5 files changed, 83 insertions, 8 deletions

diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c
index 8e4cc809027..ef7e9c5428e 100644
--- a/src/gallium/drivers/nv20/nv20_miptree.c
+++ b/src/gallium/drivers/nv20/nv20_miptree.c
@@ -51,10 +51,37 @@ nv20_miptree_layout(struct nv20_miptree *nv20mt)
 }
 
 static struct pipe_texture *
+nv20_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
+		     const unsigned *stride, struct pipe_buffer *pb)
+{
+	struct nv20_miptree *mt;
+
+	/* Only supports 2D, non-mipmapped textures for the moment */
+	if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
+	    pt->depth[0] != 1)
+		return NULL;
+
+	mt = CALLOC_STRUCT(nv20_miptree);
+	if (!mt)
+		return NULL;
+
+	mt->base = *pt;
+	mt->base.refcount = 1;
+	mt->base.screen = pscreen;
+	mt->level[0].pitch = stride[0];
+	mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
+
+	pipe_buffer_reference(pscreen, &mt->buffer, pb);
+	return &mt->base;
+}
+
+static struct pipe_texture *
 nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
 {
 	struct pipe_winsys *ws = screen->winsys;
 	struct nv20_miptree *mt;
+	unsigned buf_usage = PIPE_BUFFER_USAGE_PIXEL |
+	                     NOUVEAU_BUFFER_USAGE_TEXTURE;
 
 	mt = MALLOC(sizeof(struct nv20_miptree));
 	if (!mt)
@@ -63,10 +90,35 @@ nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
 	mt->base.refcount = 1;
 	mt->base.screen = screen;
 
+	/* Swizzled textures must be POT */
+	if (pt->width[0] & (pt->width[0] - 1) ||
+	    pt->height[0] & (pt->height[0] - 1))
+		mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+	else
+	if (pt->tex_usage & (PIPE_TEXTURE_USAGE_PRIMARY |
+	                     PIPE_TEXTURE_USAGE_DISPLAY_TARGET))
+		mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+	else
+	if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+		mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+	else {
+		switch (pt->format) {
+		/* TODO: Figure out which formats can be swizzled */
+		case PIPE_FORMAT_A8R8G8B8_UNORM:
+		case PIPE_FORMAT_X8R8G8B8_UNORM:
+		case PIPE_FORMAT_R16_SNORM:
+			break;
+		default:
+			mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+		}
+	}
+
+	if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+		buf_usage |= PIPE_BUFFER_USAGE_CPU_READ_WRITE;
+
 	nv20_miptree_layout(mt);
 
-	mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
-					   mt->total_size);
+	mt->buffer = ws->buffer_create(ws, 256, buf_usage, mt->total_size);
 	if (!mt->buffer) {
 		FREE(mt);
 		return NULL;
@@ -146,6 +198,7 @@ nv20_miptree_surface_release(struct pipe_screen *pscreen,
 void nv20_screen_init_miptree_functions(struct pipe_screen *pscreen)
 {
 	pscreen->texture_create = nv20_miptree_create;
+	pscreen->texture_blanket = nv20_miptree_blanket;
 	pscreen->texture_release = nv20_miptree_release;
 	pscreen->get_tex_surface = nv20_miptree_surface_get;
 	pscreen->tex_surface_release = nv20_miptree_surface_release;
diff --git a/src/gallium/drivers/nv20/nv20_screen.c b/src/gallium/drivers/nv20/nv20_screen.c
index c9171fa1781..5f2b7b4f71f 100644
--- a/src/gallium/drivers/nv20/nv20_screen.c
+++ b/src/gallium/drivers/nv20/nv20_screen.c
@@ -152,6 +152,14 @@ nv20_screen_destroy(struct pipe_screen *pscreen)
 	FREE(pscreen);
 }
 
