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In xmesa_DrawPixels_8R8G8B() check if drawing into a window system buffer,

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not a user-created FBO.
This commit is contained in:
Brian Paul 2006-10-11 17:45:06 +00:00
parent c364c57a1c
commit 9440868270
1 changed files with 17 additions and 16 deletions
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33
src/mesa/drivers/x11/xm_dd.c
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@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
* Version: 6.5.1
* Version: 6.5.2
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
@ -602,37 +602,38 @@ xmesa_DrawPixels_8R8G8B( GLcontext *ctx,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
struct xmesa_renderbuffer *xrb
= (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped;
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT( ctx );
XMesaDisplay *dpy = xmesa->xm_visual->display;
XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
const XMesaGC gc = xmbuf->gc;
ASSERT(dpy);
ASSERT(gc);
ASSERT(xmesa->xm_visual->dithered_pf == PF_8R8G8B);
ASSERT(xmesa->xm_visual->undithered_pf == PF_8R8G8B);
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb->Wrapped;
if (swrast->NewState)
_swrast_validate_derived( ctx );
if (xrb->pixmap &&
xrb->Base.AlphaBits == 0 &&
if (ctx->DrawBuffer->Name == 0 &&
format == GL_BGRA &&
type == GL_UNSIGNED_BYTE &&
(swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */
ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */
ctx->Pixel.ZoomX == 1.0 && /* no zooming */
ctx->Pixel.ZoomY == 1.0) {
ctx->Pixel.ZoomY == 1.0 &&
xrb->pixmap &&
xrb->Base.AlphaBits == 0)
{
const XMesaContext xmesa = XMESA_CONTEXT(ctx);
XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
XMesaDisplay *dpy = xmesa->xm_visual->display;
const XMesaGC gc = xmbuf->gc;
int dstX = x;
int dstY = y;
int w = width;
int h = height;
struct gl_pixelstore_attrib clippedUnpack = *unpack;
ASSERT(xmesa->xm_visual->dithered_pf == PF_8R8G8B);
ASSERT(xmesa->xm_visual->undithered_pf == PF_8R8G8B);
ASSERT(dpy);
ASSERT(gc);
if (unpack->BufferObj->Name) {
/* unpack from PBO */
GLubyte *buf;