diff options
Diffstat (limited to 'src/mesa/main/accum.c')
| -rw-r--r-- | src/mesa/main/accum.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/mesa/main/accum.c b/src/mesa/main/accum.c index 8e6f3cae0f..81af5f6068 100644 --- a/src/mesa/main/accum.c +++ b/src/mesa/main/accum.c @@ -1,4 +1,4 @@ -/* $Id: accum.c,v 1.12 1999/11/24 18:48:30 brianp Exp $ */ +/* $Id: accum.c,v 1.13 1999/11/25 17:36:48 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -221,7 +221,8 @@ _mesa_Accum( GLenum op, GLfloat value ) break; case GL_ACCUM: - (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Pixel.DriverReadBuffer ); + (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer, + ctx->Pixel.DriverReadBuffer ); /* May have to leave optimized accum buffer mode */ if (ctx->IntegerAccumScaler == 0.0 && value > 0.0 && value <= 1.0) @@ -269,11 +270,14 @@ _mesa_Accum( GLenum op, GLfloat value ) ypos++; } } - (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Color.DriverDrawBuffer ); + /* restore read buffer = draw buffer (the default) */ + (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, + ctx->Color.DriverDrawBuffer ); break; case GL_LOAD: - (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Pixel.DriverReadBuffer ); + (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer, + ctx->Pixel.DriverReadBuffer ); /* This is a change to go into optimized accum buffer mode */ if (value > 0.0 && value <= 1.0) { @@ -328,7 +332,10 @@ _mesa_Accum( GLenum op, GLfloat value ) ypos++; } } - (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Color.DriverDrawBuffer ); + + /* restore read buffer = draw buffer (the default) */ + (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, + ctx->Color.DriverDrawBuffer ); break; case GL_RETURN: |