diff options
| author | Xiang, Haihao <haihao.xiang@intel.com> | 2007-09-18 09:32:44 +0800 |
|---|---|---|
| committer | Xiang, Haihao <haihao.xiang@intel.com> | 2007-09-18 09:32:44 +0800 |
| commit | e21d2c6ef300c7661f49c50b4c68b4f205795f4a (patch) | |
| tree | d60ad5b663caedd6e574ff8f1f0c6a2c37c7d11d /src/mesa/swrast/s_stencil.c | |
| parent | c29886718ac8389b526b3eb5947c286b7fe00a88 (diff) | |
mesa: Always use the original mask to update stencil buffer
in stencil_and_ztest_pixels. fix #12263
Diffstat (limited to 'src/mesa/swrast/s_stencil.c')
| -rw-r--r-- | src/mesa/swrast/s_stencil.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_stencil.c b/src/mesa/swrast/s_stencil.c index d0cbdd6917..cae1e09929 100644 --- a/src/mesa/swrast/s_stencil.c +++ b/src/mesa/swrast/s_stencil.c @@ -923,6 +923,8 @@ stencil_and_ztest_pixels( GLcontext *ctx, SWspan *span, GLuint face ) ASSERT(rb->DataType == GL_UNSIGNED_BYTE); _swrast_get_values(ctx, rb, n, x, y, stencil, sizeof(GLubyte)); + _mesa_memcpy(origMask, mask, n * sizeof(GLubyte)); + (void) do_stencil_test(ctx, face, n, stencil, mask); if (ctx->Depth.Test == GL_FALSE) { @@ -930,11 +932,12 @@ stencil_and_ztest_pixels( GLcontext *ctx, SWspan *span, GLuint face ) n, stencil, mask); } else { - _mesa_memcpy(origMask, mask, n * sizeof(GLubyte)); + GLubyte tmpMask[MAX_WIDTH]; + _mesa_memcpy(tmpMask, mask, n * sizeof(GLubyte)); _swrast_depth_test_span(ctx, span); - compute_pass_fail_masks(n, origMask, mask, passMask, failMask); + compute_pass_fail_masks(n, tmpMask, mask, passMask, failMask); if (ctx->Stencil.ZFailFunc[face] != GL_KEEP) { apply_stencil_op(ctx, ctx->Stencil.ZFailFunc[face], face, |