From ed0c308f39f7d7a5cb05571e37440469eacbd624 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 18 Sep 2008 13:39:52 +1000 Subject: [PATCH] nv50: use 3D engine clears, 2D engine doesn't understand zeta formats --- src/gallium/drivers/nv50/nv50_clear.c | 57 ++++++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/nv50/nv50_clear.c b/src/gallium/drivers/nv50/nv50_clear.c index fbc6cd0..a31a42d 100644 --- a/src/gallium/drivers/nv50/nv50_clear.c +++ b/src/gallium/drivers/nv50/nv50_clear.c @@ -30,6 +30,61 @@ void nv50_clear(struct pipe_context *pipe, struct pipe_surface *ps, unsigned clearValue) { - pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, clearValue); + struct nv50_context *nv50 = nv50_context(pipe); + struct pipe_framebuffer_state fb, s_fb = nv50->framebuffer; + struct pipe_scissor_state sc, s_sc = nv50->scissor; + unsigned dirty = nv50->dirty; + + nv50->dirty = 0; + + if (ps->format == PIPE_FORMAT_Z24S8_UNORM || + ps->format == PIPE_FORMAT_Z16_UNORM) { + fb.num_cbufs = 0; + fb.zsbuf = ps; + } else { + fb.num_cbufs = 1; + fb.cbufs[0] = ps; + fb.zsbuf = NULL; + } + fb.width = ps->width; + fb.height = ps->height; + pipe->set_framebuffer_state(pipe, &fb); + + sc.minx = sc.miny = 0; + sc.maxx = fb.width; + sc.maxy = fb.height; + pipe->set_scissor_state(pipe, &sc); + + nv50_state_validate(nv50); + + switch (ps->format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + BEGIN_RING(tesla, 0x0d80, 4); + OUT_RINGf (ubyte_to_float((clearValue >> 16) & 0xff)); + OUT_RINGf (ubyte_to_float((clearValue >> 8) & 0xff)); + OUT_RINGf (ubyte_to_float((clearValue >> 0) & 0xff)); + OUT_RINGf (ubyte_to_float((clearValue >> 24) & 0xff)); + BEGIN_RING(tesla, 0x19d0, 1); + OUT_RING (0x3c); + break; + case PIPE_FORMAT_Z24S8_UNORM: + BEGIN_RING(tesla, 0x0d90, 1); + OUT_RINGf ((float)(clearValue >> 8) * (1.0 / 16777215.0)); + BEGIN_RING(tesla, 0x0da0, 1); + OUT_RING (clearValue & 0xff); + BEGIN_RING(tesla, 0x19d0, 1); + OUT_RING (0x03); + break; + default: + pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, + clearValue); + break; + } + + pipe->set_framebuffer_state(pipe, &s_fb); + pipe->set_scissor_state(pipe, &s_sc); + nv50->dirty |= dirty; + ps->status = PIPE_SURFACE_STATUS_CLEAR; } + -- 2.7.4