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-rw-r--r--src/gallium/drivers/nouveau/Makefile8
-rw-r--r--src/gallium/drivers/nouveau/nouveau_gldefs.h196
-rw-r--r--src/gallium/drivers/nouveau/nouveau_push.h93
-rw-r--r--src/gallium/drivers/nouveau/nouveau_screen.c243
-rw-r--r--src/gallium/drivers/nouveau/nouveau_screen.h36
-rw-r--r--src/gallium/drivers/nouveau/nouveau_stateobj.h159
-rw-r--r--src/gallium/drivers/nouveau/nouveau_util.h91
-rw-r--r--src/gallium/drivers/nouveau/nouveau_winsys.h62
8 files changed, 888 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/Makefile b/src/gallium/drivers/nouveau/Makefile
new file mode 100644
index 0000000000..dbe8a6e7bf
--- /dev/null
+++ b/src/gallium/drivers/nouveau/Makefile
@@ -0,0 +1,8 @@
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = nouveau
+
+C_SOURCES = nouveau_screen.c
+
+include ../../Makefile.template
diff --git a/src/gallium/drivers/nouveau/nouveau_gldefs.h b/src/gallium/drivers/nouveau/nouveau_gldefs.h
new file mode 100644
index 0000000000..ff97aaa9af
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_gldefs.h
@@ -0,0 +1,196 @@
+#ifndef __NOUVEAU_GLDEFS_H__
+#define __NOUVEAU_GLDEFS_H__
+
+static INLINE unsigned
+nvgl_blend_func(unsigned factor)
+{
+ switch (factor) {
+ case PIPE_BLENDFACTOR_ZERO:
+ return 0x0000;
+ case PIPE_BLENDFACTOR_ONE:
+ return 0x0001;
+ case PIPE_BLENDFACTOR_SRC_COLOR:
+ return 0x0300;
+ case PIPE_BLENDFACTOR_INV_SRC_COLOR:
+ return 0x0301;
+ case PIPE_BLENDFACTOR_SRC_ALPHA:
+ return 0x0302;
+ case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
+ return 0x0303;
+ case PIPE_BLENDFACTOR_DST_ALPHA:
+ return 0x0304;
+ case PIPE_BLENDFACTOR_INV_DST_ALPHA:
+ return 0x0305;
+ case PIPE_BLENDFACTOR_DST_COLOR:
+ return 0x0306;
+ case PIPE_BLENDFACTOR_INV_DST_COLOR:
+ return 0x0307;
+ case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
+ return 0x0308;
+ case PIPE_BLENDFACTOR_CONST_COLOR:
+ return 0x8001;
+ case PIPE_BLENDFACTOR_INV_CONST_COLOR:
+ return 0x8002;
+ case PIPE_BLENDFACTOR_CONST_ALPHA:
+ return 0x8003;
+ case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
+ return 0x8004;
+ default:
+ return 0x0000;
+ }
+}
+
+static INLINE unsigned
+nvgl_blend_eqn(unsigned func)
+{
+ switch (func) {
+ case PIPE_BLEND_ADD:
+ return 0x8006;
+ case PIPE_BLEND_MIN:
+ return 0x8007;
+ case PIPE_BLEND_MAX:
+ return 0x8008;
+ case PIPE_BLEND_SUBTRACT:
+ return 0x800a;
+ case PIPE_BLEND_REVERSE_SUBTRACT:
+ return 0x800b;
+ default:
+ return 0x8006;
+ }
+}
+
+static INLINE unsigned
+nvgl_logicop_func(unsigned func)
+{
+ switch (func) {
+ case PIPE_LOGICOP_CLEAR:
+ return 0x1500;
+ case PIPE_LOGICOP_NOR:
+ return 0x1508;
+ case PIPE_LOGICOP_AND_INVERTED:
+ return 0x1504;
+ case PIPE_LOGICOP_COPY_INVERTED:
+ return 0x150c;
+ case PIPE_LOGICOP_AND_REVERSE:
+ return 0x1502;
