src/gallium/drivers/nv30/nv30_screen.c - fp2-dev/platform/external/mesa3d - Gitiles

 #include "pipe/p_screen.h"
 #include "pipe/p_state.h"

 #include "nouveau/nouveau_screen.h"

 #include "nv30_context.h"
 #include "nv30_screen.h"

 #define NV30TCL_CHIPSET_3X_MASK 0x00000003
 #define NV34TCL_CHIPSET_3X_MASK 0x00000010
 #define NV35TCL_CHIPSET_3X_MASK 0x000001e0

 /* FIXME: It seems I should not include directly ../../winsys/drm/nouveau/drm/nouveau_drm_api.h
  * to get the pointer to the context front buffer, so I copied nouveau_winsys here.
  * nv30_screen_surface_format_supported() can then use it to enforce creating fbo
  * with same number of bits everywhere.
  */
 struct nouveau_winsys {
 	struct pipe_winsys base;

 	struct pipe_screen *pscreen;

 	unsigned nr_pctx;
 	struct pipe_context **pctx;

 	struct pipe_surface *front;
 };

 static int
 nv30_screen_get_param(struct pipe_screen *pscreen, int param)
 {
 	switch (param) {
 	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 		return 16;
 	case PIPE_CAP_NPOT_TEXTURES:
 		return 0;
 	case PIPE_CAP_TWO_SIDED_STENCIL:
 		return 1;
 	case PIPE_CAP_GLSL:
 		return 0;
 	case PIPE_CAP_ANISOTROPIC_FILTER:
 		return 1;
 	case PIPE_CAP_POINT_SPRITE:
 		return 1;
 	case PIPE_CAP_MAX_RENDER_TARGETS:
 		return 2;
 	case PIPE_CAP_OCCLUSION_QUERY:
 		return 1;
 	case PIPE_CAP_TEXTURE_SHADOW_MAP:
 		return 1;
 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 		return 13;
 	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 		return 10;
 	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 		return 13;
 	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 		return 0;
 	case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 		return 1;
 	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 		return 0;
 	case PIPE_CAP_TGSI_CONT_SUPPORTED:
 		return 0;
 	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 		return 0;
 	case NOUVEAU_CAP_HW_VTXBUF:
 	case NOUVEAU_CAP_HW_IDXBUF:
 		return 1;
 	default:
 		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 		return 0;
 	}
 }

 static float
 nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
 {
 	switch (param) {
 	case PIPE_CAP_MAX_LINE_WIDTH:
 	case PIPE_CAP_MAX_LINE_WIDTH_AA:
 		return 10.0;
 	case PIPE_CAP_MAX_POINT_WIDTH:
 	case PIPE_CAP_MAX_POINT_WIDTH_AA:
 		return 64.0;
 	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 		return 8.0;
 	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 		return 4.0;
 	default:
 		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 		return 0.0;
 	}
 }

 static boolean
 nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
 				     enum pipe_format format,
 				     enum pipe_texture_target target,
 				     unsigned tex_usage, unsigned geom_flags)
 {
 	struct pipe_surface *front = ((struct nouveau_winsys *) pscreen->winsys)->front;

 	if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 		switch (format) {
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
 		case PIPE_FORMAT_R5G6B5_UNORM:
 			return TRUE;
 		default:
 			break;
 		}
 	} else
 	if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
 		switch (format) {
 		case PIPE_FORMAT_Z24S8_UNORM:
 		case PIPE_FORMAT_Z24X8_UNORM:
 			return TRUE;
 		case PIPE_FORMAT_Z16_UNORM:
 			if (front) {
 				return (front->format == PIPE_FORMAT_R5G6B5_UNORM);
 			}
 			return TRUE;
 		default:
 			break;
 		}
 	} else {
 		switch (format) {
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
 		case PIPE_FORMAT_A1R5G5B5_UNORM:
 		case PIPE_FORMAT_A4R4G4B4_UNORM:
 		case PIPE_FORMAT_R5G6B5_UNORM:
 		case PIPE_FORMAT_L8_UNORM:
 		case PIPE_FORMAT_A8_UNORM:
 		case PIPE_FORMAT_I8_UNORM:
 		case PIPE_FORMAT_A8L8_UNORM:
 		case PIPE_FORMAT_Z16_UNORM:
 		case PIPE_FORMAT_Z24S8_UNORM:
 			return TRUE;
 		default:
 			break;
 		}
 	}

