nouveau: get things building/running again after pipe_surface.buffer removal

Don't look at nouveau_winsys_pipe.h... I promise it's temporary!

7 files changed, 98 insertions, 54 deletions

diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_context.c b/src/gallium/winsys/drm/nouveau/common/nouveau_context.c
index de4a90e25f..70f005b888 100644
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_context.c
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_context.c
@@ -113,35 +113,6 @@ nouveau_context_init(struct nouveau_screen *nv_screen,
 		nvdev->lock = sarea_lock;
 	}
 
-	/*XXX: Hack up a fake region and buffer object for front buffer.
-	 *     This will go away with TTM, replaced with a simple reference
-	 *     of the front buffer handle passed to us by the DDX.
-	 */
-	{
-		struct pipe_surface *fb_surf;
-		struct nouveau_pipe_buffer *fb_buf;
-
-		fb_buf = calloc(1, sizeof(struct nouveau_pipe_buffer));
-
-		nouveau_bo_fake(dev, nv_screen->front_offset, NOUVEAU_BO_VRAM,
-				nv_screen->front_pitch*nv_screen->front_height,
-				NULL, &fb_buf->bo);
-
-		fb_surf = calloc(1, sizeof(struct pipe_surface));
-		if (nv_screen->front_cpp == 2)
-			fb_surf->format = PIPE_FORMAT_R5G6B5_UNORM;
-		else
-			fb_surf->format = PIPE_FORMAT_A8R8G8B8_UNORM;
-		pf_get_block(fb_surf->format, &fb_surf->block);
-		fb_surf->width = nv_screen->front_pitch / nv_screen->front_cpp;
-		fb_surf->height = nv_screen->front_height;
-		fb_surf->stride = fb_surf->width * fb_surf->block.size;
-		fb_surf->refcount = 1;
-		fb_surf->buffer = &fb_buf->base;
-
-		nv->frontbuffer = fb_surf;
-	}
-
 	/* Attempt to share a single channel between multiple contexts from
 	 * a single process.
 	 */
@@ -229,8 +200,37 @@ nouveau_context_init(struct nouveau_screen *nv_screen,
 		}
 	}
 
-	pipe->priv = nv;
+	{
+		struct pipe_texture *fb_tex;
+		struct pipe_surface *fb_surf;
+		struct nouveau_pipe_buffer *fb_buf;
+		enum pipe_format format;
+
+		fb_buf = calloc(1, sizeof(struct nouveau_pipe_buffer));
+		fb_buf->base.refcount = 1;
+		fb_buf->base.usage = PIPE_BUFFER_USAGE_PIXEL;
+
+		nouveau_bo_fake(dev, nv_screen->front_offset, NOUVEAU_BO_VRAM,
+				nv_screen->front_pitch*nv_screen->front_height,
+				NULL, &fb_buf->bo);
+
+		if (nv_screen->front_cpp == 4)
+			format = PIPE_FORMAT_A8R8G8B8_UNORM;
+		else
+			format = PIPE_FORMAT_R5G6B5_UNORM;
+
+		fb_surf = nouveau_surface_buffer_ref(nv, &fb_buf->base, format,
+						     nv_screen->front_pitch /
+						     nv_screen->front_cpp,
+						     nv_screen->front_height,
+						     nv_screen->front_pitch,
+						     &fb_tex);
 
+		nv->frontbuffer = fb_surf;
+		nv->frontbuffer_texture = fb_tex;
+	}
+
+	pipe->priv = nv;
 	return 0;
 }
 
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_context.h b/src/gallium/winsys/drm/nouveau/common/nouveau_context.h
index d7199db3de..6f6bdafe6b 100644
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_context.h
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_context.h
@@ -43,6 +43,7 @@ struct nouveau_context {
 	int locked;
 	struct nouveau_screen *nv_screen;
 	struct pipe_surface *frontbuffer;
+	struct pipe_texture *frontbuffer_texture;
 
 	struct {
 		int hw_vertex_buffer;
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
index 3b2b86cd40..527c09cf6b 100644
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
@@ -65,8 +65,9 @@ nouveau_pipe_push_reloc(struct nouveau_winsys *nvws, void *ptr,
 			struct pipe_buffer *buf, uint32_t data,
 			uint32_t flags, uint32_t vor, uint32_t tor)
 {
-	return nouveau_pushbuf_emit_reloc(nvws->channel, ptr,
-					  nouveau_buffer(buf)->bo,
+	struct nouveau_bo *bo = ((struct nouveau_pipe_buffer *)buf)->bo;
+
+	return nouveau_pushbuf_emit_reloc(nvws->channel, ptr, bo,
 					  data, flags, vor, tor);
 }
 
