Mesa (master): mesa/format_info: Add support for compressed floating-point formats

[Neil Roberts]

Module: Mesa
Branch: master
Commit: 84218b598f429bcc4474aa620da906b7b9aadc2b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=84218b598f429bcc4474aa620da906b7b9aadc2b

Author: Neil Roberts <neil at linux.intel.com>
Date:   Wed Aug  6 16:52:14 2014 +0100

mesa/format_info: Add support for compressed floating-point formats

If the name of a compressed texture format has ‘FLOAT’ in it it will now set
the data type of the format to GL_FLOAT. This will be needed for the BPTC
half-float formats.

Reviewed-by: Jason Ekstrand <jason.ekstrand at intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/mesa/main/format_info.py |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/format_info.py b/src/mesa/main/format_info.py
index 448bd00..a0eecd3 100644
--- a/src/mesa/main/format_info.py
+++ b/src/mesa/main/format_info.py
@@ -62,7 +62,9 @@ def get_gl_base_format(fmat):
 
 def get_gl_data_type(fmat):
    if fmat.is_compressed():
-      if 'SIGNED' in fmat.name or 'SNORM' in fmat.name:
+      if 'FLOAT' in fmat.name:
+         return 'GL_FLOAT'
+      elif 'SIGNED' in fmat.name or 'SNORM' in fmat.name:
          return 'GL_SIGNED_NORMALIZED'
       else:
          return 'GL_UNSIGNED_NORMALIZED'