 	return FALSE;
 }

 static struct pipe_buffer *
 nv30_surface_buffer(struct pipe_surface *surf)
 {
 	struct nv30_miptree *mt = (struct nv30_miptree *)surf->texture;

 	return mt->buffer;
 }

 static void
 nv30_screen_destroy(struct pipe_screen *pscreen)
 {
 	struct nv30_screen *screen = nv30_screen(pscreen);
 	unsigned i;

 	for (i = 0; i < NV30_STATE_MAX; i++) {
 		if (screen->state[i])
 			so_ref(NULL, &screen->state[i]);
 	}

 	nouveau_resource_free(&screen->vp_exec_heap);
 	nouveau_resource_free(&screen->vp_data_heap);
 	nouveau_resource_free(&screen->query_heap);
 	nouveau_notifier_free(&screen->query);
 	nouveau_notifier_free(&screen->sync);
 	nouveau_grobj_free(&screen->rankine);
 	nv04_surface_2d_takedown(&screen->eng2d);

 	nouveau_screen_fini(&screen->base);

 	FREE(pscreen);
 }

 struct pipe_screen *
 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 {
 	struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 	struct nouveau_channel *chan;
 	struct pipe_screen *pscreen;
 	struct nouveau_stateobj *so;
 	unsigned rankine_class = 0;
 	int ret, i;

 	if (!screen)
 		return NULL;
 	pscreen = &screen->base.base;

 	ret = nouveau_screen_init(&screen->base, dev);
 	if (ret) {
 		nv30_screen_destroy(pscreen);
 		return NULL;
 	}
 	chan = screen->base.channel;

 	pscreen->winsys = ws;
 	pscreen->destroy = nv30_screen_destroy;
 	pscreen->get_param = nv30_screen_get_param;
 	pscreen->get_paramf = nv30_screen_get_paramf;
 	pscreen->is_format_supported = nv30_screen_surface_format_supported;

 	nv30_screen_init_miptree_functions(pscreen);
 	nv30_screen_init_transfer_functions(pscreen);

 	/* 3D object */
 	switch (dev->chipset & 0xf0) {
 	case 0x30:
 		if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 			rankine_class = 0x0397;
 		else
 		if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 			rankine_class = 0x0697;
 		else
 		if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 			rankine_class = 0x0497;
 		break;
 	default:
 		break;
 	}

 	if (!rankine_class) {
 		NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", dev->chipset);
 		return NULL;
 	}

 	ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
 				  &screen->rankine);
 	if (ret) {
 		NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 		return FALSE;
 	}

 	/* 2D engine setup */
 	screen->eng2d = nv04_surface_2d_init(&screen->base);
 	screen->eng2d->buf = nv30_surface_buffer;

 	/* Notifier for sync purposes */
 	ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 	if (ret) {
 		NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 		nv30_screen_destroy(pscreen);
 		return NULL;
 	}

 	/* Query objects */
 	ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
 	if (ret) {
 		NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 		nv30_screen_destroy(pscreen);
 		return NULL;
 	}

 	ret = nouveau_resource_init(&screen->query_heap, 0, 32);
 	if (ret) {
 		NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 		nv30_screen_destroy(pscreen);
 		return NULL;
 	}

 	/* Vtxprog resources */
 	if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) ||
 	    nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
 		nv30_screen_destroy(pscreen);
 		return NULL;
 	}