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c
index 6f79e0800a..c17d8a05e6 100644
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c
@@ -103,7 +103,7 @@ nouveau_pipe_bo_user_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
 static void
 nouveau_pipe_bo_del(struct pipe_winsys *ws, struct pipe_buffer *buf)
 {
-	struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf);
+	struct nouveau_pipe_buffer *nvbuf = (void *)buf;
 
 	nouveau_bo_ref(NULL, &nvbuf->bo);
 	FREE(nvbuf);
@@ -113,7 +113,7 @@ static void *
 nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
 		    unsigned flags)
 {
-	struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf);
+	struct nouveau_pipe_buffer *nvbuf = (void *)buf;
 	uint32_t map_flags = 0;
 
 	if (flags & PIPE_BUFFER_USAGE_CPU_READ)
@@ -146,7 +146,7 @@ nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
 static void
 nouveau_pipe_bo_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
 {
-	struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf);
+	struct nouveau_pipe_buffer *nvbuf = (void *)buf;
 
 	nouveau_bo_unmap(nvbuf->bo);
 }
@@ -173,6 +173,38 @@ nouveau_pipe_fence_finish(struct pipe_winsys *ws,
 	return 0;
 }
 
+struct pipe_surface *
+nouveau_surface_buffer_ref(struct nouveau_context *nv, struct pipe_buffer *pb,
+			   enum pipe_format format, int w, int h,
+			   unsigned pitch, struct pipe_texture **ppt)
+{
+	struct pipe_screen *pscreen = nv->nvc->pscreen;
+	struct pipe_texture tmpl, *pt;
+	struct pipe_surface *ps;
+
+	memset(&tmpl, 0, sizeof(tmpl));
+	tmpl.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+			 NOUVEAU_TEXTURE_USAGE_LINEAR;
+	tmpl.target = PIPE_TEXTURE_2D;
+	tmpl.width[0] = w;
+	tmpl.height[0] = h;
+	tmpl.depth[0] = 1;
+	tmpl.format = format;
+	pf_get_block(tmpl.format, &tmpl.block);
+	tmpl.nblocksx[0] = pf_get_nblocksx(&tmpl.block, w);
+	tmpl.nblocksy[0] = pf_get_nblocksy(&tmpl.block, h);
+
+	pt = pscreen->texture_blanket(pscreen, &tmpl, &pitch, pb);
+	if (!pt)
+		return NULL;
+
+	ps = pscreen->get_tex_surface(pscreen, pt, 0, 0, 0,
+				      PIPE_BUFFER_USAGE_GPU_WRITE);
+
+	*ppt = pt;
+	return ps;
+}
+
 static void
 nouveau_destroy(struct pipe_winsys *pws)
 {
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h
index d97ffdf337..b041a77e38 100644
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h
@@ -10,10 +10,15 @@ struct nouveau_pipe_buffer {
 	struct nouveau_bo *bo;
 };
 
+/* This is so horrible I should be shot - I promise I'll fix it properly
+ * tomorrow.  Just to make the winsys build again however... The TG guys
+ * don't like to make life easy :)
+ */
 static inline struct nouveau_pipe_buffer *
-nouveau_buffer(struct pipe_buffer *buf)
+nouveau_buffer(struct pipe_surface *ps)
 {
-	return (struct nouveau_pipe_buffer *)buf;
+	return *(struct nouveau_pipe_buffer **)
+		((void *)ps->texture + sizeof(struct pipe_texture));
 }
 
 struct nouveau_pipe_winsys {
@@ -36,4 +41,9 @@ extern void
 nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
 			  void *context_private);
 
