Mesa (master): mesa: combine GL_TEXTURE_INTENSITY/LUMINANCE_SIZE queries
Brian Paul
brianp at kemper.freedesktop.org
Mon Nov 28 15:16:30 UTC 2011
Module: Mesa
Branch: master
Commit: d45c9b239fdc2a2e06e14fc94c118f27d4011024
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d45c9b239fdc2a2e06e14fc94c118f27d4011024
Author: Brian Paul <brianp at vmware.com>
Date: Wed Nov 23 15:33:46 2011 -0700
mesa: combine GL_TEXTURE_INTENSITY/LUMINANCE_SIZE queries
Use the _mesa_base_format_has_channel() helper as we do for the
other texture format component queries.
Reviewed-by: Eric Anholt <eric at anholt.net>
---
src/mesa/main/texparam.c | 25 ++++++++-----------------
1 files changed, 8 insertions(+), 17 deletions(-)
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 4c30a36..99a4b43 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -1071,28 +1071,19 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = 0;
break;
case GL_TEXTURE_INTENSITY_SIZE:
- if (img->_BaseFormat != GL_INTENSITY)
- *params = 0;
- else {
+ case GL_TEXTURE_LUMINANCE_SIZE:
+ if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) {
*params = _mesa_get_format_bits(texFormat, pname);
if (*params == 0) {
- /* intensity probably stored as rgb texture */
- *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
- _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
+ /* intensity or luminance is probably stored as RGB[A] */
+ *params = MIN2(_mesa_get_format_bits(texFormat,
+ GL_TEXTURE_RED_SIZE),
+ _mesa_get_format_bits(texFormat,
+ GL_TEXTURE_GREEN_SIZE));
}
}
- break;
- case GL_TEXTURE_LUMINANCE_SIZE:
- if (img->_BaseFormat != GL_LUMINANCE &&
- img->_BaseFormat != GL_LUMINANCE_ALPHA)
- *params = 0;
else {
- *params = _mesa_get_format_bits(texFormat, pname);
- if (*params == 0) {
- /* luminance probably stored as rgb texture */
- *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
- _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
- }
+ *params = 0;
}
break;
case GL_TEXTURE_DEPTH_SIZE_ARB:
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