diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2005-09-27 15:52:27 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2005-09-27 15:52:27 +0000 |
| commit | 78b3b667b5fc7dbd7f723682f8ffaa0091286abb (patch) | |
| tree | b02cefc3f2ebd8d6ea23b2d6a799e4c066b708f1 /src/mesa/main/accum.c | |
| parent | 99796464c5f0fdb463c31a0e99b0896089b8bd80 (diff) | |
generate GL_INVALID_OPERATION in glAccum if read/draw buffers aren't the same
Diffstat (limited to 'src/mesa/main/accum.c')
| -rw-r--r-- | src/mesa/main/accum.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/main/accum.c b/src/mesa/main/accum.c index c1346bab4c..9a32481c93 100644 --- a/src/mesa/main/accum.c +++ b/src/mesa/main/accum.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.3 + * Version: 6.5 * * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. * @@ -76,6 +76,13 @@ _mesa_Accum( GLenum op, GLfloat value ) return; } + if (ctx->DrawBuffer != ctx->ReadBuffer) { + /* See GLX_SGI_make_current_read or WGL_ARB_make_current_read */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glAccum(different read/draw buffers)"); + return; + } + if (ctx->NewState) _mesa_update_state( ctx ); |