+struct pipe_surface *
+nouveau_surface_buffer_ref(struct nouveau_context *nv, struct pipe_buffer *pb,
+			   enum pipe_format format, int w, int h,
+			   unsigned pitch, struct pipe_texture **ppt);
+
 #endif
diff --git a/src/gallium/winsys/drm/nouveau/common/nv04_surface.c b/src/gallium/winsys/drm/nouveau/common/nv04_surface.c
index b83f3475df..214c843782 100644
--- a/src/gallium/winsys/drm/nouveau/common/nv04_surface.c
+++ b/src/gallium/winsys/drm/nouveau/common/nv04_surface.c
@@ -132,7 +132,7 @@ nv04_surface_copy_swizzle(struct nouveau_context *nv, unsigned dx, unsigned dy,
 	assert(!(w & (w - 1)) && !(h & (h - 1)));
 
 	BEGIN_RING(chan, nv->nvc->NvSwzSurf, NV04_SWIZZLED_SURFACE_DMA_IMAGE, 1);
-	OUT_RELOCo(chan, nouveau_buffer(dst->buffer)->bo,
+	OUT_RELOCo(chan, nouveau_buffer(dst)->bo,
 	                 NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 	BEGIN_RING(chan, nv->nvc->NvSwzSurf, NV04_SWIZZLED_SURFACE_FORMAT, 1);
 	OUT_RING  (chan, nv04_surface_format(dst->format) |
@@ -140,7 +140,7 @@ nv04_surface_copy_swizzle(struct nouveau_context *nv, unsigned dx, unsigned dy,
 	                 log2i(h) << NV04_SWIZZLED_SURFACE_FORMAT_BASE_SIZE_V_SHIFT);
 
 	BEGIN_RING(chan, nv->nvc->NvSIFM, NV04_SCALED_IMAGE_FROM_MEMORY_DMA_IMAGE, 1);
-	OUT_RELOCo(chan, nouveau_buffer(src->buffer)->bo,
+	OUT_RELOCo(chan, nouveau_buffer(src)->bo,
 	                 NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
 	BEGIN_RING(chan, nv->nvc->NvSIFM, NV04_SCALED_IMAGE_FROM_MEMORY_SURFACE, 1);
 	OUT_RING  (chan, nv->nvc->NvSwzSurf->handle);
@@ -148,7 +148,7 @@ nv04_surface_copy_swizzle(struct nouveau_context *nv, unsigned dx, unsigned dy,
 	for (cy = 0; cy < h; cy += sub_h) {
 		for (cx = 0; cx < w; cx += sub_w) {
 			BEGIN_RING(chan, nv->nvc->NvSwzSurf, NV04_SWIZZLED_SURFACE_OFFSET, 1);
-			OUT_RELOCl(chan, nouveau_buffer(dst->buffer)->bo,
+			OUT_RELOCl(chan, nouveau_buffer(dst)->bo,
 			                 dst->offset + nv04_swizzle_bits(cx, cy) * dst->block.size,
 			                 NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 
@@ -168,7 +168,7 @@ nv04_surface_copy_swizzle(struct nouveau_context *nv, unsigned dx, unsigned dy,
 			OUT_RING  (chan, src->stride |
 			                 NV04_SCALED_IMAGE_FROM_MEMORY_FORMAT_ORIGIN_CENTER |
 			                 NV04_SCALED_IMAGE_FROM_MEMORY_FORMAT_FILTER_POINT_SAMPLE);
-			OUT_RELOCl(chan, nouveau_buffer(src->buffer)->bo,
+			OUT_RELOCl(chan, nouveau_buffer(src)->bo,
 			                 src->offset + cy * src->stride + cx * src->block.size,
 			                 NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
 			OUT_RING  (chan, 0);
@@ -193,9 +193,9 @@ nv04_surface_copy_m2mf(struct nouveau_context *nv, unsigned dx, unsigned dy,
 
