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When clearing the stencil buffer, don't use a two-sided stencil

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In radeon_clear_tris(), when clearing the stencil buffer,
pass GL_FRONT_AND_BACK to _mesa_StencilFuncSeparate(), to avoid
triggering a software fallback on r300 and below.

https://bugs.freedesktop.org/show_bug.cgi?id=21601
This commit is contained in:
Owen W. Taylor 2009-05-06 14:44:16 -04:00 • committed by Alex Deucher
parent 7f65fea95e
commit cfc3ac8d6e
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/radeon/radeon_common.c
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@ -1429,7 +1429,7 @@ void radeon_clear_tris(GLcontext *ctx, GLbitfield mask)
if (this_mask & BUFFER_BIT_STENCIL) {
_mesa_Enable(GL_STENCIL_TEST);
_mesa_StencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
_mesa_StencilFuncSeparate(GL_FRONT, GL_ALWAYS, ctx->Stencil.Clear,
_mesa_StencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS, ctx->Stencil.Clear,
ctx->Stencil.WriteMask[0]);
} else {
_mesa_Disable(GL_STENCIL_TEST);