X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fnvfx%2Fnv04_surface_2d.c;fp=src%2Fgallium%2Fdrivers%2Fnvfx%2Fnv04_surface_2d.c;h=0000000000000000000000000000000000000000;hb=9ed0686e8e6157ce38c9fa284cd7399289a2e698;hp=cd0f4ce4c93de0568f93c6c2c091ade240582005;hpb=24a4ea003f14a96ed07fdc4e92a67610655befad;p=mesa.git

diff --git a/src/gallium/drivers/nvfx/nv04_surface_2d.c b/src/gallium/drivers/nvfx/nv04_surface_2d.c
deleted file mode 100644
index cd0f4ce4c93..00000000000
--- a/src/gallium/drivers/nvfx/nv04_surface_2d.c
+++ /dev/null
@@ -1,533 +0,0 @@
-#include "pipe/p_context.h"
-#include "pipe/p_format.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-
-#include "nouveau/nouveau_winsys.h"
-#include "nouveau/nouveau_util.h"
-#include "nouveau/nouveau_screen.h"
-#include "nv04_surface_2d.h"
-#include "nvfx_resource.h"
-
-static INLINE int
-nv04_surface_format(enum pipe_format format)
-{
-	switch (format) {
-	case PIPE_FORMAT_A8_UNORM:
-	case PIPE_FORMAT_L8_UNORM:
-	case PIPE_FORMAT_I8_UNORM:
-		return NV04_CONTEXT_SURFACES_2D_FORMAT_Y8;
-	case PIPE_FORMAT_R16_SNORM:
-	case PIPE_FORMAT_B5G6R5_UNORM:
-	case PIPE_FORMAT_Z16_UNORM:
-	case PIPE_FORMAT_L8A8_UNORM:
-		return NV04_CONTEXT_SURFACES_2D_FORMAT_R5G6B5;
-	case PIPE_FORMAT_B8G8R8X8_UNORM:
-	case PIPE_FORMAT_B8G8R8A8_UNORM:
-		return NV04_CONTEXT_SURFACES_2D_FORMAT_A8R8G8B8;
-	case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
-	case PIPE_FORMAT_X8Z24_UNORM:
-		return NV04_CONTEXT_SURFACES_2D_FORMAT_Y32;
-	default:
-		return -1;
-	}
-}
-
-static INLINE int
-nv04_rect_format(enum pipe_format format)
-{
-	switch (format) {
-	case PIPE_FORMAT_A8_UNORM:
-		return NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT_A8R8G8B8;
-	case PIPE_FORMAT_B5G6R5_UNORM:
-	case PIPE_FORMAT_L8A8_UNORM:
-	case PIPE_FORMAT_Z16_UNORM:
-		return NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT_A16R5G6B5;
-	case PIPE_FORMAT_B8G8R8X8_UNORM:
-	case PIPE_FORMAT_B8G8R8A8_UNORM:
-	case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
-	case PIPE_FORMAT_X8Z24_UNORM:
-		return NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT_A8R8G8B8;
-	default:
-		return -1;
-	}
-}
-
-static INLINE int
-nv04_scaled_image_format(enum pipe_format format)
-{
-	switch (format) {
-	case PIPE_FORMAT_A8_UNORM:
-	case PIPE_FORMAT_L8_UNORM:
-	case PIPE_FORMAT_I8_UNORM:
-		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_Y8;
-	case PIPE_FORMAT_B5G5R5A1_UNORM:
-		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_A1R5G5B5;
-	case PIPE_FORMAT_B8G8R8A8_UNORM:
-		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_A8R8G8B8;
-	case PIPE_FORMAT_B8G8R8X8_UNORM:
-		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_X8R8G8B8;
-	case PIPE_FORMAT_B5G6R5_UNORM:
-	case PIPE_FORMAT_R16_SNORM:
-	case PIPE_FORMAT_L8A8_UNORM:
-		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_R5G6B5;
-	default:
-		return -1;
-	}
-}
-
-static INLINE unsigned
-nv04_swizzle_bits_square(unsigned x, unsigned y)
-{
-	unsigned u = (x & 0x001) << 0 |
