Mesa (master): mesa: Also report renderbuffer red/ green size for GL_RED and GL_RG.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: f45aea0ec912159eb6aa4ef2ba2bdcd022bc8aca
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=f45aea0ec912159eb6aa4ef2ba2bdcd022bc8aca

Author: Eric Anholt <e...@anholt.net>
Date:   Sun Jan  2 18:11:34 2011 -0800

mesa: Also report renderbuffer red/green size for GL_RED and GL_RG.

Noticed by code inspection.

---

 src/mesa/main/fbobject.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 5a93b0f..f7b7723 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1171,8 +1171,17 @@ get_component_bits(GLenum pname, GLenum baseFormat, 
gl_format format)
    switch (pname) {
    case GL_RENDERBUFFER_RED_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+      if (baseFormat == GL_RGB || baseFormat == GL_RGBA ||
+         baseFormat == GL_RG || baseFormat == GL_RED)
+         return _mesa_get_format_bits(format, pname);
+      else
+         return 0;
    case GL_RENDERBUFFER_GREEN_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+      if (baseFormat == GL_RGB || baseFormat == GL_RGBA || baseFormat == GL_RG)
+         return _mesa_get_format_bits(format, pname);
+      else
+         return 0;
    case GL_RENDERBUFFER_BLUE_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
       if (baseFormat == GL_RGB || baseFormat == GL_RGBA)

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