diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/i830_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915/i830_state.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i915/i830_state.c b/src/mesa/drivers/dri/i915/i830_state.c index 3136ced5ffb..c6f1b038e32 100644 --- a/src/mesa/drivers/dri/i915/i830_state.c +++ b/src/mesa/drivers/dri/i915/i830_state.c @@ -436,7 +436,10 @@ i830DepthMask(struct gl_context * ctx, GLboolean flag) struct i830_context *i830 = i830_context(ctx); DBG("%s flag (%d)\n", __FUNCTION__, flag); - + + if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.depthBits) + flag = false; + I830_STATECHANGE(i830, I830_UPLOAD_CTX); i830->state.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK; @@ -795,6 +798,9 @@ i830Enable(struct gl_context * ctx, GLenum cap, GLboolean state) I830_STATECHANGE(i830, I830_UPLOAD_CTX); i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK; + if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.depthBits) + state = false; + if (state) i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_DEPTH_TEST; else |