+static struct pipe_buffer *
+nv20_surface_buffer(struct pipe_surface *surf)
+{
+	struct nv20_miptree *mt = (struct nv20_miptree *)surf->texture;
+
+	return mt->buffer;
+}
+
 struct pipe_screen *
 nv20_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 {
@@ -164,6 +172,10 @@ nv20_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 		return NULL;
 	screen->nvws = nvws;
 
+	/* 2D engine setup */
+	screen->eng2d = nv04_surface_2d_init(nvws);
+	screen->eng2d->buf = nv20_surface_buffer;
+
 	/* 3D object */
 	if (chipset >= 0x25)
 		kelvin_class = NV25TCL;
diff --git a/src/gallium/drivers/nv20/nv20_screen.h b/src/gallium/drivers/nv20/nv20_screen.h
index 8f2f2e341db..bf2f2c0d9fb 100644
--- a/src/gallium/drivers/nv20/nv20_screen.h
+++ b/src/gallium/drivers/nv20/nv20_screen.h
@@ -2,6 +2,7 @@
 #define __NV20_SCREEN_H__
 
 #include "pipe/p_screen.h"
+#include "nv04/nv04_surface_2d.h"
 
 struct nv20_screen {
 	struct pipe_screen pipe;
@@ -9,6 +10,7 @@ struct nv20_screen {
 	struct nouveau_winsys *nvws;
 
 	/* HW graphics objects */
+	struct nv04_surface_2d *eng2d;
 	struct nouveau_grobj *kelvin;
 	struct nouveau_notifier *sync;
 };
diff --git a/src/gallium/drivers/nv20/nv20_surface.c b/src/gallium/drivers/nv20/nv20_surface.c
index 9b4c028eae6..6cd607583cf 100644
--- a/src/gallium/drivers/nv20/nv20_surface.c
+++ b/src/gallium/drivers/nv20/nv20_surface.c
@@ -39,10 +39,18 @@ nv20_surface_copy(struct pipe_context *pipe, boolean do_flip,
 		  unsigned width, unsigned height)
 {
 	struct nv20_context *nv20 = nv20_context(pipe);
-	struct nouveau_winsys *nvws = nv20->nvws;
+	struct nv04_surface_2d *eng2d = nv20->screen->eng2d;
 
-	nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy,
-			   width, height);
+	if (do_flip) {
+		desty += height;
+		while (height--) {
+			eng2d->copy(eng2d, dest, destx, desty--, src,
+				    srcx, srcy++, width, 1);
+		}
+		return;
+	}
+
+	eng2d->copy(eng2d, dest, destx, desty, src, srcx, srcy, width, height);
 }
 
 static void
@@ -51,9 +59,9 @@ nv20_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
 		  unsigned height, unsigned value)
 {
 	struct nv20_context *nv20 = nv20_context(pipe);
-	struct nouveau_winsys *nvws = nv20->nvws;
+	struct nv04_surface_2d *eng2d = nv20->screen->eng2d;
 
-	nvws->surface_fill(nvws, dest, destx, desty, width, height, value);
+	eng2d->fill(eng2d, dest, destx, desty, width, height, value);
 }
 
 void
diff --git a/src/gallium/drivers/nv20/nv20_vertprog.c b/src/gallium/drivers/nv20/nv20_vertprog.c
index a885fcd7a56..5db0e807ff5 100644
--- a/src/gallium/drivers/nv20/nv20_vertprog.c
+++ b/src/gallium/drivers/nv20/nv20_vertprog.c
@@ -613,7 +613,7 @@ nv20_vertprog_translate(struct nv20_context *nv20,
 
 			imm = &parse.FullToken.FullImmediate;
 			assert(imm->Immediate.DataType == TGSI_IMM_FLOAT32);
-//			assert(imm->Immediate.Size == 4);
+			assert(imm->Immediate.NrTokens == 4 + 1);
 			vpc->imm[vpc->nr_imm++] =
 				constant(vpc, -1,
 					 imm->u.ImmediateFloat32[0].Float,