+ case PIPE_LOGICOP_INVERT:
+ return 0x150a;
+ case PIPE_LOGICOP_XOR:
+ return 0x1506;
+ case PIPE_LOGICOP_NAND:
+ return 0x150e;
+ case PIPE_LOGICOP_AND:
+ return 0x1501;
+ case PIPE_LOGICOP_EQUIV:
+ return 0x1509;
+ case PIPE_LOGICOP_NOOP:
+ return 0x1505;
+ case PIPE_LOGICOP_OR_INVERTED:
+ return 0x150d;
+ case PIPE_LOGICOP_COPY:
+ return 0x1503;
+ case PIPE_LOGICOP_OR_REVERSE:
+ return 0x150b;
+ case PIPE_LOGICOP_OR:
+ return 0x1507;
+ case PIPE_LOGICOP_SET:
+ return 0x150f;
+ default:
+ return 0x1505;
+ }
+}
+
+static INLINE unsigned
+nvgl_comparison_op(unsigned op)
+{
+ switch (op) {
+ case PIPE_FUNC_NEVER:
+ return 0x0200;
+ case PIPE_FUNC_LESS:
+ return 0x0201;
+ case PIPE_FUNC_EQUAL:
+ return 0x0202;
+ case PIPE_FUNC_LEQUAL:
+ return 0x0203;
+ case PIPE_FUNC_GREATER:
+ return 0x0204;
+ case PIPE_FUNC_NOTEQUAL:
+ return 0x0205;
+ case PIPE_FUNC_GEQUAL:
+ return 0x0206;
+ case PIPE_FUNC_ALWAYS:
+ return 0x0207;
+ default:
+ return 0x0207;
+ }
+}
+
+static INLINE unsigned
+nvgl_polygon_mode(unsigned mode)
+{
+ switch (mode) {
+ case PIPE_POLYGON_MODE_POINT:
+ return 0x1b00;
+ case PIPE_POLYGON_MODE_LINE:
+ return 0x1b01;
+ case PIPE_POLYGON_MODE_FILL:
+ return 0x1b02;
+ default:
+ return 0x1b02;
+ }
+}
+
+static INLINE unsigned
+nvgl_stencil_op(unsigned op)
+{
+ switch (op) {
+ case PIPE_STENCIL_OP_ZERO:
+ return 0x0000;
+ case PIPE_STENCIL_OP_INVERT:
+ return 0x150a;
+ case PIPE_STENCIL_OP_KEEP:
+ return 0x1e00;
+ case PIPE_STENCIL_OP_REPLACE:
+ return 0x1e01;
+ case PIPE_STENCIL_OP_INCR:
+ return 0x1e02;
+ case PIPE_STENCIL_OP_DECR:
+ return 0x1e03;
+ case PIPE_STENCIL_OP_INCR_WRAP:
+ return 0x8507;
+ case PIPE_STENCIL_OP_DECR_WRAP:
+ return 0x8508;
+ default:
+ return 0x1e00;
+ }
+}
+
+static INLINE unsigned
+nvgl_primitive(unsigned prim) {
+ switch (prim) {
+ case PIPE_PRIM_POINTS:
+ return 0x0001;
+ case PIPE_PRIM_LINES:
+ return 0x0002;
+ case PIPE_PRIM_LINE_LOOP:
+ return 0x0003;
+ case PIPE_PRIM_LINE_STRIP:
+ return 0x0004;
+ case PIPE_PRIM_TRIANGLES:
+ return 0x0005;
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ return 0x0006;
+ case PIPE_PRIM_TRIANGLE_FAN:
+ return 0x0007;
+ case PIPE_PRIM_QUADS:
+ return 0x0008;
+ case PIPE_PRIM_QUAD_STRIP:
+ return 0x0009;
+ case PIPE_PRIM_POLYGON:
+ return 0x000a;
+ default:
+ return 0;
+ }
+}
+
+#endif
diff --git a/src/gallium/drivers/nouveau/nouveau_push.h b/src/gallium/drivers/nouveau/nouveau_push.h
new file mode 100644
index 0000000000..9c235080a5
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_push.h
@@ -0,0 +1,93 @@
+#ifndef __NOUVEAU_PUSH_H__
+#define __NOUVEAU_PUSH_H__
+
+#include "nouveau/nouveau_winsys.h"
+
+#ifndef NOUVEAU_PUSH_CONTEXT
+#error undefined push context
+#endif
+
+#define OUT_RING(data) do { \
+ NOUVEAU_PUSH_CONTEXT(pc); \
+ (*pc->base.channel->pushbuf->cur++) = (data); \
