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i965: fix segfault caused by commit e131c46b20.

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This commit is contained in:
Xiang, Haihao
2008-01-10 16:45:35 +08:00
parent e131c46b20
commit c30392f187
2 changed files with 21 additions and 21 deletions
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12
src/mesa/drivers/dri/intel/intel_span.c
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@@ -264,7 +264,7 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
/* depth buffer (Note wrapper!) */
if (ctx->DrawBuffer->_DepthBuffer) {
irb = intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped);
if (irb && irb->region && irb->Base.Name != 0) {
if (irb && irb->region) {
if (map) {
intel_region_map(intel, irb->region);
irb->pfMap = irb->region->map;
@@ -272,8 +272,8 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
}
else {
intel_region_unmap(intel, irb->region);
irb->pfMap = NULL;
irb->pfPitch = 0;
irb->pfMap = irb->region->map;
irb->pfPitch = irb->region->pitch;
}
}
}
@@ -281,7 +281,7 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
/* stencil buffer (Note wrapper!) */
if (ctx->DrawBuffer->_StencilBuffer) {
irb = intel_renderbuffer(ctx->DrawBuffer->_StencilBuffer->Wrapped);
if (irb && irb->region && irb->Base.Name != 0) {
if (irb && irb->region) {
if (map) {
intel_region_map(intel, irb->region);
irb->pfMap = irb->region->map;
@@ -289,8 +289,8 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
}
else {
intel_region_unmap(intel, irb->region);
irb->pfMap = NULL;
irb->pfPitch = 0;
irb->pfMap = irb->region->map;
irb->pfPitch = irb->region->pitch;
}
}
}