 	/* Static rankine initialisation */
 	so = so_new(36, 60, 0);
 	so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 	so_data  (so, screen->sync->handle);
 	so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 	so_data  (so, chan->vram->handle);
 	so_data  (so, chan->gart->handle);
 	so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 	so_data  (so, chan->vram->handle);
 	so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 	so_data  (so, chan->vram->handle);
 	so_data  (so, chan->vram->handle);
 	so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 	so_data  (so, chan->vram->handle);
 	so_data  (so, chan->gart->handle);
 /*	so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 	so_data  (so, 0);
 	so_data  (so, screen->query->handle);*/
 	so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 	so_data  (so, chan->vram->handle);
 	so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 	so_data  (so, chan->vram->handle);

 	for (i=1; i<8; i++) {
 		so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 		so_data  (so, 0);
 		so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 		so_data  (so, 0);
 	}

 	so_method(so, screen->rankine, 0x220, 1);
 	so_data  (so, 1);

 	so_method(so, screen->rankine, 0x03b0, 1);
 	so_data  (so, 0x00100000);
 	so_method(so, screen->rankine, 0x1454, 1);
 	so_data  (so, 0);
 	so_method(so, screen->rankine, 0x1d80, 1);
 	so_data  (so, 3);
 	so_method(so, screen->rankine, 0x1450, 1);
 	so_data  (so, 0x00030004);

 	/* NEW */
 	so_method(so, screen->rankine, 0x1e98, 1);
 	so_data  (so, 0);
 	so_method(so, screen->rankine, 0x17e0, 3);
 	so_data  (so, fui(0.0));
 	so_data  (so, fui(0.0));
 	so_data  (so, fui(1.0));
 	so_method(so, screen->rankine, 0x1f80, 16);
 	for (i=0; i<16; i++) {
 		so_data  (so, (i==8) ? 0x0000ffff : 0);
 	}

 	so_method(so, screen->rankine, 0x120, 3);
 	so_data  (so, 0);
 	so_data  (so, 1);
 	so_data  (so, 2);

 	so_method(so, screen->rankine, 0x1d88, 1);
 	so_data  (so, 0x00001200);

 	so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 	so_data  (so, 0);

 	so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 	so_data  (so, fui(0.0));
 	so_data  (so, fui(1.0));

 	so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 	so_data  (so, 0xffff0000);

 	/* enables use of vp rather than fixed-function somehow */
 	so_method(so, screen->rankine, 0x1e94, 1);
 	so_data  (so, 0x13);

 	so_emit(chan, so);
 	so_ref(NULL, &so);
 	nouveau_pushbuf_flush(chan, 0);

 	return pscreen;
 }
	#include "pipe/p_screen.h"
	#include "pipe/p_state.h"

	#include "nouveau/nouveau_screen.h"

	#include "nv30_context.h"
	#include "nv30_screen.h"

	#define NV30TCL_CHIPSET_3X_MASK 0x00000003
	#define NV34TCL_CHIPSET_3X_MASK 0x00000010
	#define NV35TCL_CHIPSET_3X_MASK 0x000001e0

	/* FIXME: It seems I should not include directly ../../winsys/drm/nouveau/drm/nouveau_drm_api.h
	* to get the pointer to the context front buffer, so I copied nouveau_winsys here.
	* nv30_screen_surface_format_supported() can then use it to enforce creating fbo
	* with same number of bits everywhere.
	*/
	struct nouveau_winsys {
	struct pipe_winsys base;

	struct pipe_screen *pscreen;

	unsigned nr_pctx;
	struct pipe_context **pctx;

	struct pipe_surface *front;
	};

	static int
	nv30_screen_get_param(struct pipe_screen *pscreen, int param)
	{
	switch (param) {
	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
	return 16;
	case PIPE_CAP_NPOT_TEXTURES:
	return 0;
	case PIPE_CAP_TWO_SIDED_STENCIL:
	return 1;
	case PIPE_CAP_GLSL:
	return 0;
	case PIPE_CAP_ANISOTROPIC_FILTER:
	return 1;
	case PIPE_CAP_POINT_SPRITE:
	return 1;
	case PIPE_CAP_MAX_RENDER_TARGETS:
	return 2;
	case PIPE_CAP_OCCLUSION_QUERY:
	return 1;
	case PIPE_CAP_TEXTURE_SHADOW_MAP:
	return 1;
	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
	return 13;
	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
	return 10;
	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
	return 13;
	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
	return 0;
	case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
	return 1;
	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
	return 0;
	case PIPE_CAP_TGSI_CONT_SUPPORTED:
	return 0;
	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
	return 0;
	case NOUVEAU_CAP_HW_VTXBUF:
	case NOUVEAU_CAP_HW_IDXBUF:
	return 1;
	default:
	NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
	return 0;
	}
	}