+} while(0)
+
+#define OUT_RINGp(src,size) do { \
+ NOUVEAU_PUSH_CONTEXT(pc); \
+ memcpy(pc->base.channel->pushbuf->cur, (src), (size) * 4); \
+ pc->base.channel->pushbuf->cur += (size); \
+} while(0)
+
+#define OUT_RINGf(data) do { \
+ union { float v; uint32_t u; } c; \
+ c.v = (data); \
+ OUT_RING(c.u); \
+} while(0)
+
+#define BEGIN_RING(obj,mthd,size) do { \
+ NOUVEAU_PUSH_CONTEXT(pc); \
+ struct nouveau_channel *chan = pc->base.channel; \
+ if (chan->pushbuf->remaining < ((size) + 1)) \
+ nouveau_pushbuf_flush(chan, ((size) + 1)); \
+ OUT_RING((pc->obj->subc << 13) | ((size) << 18) | (mthd)); \
+ chan->pushbuf->remaining -= ((size) + 1); \
+} while(0)
+
+#define BEGIN_RING_NI(obj,mthd,size) do { \
+ BEGIN_RING(obj, (mthd) | 0x40000000, (size)); \
+} while(0)
+
+static inline void
+DO_FIRE_RING(struct nouveau_channel *chan, struct pipe_fence_handle **fence)
+{
+ nouveau_pushbuf_flush(chan, 0);
+ if (fence)
+ *fence = NULL;
+}
+
+#define FIRE_RING(fence) do { \
+ NOUVEAU_PUSH_CONTEXT(pc); \
+ DO_FIRE_RING(pc->base.channel, fence); \
+} while(0)
+
+#define OUT_RELOC(bo,data,flags,vor,tor) do { \
+ NOUVEAU_PUSH_CONTEXT(pc); \
+ struct nouveau_channel *chan = pc->base.channel; \
+ nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, nouveau_bo(bo), \
+ (data), 0, (flags), (vor), (tor)); \
+} while(0)
+
+/* Raw data + flags depending on FB/TT buffer */
+#define OUT_RELOCd(bo,data,flags,vor,tor) do { \
+ OUT_RELOC((bo), (data), (flags) | NOUVEAU_BO_OR, (vor), (tor)); \
+} while(0)
+
+/* FB/TT object handle */
+#define OUT_RELOCo(bo,flags) do { \
+ OUT_RELOC((bo), 0, (flags) | NOUVEAU_BO_OR, \
+ pc->base.channel->vram->handle, \
+ pc->base.channel->gart->handle); \
+} while(0)
+
+/* Low 32-bits of offset */
+#define OUT_RELOCl(bo,delta,flags) do { \
+ OUT_RELOC((bo), (delta), (flags) | NOUVEAU_BO_LOW, 0, 0); \
+} while(0)
+
+/* High 32-bits of offset */
+#define OUT_RELOCh(bo,delta,flags) do { \
+ OUT_RELOC((bo), (delta), (flags) | NOUVEAU_BO_HIGH, 0, 0); \
+} while(0)
+
+/* A reloc which'll recombine into a NV_DMA_METHOD packet header */
+#define OUT_RELOCm(bo, flags, obj, mthd, size) do { \
+ NOUVEAU_PUSH_CONTEXT(pc); \
+ struct nouveau_channel *chan = pc->base.channel; \
+ if (chan->pushbuf->remaining < ((size) + 1)) \
+ nouveau_pushbuf_flush(chan, ((size) + 1)); \
+ OUT_RELOCd((bo), (pc->obj->subc << 13) | ((size) << 18) | (mthd), \
+ (flags), 0, 0); \
+ chan->pushbuf->remaining -= ((size) + 1); \
+} while(0)
+
+#endif
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.c b/src/gallium/drivers/nouveau/nouveau_screen.c
new file mode 100644
index 0000000000..e4cf91c005
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_screen.c
@@ -0,0 +1,243 @@
+#include <pipe/p_defines.h>
+#include <pipe/p_screen.h>
+#include <pipe/p_state.h>
+
