7 files changed, 140 insertions, 247 deletions

diff --git a/src/gallium/drivers/nouveau/Makefile b/src/gallium/drivers/nouveau/Makefile
index 0cb66041d5..db591b756c 100644
--- a/src/gallium/drivers/nouveau/Makefile
+++ b/src/gallium/drivers/nouveau/Makefile
@@ -3,7 +3,9 @@ include $(TOP)/configs/current
 
 LIBNAME = nouveau
 
-C_SOURCES = nouveau_screen.c \
-	    nouveau_context.c
+LIBRARY_INCLUDES = \
+	-I$(TOP)/src/gallium/drivers/nouveau/include
+
+C_SOURCES = nouveau_screen.c 
 
 include ../../Makefile.template
diff --git a/src/gallium/drivers/nouveau/nouveau_context.c b/src/gallium/drivers/nouveau/nouveau_context.c
deleted file mode 100644
index 15174983e7..0000000000
--- a/src/gallium/drivers/nouveau/nouveau_context.c
+++ /dev/null
@@ -1,41 +0,0 @@
-#include "pipe/p_defines.h"
-#include "pipe/p_context.h"
-
-#include "nouveau/nouveau_screen.h"
-#include "nouveau/nouveau_context.h"
-
-#include "nouveau/nouveau_bo.h"
-
-static unsigned int
-nouveau_reference_flags(struct nouveau_bo *bo)
-{
-	uint32_t bo_flags;
-	int flags = 0;
-
-	bo_flags = nouveau_bo_pending(bo);
-	if (bo_flags & NOUVEAU_BO_RD)
-		flags |= PIPE_REFERENCED_FOR_READ;
-	if (bo_flags & NOUVEAU_BO_WR)
-		flags |= PIPE_REFERENCED_FOR_WRITE;
-
-	return flags;
-}
-
-unsigned int
-nouveau_is_texture_referenced(struct pipe_context *pipe,
-			      struct pipe_texture *pt,
-			      unsigned face, unsigned level)
-{
-	struct nouveau_miptree *mt = nouveau_miptree(pt);
-
-	return nouveau_reference_flags(mt->bo);
-}
-
-unsigned int
-nouveau_is_buffer_referenced(struct pipe_context *pipe, struct pipe_buffer *pb)
-{
-	struct nouveau_bo *bo = nouveau_bo(pb);
-
-	return nouveau_reference_flags(bo);
-}
-
diff --git a/src/gallium/drivers/nouveau/nouveau_context.h b/src/gallium/drivers/nouveau/nouveau_context.h
deleted file mode 100644
index 6a28d40da7..0000000000
--- a/src/gallium/drivers/nouveau/nouveau_context.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef __NOUVEAU_CONTEXT_H__
-#define __NOUVEAU_CONTEXT_H__
-
-unsigned int
-nouveau_is_texture_referenced(struct pipe_context *, struct pipe_texture *,
-			      unsigned face, unsigned level);
-
-unsigned int
-nouveau_is_buffer_referenced(struct pipe_context *, struct pipe_buffer *);
-
-#endif
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.c b/src/gallium/drivers/nouveau/nouveau_screen.c
index b1ad686022..a0bbc3e38d 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.c
+++ b/src/gallium/drivers/nouveau/nouveau_screen.c
@@ -15,6 +15,7 @@
 
 /* XXX this should go away */
 #include "state_tracker/drm_api.h"
+#include "util/u_simple_screen.h"
 
 static const char *
 nouveau_screen_get_name(struct pipe_screen *pscreen)
@@ -32,56 +33,42 @@ 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 *
+struct nouveau_bo *
 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
-		      unsigned usage, unsigned size)
+		      unsigned usage, unsigned bind, unsigned size)
 {
 	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
 	struct nouveau_bo *bo = NULL;
 	uint32_t flags = NOUVEAU_BO_MAP, tile_mode = 0, tile_flags = 0;
 	int ret;
 