	static float
	nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
	{
	switch (param) {
	case PIPE_CAP_MAX_LINE_WIDTH:
	case PIPE_CAP_MAX_LINE_WIDTH_AA:
	return 10.0;
	case PIPE_CAP_MAX_POINT_WIDTH:
	case PIPE_CAP_MAX_POINT_WIDTH_AA:
	return 64.0;
	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
	return 8.0;
	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
	return 4.0;
	default:
	NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
	return 0.0;
	}
	}

	static boolean
	nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
	enum pipe_format format,
	enum pipe_texture_target target,
	unsigned tex_usage, unsigned geom_flags)
	{
	struct pipe_surface front = ((struct nouveau_winsys ) pscreen->winsys)->front;

	if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
	switch (format) {
	case PIPE_FORMAT_A8R8G8B8_UNORM:
	case PIPE_FORMAT_R5G6B5_UNORM:
	return TRUE;
	default:
	break;
	}
	} else
	if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
	switch (format) {
	case PIPE_FORMAT_Z24S8_UNORM:
	case PIPE_FORMAT_Z24X8_UNORM:
	return TRUE;
	case PIPE_FORMAT_Z16_UNORM:
	if (front) {
	return (front->format == PIPE_FORMAT_R5G6B5_UNORM);
	}
	return TRUE;
	default:
	break;
	}
	} else {
	switch (format) {
	case PIPE_FORMAT_A8R8G8B8_UNORM:
	case PIPE_FORMAT_A1R5G5B5_UNORM:
	case PIPE_FORMAT_A4R4G4B4_UNORM:
	case PIPE_FORMAT_R5G6B5_UNORM:
	case PIPE_FORMAT_L8_UNORM:
	case PIPE_FORMAT_A8_UNORM:
	case PIPE_FORMAT_I8_UNORM:
	case PIPE_FORMAT_A8L8_UNORM:
	case PIPE_FORMAT_Z16_UNORM:
	case PIPE_FORMAT_Z24S8_UNORM:
	return TRUE;
	default:
	break;
	}
	}

	return FALSE;
	}

	static struct pipe_buffer *
	nv30_surface_buffer(struct pipe_surface *surf)
	{
	struct nv30_miptree mt = (struct nv30_miptree )surf->texture;

	return mt->buffer;
	}

	static void
	nv30_screen_destroy(struct pipe_screen *pscreen)
	{
	struct nv30_screen *screen = nv30_screen(pscreen);
	unsigned i;

	for (i = 0; i < NV30_STATE_MAX; i++) {
	if (screen->state[i])
	so_ref(NULL, &screen->state[i]);
	}

	nouveau_resource_free(&screen->vp_exec_heap);
	nouveau_resource_free(&screen->vp_data_heap);
	nouveau_resource_free(&screen->query_heap);
	nouveau_notifier_free(&screen->query);
	nouveau_notifier_free(&screen->sync);
	nouveau_grobj_free(&screen->rankine);
	nv04_surface_2d_takedown(&screen->eng2d);

	nouveau_screen_fini(&screen->base);

	FREE(pscreen);
	}

	struct pipe_screen *
	nv30_screen_create(struct pipe_winsys ws, struct nouveau_device dev)
	{
	struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
	struct nouveau_channel *chan;
	struct pipe_screen *pscreen;
	struct nouveau_stateobj *so;
	unsigned rankine_class = 0;
	int ret, i;

	if (!screen)
	return NULL;
	pscreen = &screen->base.base;

	ret = nouveau_screen_init(&screen->base, dev);
	if (ret) {
	nv30_screen_destroy(pscreen);
	return NULL;
	}
	chan = screen->base.channel;

	pscreen->winsys = ws;
	pscreen->destroy = nv30_screen_destroy;
	pscreen->get_param = nv30_screen_get_param;
	pscreen->get_paramf = nv30_screen_get_paramf;
	pscreen->is_format_supported = nv30_screen_surface_format_supported;

	nv30_screen_init_miptree_functions(pscreen);
	nv30_screen_init_transfer_functions(pscreen);

