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-rw-r--r--src/gallium/drivers/nvc0/nvc0_state.c4
-rw-r--r--src/gallium/drivers/nvc0/nvc0_state_validate.c59
-rw-r--r--src/gallium/drivers/nvc0/nvc0_stateobj.h4
3 files changed, 56 insertions, 11 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_state.c b/src/gallium/drivers/nvc0/nvc0_state.c
index 8d293233b1..a462b543ad 100644
--- a/src/gallium/drivers/nvc0/nvc0_state.c
+++ b/src/gallium/drivers/nvc0/nvc0_state.c
@@ -175,6 +175,10 @@ nvc0_rasterizer_state_create(struct pipe_context *pipe,
if (!so)
return NULL;
so->pipe = *cso;
+
+#ifndef NVC0_SCISSORS_CLIPPING
+ SB_OUT_3D (so, SCISSOR_ENABLE(0), cso->scissor);
+#endif
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 fe40d493d9..a1419bb310 100644
--- a/src/gallium/drivers/nvc0/nvc0_state_validate.c
+++ b/src/gallium/drivers/nvc0/nvc0_state_validate.c
@@ -107,9 +107,11 @@ nvc0_validate_fb(struct nvc0_context *nvc0)
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
@@ -151,21 +153,44 @@ 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->state.scissor == nvc0->rast->pipe.scissor)
+ if (!(nvc0->dirty &
+ (NVC0_NEW_SCISSOR | NVC0_NEW_VIEWPORT | NVC0_NEW_FRAMEBUFFER)) &&
+ nvc0->state.scissor == nvc0->rast->pipe.scissor)
return;
nvc0->state.scissor = nvc0->rast->pipe.scissor;
if (nvc0->state.scissor) {
- 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);
+ minx = s->minx;
+ maxx = s->maxx;
+ miny = s->miny;
+ maxy = s->maxy;
} else {
- BEGIN_RING(chan, RING_3D(SCISSOR_HORIZ(0)), 2);
- OUT_RING (chan, nvc0->framebuffer.width << 16);
- OUT_RING (chan, nvc0->framebuffer.height << 16);
+ minx = 0;
+ maxx = nvc0->framebuffer.width;
+ miny = 0;
+ maxy = nvc0->framebuffer.height;
}
+
+ 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
@@ -181,6 +206,12 @@ nvc0_validate_viewport(struct nvc0_context *nvc0)
OUT_RINGf (chan, nvc0->viewport.scale[0]);
OUT_RINGf (chan, nvc0->viewport.scale[1]);
OUT_RINGf (chan, nvc0->viewport.scale[2]);
+
+#ifdef NVC0_SCISSORS_CLIPPING
+ 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
}
static void
@@ -190,6 +221,9 @@ nvc0_validate_clip(struct nvc0_context *nvc0)
uint32_t clip;
clip = nvc0->clip.depth_clamp ? 0x201a : 0x0002;
+#ifndef NVC0_SCISSORS_CLIPPING
+ clip |= 0x1080;
+#endif
BEGIN_RING(chan, RING_3D(VIEW_VOLUME_CLIP_CTRL), 1);
OUT_RING (chan, clip);
@@ -342,8 +376,13 @@ 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 },
- { nvc0_validate_scissor, NVC0_NEW_SCISSOR | NVC0_NEW_FRAMEBUFFER |
- NVC0_NEW_RASTERIZER },
+#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_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 41084f3694..67674d4093 100644
--- a/src/gallium/drivers/nvc0/nvc0_stateobj.h
+++ b/src/gallium/drivers/nvc0/nvc0_stateobj.h
@@ -4,6 +4,8 @@
#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)
@@ -46,7 +48,7 @@ nvc0_tic_entry(struct pipe_sampler_view *view)
struct nvc0_rasterizer_stateobj {
struct pipe_rasterizer_state pipe;
int size;
- uint32_t state[42];
+ uint32_t state[43];
};
struct nvc0_zsa_stateobj {