-	if (usage & NOUVEAU_BUFFER_USAGE_TRANSFER)
-		flags |= NOUVEAU_BO_GART;
-	else
-	if (usage & PIPE_BUFFER_USAGE_VERTEX) {
+	if (bind & PIPE_BIND_VERTEX_BUFFER) {
 		if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_VTXBUF))
 			flags |= NOUVEAU_BO_GART;
 	} else
-	if (usage & PIPE_BUFFER_USAGE_INDEX) {
+	if (usage & PIPE_BIND_INDEX_BUFFER) {
 		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)
+	if (bind & (PIPE_BIND_RENDER_TARGET |
+			PIPE_BIND_DEPTH_STENCIL |
+			PIPE_BIND_BLIT_SOURCE |
+			PIPE_BIND_BLIT_DESTINATION |
+			PIPE_BIND_SCANOUT |
+			PIPE_BIND_DISPLAY_TARGET |
+			PIPE_BIND_SAMPLER_VIEW))
+	{
+		/* TODO: this may be incorrect or suboptimal */
+		if (!(bind & PIPE_BIND_SCANOUT))
 			flags |= NOUVEAU_BO_GART;
-		if (!(usage & PIPE_BUFFER_USAGE_CPU_READ_WRITE))
+		if (usage != PIPE_USAGE_DYNAMIC)
 			flags |= NOUVEAU_BO_VRAM;
 
 		if (dev->chipset == 0x50 || dev->chipset >= 0x80) {
-			if (usage & NOUVEAU_BUFFER_USAGE_ZETA)
+			if (bind & PIPE_BIND_DEPTH_STENCIL)
 				tile_flags = 0x2800;
 			else
 				tile_flags = 0x7000;
@@ -93,10 +80,10 @@ nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
 	if (ret)
 		return NULL;
 
-	return nouveau_screen_bo_skel(pscreen, bo, alignment, usage, size);
+	return bo;
 }
 
-static struct pipe_buffer *
+struct nouveau_bo *
 nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
 {
 	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
@@ -107,47 +94,17 @@ nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
 	if (ret)
 		return NULL;
 
-	return nouveau_screen_bo_skel(pscreen, bo, 0, 0, bytes);
+	return bo;
 }
 
-static inline uint32_t
-nouveau_screen_map_flags(unsigned pipe)
+void *
+nouveau_screen_bo_map(struct pipe_screen *pscreen,
+		      struct nouveau_bo *bo,
+		      unsigned map_flags)
 {
-	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 & 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);
-	struct nouveau_screen *nscreen = nouveau_screen(pscreen);
 	int ret;
 
-	if (nscreen->pre_pipebuffer_map_callback) {
-		ret = nscreen->pre_pipebuffer_map_callback(pscreen, pb, usage);
-		if (ret) {
-			debug_printf("pre_pipebuffer_map_callback failed %d\n",
-				ret);
-			return NULL;
-		}
-	}
-
-	ret = nouveau_bo_map(bo, nouveau_screen_map_flags(usage));
+	ret = nouveau_bo_map(bo, map_flags);
 	if (ret) {
 		debug_printf("map failed: %d\n", ret);
 		return NULL;
@@ -156,24 +113,12 @@ nouveau_screen_bo_map(struct pipe_screen *pscreen, struct pipe_buffer *pb,
 	return bo->map;
 }
 
-static void *
-nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct pipe_buffer *pb,
-			    unsigned offset, unsigned length, unsigned usage)
+void *
+nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
+			    unsigned offset, unsigned length, unsigned flags)
 {
-	struct nouveau_bo *bo = nouveau_bo(pb);
-	struct nouveau_screen *nscreen = nouveau_screen(pscreen);
-	uint32_t flags = nouveau_screen_map_flags(usage);
 	int ret;
 
-	if (nscreen->pre_pipebuffer_map_callback) {
-		ret = nscreen->pre_pipebuffer_map_callback(pscreen, pb, usage);
-		if (ret) {
-			debug_printf("pre_pipebuffer_map_callback failed %d\n",
-				ret);
-			return NULL;
-		}
-	}
-
 	ret = nouveau_bo_map_range(bo, offset, length, flags);
 	if (ret) {
 		nouveau_bo_unmap(bo);
@@ -185,30 +130,23 @@ nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct pipe_buffer *pb,
 	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)
+void
+nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
+				  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)
+void
+nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo)
 {
-	struct nouveau_bo *bo = nouveau_bo(pb);
-
 	nouveau_bo_unmap(bo);
 }
 