+#include <util/u_memory.h>
+
+#include <errno.h>
+
+#include "nouveau/nouveau_bo.h"
+#include "nouveau_winsys.h"
+#include "nouveau_screen.h"
+
+static const char *
+nouveau_screen_get_name(struct pipe_screen *pscreen)
+{
+ struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+ static char buffer[128];
+
+ snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
+ return buffer;
+}
+
+static const char *
+nouveau_screen_get_vendor(struct pipe_screen *pscreen)
+{
+ return "nouveau";
+}
+
+static struct pipe_buffer *
+nouveau_screen_bo_skel(struct pipe_screen *pscreen, struct nouveau_bo *bo,
+ unsigned alignment, unsigned usage, unsigned size)
+{
+ struct pipe_buffer *pb;
+
+ pb = CALLOC(1, sizeof(struct pipe_buffer)+sizeof(struct nouveau_bo *));
+ if (!pb) {
+ nouveau_bo_ref(NULL, &bo);
+ return NULL;
+ }
+
+ pipe_reference_init(&pb->reference, 1);
+ pb->screen = pscreen;
+ pb->alignment = alignment;
+ pb->usage = usage;
+ pb->size = size;
+ *(struct nouveau_bo **)(pb + 1) = bo;
+ return pb;
+}
+
+static struct pipe_buffer *
+nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
+ unsigned usage, unsigned size)
+{
+ struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+ struct nouveau_bo *bo = NULL;
+ uint32_t flags = NOUVEAU_BO_MAP;
+ int ret;
+
+ if (usage & NOUVEAU_BUFFER_USAGE_TRANSFER)
+ flags |= NOUVEAU_BO_GART;
+ else
+ if (usage & PIPE_BUFFER_USAGE_VERTEX) {
+ if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_VTXBUF))
+ flags |= NOUVEAU_BO_GART;
+ } else
+ if (usage & PIPE_BUFFER_USAGE_INDEX) {
+ if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_IDXBUF))
+ flags |= NOUVEAU_BO_GART;
+ }
+
+ if (usage & PIPE_BUFFER_USAGE_PIXEL) {
+ if (usage & NOUVEAU_BUFFER_USAGE_TEXTURE)
+ flags |= NOUVEAU_BO_GART;
+ if (!(usage & PIPE_BUFFER_USAGE_CPU_READ_WRITE))
+ flags |= NOUVEAU_BO_VRAM;
+
+ if (dev->chipset == 0x50 || dev->chipset >= 0x80) {
+ flags |= NOUVEAU_BO_TILED;
+ if (usage & NOUVEAU_BUFFER_USAGE_ZETA)
+ flags |= NOUVEAU_BO_ZTILE;
+ }
+ }
+
+ ret = nouveau_bo_new(dev, flags, alignment, size, &bo);
+ if (ret)
+ return NULL;
+
+ return nouveau_screen_bo_skel(pscreen, bo, alignment, usage, size);
+}
+
+static struct pipe_buffer *
+nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
+{
+ struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+ struct nouveau_bo *bo = NULL;
+ int ret;
+
+ ret = nouveau_bo_user(dev, ptr, bytes, &bo);
+ if (ret)
+ return NULL;
+
+ return nouveau_screen_bo_skel(pscreen, bo, 0, 0, bytes);
+}
+
+static inline uint32_t
+nouveau_screen_map_flags(unsigned pipe)
+{
+ uint32_t flags = 0;
+
+ if (pipe & PIPE_BUFFER_USAGE_CPU_READ)
+ flags |= NOUVEAU_BO_RD;
+ if (pipe & PIPE_BUFFER_USAGE_CPU_WRITE)
+ flags |= NOUVEAU_BO_WR;
+ if (pipe & PIPE_BUFFER_USAGE_DISCARD)
+ flags |= NOUVEAU_BO_INVAL;
+ if (pipe & PIPE_BUFFER_USAGE_DONTBLOCK)
