Mesa (master): swrast: fix color masking for glAccum(GL_RETURN)

[Brian Paul]

Module: Mesa
Branch: master
Commit: b841c2756e6d697d5b2884317c0daa3f176195a6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b841c2756e6d697d5b2884317c0daa3f176195a6

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Jan  7 09:43:08 2010 -0700

swrast: fix color masking for glAccum(GL_RETURN)

Should fix fdo bug 25837.

---

 src/mesa/swrast/s_accum.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/mesa/swrast/s_accum.c b/src/mesa/swrast/s_accum.c
index 2d8c361..0e0876e 100644
--- a/src/mesa/swrast/s_accum.c
+++ b/src/mesa/swrast/s_accum.c
@@ -436,10 +436,6 @@ accum_return(GLcontext *ctx, GLfloat value,
    struct gl_renderbuffer *accumRb = fb->Attachment[BUFFER_ACCUM].Renderbuffer;
    const GLboolean directAccess
       = (accumRb->GetPointer(ctx, accumRb, 0, 0) != NULL);
-   const GLboolean masking = (!ctx->Color.ColorMask[RCOMP] ||
-                              !ctx->Color.ColorMask[GCOMP] ||
-                              !ctx->Color.ColorMask[BCOMP] ||
-                              !ctx->Color.ColorMask[ACOMP]);
 
    static GLchan multTable[32768];
    static GLfloat prevMult = 0.0;
@@ -527,6 +523,10 @@ accum_return(GLcontext *ctx, GLfloat value,
          /* store colors */
          for (buffer = 0; buffer < fb->_NumColorDrawBuffers; buffer++) {
             struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buffer];
+            const GLboolean masking = (!ctx->Color.ColorMask[buffer][RCOMP] ||
+                                       !ctx->Color.ColorMask[buffer][GCOMP] ||
+                                       !ctx->Color.ColorMask[buffer][BCOMP] ||
+                                       !ctx->Color.ColorMask[buffer][ACOMP]);
             if (masking) {
                _swrast_mask_rgba_span(ctx, rb, &span, buffer);
             }