src/gallium/drivers/nv50/nv50_state_validate.c - fp2-dev/platform/external/mesa3d - Gitiles

 /*
  * Copyright 2008 Ben Skeggs
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #include "nv50_context.h"
 #include "nouveau/nouveau_stateobj.h"

 #define NV50_CBUF_FORMAT_CASE(n) \
 	case PIPE_FORMAT_##n: so_data(so, NV50TCL_RT_FORMAT_##n); break

 #define NV50_ZETA_FORMAT_CASE(n) \
 	case PIPE_FORMAT_##n: so_data(so, NV50TCL_ZETA_FORMAT_##n); break

 static void
 nv50_state_validate_fb(struct nv50_context *nv50)
 {
 	struct nouveau_grobj *tesla = nv50->screen->tesla;
 	struct nouveau_stateobj *so = so_new(32, 79, 18);
 	struct pipe_framebuffer_state *fb = &nv50->framebuffer;
 	unsigned i, w, h, gw = 0;

 	/* Set nr of active RTs and select RT for each colour output.
 	 * FP result 0 always goes to RT[0], bits 4 - 6 are ignored.
 	 * Ambiguous assignment results in no rendering (no DATA_ERROR).
 	 */
 	so_method(so, tesla, NV50TCL_RT_CONTROL, 1);
 	so_data  (so, fb->nr_cbufs |
 		  (0 <<  4) | (1 <<  7) | (2 << 10) | (3 << 13) |
 		  (4 << 16) | (5 << 19) | (6 << 22) | (7 << 25));

 	for (i = 0; i < fb->nr_cbufs; i++) {
 		struct pipe_texture *pt = fb->cbufs[i]->texture;
 		struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;

 		if (!gw) {
 			w = fb->cbufs[i]->width;
 			h = fb->cbufs[i]->height;
 			gw = 1;
 		} else {
 			assert(w == fb->cbufs[i]->width);
 			assert(h == fb->cbufs[i]->height);
 		}

 		so_method(so, tesla, NV50TCL_RT_HORIZ(i), 2);
 		so_data  (so, fb->cbufs[i]->width);
 		so_data  (so, fb->cbufs[i]->height);

 		so_method(so, tesla, NV50TCL_RT_ADDRESS_HIGH(i), 5);
 		so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
 			      NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
 		so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
 			      NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
 		switch (fb->cbufs[i]->format) {
 		NV50_CBUF_FORMAT_CASE(A8R8G8B8_UNORM);
 		NV50_CBUF_FORMAT_CASE(X8R8G8B8_UNORM);
 		NV50_CBUF_FORMAT_CASE(R5G6B5_UNORM);
 		NV50_CBUF_FORMAT_CASE(R16G16B16A16_SNORM);
 		NV50_CBUF_FORMAT_CASE(R16G16B16A16_UNORM);
 		NV50_CBUF_FORMAT_CASE(R32G32B32A32_FLOAT);
 		NV50_CBUF_FORMAT_CASE(R16G16_SNORM);
 		NV50_CBUF_FORMAT_CASE(R16G16_UNORM);
 		default:
 			NOUVEAU_ERR("AIIII unknown format %s\n",
 				    pf_name(fb->cbufs[i]->format));
 			so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
 			break;
 		}
 		so_data(so, nv50_miptree(pt)->
 				level[fb->cbufs[i]->level].tile_mode << 4);
 		so_data(so, 0x00000000);

 		so_method(so, tesla, NV50TCL_RT_ARRAY_MODE, 1);
 		so_data  (so, 1);
 	}

 	if (fb->zsbuf) {
 		struct pipe_texture *pt = fb->zsbuf->texture;
 		struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;

 		if (!gw) {
 			w = fb->zsbuf->width;
 			h = fb->zsbuf->height;
 			gw = 1;
 		} else {
 			assert(w == fb->zsbuf->width);
 			assert(h == fb->zsbuf->height);
 		}

 		so_method(so, tesla, NV50TCL_ZETA_ADDRESS_HIGH, 5);
 		so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 			      NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
 		so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 			      NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
 		switch (fb->zsbuf->format) {
 		NV50_ZETA_FORMAT_CASE(S8Z24_UNORM);
 		NV50_ZETA_FORMAT_CASE(X8Z24_UNORM);
 		NV50_ZETA_FORMAT_CASE(Z24S8_UNORM);
 		NV50_ZETA_FORMAT_CASE(Z32_FLOAT);
 		default:
 			NOUVEAU_ERR("AIIII unknown format %s\n",
 				    pf_name(fb->zsbuf->format));
 			so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
 			break;
 		}
 		so_data(so, nv50_miptree(pt)->
 				level[fb->zsbuf->level].tile_mode << 4);
 		so_data(so, 0x00000000);

