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r300: enable depth test only if depth buffer is available

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Fixes #23532 and piglit/fbo-nodepth-test piglit/fbo-nostencil-test
This commit is contained in:
Maciej Cencora 2010-03-10 22:28:53 +01:00
parent a68e8a4eaa
commit addedd091e
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/r300/r300_state.c
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@ -590,7 +590,7 @@ static void r300SetDepthState(GLcontext * ctx)
R500_STENCIL_REFMASK_FRONT_BACK);
r300->hw.zs.cmd[R300_ZS_CNTL_1] &= ~(R300_ZS_MASK << R300_Z_FUNC_SHIFT);
if (ctx->Depth.Test) {
if (ctx->Depth.Test && ctx->DrawBuffer->_DepthBuffer) {
r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_Z_ENABLE;
if (ctx->Depth.Mask)
r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_Z_WRITE_ENABLE;