-static void
-nouveau_screen_bo_del(struct pipe_buffer *pb)
+void
+nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo)
 {
-	struct nouveau_bo *bo = nouveau_bo(pb);
-
 	nouveau_bo_ref(NULL, &bo);
-	FREE(pb);
 }
 
 static void
@@ -236,71 +174,65 @@ nouveau_screen_fence_finish(struct pipe_screen *screen,
 }
 
 
-/*
- * Both texture_{from|get}_handle use drm api defines directly which they
- * shouldn't do. The problem is that from|get are pipe functions and as
- * such they should be defined in the pipe level. If nouveau had a propper
- * winsys interface we would have added from|get to that interface using
- * the winsys_handle struct as done with other drivers. However this code
- * calls directly into the libdrm_nouveau.so functions (nouveau_bo_*). So
- * we need to translate the handle into something they understand.
- */
-static struct pipe_texture *
-nouveau_screen_texture_from_handle(struct pipe_screen *pscreen,
-				   const struct pipe_texture *templ,
-				   struct winsys_handle *whandle)
+struct nouveau_bo *
+nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
+			      struct winsys_handle *whandle,
+			      unsigned *out_stride)
 {
 	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
-	struct pipe_texture *pt;
-	struct pipe_buffer *pb;
+	struct nouveau_bo *bo = 0;
 	int ret;
-
-	pb = CALLOC(1, sizeof(struct pipe_buffer) + sizeof(struct nouveau_bo*));
-	if (!pb)
-		return NULL;
-
-	ret = nouveau_bo_handle_ref(dev, whandle->handle, (struct nouveau_bo**)(pb+1));
+ 
+	ret = nouveau_bo_handle_ref(dev, whandle->handle, &bo);
 	if (ret) {
 		debug_printf("%s: ref name 0x%08x failed with %d\n",
 			     __func__, whandle->handle, ret);
-		FREE(pb);
 		return NULL;
 	}
 
-	pipe_reference_init(&pb->reference, 1);
-	pb->screen = pscreen;
-	pb->alignment = 0;
-	pb->usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE |
-		    PIPE_BUFFER_USAGE_CPU_READ_WRITE;
-	pb->size = nouveau_bo(pb)->size;
-	pt = nouveau_screen(pscreen)->texture_blanket(pscreen, templ,
-                                                      &whandle->stride, pb);
-	pipe_buffer_reference(&pb, NULL);
-	return pt;
+	*out_stride = whandle->stride;
+	return bo;
 }
 
-static boolean
-nouveau_screen_texture_get_handle(struct pipe_screen *pscreen,
-				  struct pipe_texture *pt,
-				  struct winsys_handle *whandle)
-{
-	struct nouveau_miptree *mt = nouveau_miptree(pt);
-
-	if (!mt || !mt->bo)
-		return false;
 
-	whandle->stride = util_format_get_stride(mt->base.format, mt->base.width0);
+boolean
+nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
+			     struct nouveau_bo *bo,
+			     unsigned stride,
+			     struct winsys_handle *whandle)
+{
+	whandle->stride = stride;
 
 	if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) { 
-		return nouveau_bo_handle_get(mt->bo, &whandle->handle) == 0;
+		return nouveau_bo_handle_get(bo, &whandle->handle) == 0;
 	} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
-		whandle->handle = mt->bo->handle;
+		whandle->handle = bo->handle;
 		return TRUE;
 	} else {
 		return FALSE;
 	}
 }
 
+
+unsigned int
+nouveau_reference_flags(struct nouveau_bo *bo)
+{
+	uint32_t bo_flags;
+	int flags = 0;
+
+	bo_flags = nouveau_bo_pending(bo);
+	if (bo_flags & NOUVEAU_BO_RD)
+		flags |= PIPE_REFERENCED_FOR_READ;
+	if (bo_flags & NOUVEAU_BO_WR)
+		flags |= PIPE_REFERENCED_FOR_WRITE;
+
+	return flags;
+}
+
+
+
+
+
 int
 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 {
@@ -316,21 +248,10 @@ nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_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;
 
-	pscreen->texture_from_handle = nouveau_screen_texture_from_handle;
-	pscreen->texture_get_handle = nouveau_screen_texture_get_handle;
-
 	return 0;
 }
 