+ flags |= NOUVEAU_BO_NOWAIT;
+ else
+ if (pipe & 0 /*PIPE_BUFFER_USAGE_UNSYNCHRONIZED*/)
+ flags |= NOUVEAU_BO_NOSYNC;
+
+ return flags;
+}
+
+static void *
+nouveau_screen_bo_map(struct pipe_screen *pscreen, struct pipe_buffer *pb,
+ unsigned usage)
+{
+ struct nouveau_bo *bo = nouveau_bo(pb);
+ int ret;
+
+ ret = nouveau_bo_map(bo, nouveau_screen_map_flags(usage));
+ if (ret) {
+ debug_printf("map failed: %d\n", ret);
+ return NULL;
+ }
+
+ return bo->map;
+}
+
+static void *
+nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct pipe_buffer *pb,
+ unsigned offset, unsigned length, unsigned usage)
+{
+ struct nouveau_bo *bo = nouveau_bo(pb);
+ uint32_t flags = nouveau_screen_map_flags(usage);
+ int ret;
+
+ ret = nouveau_bo_map_range(bo, offset, length, flags);
+ if (ret) {
+ if (!(flags & NOUVEAU_BO_NOWAIT) || ret != -EBUSY)
+ debug_printf("map_range failed: %d\n", ret);
+ return NULL;
+ }
+
+ return (char *)bo->map - offset; /* why gallium? why? */
+}
+
+static void
+nouveau_screen_bo_map_flush(struct pipe_screen *pscreen, struct pipe_buffer *pb,
+ unsigned offset, unsigned length)
+{
+ struct nouveau_bo *bo = nouveau_bo(pb);
+
+ nouveau_bo_map_flush(bo, offset, length);
+}
+
+static void
+nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct pipe_buffer *pb)
+{
+ struct nouveau_bo *bo = nouveau_bo(pb);
+
+ nouveau_bo_unmap(bo);
+}
+
+static void
+nouveau_screen_bo_del(struct pipe_buffer *pb)
+{
+ struct nouveau_bo *bo = nouveau_bo(pb);
+
+ nouveau_bo_ref(NULL, &bo);
+ FREE(pb);
+}
+
+static void
+nouveau_screen_fence_ref(struct pipe_screen *pscreen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *pfence)
+{
+ *ptr = pfence;
+}
+
+static int
+nouveau_screen_fence_signalled(struct pipe_screen *screen,
+ struct pipe_fence_handle *pfence,
+ unsigned flags)
+{
+ return 0;
+}
+
+static int
+nouveau_screen_fence_finish(struct pipe_screen *screen,
+ struct pipe_fence_handle *pfence,
+ unsigned flags)
+{
+ return 0;
+}
+
+int
+nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
+{
+ struct pipe_screen *pscreen = &screen->base;
+ int ret;
+
+ ret = nouveau_channel_alloc(dev, 0xbeef0201, 0xbeef0202,
+ &screen->channel);
+ if (ret)
+ return ret;
+ screen->device = dev;
+
+ pscreen->get_name = nouveau_screen_get_name;
+ pscreen->get_vendor = nouveau_screen_get_vendor;
+
+ pscreen->buffer_create = nouveau_screen_bo_new;
+ pscreen->user_buffer_create = nouveau_screen_bo_user;
+ pscreen->buffer_map = nouveau_screen_bo_map;
+ pscreen->buffer_map_range = nouveau_screen_bo_map_range;
+ pscreen->buffer_flush_mapped_range = nouveau_screen_bo_map_flush;
+ pscreen->buffer_unmap = nouveau_screen_bo_unmap;
+ pscreen->buffer_destroy = nouveau_screen_bo_del;
+
+ pscreen->fence_reference = nouveau_screen_fence_ref;
+ pscreen->fence_signalled = nouveau_screen_fence_signalled;