 		so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
 		so_data  (so, 1);
 		so_method(so, tesla, NV50TCL_ZETA_HORIZ, 3);
 		so_data  (so, fb->zsbuf->width);
 		so_data  (so, fb->zsbuf->height);
 		so_data  (so, 0x00010001);
 	} else {
 		so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
 		so_data  (so, 0);
 	}

 	so_method(so, tesla, NV50TCL_VIEWPORT_HORIZ(0), 2);
 	so_data  (so, w << 16);
 	so_data  (so, h << 16);
 	/* set window lower left corner */
 	so_method(so, tesla, NV50TCL_WINDOW_OFFSET_X, 2);
 	so_data  (so, 0);
 	so_data  (so, 0);
 	/* set screen scissor rectangle */
 	so_method(so, tesla, NV50TCL_SCREEN_SCISSOR_HORIZ, 2);
 	so_data  (so, w << 16);
 	so_data  (so, h << 16);

 	/* we set scissors to framebuffer size when they're 'turned off' */
 	nv50->dirty |= NV50_NEW_SCISSOR;
 	so_ref(NULL, &nv50->state.scissor);

 	so_ref(so, &nv50->state.fb);
 	so_ref(NULL, &so);
 }

 static void
 nv50_validate_samplers(struct nv50_context *nv50, struct nouveau_stateobj *so,
 		       unsigned p)
 {
 	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
 	unsigned i, j, dw = nv50->sampler_nr[p] * 8;

 	if (!dw)
 		return;
 	nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
 			  p * (32 * 8 * 4), dw * 4);

 	so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), dw);

 	for (i = 0; i < nv50->sampler_nr[p]; ++i) {
 		if (nv50->sampler[p][i])
 			so_datap(so, nv50->sampler[p][i]->tsc, 8);
 		else {
 			for (j = 0; j < 8; ++j) /* you get punished */
 				so_data(so, 0); /* ... for leaving holes */
 		}
 	}
 }

 static void
 nv50_state_emit(struct nv50_context *nv50)
 {
 	struct nv50_screen *screen = nv50->screen;
 	struct nouveau_channel *chan = screen->base.channel;

 	/* I don't want to copy headers from the winsys. */
 	screen->cur_ctx = nv50;

 	if (nv50->pctx_id != screen->cur_pctx) {
 		if (nv50->state.fb)
 			nv50->state.dirty |= NV50_NEW_FRAMEBUFFER;
 		if (nv50->state.blend)
 			nv50->state.dirty |= NV50_NEW_BLEND;
 		if (nv50->state.zsa)
 			nv50->state.dirty |= NV50_NEW_ZSA;
 		if (nv50->state.vertprog)
 			nv50->state.dirty |= NV50_NEW_VERTPROG;
 		if (nv50->state.fragprog)
 			nv50->state.dirty |= NV50_NEW_FRAGPROG;
 		if (nv50->state.rast)
 			nv50->state.dirty |= NV50_NEW_RASTERIZER;
 		if (nv50->state.blend_colour)
 			nv50->state.dirty |= NV50_NEW_BLEND_COLOUR;
 		if (nv50->state.stipple)
 			nv50->state.dirty |= NV50_NEW_STIPPLE;
 		if (nv50->state.scissor)
 			nv50->state.dirty |= NV50_NEW_SCISSOR;
 		if (nv50->state.viewport)
 			nv50->state.dirty |= NV50_NEW_VIEWPORT;
 		if (nv50->state.tsc_upload)
 			nv50->state.dirty |= NV50_NEW_SAMPLER;
 		if (nv50->state.tic_upload)
 			nv50->state.dirty |= NV50_NEW_TEXTURE;
 		if (nv50->state.vtxfmt && nv50->state.vtxbuf)
 			nv50->state.dirty |= NV50_NEW_ARRAYS;
 		screen->cur_pctx = nv50->pctx_id;
 	}