-	             (x & 0x002) << 1 |
-	             (x & 0x004) << 2 |
-	             (x & 0x008) << 3 |
-	             (x & 0x010) << 4 |
-	             (x & 0x020) << 5 |
-	             (x & 0x040) << 6 |
-	             (x & 0x080) << 7 |
-	             (x & 0x100) << 8 |
-	             (x & 0x200) << 9 |
-	             (x & 0x400) << 10 |
-	             (x & 0x800) << 11;
-
-	unsigned v = (y & 0x001) << 1 |
-	             (y & 0x002) << 2 |
-	             (y & 0x004) << 3 |
-	             (y & 0x008) << 4 |
-	             (y & 0x010) << 5 |
-	             (y & 0x020) << 6 |
-	             (y & 0x040) << 7 |
-	             (y & 0x080) << 8 |
-	             (y & 0x100) << 9 |
-	             (y & 0x200) << 10 |
-	             (y & 0x400) << 11 |
-	             (y & 0x800) << 12;
-	return v | u;
-}
-
-/* rectangular swizzled textures are linear concatenations of swizzled square tiles */
-static INLINE unsigned
-nv04_swizzle_bits(unsigned x, unsigned y, unsigned w, unsigned h)
-{
-	unsigned s = MIN2(w, h);
-	unsigned m = s - 1;
-	return (((x | y) & ~m) * s) | nv04_swizzle_bits_square(x & m, y & m);
-}
-
-static int
-nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx,
-			  struct pipe_surface *dst, int dx, int dy,
-			  struct pipe_surface *src, int sx, int sy,
-			  int w, int h)
-{
-	struct nouveau_channel *chan = ctx->swzsurf->channel;
-	struct nouveau_grobj *swzsurf = ctx->swzsurf;
-	struct nouveau_grobj *sifm = ctx->sifm;
-	struct nouveau_bo *src_bo = ctx->buf(src);
-	struct nouveau_bo *dst_bo = ctx->buf(dst);
-	const unsigned src_pitch = ((struct nv04_surface *)src)->pitch;
-        /* Max width & height may not be the same on all HW, but must be POT */
-	const unsigned max_w = 1024;
-	const unsigned max_h = 1024;
-	unsigned sub_w = w > max_w ? max_w : w;
-	unsigned sub_h = h > max_h ? max_h : h;
-	unsigned x;
-	unsigned y;
-
-        /* Swizzled surfaces must be POT  */
-	assert(util_is_pot(dst->width) && util_is_pot(dst->height));
-
-        /* If area is too large to copy in one shot we must copy it in POT chunks to meet alignment requirements */
-	assert(sub_w == w || util_is_pot(sub_w));
-	assert(sub_h == h || util_is_pot(sub_h));
-
-	MARK_RING (chan, 8 + ((w+sub_w)/sub_w)*((h+sub_h)/sub_h)*17, 2 +
-			 ((w+sub_w)/sub_w)*((h+sub_h)/sub_h)*2);
-
-	BEGIN_RING(chan, swzsurf, NV04_SWIZZLED_SURFACE_DMA_IMAGE, 1);
-	OUT_RELOCo(chan, dst_bo,
-	                 NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-
-	BEGIN_RING(chan, swzsurf, NV04_SWIZZLED_SURFACE_FORMAT, 1);
-	OUT_RING  (chan, nv04_surface_format(dst->format) |
-	                 log2i(dst->width) << NV04_SWIZZLED_SURFACE_FORMAT_BASE_SIZE_U_SHIFT |
-	                 log2i(dst->height) << NV04_SWIZZLED_SURFACE_FORMAT_BASE_SIZE_V_SHIFT);
-
-	BEGIN_RING(chan, sifm, NV03_SCALED_IMAGE_FROM_MEMORY_DMA_IMAGE, 1);
-	OUT_RELOCo(chan, src_bo,
-	                 NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	BEGIN_RING(chan, sifm, NV04_SCALED_IMAGE_FROM_MEMORY_SURFACE, 1);