+ pscreen->fence_finish = nouveau_screen_fence_finish;
+
+ return 0;
+}
+
+void
+nouveau_screen_fini(struct nouveau_screen *screen)
+{
+}
+
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.h b/src/gallium/drivers/nouveau/nouveau_screen.h
new file mode 100644
index 0000000000..ebfc67ad1c
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_screen.h
@@ -0,0 +1,36 @@
+#ifndef __NOUVEAU_SCREEN_H__
+#define __NOUVEAU_SCREEN_H__
+
+struct nouveau_screen {
+ struct pipe_screen base;
+ struct nouveau_device *device;
+ struct nouveau_channel *channel;
+};
+
+static inline struct nouveau_screen *
+nouveau_screen(struct pipe_screen *pscreen)
+{
+ return (struct nouveau_screen *)pscreen;
+}
+
+static inline struct nouveau_bo *
+nouveau_bo(struct pipe_buffer *pb)
+{
+ return pb ? *(struct nouveau_bo **)(pb + 1) : NULL;
+}
+
+int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
+void nouveau_screen_fini(struct nouveau_screen *);
+
+struct nouveau_miptree {
+ struct pipe_texture base;
+ struct nouveau_bo *bo;
+};
+
+static inline struct nouveau_miptree *
+nouveau_miptree(struct pipe_texture *pt)
+{
+ return (struct nouveau_miptree *)pt;
+}
+
+#endif
diff --git a/src/gallium/drivers/nouveau/nouveau_stateobj.h b/src/gallium/drivers/nouveau/nouveau_stateobj.h
new file mode 100644
index 0000000000..b595405357
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_stateobj.h
@@ -0,0 +1,159 @@
+#ifndef __NOUVEAU_STATEOBJ_H__
+#define __NOUVEAU_STATEOBJ_H__
+
+#include "util/u_debug.h"
+
+struct nouveau_stateobj_reloc {
+ struct nouveau_bo *bo;
+
+ unsigned offset;
+ unsigned packet;
+
+ unsigned data;
+ unsigned flags;
+ unsigned vor;
+ unsigned tor;
+};
+
+struct nouveau_stateobj {
+ struct pipe_reference reference;
+
+ unsigned *push;
+ struct nouveau_stateobj_reloc *reloc;
+
+ unsigned *cur;
+ unsigned cur_packet;
+ unsigned cur_reloc;
+};
+
+static INLINE struct nouveau_stateobj *
+so_new(unsigned push, unsigned reloc)
+{
+ struct nouveau_stateobj *so;
+
+ so = MALLOC(sizeof(struct nouveau_stateobj));
+ pipe_reference_init(&so->reference, 1);
+ so->push = MALLOC(sizeof(unsigned) * push);
+ so->reloc = MALLOC(sizeof(struct nouveau_stateobj_reloc) * reloc);
+
+ so->cur = so->push;
+ so->cur_reloc = so->cur_packet = 0;
+
+ return so;
+}
+
+static INLINE void
+so_ref(struct nouveau_stateobj *ref, struct nouveau_stateobj **pso)
+{
+ struct nouveau_stateobj *so = *pso;
+ int i;
+
+ if (pipe_reference((struct pipe_reference**)pso, &ref->reference)) {
+ free(so->push);
+ for (i = 0; i < so->cur_reloc; i++)
+ nouveau_bo_ref(NULL, &so->reloc[i].bo);
+ free(so->reloc);
+ free(so);
+ }
+}
+
+static INLINE void
+so_data(struct nouveau_stateobj *so, unsigned data)
+{
+ (*so->cur++) = (data);
+ so->cur_packet += 4;
+}
+
+static INLINE void