	/* 3D object */
	switch (dev->chipset & 0xf0) {
	case 0x30:
	if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
	rankine_class = 0x0397;
	else
	if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
	rankine_class = 0x0697;
	else
	if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
	rankine_class = 0x0497;
	break;
	default:
	break;
	}

	if (!rankine_class) {
	NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", dev->chipset);
	return NULL;
	}

	ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
	&screen->rankine);
	if (ret) {
	NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
	return FALSE;
	}

	/* 2D engine setup */
	screen->eng2d = nv04_surface_2d_init(&screen->base);
	screen->eng2d->buf = nv30_surface_buffer;

	/* Notifier for sync purposes */
	ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
	if (ret) {
	NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
	nv30_screen_destroy(pscreen);
	return NULL;
	}

	/* Query objects */
	ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
	if (ret) {
	NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
	nv30_screen_destroy(pscreen);
	return NULL;
	}

	ret = nouveau_resource_init(&screen->query_heap, 0, 32);
	if (ret) {
	NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
	nv30_screen_destroy(pscreen);
	return NULL;
	}

	/* Vtxprog resources */
	if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) \|\|
	nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
	nv30_screen_destroy(pscreen);
	return NULL;
	}

	/* Static rankine initialisation */
	so = so_new(36, 60, 0);
	so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
	so_data (so, screen->sync->handle);
	so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
	so_data (so, chan->vram->handle);
	so_data (so, chan->gart->handle);
	so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
	so_data (so, chan->vram->handle);
	so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
	so_data (so, chan->vram->handle);
	so_data (so, chan->vram->handle);
	so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
	so_data (so, chan->vram->handle);
	so_data (so, chan->gart->handle);
	/* so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
	so_data (so, 0);
	so_data (so, screen->query->handle);*/
	so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
	so_data (so, chan->vram->handle);
	so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
	so_data (so, chan->vram->handle);

	for (i=1; i<8; i++) {
	so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
	so_data (so, 0);
	so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
	so_data (so, 0);
	}

	so_method(so, screen->rankine, 0x220, 1);
	so_data (so, 1);

	so_method(so, screen->rankine, 0x03b0, 1);
	so_data (so, 0x00100000);
	so_method(so, screen->rankine, 0x1454, 1);
	so_data (so, 0);
	so_method(so, screen->rankine, 0x1d80, 1);
	so_data (so, 3);
	so_method(so, screen->rankine, 0x1450, 1);
	so_data (so, 0x00030004);

	/* NEW */
	so_method(so, screen->rankine, 0x1e98, 1);
	so_data (so, 0);
	so_method(so, screen->rankine, 0x17e0, 3);
	so_data (so, fui(0.0));
	so_data (so, fui(0.0));
	so_data (so, fui(1.0));
	so_method(so, screen->rankine, 0x1f80, 16);
	for (i=0; i<16; i++) {
	so_data (so, (i==8) ? 0x0000ffff : 0);
	}

	so_method(so, screen->rankine, 0x120, 3);
	so_data (so, 0);
	so_data (so, 1);
	so_data (so, 2);

	so_method(so, screen->rankine, 0x1d88, 1);
	so_data (so, 0x00001200);

	so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
	so_data (so, 0);

	so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
	so_data (so, fui(0.0));
	so_data (so, fui(1.0));

	so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
	so_data (so, 0xffff0000);

	/* enables use of vp rather than fixed-function somehow */
	so_method(so, screen->rankine, 0x1e94, 1);
	so_data (so, 0x13);

	so_emit(chan, so);
	so_ref(NULL, &so);
	nouveau_pushbuf_flush(chan, 0);

	return pscreen;
	}