-	OUT_RING  (chan, swzsurf->handle);
-
-	for (y = 0; y < h; y += sub_h) {
-	  sub_h = MIN2(sub_h, h - y);
-
-	  for (x = 0; x < w; x += sub_w) {
-	    sub_w = MIN2(sub_w, w - x);
-
-	    assert(!(dst->offset & 63));
-
-	    BEGIN_RING(chan, swzsurf, NV04_SWIZZLED_SURFACE_OFFSET, 1);
-	    OUT_RELOCl(chan, dst_bo, dst->offset,
-                             NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-
-	    BEGIN_RING(chan, sifm, NV05_SCALED_IMAGE_FROM_MEMORY_COLOR_CONVERSION, 9);
-	    OUT_RING  (chan, NV05_SCALED_IMAGE_FROM_MEMORY_COLOR_CONVERSION_TRUNCATE);
-	    OUT_RING  (chan, nv04_scaled_image_format(src->format));
-	    OUT_RING  (chan, NV03_SCALED_IMAGE_FROM_MEMORY_OPERATION_SRCCOPY);
-	    OUT_RING  (chan, (x + dx) | ((y + dy) << NV03_SCALED_IMAGE_FROM_MEMORY_CLIP_POINT_Y_SHIFT));
-	    OUT_RING  (chan, sub_h << NV03_SCALED_IMAGE_FROM_MEMORY_CLIP_SIZE_H_SHIFT | sub_w);
-	    OUT_RING  (chan, (x + dx) | ((y + dy) << NV03_SCALED_IMAGE_FROM_MEMORY_OUT_POINT_Y_SHIFT));
-	    OUT_RING  (chan, sub_h << NV03_SCALED_IMAGE_FROM_MEMORY_OUT_SIZE_H_SHIFT | sub_w);
-	    OUT_RING  (chan, 1 << 20);
-	    OUT_RING  (chan, 1 << 20);
-
-	    BEGIN_RING(chan, sifm, NV03_SCALED_IMAGE_FROM_MEMORY_SIZE, 4);
-	    OUT_RING  (chan, sub_h << NV03_SCALED_IMAGE_FROM_MEMORY_SIZE_H_SHIFT | sub_w);
-	    OUT_RING  (chan, src_pitch |
-			     NV03_SCALED_IMAGE_FROM_MEMORY_FORMAT_ORIGIN_CENTER |
-			     NV03_SCALED_IMAGE_FROM_MEMORY_FORMAT_FILTER_POINT_SAMPLE);
-	    OUT_RELOCl(chan, src_bo, src->offset + (sy+y) * src_pitch + (sx+x) * util_format_get_blocksize(src->texture->format),
-                             NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	    OUT_RING  (chan, 0);
-	  }
-	}
-
-	return 0;
-}
-
-static int
-nv04_surface_copy_m2mf(struct nv04_surface_2d *ctx,
-		       struct pipe_surface *dst, int dx, int dy,
-		       struct pipe_surface *src, int sx, int sy, int w, int h)
-{
-	struct nouveau_channel *chan = ctx->m2mf->channel;
-	struct nouveau_grobj *m2mf = ctx->m2mf;
-	struct nouveau_bo *src_bo = ctx->buf(src);
-	struct nouveau_bo *dst_bo = ctx->buf(dst);
-	unsigned src_pitch = ((struct nv04_surface *)src)->pitch;
-	unsigned dst_pitch = ((struct nv04_surface *)dst)->pitch;
-	unsigned dst_offset = dst->offset + dy * dst_pitch +
-	                      dx * util_format_get_blocksize(dst->texture->format);
-	unsigned src_offset = src->offset + sy * src_pitch +
-	                      sx * util_format_get_blocksize(src->texture->format);
-
-	MARK_RING (chan, 3 + ((h / 2047) + 1) * 9, 2 + ((h / 2047) + 1) * 2);
-	BEGIN_RING(chan, m2mf, NV04_MEMORY_TO_MEMORY_FORMAT_DMA_BUFFER_IN, 2);
-	OUT_RELOCo(chan, src_bo,
-		   NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	OUT_RELOCo(chan, dst_bo,
-		   NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-
-	while (h) {
-		int count = (h > 2047) ? 2047 : h;
-
-		BEGIN_RING(chan, m2mf, NV04_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
-		OUT_RELOCl(chan, src_bo, src_offset,
