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added CHAN_BITS != 8 test

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This commit is contained in:
Brian Paul 2006-05-07 16:16:23 +00:00
parent 85bc17495b
commit 960973b2ec
1 changed files with 3 additions and 0 deletions
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src/mesa/drivers/x11/xm_line.c
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@ -578,6 +578,9 @@ get_line_func(GLcontext *ctx)
int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
struct xmesa_renderbuffer *xrb;
if (CHAN_BITS != 8)
return NULL;
if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]
& (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)
return (swrast_line_func) NULL;