diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-10-10 01:39:13 +0200 |
|---|---|---|
| committer | Francisco Jerez <currojerez@riseup.net> | 2010-10-10 04:14:34 +0200 |
| commit | e2acc7be2683fd3c295480724b02f5a497309cfd (patch) | |
| tree | 7707be4e255377633aa7bb79db6dec77a9658f04 /src/mesa/drivers/dri/nouveau/nv10_state_fb.c | |
| parent | 35a1893fd1993932a428f5f83051383d51c8135e (diff) | |
dri/nv10: Fake fast Z clears for pre-nv17 cards.
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv10_state_fb.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state_fb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_fb.c b/src/mesa/drivers/dri/nouveau/nv10_state_fb.c index 98eb0e8ece..f9f3ebaa8d 100644 --- a/src/mesa/drivers/dri/nouveau/nv10_state_fb.c +++ b/src/mesa/drivers/dri/nouveau/nv10_state_fb.c @@ -172,12 +172,15 @@ nv10_emit_viewport(GLcontext *ctx, int emit) { struct nouveau_channel *chan = context_chan(ctx); struct nouveau_grobj *celsius = context_eng3d(ctx); + struct gl_viewport_attrib *vp = &ctx->Viewport; struct gl_framebuffer *fb = ctx->DrawBuffer; float a[4] = {}; get_viewport_translate(ctx, a); a[0] -= 2048; a[1] -= 2048; + if (nv10_use_viewport_zclear(ctx)) + a[2] = nv10_transform_depth(ctx, (vp->Far + vp->Near) / 2); BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_TRANSLATE_X, 4); OUT_RINGp(chan, a, 4); @@ -204,5 +207,10 @@ nv10_emit_zclear(GLcontext *ctx, int emit) OUT_RING(chan, nctx->hierz.clear_blocked ? 0 : 1); OUT_RING(chan, nfb->hierz.clear_value | (nctx->hierz.clear_seq & 0xff)); + } else { + BEGIN_RING(chan, celsius, NV10TCL_DEPTH_RANGE_NEAR, 2); + OUT_RINGf(chan, nv10_transform_depth(ctx, 0)); + OUT_RINGf(chan, nv10_transform_depth(ctx, 1)); + context_dirty(ctx, VIEWPORT); } } |