 	if (nv50->state.dirty & NV50_NEW_FRAMEBUFFER)
 		so_emit(chan, nv50->state.fb);
 	if (nv50->state.dirty & NV50_NEW_BLEND)
 		so_emit(chan, nv50->state.blend);
 	if (nv50->state.dirty & NV50_NEW_ZSA)
 		so_emit(chan, nv50->state.zsa);
 	if (nv50->state.dirty & NV50_NEW_VERTPROG)
 		so_emit(chan, nv50->state.vertprog);
 	if (nv50->state.dirty & NV50_NEW_FRAGPROG)
 		so_emit(chan, nv50->state.fragprog);
 	if (nv50->state.dirty & (NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
 				 NV50_NEW_RASTERIZER))
 		so_emit(chan, nv50->state.programs);
 	if (nv50->state.dirty & NV50_NEW_RASTERIZER)
 		so_emit(chan, nv50->state.rast);
 	if (nv50->state.dirty & NV50_NEW_BLEND_COLOUR)
 		so_emit(chan, nv50->state.blend_colour);
 	if (nv50->state.dirty & NV50_NEW_STIPPLE)
 		so_emit(chan, nv50->state.stipple);
 	if (nv50->state.dirty & NV50_NEW_SCISSOR)
 		so_emit(chan, nv50->state.scissor);
 	if (nv50->state.dirty & NV50_NEW_VIEWPORT)
 		so_emit(chan, nv50->state.viewport);
 	if (nv50->state.dirty & NV50_NEW_SAMPLER)
 		so_emit(chan, nv50->state.tsc_upload);
 	if (nv50->state.dirty & NV50_NEW_TEXTURE)
 		so_emit(chan, nv50->state.tic_upload);
 	if (nv50->state.dirty & NV50_NEW_ARRAYS) {
 		so_emit(chan, nv50->state.vtxfmt);
 		so_emit(chan, nv50->state.vtxbuf);
 		if (nv50->state.vtxattr)
 			so_emit(chan, nv50->state.vtxattr);
 	}
 	nv50->state.dirty = 0;
 }

 void
 nv50_state_flush_notify(struct nouveau_channel *chan)
 {
 	struct nv50_context *nv50 = chan->user_private;

 	if (nv50->state.tic_upload && !(nv50->dirty & NV50_NEW_TEXTURE))
 		so_emit(chan, nv50->state.tic_upload);

 	so_emit_reloc_markers(chan, nv50->state.fb);
 	so_emit_reloc_markers(chan, nv50->state.vertprog);
 	so_emit_reloc_markers(chan, nv50->state.fragprog);
 	so_emit_reloc_markers(chan, nv50->state.vtxbuf);
 	so_emit_reloc_markers(chan, nv50->screen->static_init);
 }

 boolean
 nv50_state_validate(struct nv50_context *nv50)
 {
 	struct nouveau_grobj *tesla = nv50->screen->tesla;
 	struct nouveau_stateobj *so;
 	unsigned i;

 	if (nv50->dirty & NV50_NEW_FRAMEBUFFER)
 		nv50_state_validate_fb(nv50);

 	if (nv50->dirty & NV50_NEW_BLEND)
 		so_ref(nv50->blend->so, &nv50->state.blend);

 	if (nv50->dirty & NV50_NEW_ZSA)
 		so_ref(nv50->zsa->so, &nv50->state.zsa);

 	if (nv50->dirty & (NV50_NEW_VERTPROG | NV50_NEW_VERTPROG_CB))
 		nv50_vertprog_validate(nv50);

 	if (nv50->dirty & (NV50_NEW_FRAGPROG | NV50_NEW_FRAGPROG_CB))
 		nv50_fragprog_validate(nv50);

 	if (nv50->dirty & (NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
 			   NV50_NEW_RASTERIZER))
 		nv50_linkage_validate(nv50);

 	if (nv50->dirty & NV50_NEW_RASTERIZER)
 		so_ref(nv50->rasterizer->so, &nv50->state.rast);

 	if (nv50->dirty & NV50_NEW_BLEND_COLOUR) {
 		so = so_new(1, 4, 0);
 		so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
 		so_data  (so, fui(nv50->blend_colour.color[0]));
 		so_data  (so, fui(nv50->blend_colour.color[1]));
 		so_data  (so, fui(nv50->blend_colour.color[2]));
 		so_data  (so, fui(nv50->blend_colour.color[3]));
 		so_ref(so, &nv50->state.blend_colour);
 		so_ref(NULL, &so);
 	}

 	if (nv50->dirty & NV50_NEW_STIPPLE) {
 		so = so_new(1, 32, 0);
 		so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
 		for (i = 0; i < 32; i++)
 			so_data(so, util_bswap32(nv50->stipple.stipple[i]));
 		so_ref(so, &nv50->state.stipple);
 		so_ref(NULL, &so);
 	}

 	if (nv50->dirty & (NV50_NEW_SCISSOR | NV50_NEW_RASTERIZER)) {
 		struct pipe_rasterizer_state *rast = &nv50->rasterizer->pipe;
 		struct pipe_scissor_state *s = &nv50->scissor;