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.h b/src/gallium/drivers/nouveau/nouveau_screen.h
index f4a7a2bc23..c0ec6e4895 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.h
+++ b/src/gallium/drivers/nouveau/nouveau_screen.h
@@ -5,21 +5,6 @@ struct nouveau_screen {
 	struct pipe_screen base;
 	struct nouveau_device *device;
 	struct nouveau_channel *channel;
-
-        /**
-         * Create a new texture object, using the given template info, but on top of
-         * existing memory.
-         * 
-         * It is assumed that the buffer data is layed out according to the expected
-         * by the hardware. NULL will be returned if any inconsistency is found.  
-         */
-        struct pipe_texture * (*texture_blanket)(struct pipe_screen *,
-                                                 const struct pipe_texture *templat,
-                                                 const unsigned *stride,
-                                                 struct pipe_buffer *buffer);
-
-	int (*pre_pipebuffer_map_callback) (struct pipe_screen *pscreen,
-		struct pipe_buffer *pb, unsigned usage);
 };
 
 static inline struct nouveau_screen *
@@ -28,24 +13,51 @@ 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;
-}
+
+
+/* Not really sure if this is needed, or whether the individual
+ * drivers are happy to talk to the bo functions themselves.  In a way
+ * this is what we'd expect from a regular winsys interface.
+ */
+struct nouveau_bo *
+nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
+		      unsigned usage, unsigned bind, unsigned size);
+struct nouveau_bo *
+nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes);
+void *
+nouveau_screen_bo_map(struct pipe_screen *pscreen,
+		      struct nouveau_bo *pb,
+		      unsigned usage);
+void *
+nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
+			    unsigned offset, unsigned length, unsigned usage);
+void
+nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
+				  unsigned offset, unsigned length);
+void
+nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo);
+void
+nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo);
+
+boolean
+nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
+			     struct nouveau_bo *bo,
+			     unsigned stride,
+			     struct winsys_handle *whandle);
+struct nouveau_bo *
+nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
+			      struct winsys_handle *whandle,
+			      unsigned *out_stride);
+
+unsigned int
+nouveau_reference_flags(struct nouveau_bo *bo);
+
+
 
 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_util.h b/src/gallium/drivers/nouveau/nouveau_util.h
index ab7761a31d..ed6e643785 100644
--- a/src/gallium/drivers/nouveau/nouveau_util.h
+++ b/src/gallium/drivers/nouveau/nouveau_util.h
@@ -98,9 +98,9 @@ struct u_split_prim {
    unsigned p_start;
    unsigned p_end;
 
-   int repeat_first:1;
-   int close_first:1;
-   int edgeflag_off:1;
+   uint repeat_first:1;
+   uint close_first:1;
+   uint edgeflag_off:1;
 };
 
 static inline void
diff --git a/src/gallium/drivers/nouveau/nouveau_winsys.h b/src/gallium/drivers/nouveau/nouveau_winsys.h
index bed014b9ce..b144bef5e6 100644
--- a/src/gallium/drivers/nouveau/nouveau_winsys.h
+++ b/src/gallium/drivers/nouveau/nouveau_winsys.h
@@ -2,7 +2,6 @@
 #define NOUVEAU_WINSYS_H
 
 #include <stdint.h>
-#include "util/u_simple_screen.h"
 #include "pipe/p_defines.h"
 
 #include "nouveau/nouveau_bo.h"
@@ -17,14 +16,25 @@
 #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)
-
-/* use along with GPU_WRITE for 2D-only writes */
-#define NOUVEAU_BUFFER_USAGE_NO_RENDER (1 << 19)
+static inline uint32_t
+nouveau_screen_transfer_flags(unsigned pipe)
+{
+	uint32_t flags = 0;
+
+	if (pipe & PIPE_TRANSFER_READ)
+		flags |= NOUVEAU_BO_RD;
+	if (pipe & PIPE_TRANSFER_WRITE)
+		flags |= NOUVEAU_BO_WR;
+	if (pipe & PIPE_TRANSFER_DISCARD)
+		flags |= NOUVEAU_BO_INVAL;
+	if (pipe & PIPE_TRANSFER_DONTBLOCK)
+		flags |= NOUVEAU_BO_NOWAIT;
+	else
+	if (pipe & PIPE_TRANSFER_UNSYNCHRONIZED)
+		flags |= NOUVEAU_BO_NOSYNC;
+
+	return flags;
+}
 
 extern struct pipe_screen *
 nvfx_screen_create(struct pipe_winsys *ws, struct nouveau_device *);