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gallium/osmesa: Use PIPE_ARCH_*_ENDIAN instead of little_endian function

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Reviewed-by: Eric Engestrom <eric@engestrom.ch>
This commit is contained in:
Dylan Baker 2019-10-22 11:30:09 -07:00
parent 39b9fe03a9
commit 6b6897a9f9
1 changed files with 15 additions and 20 deletions
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35
src/gallium/state_trackers/osmesa/osmesa.c
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@ -177,14 +177,6 @@ get_st_manager(void)
}
static inline boolean
little_endian(void)
{
const unsigned ui = 1;
return *((const char *) &ui);
}
/**
* Given an OSMESA_x format and a GL_y type, return the best
* matching PIPE_FORMAT_z.
@ -199,10 +191,11 @@ osmesa_choose_format(GLenum format, GLenum type)
switch (format) {
case OSMESA_RGBA:
if (type == GL_UNSIGNED_BYTE) {
if (little_endian())
return PIPE_FORMAT_R8G8B8A8_UNORM;
else
return PIPE_FORMAT_A8B8G8R8_UNORM;
#if PIPE_ARCH_LITTLE_ENDIAN
return PIPE_FORMAT_R8G8B8A8_UNORM;
#else
return PIPE_FORMAT_A8B8G8R8_UNORM;
#endif
}
else if (type == GL_UNSIGNED_SHORT) {
return PIPE_FORMAT_R16G16B16A16_UNORM;
@ -216,10 +209,11 @@ osmesa_choose_format(GLenum format, GLenum type)
break;
case OSMESA_BGRA:
if (type == GL_UNSIGNED_BYTE) {
if (little_endian())
return PIPE_FORMAT_B8G8R8A8_UNORM;
else
return PIPE_FORMAT_A8R8G8B8_UNORM;
#if PIPE_ARCH_LITTLE_ENDIAN
return PIPE_FORMAT_B8G8R8A8_UNORM;
#else
return PIPE_FORMAT_A8R8G8B8_UNORM;
#endif
}
else if (type == GL_UNSIGNED_SHORT) {
return PIPE_FORMAT_R16G16B16A16_UNORM;
@ -233,10 +227,11 @@ osmesa_choose_format(GLenum format, GLenum type)
break;
case OSMESA_ARGB:
if (type == GL_UNSIGNED_BYTE) {
if (little_endian())
return PIPE_FORMAT_A8R8G8B8_UNORM;
else
return PIPE_FORMAT_B8G8R8A8_UNORM;
#if PIPE_ARCH_LITTLE_ENDIAN
return PIPE_FORMAT_A8R8G8B8_UNORM;
#else
return PIPE_FORMAT_B8G8R8A8_UNORM;
#endif
}
else if (type == GL_UNSIGNED_SHORT) {
return PIPE_FORMAT_R16G16B16A16_UNORM;