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swrast: replace GetRow() call with _mesa_unpack_ubyte_stencil_row()

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Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Brian Paul 2011-12-24 08:54:26 -07:00
parent fc41473b9f
commit 95970677b9
1 changed files with 5 additions and 1 deletions
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6
src/mesa/swrast/s_stencil.c
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@ -26,6 +26,7 @@
#include "main/glheader.h"
#include "main/context.h"
#include "main/imports.h"
#include "main/format_unpack.h"
#include "s_context.h"
#include "s_depth.h"
@ -1044,6 +1045,8 @@ void
_swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLint n, GLint x, GLint y, GLubyte stencil[])
{
GLubyte *src;
if (y < 0 || y >= (GLint) rb->Height ||
x + n <= 0 || x >= (GLint) rb->Width) {
/* span is completely outside framebuffer */
@ -1064,7 +1067,8 @@ _swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb,
return;
}
rb->GetRow(ctx, rb, n, x, y, stencil);
src = (GLubyte *) rb->Data + y * rb->RowStride +x;
_mesa_unpack_ubyte_stencil_row(rb->Format, n, src, stencil);
}