From: Christoph Bumiller Date: Tue, 15 Feb 2011 13:41:20 +0000 (+0100) Subject: nvc0: fix clipping and use VIEWPORT instead of SCISSOR X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e7845e319679e3539274c37e9c16692a2dfe59fe;p=mesa.git nvc0: fix clipping and use VIEWPORT instead of SCISSOR --- diff --git a/src/gallium/drivers/nvc0/nvc0_3d.xml.h b/src/gallium/drivers/nvc0/nvc0_3d.xml.h index 7352aa1e99f..73a605f94e1 100644 --- a/src/gallium/drivers/nvc0/nvc0_3d.xml.h +++ b/src/gallium/drivers/nvc0/nvc0_3d.xml.h @@ -962,15 +962,21 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #define NVC0_3D_VIEW_VOLUME_CLIP_CTRL 0x0000193c #define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK0 0x00000001 -#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1 0x00000002 -#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK2 0x00000004 -#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK3 0x00000008 -#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK4 0x00000010 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1__MASK 0x00000006 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1__SHIFT 1 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK0 0x00000000 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1 0x00000002 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK2 0x00000004 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_NEAR 0x00000008 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_FAR 0x00000010 #define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK7 0x00000080 #define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK10 0x00000400 #define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK11 0x00000800 -#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12 0x00001000 -#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK13 0x00002000 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12__MASK 0x00003000 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12__SHIFT 12 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK0 0x00000000 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK1 0x00001000 +#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK2 0x00002000 #define NVC0_3D_CLIP_RECTS_EN 0x0000194c diff --git a/src/gallium/drivers/nvc0/nvc0_screen.c b/src/gallium/drivers/nvc0/nvc0_screen.c index 54510696dc0..321d86bdf1a 100644 --- a/src/gallium/drivers/nvc0/nvc0_screen.c +++ b/src/gallium/drivers/nvc0/nvc0_screen.c @@ -550,6 +550,8 @@ nvc0_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev) BEGIN_RING(chan, RING_3D(DEPTH_RANGE_NEAR(0)), 2); OUT_RINGf (chan, 0.0f); OUT_RINGf (chan, 1.0f); + BEGIN_RING(chan, RING_3D(VIEW_VOLUME_CLIP_CTRL), 1); + OUT_RING (chan, NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1); /* We use scissors instead of exact view volume clipping, * so they're always enabled. diff --git a/src/gallium/drivers/nvc0/nvc0_state.c b/src/gallium/drivers/nvc0/nvc0_state.c index 7f59d40c5fb..ae5f335f9f2 100644 --- a/src/gallium/drivers/nvc0/nvc0_state.c +++ b/src/gallium/drivers/nvc0/nvc0_state.c @@ -177,9 +177,9 @@ nvc0_rasterizer_state_create(struct pipe_context *pipe, return NULL; so->pipe = *cso; -#ifndef NVC0_SCISSORS_CLIPPING - SB_IMMED_3D(so, SCISSOR_ENABLE(0), cso->scissor); -#endif + /* Scissor enables are handled in scissor state, we will not want to + * always emit 16 commands, one for each scissor rectangle, here. + */ SB_BEGIN_3D(so, SHADE_MODEL, 1); SB_DATA (so, cso->flatshade ? NVC0_3D_SHADE_MODEL_FLAT : diff --git a/src/gallium/drivers/nvc0/nvc0_state_validate.c b/src/gallium/drivers/nvc0/nvc0_state_validate.c index 7406f6c7917..96c1198d4cb 100644 --- a/src/gallium/drivers/nvc0/nvc0_state_validate.c +++ b/src/gallium/drivers/nvc0/nvc0_state_validate.c @@ -117,12 +117,6 @@ nvc0_validate_fb(struct nvc0_context *nvc0) BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1); OUT_RING (chan, 0); } - -#ifndef NVC0_SCISSORS_CLIPPING - BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2); - OUT_RING (chan, fb->width << 16); - OUT_RING (chan, fb->height << 16); -#endif } static void @@ -164,65 +158,54 @@ nvc0_validate_scissor(struct nvc0_context *nvc0) { struct nouveau_channel *chan = nvc0->screen->base.channel; struct pipe_scissor_state *s = &nvc0->scissor; -#ifdef NVC0_SCISSORS_CLIPPING - struct pipe_viewport_state *vp = &nvc0->viewport; - int minx, maxx, miny, maxy; - if (!(nvc0->dirty & - (NVC0_NEW_SCISSOR | NVC0_NEW_VIEWPORT | NVC0_NEW_FRAMEBUFFER)) && - nvc0->state.scissor == nvc0->rast->pipe.scissor) + if (!