+so_datap(struct nouveau_stateobj *so, unsigned *data, unsigned size)
+{
+ so->cur_packet += (4 * size);
+ while (size--)
+ (*so->cur++) = (*data++);
+}
+
+static INLINE void
+so_method(struct nouveau_stateobj *so, struct nouveau_grobj *gr,
+ unsigned mthd, unsigned size)
+{
+ so->cur_packet = (gr->subc << 13) | (1 << 18) | (mthd - 4);
+ so_data(so, (gr->subc << 13) | (size << 18) | mthd);
+}
+
+static INLINE void
+so_reloc(struct nouveau_stateobj *so, struct nouveau_bo *bo,
+ unsigned data, unsigned flags, unsigned vor, unsigned tor)
+{
+ struct nouveau_stateobj_reloc *r = &so->reloc[so->cur_reloc++];
+
+ r->bo = NULL;
+ nouveau_bo_ref(bo, &r->bo);
+ r->offset = so->cur - so->push;
+ r->packet = so->cur_packet;
+ r->data = data;
+ r->flags = flags;
+ r->vor = vor;
+ r->tor = tor;
+ so_data(so, data);
+}
+
+static INLINE void
+so_dump(struct nouveau_stateobj *so)
+{
+ unsigned i, nr = so->cur - so->push;
+
+ for (i = 0; i < nr; i++)
+ debug_printf("+0x%04x: 0x%08x\n", i, so->push[i]);
+}
+
+static INLINE void
+so_emit(struct nouveau_channel *chan, struct nouveau_stateobj *so)
+{
+ struct nouveau_pushbuf *pb = chan->pushbuf;
+ unsigned nr, i;
+
+ nr = so->cur - so->push;
+ if (pb->remaining < nr)
+ nouveau_pushbuf_flush(chan, nr);
+ pb->remaining -= nr;
+
+ memcpy(pb->cur, so->push, nr * 4);
+ for (i = 0; i < so->cur_reloc; i++) {
+ struct nouveau_stateobj_reloc *r = &so->reloc[i];
+
+ nouveau_pushbuf_emit_reloc(chan, pb->cur + r->offset,
+ r->bo, r->data, 0, r->flags,
+ r->vor, r->tor);
+ }
+ pb->cur += nr;
+}
+
+static INLINE void
+so_emit_reloc_markers(struct nouveau_channel *chan, struct nouveau_stateobj *so)
+{
+ struct nouveau_pushbuf *pb = chan->pushbuf;
+ unsigned i;
+
+ if (!so)
+ return;
+
+ i = so->cur_reloc << 1;
+ if (pb->remaining < i)
+ nouveau_pushbuf_flush(chan, i);
+ pb->remaining -= i;
+
+ for (i = 0; i < so->cur_reloc; i++) {
+ struct nouveau_stateobj_reloc *r = &so->reloc[i];
+
+ nouveau_pushbuf_emit_reloc(chan, pb->cur++, r->bo, r->packet, 0,
+ (r->flags & (NOUVEAU_BO_VRAM |
+ NOUVEAU_BO_GART |
+ NOUVEAU_BO_RDWR)) |
+ NOUVEAU_BO_DUMMY, 0, 0);
+ nouveau_pushbuf_emit_reloc(chan, pb->cur++, r->bo, r->data, 0,
+ r->flags | NOUVEAU_BO_DUMMY,
+ r->vor, r->tor);
+ }
+}
+
+#endif
diff --git a/src/gallium/drivers/nouveau/nouveau_util.h b/src/gallium/drivers/nouveau/nouveau_util.h
new file mode 100644
index 0000000000..a10114beab
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_util.h
@@ -0,0 +1,91 @@
+#ifndef __NOUVEAU_UTIL_H__
+#define __NOUVEAU_UTIL_H__
+
+/* Determine how many vertices can be pushed into the command stream.
+ * Where the remaining space isn't large enough to represent all verices,
+ * split the buffer at primitive boundaries.
+ *
+ * Returns a count of vertices that can be rendered, and an index to
+ * restart drawing at after a flush.