 		BEGIN_RING(chan, nv->nvc->NvM2MF,
 			   NV04_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
-		OUT_RELOCl(chan, nouveau_buffer(src->buffer)->bo, src_offset,
+		OUT_RELOCl(chan, nouveau_buffer(src)->bo, src_offset,
 			   NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
-		OUT_RELOCl(chan, nouveau_buffer(dst->buffer)->bo, dst_offset,
+		OUT_RELOCl(chan, nouveau_buffer(dst)->bo, dst_offset,
 			   NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_WR);
 		OUT_RING  (chan, src->stride);
 		OUT_RING  (chan, dst->stride);
@@ -253,9 +253,9 @@ nv04_surface_copy_prep(struct nouveau_context *nv, struct pipe_surface *dst,
 	if ((src->offset & 63) || (dst->offset & 63)) {
 		BEGIN_RING(nv->nvc->channel, nv->nvc->NvM2MF,
 			   NV04_MEMORY_TO_MEMORY_FORMAT_DMA_BUFFER_IN, 2);
-		OUT_RELOCo(chan, nouveau_buffer(src->buffer)->bo,
+		OUT_RELOCo(chan, nouveau_buffer(src)->bo,
 			   NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-		OUT_RELOCo(chan, nouveau_buffer(dst->buffer)->bo,
+		OUT_RELOCo(chan, nouveau_buffer(dst)->bo,
 			   NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 
 		nv->surface_copy = nv04_surface_copy_m2mf;
@@ -273,18 +273,18 @@ nv04_surface_copy_prep(struct nouveau_context *nv, struct pipe_surface *dst,
 
 	BEGIN_RING(chan, nv->nvc->NvCtxSurf2D,
 		   NV04_CONTEXT_SURFACES_2D_DMA_IMAGE_SOURCE, 2);
-	OUT_RELOCo(chan, nouveau_buffer(src->buffer)->bo,
+	OUT_RELOCo(chan, nouveau_buffer(src)->bo,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	OUT_RELOCo(chan, nouveau_buffer(dst->buffer)->bo,
+	OUT_RELOCo(chan, nouveau_buffer(dst)->bo,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 
 	BEGIN_RING(chan, nv->nvc->NvCtxSurf2D,
 		   NV04_CONTEXT_SURFACES_2D_FORMAT, 4);
 	OUT_RING  (chan, format);
 	OUT_RING  (chan, (dst->stride << 16) | src->stride);
-	OUT_RELOCl(chan, nouveau_buffer(src->buffer)->bo, src->offset,
+	OUT_RELOCl(chan, nouveau_buffer(src)->bo, src->offset,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	OUT_RELOCl(chan, nouveau_buffer(dst->buffer)->bo, dst->offset,
+	OUT_RELOCl(chan, nouveau_buffer(dst)->bo, dst->offset,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 
 	return 0;
@@ -317,16 +317,16 @@ nv04_surface_fill(struct nouveau_context *nv, struct pipe_surface *dst,
 	}
 
 	BEGIN_RING(chan, surf2d, NV04_CONTEXT_SURFACES_2D_DMA_IMAGE_SOURCE, 2);
-	OUT_RELOCo(chan, nouveau_buffer(dst->buffer)->bo,
+	OUT_RELOCo(chan, nouveau_buffer(dst)->bo,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	OUT_RELOCo(chan, nouveau_buffer(dst->buffer)->bo,
+	OUT_RELOCo(chan, nouveau_buffer(dst)->bo,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 	BEGIN_RING(chan, surf2d, NV04_CONTEXT_SURFACES_2D_FORMAT, 4);
 	OUT_RING  (chan, cs2d_format);
 	OUT_RING  (chan, (dst->stride << 16) | dst->stride);
-	OUT_RELOCl(chan, nouveau_buffer(dst->buffer)->bo, dst->offset,
+	OUT_RELOCl(chan, nouveau_buffer(dst)->bo, dst->offset,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	OUT_RELOCl(chan, nouveau_buffer(dst->buffer)->bo, dst->offset,
+	OUT_RELOCl(chan, nouveau_buffer(dst)->bo, dst->offset,
 		   NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 
 	BEGIN_RING(chan, rect, NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT, 1);
diff --git a/src/gallium/winsys/drm/nouveau/common/nv50_surface.c b/src/gallium/winsys/drm/nouveau/common/nv50_surface.c
index d16f3a97d5..540240cd23 100644
--- a/src/gallium/winsys/drm/nouveau/common/nv50_surface.c
+++ b/src/gallium/winsys/drm/nouveau/common/nv50_surface.c
@@ -26,7 +26,7 @@ nv50_surface_set(struct nouveau_context *nv, struct pipe_surface *surf, int dst)
 {
 	struct nouveau_channel *chan = nv->nvc->channel;
 	struct nouveau_grobj *eng2d = nv->nvc->Nv2D;
- 	struct nouveau_bo *bo = nouveau_buffer(surf->buffer)->bo;
+ 	struct nouveau_bo *bo = nouveau_buffer(surf)->bo;
  	int surf_format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
  	int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);