diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv20_state_fb.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_state_fb.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_fb.c b/src/mesa/drivers/dri/nouveau/nv20_state_fb.c index 7822ca2a09..854392f9ff 100644 --- a/src/mesa/drivers/dri/nouveau/nv20_state_fb.c +++ b/src/mesa/drivers/dri/nouveau/nv20_state_fb.c @@ -51,6 +51,31 @@ get_rt_format(gl_format format) } } +static void +setup_hierz_buffer(struct gl_context *ctx) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *kelvin = context_eng3d(ctx); + struct nouveau_bo_context *bctx = context_bctx(ctx, HIERZ); + struct gl_framebuffer *fb = ctx->DrawBuffer; + struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); + unsigned pitch = align(fb->Width, 128), + height = align(fb->Height, 2), + size = pitch * height; + + if (!nfb->hierz.bo || nfb->hierz.bo->size != size) { + nouveau_bo_ref(NULL, &nfb->hierz.bo); + nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size, + &nfb->hierz.bo); + } + + BEGIN_RING(chan, kelvin, NV25TCL_HIERZ_PITCH, 1); + OUT_RING(chan, pitch); + + nouveau_bo_markl(bctx, kelvin, NV25TCL_HIERZ_OFFSET, nfb->hierz.bo, + 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); +} + void nv20_emit_framebuffer(struct gl_context *ctx, int emit) { @@ -88,6 +113,9 @@ nv20_emit_framebuffer(struct gl_context *ctx, int emit) nouveau_bo_markl(bctx, kelvin, NV20TCL_ZETA_OFFSET, s->bo, 0, bo_flags); + + if (context_chipset(ctx) >= 0x25) + setup_hierz_buffer(ctx); } else { rt_format |= get_rt_format(MESA_FORMAT_Z24_S8); zeta_pitch = rt_pitch; |