Mesa (master): gallium/osmesa: Use PIPE_ARCH_*_ENDIAN instead of little_endian function

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Module: Mesa
Branch: master
Commit: 6b6897a9f9bdf813709a223e31e1eb5a6563686b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6b6897a9f9bdf813709a223e31e1eb5a6563686b

Author: Dylan Baker <dylan at pnwbakers.com>
Date:   Tue Oct 22 11:30:09 2019 -0700

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

Reviewed-by: Eric Engestrom <eric at engestrom.ch>

---

 src/gallium/state_trackers/osmesa/osmesa.c | 35 +++++++++++++-----------------
 1 file changed, 15 insertions(+), 20 deletions(-)

diff --git a/src/gallium/state_trackers/osmesa/osmesa.c b/src/gallium/state_trackers/osmesa/osmesa.c
index 8225860dfa8..660b4c860fc 100644
--- a/src/gallium/state_trackers/osmesa/osmesa.c
+++ b/src/gallium/state_trackers/osmesa/osmesa.c
@@ -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;