-			   NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
-		OUT_RELOCl(chan, dst_bo, dst_offset,
-			   NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_WR);
-		OUT_RING  (chan, src_pitch);
-		OUT_RING  (chan, dst_pitch);
-		OUT_RING  (chan, w * util_format_get_blocksize(src->texture->format));
-		OUT_RING  (chan, count);
-		OUT_RING  (chan, 0x0101);
-		OUT_RING  (chan, 0);
-
-		h -= count;
-		src_offset += src_pitch * count;
-		dst_offset += dst_pitch * count;
-	}
-
-	return 0;
-}
-
-static int
-nv04_surface_copy_blit(struct nv04_surface_2d *ctx, struct pipe_surface *dst,
-		       int dx, int dy, struct pipe_surface *src, int sx, int sy,
-		       int w, int h)
-{
-	struct nouveau_channel *chan = ctx->surf2d->channel;
-	struct nouveau_grobj *surf2d = ctx->surf2d;
-	struct nouveau_grobj *blit = ctx->blit;
-	struct nouveau_bo *src_bo = ctx->buf(src);
-	struct nouveau_bo *dst_bo = ctx->buf(dst);
-	unsigned src_pitch = ((struct nv04_surface *)src)->pitch;
-	unsigned dst_pitch = ((struct nv04_surface *)dst)->pitch;
-	int format;
-
-	format = nv04_surface_format(dst->format);
-	if (format < 0)
-		return 1;
-
-	MARK_RING (chan, 12, 4);
-	BEGIN_RING(chan, surf2d, NV04_CONTEXT_SURFACES_2D_DMA_IMAGE_SOURCE, 2);
-	OUT_RELOCo(chan, src_bo, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	OUT_RELOCo(chan, dst_bo, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	BEGIN_RING(chan, surf2d, NV04_CONTEXT_SURFACES_2D_FORMAT, 4);
-	OUT_RING  (chan, format);
-	OUT_RING  (chan, (dst_pitch << 16) | src_pitch);
-	OUT_RELOCl(chan, src_bo, src->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
-	OUT_RELOCl(chan, dst_bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-
-	BEGIN_RING(chan, blit, 0x0300, 3);
-	OUT_RING  (chan, (sy << 16) | sx);
-	OUT_RING  (chan, (dy << 16) | dx);
-	OUT_RING  (chan, ( h << 16) |  w);
-
-	return 0;
-}
-
-static void
-nv04_surface_copy(struct nv04_surface_2d *ctx, struct pipe_surface *dst,
-		  int dx, int dy, struct pipe_surface *src, int sx, int sy,
-		  int w, int h)
-{
-	int src_linear = src->texture->flags & NVFX_RESOURCE_FLAG_LINEAR;
-	int dst_linear = dst->texture->flags & NVFX_RESOURCE_FLAG_LINEAR;
-
-	assert(src->format == dst->format);
-
-	/* Setup transfer to swizzle the texture to vram if needed */
-        if (src_linear && !dst_linear && w > 1 && h > 1) {
-           nv04_surface_copy_swizzle(ctx, dst, dx, dy, src, sx, sy, w, h);
-           return;
-        }
-
-        /* Use M2MF instead of the blitter since it always works
-         * Any possible performance drop is likely to be not very significant
-         * and dwarfed anyway by the current buffer management problems
-         */
-        nv04_surface_copy_m2mf(ctx, dst, dx, dy, src, sx, sy, w, h);
-}
-
-static void
-nv04_surface_fill(struct nv04_surface_2d *ctx, struct pipe_surface *dst,
-		  int dx, int dy, int w, int h, unsigned value)
-{
-	struct nouveau_channel *chan = ctx->surf2d->channel;
-	struct nouveau_grobj *surf2d = ctx->surf2d;