 		if (nv50->state.scissor &&
 		    (rast->scissor == 0 && nv50->state.scissor_enabled == 0))
 			goto scissor_uptodate;
 		nv50->state.scissor_enabled = rast->scissor;

 		so = so_new(1, 2, 0);
 		so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
 		if (nv50->state.scissor_enabled) {
 			so_data(so, (s->maxx << 16) | s->minx);
 			so_data(so, (s->maxy << 16) | s->miny);
 		} else {
 			so_data(so, (nv50->framebuffer.width << 16));
 			so_data(so, (nv50->framebuffer.height << 16));
 		}
 		so_ref(so, &nv50->state.scissor);
 		so_ref(NULL, &so);
 		nv50->state.dirty |= NV50_NEW_SCISSOR;
 	}
 scissor_uptodate:

 	if (nv50->dirty & (NV50_NEW_VIEWPORT | NV50_NEW_RASTERIZER)) {
 		unsigned bypass;

 		if (!nv50->rasterizer->pipe.bypass_vs_clip_and_viewport)
 			bypass = 0;
 		else
 			bypass = 1;

 		if (nv50->state.viewport &&
 		    (bypass || !(nv50->dirty & NV50_NEW_VIEWPORT)) &&
 		    nv50->state.viewport_bypass == bypass)
 			goto viewport_uptodate;
 		nv50->state.viewport_bypass = bypass;

 		so = so_new(5, 9, 0);
 		if (!bypass) {
 			so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
 			so_data  (so, fui(nv50->viewport.translate[0]));
 			so_data  (so, fui(nv50->viewport.translate[1]));
 			so_data  (so, fui(nv50->viewport.translate[2]));
 			so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
 			so_data  (so, fui(nv50->viewport.scale[0]));
 			so_data  (so, fui(nv50->viewport.scale[1]));
 			so_data  (so, fui(nv50->viewport.scale[2]));

 			so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
 			so_data  (so, 1);
 			/* 0x0000 = remove whole primitive only (xyz)
 			 * 0x1018 = remove whole primitive only (xy), clamp z
 			 * 0x1080 = clip primitive (xyz)
 			 * 0x1098 = clip primitive (xy), clamp z
 			 */
 			so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
 			so_data  (so, 0x1080);
 			/* no idea what 0f90 does */
 			so_method(so, tesla, 0x0f90, 1);
 			so_data  (so, 0);
 		} else {
 			so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
 			so_data  (so, 0);
 			so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
 			so_data  (so, 0x0000);
 			so_method(so, tesla, 0x0f90, 1);
 			so_data  (so, 1);
 		}

 		so_ref(so, &nv50->state.viewport);
 		so_ref(NULL, &so);
 		nv50->state.dirty |= NV50_NEW_VIEWPORT;
 	}
 viewport_uptodate:

 	if (nv50->dirty & NV50_NEW_SAMPLER) {
 		unsigned nr = 0;

 		for (i = 0; i < PIPE_SHADER_TYPES; ++i)
 			nr += nv50->sampler_nr[i];

 		so = so_new(1+ 5 * PIPE_SHADER_TYPES, 1+ 19 * PIPE_SHADER_TYPES
 					+ nr * 8, PIPE_SHADER_TYPES * 2);

 		nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
 		nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);

 		so_method(so, tesla, 0x1334, 1); /* flush TSC */
 		so_data  (so, 0);

 		so_ref(so, &nv50->state.tsc_upload);
 		so_ref(NULL, &so);
 	}

 	if (nv50->dirty & (NV50_NEW_TEXTURE | NV50_NEW_SAMPLER))
 		nv50_tex_validate(nv50);

 	if (nv50->dirty & NV50_NEW_ARRAYS)
 		nv50_vbo_validate(nv50);

 	nv50->state.dirty |= nv50->dirty;
 	nv50->dirty = 0;
 	nv50_state_emit(nv50);

 	return TRUE;
 }

 void nv50_so_init_sifc(struct nv50_context *nv50,
 		       struct nouveau_stateobj *so,
 		       struct nouveau_bo *bo, unsigned reloc,
 		       unsigned offset, unsigned size)
 {
 	struct nouveau_grobj *eng2d = nv50->screen->eng2d;

 	reloc |= NOUVEAU_BO_WR;