(nvc0->dirty & NVC0_NEW_SCISSOR) && + nvc0->rast->pipe.scissor == nvc0->state.scissor) return; nvc0->state.scissor = nvc0->rast->pipe.scissor; - if (nvc0->state.scissor) { - minx = s->minx; - maxx = s->maxx; - miny = s->miny; - maxy = s->maxy; + BEGIN_RING(chan, RING_3D(SCISSOR_HORIZ(0)), 2); + if (nvc0->rast->pipe.scissor) { + OUT_RING(chan, (s->maxx << 16) | s->minx); + OUT_RING(chan, (s->maxy << 16) | s->miny); } else { - minx = 0; - maxx = nvc0->framebuffer.width; - miny = 0; - maxy = nvc0->framebuffer.height; + OUT_RING(chan, (0xffff << 16) | 0); + OUT_RING(chan, (0xffff << 16) | 0); } - - minx = MAX2(minx, (int)(vp->translate[0] - fabsf(vp->scale[0]))); - maxx = MIN2(maxx, (int)(vp->translate[0] + fabsf(vp->scale[0]))); - miny = MAX2(miny, (int)(vp->translate[1] - fabsf(vp->scale[1]))); - maxy = MIN2(maxy, (int)(vp->translate[1] + fabsf(vp->scale[1]))); - - BEGIN_RING(chan, RING_3D(SCISSOR_HORIZ(0)), 2); - OUT_RING (chan, (maxx << 16) | minx); - OUT_RING (chan, (maxy << 16) | miny); - BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2); - OUT_RING (chan, ((maxx - minx) << 16) | minx); - OUT_RING (chan, ((maxy - miny) << 16) | miny); -#else - BEGIN_RING(chan, RING_3D(SCISSOR_HORIZ(0)), 2); - OUT_RING (chan, (s->maxx << 16) | s->minx); - OUT_RING (chan, (s->maxy << 16) | s->miny); -#endif } static void nvc0_validate_viewport(struct nvc0_context *nvc0) { struct nouveau_channel *chan = nvc0->screen->base.channel; + struct pipe_viewport_state *vp = &nvc0->viewport; + int x, y, w, h; + float zmin, zmax; BEGIN_RING(chan, RING_3D(VIEWPORT_TRANSLATE_X(0)), 3); - OUT_RINGf (chan, nvc0->viewport.translate[0]); - OUT_RINGf (chan, nvc0->viewport.translate[1]); - OUT_RINGf (chan, nvc0->viewport.translate[2]); + OUT_RINGf (chan, vp->translate[0]); + OUT_RINGf (chan, vp->translate[1]); + OUT_RINGf (chan, vp->translate[2]); BEGIN_RING(chan, RING_3D(VIEWPORT_SCALE_X(0)), 3); - OUT_RINGf (chan, nvc0->viewport.scale[0]); - OUT_RINGf (chan, nvc0->viewport.scale[1]); - OUT_RINGf (chan, nvc0->viewport.scale[2]); + OUT_RINGf (chan, vp->scale[0]); + OUT_RINGf (chan, vp->scale[1]); + OUT_RINGf (chan, vp->scale[2]); -#ifdef NVC0_SCISSORS_CLIPPING + /* now set the viewport rectangle to viewport dimensions for clipping */ + + x = (int)(vp->translate[0] - fabsf(vp->scale[0])); + y = (int)(vp->translate[1] - fabsf(vp->scale[1])); + w = (int)fabsf(2.0f * vp->scale[0]); + h = (int)fabsf(2.0f * vp->scale[1]); + zmin = vp->translate[2] - fabsf(vp->scale[2]); + zmax = vp->translate[2] + fabsf(vp->scale[2]); + + BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2); + OUT_RING (chan, (w << 16) | x); + OUT_RING (chan, (h << 16) | y); BEGIN_RING(chan, RING_3D(DEPTH_RANGE_NEAR(0)), 2); - OUT_RINGf (chan, nvc0->viewport.translate[2] - nvc0->viewport.scale[2]); - OUT_RINGf (chan, nvc0->viewport.translate[2] + nvc0->viewport.scale[2]); -#endif + OUT_RINGf (chan, zmin); + OUT_RINGf (chan, zmax); } static void @@ -231,10 +214,15 @@ nvc0_validate_clip(struct nvc0_context *nvc0) struct nouveau_channel *chan = nvc0->screen->base.channel; uint32_t clip; - clip = nvc0->clip.depth_clamp ? 0x201a : 0x0002; -#ifndef NVC0_SCISSORS_CLIPPING - clip |= 0x1080; -#endif + if (nvc0->clip.depth_clamp) { + clip = + NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1 | + NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_NEAR | + NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_FAR | + NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK2; + } else { + clip = NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1; + } BEGIN_RING(chan, RING_3D(VIEW_VOLUME_CLIP_CTRL), 1); OUT_RING (chan, clip); @@ -418,13 +406,7 @@ static struct state_validate { { nvc0_validate_blend_colour, NVC0_NEW_BLEND_COLOUR }, { nvc0_validate_stencil_ref, NVC0_NEW_STENCIL_REF }, { nvc0_validate_stipple, NVC0_NEW_STIPPLE }, -#ifdef NVC0_SCISSORS_CLIPPING - { nvc0_validate_scissor, NVC0_NEW_SCISSOR | NVC0_NEW_VIEWPORT | - NVC0_NEW_RASTERIZER | - NVC0_NEW_FRAMEBUFFER }, -#else - { nvc0_validate_scissor, NVC0_NEW_SCISSOR }, -#endif + { nvc0_validate_scissor, NVC0_NEW_SCISSOR | NVC0_NEW_RASTERIZER }, { nvc0_validate_viewport, NVC0_NEW_VIEWPORT }, { nvc0_validate_clip, NVC0_NEW_CLIP }, { nvc0_vertprog_validate, NVC0_NEW_VERTPROG }, diff --git a/src/gallium/drivers/nvc0/nvc0_stateobj.h b/src/gallium/drivers/nvc0/nvc0_stateobj.h index 5b15e286751..57566128ab5 100644 --- a/src/gallium/drivers/nvc0/nvc0_stateobj.h +++ b/src/gallium/drivers/nvc0/nvc0_stateobj.h @@ -4,8 +4,6 @@ #include "pipe/p_state.h" -#define NVC0_SCISSORS_CLIPPING - #define SB_BEGIN_3D(so, m, s) \ (so)->state[(so)->size++] = \ (0x2 << 28) | ((s) << 16) | (NVC0_SUBCH_3D << 13) | ((NVC0_3D_##m) >> 2)