-	struct nouveau_grobj *rect = ctx->rect;
-	struct nouveau_bo *dst_bo = ctx->buf(dst);
-	unsigned dst_pitch = ((struct nv04_surface *)dst)->pitch;
-	int cs2d_format, gdirect_format;
-
-	cs2d_format = nv04_surface_format(dst->format);
-	assert(cs2d_format >= 0);
-
-	gdirect_format = nv04_rect_format(dst->format);
-	assert(gdirect_format >= 0);
-
-	MARK_RING (chan, 16, 4);
-	BEGIN_RING(chan, surf2d, NV04_CONTEXT_SURFACES_2D_DMA_IMAGE_SOURCE, 2);
-	OUT_RELOCo(chan, dst_bo, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	OUT_RELOCo(chan, 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_pitch << 16) | dst_pitch);
-	OUT_RELOCl(chan, dst_bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	OUT_RELOCl(chan, dst_bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-
-	BEGIN_RING(chan, rect, NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT, 1);
-	OUT_RING  (chan, gdirect_format);
-	BEGIN_RING(chan, rect, NV04_GDI_RECTANGLE_TEXT_COLOR1_A, 1);
-	OUT_RING  (chan, value);
-	BEGIN_RING(chan, rect,
-		   NV04_GDI_RECTANGLE_TEXT_UNCLIPPED_RECTANGLE_POINT(0), 2);
-	OUT_RING  (chan, (dx << 16) | dy);
-	OUT_RING  (chan, ( w << 16) |  h);
-}
-
-void
-nv04_surface_2d_takedown(struct nv04_surface_2d **pctx)
-{
-	struct nv04_surface_2d *ctx;
-
-	if (!pctx || !*pctx)
-		return;
-	ctx = *pctx;
-	*pctx = NULL;
-
-	nouveau_notifier_free(&ctx->ntfy);
-	nouveau_grobj_free(&ctx->m2mf);
-	nouveau_grobj_free(&ctx->surf2d);
-	nouveau_grobj_free(&ctx->swzsurf);
-	nouveau_grobj_free(&ctx->rect);
-	nouveau_grobj_free(&ctx->blit);
-	nouveau_grobj_free(&ctx->sifm);
-
-	FREE(ctx);
-}
-
-struct nv04_surface_2d *
-nv04_surface_2d_init(struct nouveau_screen *screen)
-{
-	struct nv04_surface_2d *ctx = CALLOC_STRUCT(nv04_surface_2d);
-	struct nouveau_channel *chan = screen->channel;
-	unsigned handle = 0x88000000, class;
-	int ret;
-
-	if (!ctx)
-		return NULL;
-
-	ret = nouveau_notifier_alloc(chan, handle++, 1, &ctx->ntfy);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	ret = nouveau_grobj_alloc(chan, handle++, 0x0039, &ctx->m2mf);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	BEGIN_RING(chan, ctx->m2mf, NV04_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 1);
-	OUT_RING  (chan, ctx->ntfy->handle);
-
-	if (chan->device->chipset < 0x10)
-		class = NV04_CONTEXT_SURFACES_2D;
-	else
-		class = NV10_CONTEXT_SURFACES_2D;
-
-	ret = nouveau_grobj_alloc(chan, handle++, class, &ctx->surf2d);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	BEGIN_RING(chan, ctx->surf2d,
-			 NV04_CONTEXT_SURFACES_2D_DMA_IMAGE_SOURCE, 2);
-	OUT_RING  (chan, chan->vram->handle);
-	OUT_RING  (chan, chan->vram->handle);
-
-	if (chan->device->chipset < 0x10)
-		class = NV04_IMAGE_BLIT;
-	else
-		class = NV12_IMAGE_BLIT;
-
-	ret = nouveau_grobj_alloc(chan, handle++, class, &ctx->blit);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	BEGIN_RING(chan, ctx->blit, NV01_IMAGE_BLIT_DMA_NOTIFY, 1);
-	OUT_RING  (chan, ctx->ntfy->handle);
-	BEGIN_RING(chan, ctx->blit, NV04_IMAGE_BLIT_SURFACE, 1);