+ */
+static INLINE unsigned
+nouveau_vbuf_split(unsigned remaining, unsigned overhead, unsigned vpp,
+ unsigned mode, unsigned start, unsigned count,
+ unsigned *restart)
+{
+ int max, adj = 0;
+
+ max = remaining - overhead;
+ if (max < 0)
+ return 0;
+
+ max *= vpp;
+ if (max >= count)
+ return count;
+
+ switch (mode) {
+ case PIPE_PRIM_POINTS:
+ break;
+ case PIPE_PRIM_LINES:
+ max = max & 1;
+ break;
+ case PIPE_PRIM_TRIANGLES:
+ max = max - (max % 3);
+ break;
+ case PIPE_PRIM_QUADS:
+ max = max & 3;
+ break;
+ case PIPE_PRIM_LINE_LOOP:
+ case PIPE_PRIM_LINE_STRIP:
+ if (max < 2)
+ max = 0;
+ adj = 1;
+ break;
+ case PIPE_PRIM_POLYGON:
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ case PIPE_PRIM_TRIANGLE_FAN:
+ if (max < 3)
+ max = 0;
+ adj = 2;
+ break;
+ case PIPE_PRIM_QUAD_STRIP:
+ if (max < 4)
+ max = 0;
+ adj = 3;
+ break;
+ default:
+ assert(0);
+ }
+
+ *restart = start + max - adj;
+ return max;
+}
+
+/* Integer base-2 logarithm, rounded towards zero. */
+static INLINE unsigned log2i(unsigned i)
+{
+ unsigned r = 0;
+
+ if (i & 0xffff0000) {
+ i >>= 16;
+ r += 16;
+ }
+ if (i & 0x0000ff00) {
+ i >>= 8;
+ r += 8;
+ }
+ if (i & 0x000000f0) {
+ i >>= 4;
+ r += 4;
+ }
+ if (i & 0x0000000c) {
+ i >>= 2;
+ r += 2;
+ }
+ if (i & 0x00000002) {
+ r += 1;
+ }
+ return r;
+}
+
+#endif
diff --git a/src/gallium/drivers/nouveau/nouveau_winsys.h b/src/gallium/drivers/nouveau/nouveau_winsys.h
new file mode 100644
index 0000000000..42c77e5e77
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_winsys.h
@@ -0,0 +1,62 @@
+#ifndef NOUVEAU_WINSYS_H
+#define NOUVEAU_WINSYS_H
+
+#include <stdint.h>
+#include "pipe/internal/p_winsys_screen.h"
+#include "pipe/p_defines.h"
+
+#include "nouveau/nouveau_bo.h"
+#include "nouveau/nouveau_channel.h"
+#include "nouveau/nouveau_class.h"
+#include "nouveau/nouveau_device.h"
+#include "nouveau/nouveau_grobj.h"
+#include "nouveau/nouveau_notifier.h"
+#include "nouveau/nouveau_resource.h"
+#include "nouveau/nouveau_pushbuf.h"
+
+#define NOUVEAU_CAP_HW_VTXBUF (0xbeef0000)
+#define NOUVEAU_CAP_HW_IDXBUF (0xbeef0001)
+
+#define NOUVEAU_TEXTURE_USAGE_LINEAR (1 << 16)
+
+#define NOUVEAU_BUFFER_USAGE_TEXTURE (1 << 16)
+#define NOUVEAU_BUFFER_USAGE_ZETA (1 << 17)
+#define NOUVEAU_BUFFER_USAGE_TRANSFER (1 << 18)
+
+extern struct pipe_screen *
+nv04_screen_create(struct pipe_winsys *ws, struct nouveau_device *);
+
+extern struct pipe_context *
+nv04_create(struct pipe_screen *, unsigned pctx_id);
+
+extern struct pipe_screen *
+nv10_screen_create(struct pipe_winsys *ws, struct nouveau_device *);
+
+extern struct pipe_context *
+nv10_create(struct pipe_screen *, unsigned pctx_id);
+
+extern struct pipe_screen *
+nv20_screen_create(struct pipe_winsys *ws, struct nouveau_device *);
+
+extern struct pipe_context *
+nv20_create(struct pipe_screen *, unsigned pctx_id);
+
+extern struct pipe_screen *
+nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *);
+
+extern struct pipe_context *
+nv30_create(struct pipe_screen *, unsigned pctx_id);
+
+extern struct pipe_screen *
+nv40_screen_create(struct pipe_winsys *ws, struct nouveau_device *);
+
+extern struct pipe_context *
+nv40_create(struct pipe_screen *, unsigned pctx_id);
+
+extern struct pipe_screen *
+nv50_screen_create(struct pipe_winsys *ws, struct nouveau_device *);
+
+extern struct pipe_context *
+nv50_create(struct pipe_screen *, unsigned pctx_id);
+
+#endif