texformat_* vars according to whether we're on
* a big or little endian system.
*/
void
driInitTextureFormats(void)
{
const GLuint ui = 1;
const GLubyte littleEndian = *((const GLubyte *) &ui);
if (littleEndian) {
if (_mesa_little_endian()) {
_dri_texformat_rgba8888 = MESA_FORMAT_RGBA8888;
_dri_texformat_argb8888 = MESA_FORMAT_ARGB8888;
_dri_texformat_rgb565 = MESA_FORMAT_RGB565;