-	OUT_RING  (chan, ctx->surf2d->handle);
-	BEGIN_RING(chan, ctx->blit, NV01_IMAGE_BLIT_OPERATION, 1);
-	OUT_RING  (chan, NV01_IMAGE_BLIT_OPERATION_SRCCOPY);
-
-	ret = nouveau_grobj_alloc(chan, handle++, NV04_GDI_RECTANGLE_TEXT,
-				  &ctx->rect);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	BEGIN_RING(chan, ctx->rect, NV04_GDI_RECTANGLE_TEXT_DMA_NOTIFY, 1);
-	OUT_RING  (chan, ctx->ntfy->handle);
-	BEGIN_RING(chan, ctx->rect, NV04_GDI_RECTANGLE_TEXT_SURFACE, 1);
-	OUT_RING  (chan, ctx->surf2d->handle);
-	BEGIN_RING(chan, ctx->rect, NV04_GDI_RECTANGLE_TEXT_OPERATION, 1);
-	OUT_RING  (chan, NV04_GDI_RECTANGLE_TEXT_OPERATION_SRCCOPY);
-	BEGIN_RING(chan, ctx->rect,
-			 NV04_GDI_RECTANGLE_TEXT_MONOCHROME_FORMAT, 1);
-	OUT_RING  (chan, NV04_GDI_RECTANGLE_TEXT_MONOCHROME_FORMAT_LE);
-
-	switch (chan->device->chipset & 0xf0) {
-	case 0x00:
-	case 0x10:
-		class = NV04_SWIZZLED_SURFACE;
-		break;
-	case 0x20:
-		class = NV20_SWIZZLED_SURFACE;
-		break;
-	case 0x30:
-		class = NV30_SWIZZLED_SURFACE;
-		break;
-	case 0x40:
-	case 0x60:
-		class = NV40_SWIZZLED_SURFACE;
-		break;
-	default:
-		/* Famous last words: this really can't happen.. */
-		assert(0);
-		break;
-	}
-
-	ret = nouveau_grobj_alloc(chan, handle++, class, &ctx->swzsurf);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	switch (chan->device->chipset & 0xf0) {
-	case 0x10:
-	case 0x20:
-		class = NV10_SCALED_IMAGE_FROM_MEMORY;
-		break;
-	case 0x30:
-		class = NV30_SCALED_IMAGE_FROM_MEMORY;
-		break;
-	case 0x40:
-	case 0x60:
-		class = NV40_SCALED_IMAGE_FROM_MEMORY;
-		break;
-	default:
-		class = NV04_SCALED_IMAGE_FROM_MEMORY;
-		break;
-	}
-
-	ret = nouveau_grobj_alloc(chan, handle++, class, &ctx->sifm);
-	if (ret) {
-		nv04_surface_2d_takedown(&ctx);
-		return NULL;
-	}
-
-	ctx->copy = nv04_surface_copy;
-	ctx->fill = nv04_surface_fill;
-	return ctx;
-}
-
-struct nv04_surface*
-nv04_surface_wrap_for_render(struct pipe_screen *pscreen,
-			     struct nv04_surface_2d* eng2d, struct nv04_surface* ns)
-{
-	struct pipe_resource templ;
-	struct pipe_resource* temp_tex;
-	struct nv04_surface* temp_ns;
-	int temp_flags;
-
-	temp_flags = ns->base.usage;
-
-	ns->base.usage = 0;
-
-	memset(&templ, 0, sizeof(templ));
-	templ.format = ns->base.texture->format;
-	templ.target = PIPE_TEXTURE_2D;
-	templ.width0 = ns->base.width;
-	templ.height0 = ns->base.height;
-	templ.depth0 = 1;
-	templ.last_level = 0;
-
-	// TODO: this is probably wrong and we should specifically handle multisampling somehow once it is implemented
-	templ.nr_samples = ns->base.texture->nr_samples;
-
-	templ.bind = ns->base.texture->bind | PIPE_BIND_RENDER_TARGET;
-
-	temp_tex = pscreen->resource_create(pscreen, &templ);
-	temp_ns = (struct nv04_surface*)pscreen->get_tex_surface(pscreen, temp_tex, 0, 0, 0, temp_flags);
-	temp_ns->backing = ns;
-
-	if(1) /* hmm */
-		eng2d->copy(eng2d, &temp_ns->backing->base,
-			    0, 0, &ns->base,
-			    0, 0, ns->base.width, ns->base.height);
-
-	return temp_ns;
-}