 	so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
 	so_data  (so, NV50_2D_DST_FORMAT_R8_UNORM);
 	so_data  (so, 1);
 	so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
 	so_data  (so, 262144);
 	so_data  (so, 65536);
 	so_data  (so, 1);
 	so_reloc (so, bo, offset, reloc | NOUVEAU_BO_HIGH, 0, 0);
 	so_reloc (so, bo, offset, reloc | NOUVEAU_BO_LOW, 0, 0);
 	so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
 	so_data  (so, 0);
 	so_data  (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
 	so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
 	so_data  (so, size);
 	so_data  (so, 1);
 	so_data  (so, 0);
 	so_data  (so, 1);
 	so_data  (so, 0);
 	so_data  (so, 1);
 	so_data  (so, 0);
 	so_data  (so, 0);
 	so_data  (so, 0);
 	so_data  (so, 0);
 }
	/*
	* Copyright 2008 Ben Skeggs
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
	* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
	* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#include "nv50_context.h"
	#include "nouveau/nouveau_stateobj.h"

	#define NV50_CBUF_FORMAT_CASE(n) \
	case PIPE_FORMAT_##n: so_data(so, NV50TCL_RT_FORMAT_##n); break

	#define NV50_ZETA_FORMAT_CASE(n) \
	case PIPE_FORMAT_##n: so_data(so, NV50TCL_ZETA_FORMAT_##n); break

	static void
	nv50_state_validate_fb(struct nv50_context *nv50)
	{
	struct nouveau_grobj *tesla = nv50->screen->tesla;
	struct nouveau_stateobj *so = so_new(32, 79, 18);
	struct pipe_framebuffer_state *fb = &nv50->framebuffer;
	unsigned i, w, h, gw = 0;

	/* Set nr of active RTs and select RT for each colour output.
	* FP result 0 always goes to RT[0], bits 4 - 6 are ignored.
	* Ambiguous assignment results in no rendering (no DATA_ERROR).
	*/
	so_method(so, tesla, NV50TCL_RT_CONTROL, 1);
	so_data (so, fb->nr_cbufs \|
	(0 << 4) \| (1 << 7) \| (2 << 10) \| (3 << 13) \|
	(4 << 16) \| (5 << 19) \| (6 << 22) \| (7 << 25));

	for (i = 0; i < fb->nr_cbufs; i++) {
	struct pipe_texture *pt = fb->cbufs[i]->texture;
	struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;

	if (!gw) {
	w = fb->cbufs[i]->width;
	h = fb->cbufs[i]->height;
	gw = 1;
	} else {
	assert(w == fb->cbufs[i]->width);
	assert(h == fb->cbufs[i]->height);
	}

	so_method(so, tesla, NV50TCL_RT_HORIZ(i), 2);
	so_data (so, fb->cbufs[i]->width);
	so_data (so, fb->cbufs[i]->height);

	so_method(so, tesla, NV50TCL_RT_ADDRESS_HIGH(i), 5);
	so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM \|
	NOUVEAU_BO_HIGH \| NOUVEAU_BO_RDWR, 0, 0);
	so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM \|
	NOUVEAU_BO_LOW \| NOUVEAU_BO_RDWR, 0, 0);
	switch (fb->cbufs[i]->format) {
	NV50_CBUF_FORMAT_CASE(A8R8G8B8_UNORM);
	NV50_CBUF_FORMAT_CASE(X8R8G8B8_UNORM);
	NV50_CBUF_FORMAT_CASE(R5G6B5_UNORM);
	NV50_CBUF_FORMAT_CASE(R16G16B16A16_SNORM);
	NV50_CBUF_FORMAT_CASE(R16G16B16A16_UNORM);
	NV50_CBUF_FORMAT_CASE(R32G32B32A32_FLOAT);
	NV50_CBUF_FORMAT_CASE(R16G16_SNORM);
	NV50_CBUF_FORMAT_CASE(R16G16_UNORM);
	default:
	NOUVEAU_ERR("AIIII unknown format %s\n",
	pf_name(fb->cbufs[i]->format));
	so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
	break;
	}
	so_data(so, nv50_miptree(pt)->
	level[fb->cbufs[i]->level].tile_mode << 4);
	so_data(so, 0x00000000);

	so_method(so, tesla, NV50TCL_RT_ARRAY_MODE, 1);
	so_data (so, 1);
	}

	if (fb->zsbuf) {
	struct pipe_texture *pt = fb->zsbuf->texture;
	struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;

	if (!gw) {
	w = fb->zsbuf->width;
	h = fb->zsbuf->height;
	gw = 1;
	} else {
	assert(w == fb->zsbuf->width);
	assert(h == fb->zsbuf->height);
	}

	so_method(so, tesla, NV50TCL_ZETA_ADDRESS_HIGH, 5);
	so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM \|
	NOUVEAU_BO_HIGH \| NOUVEAU_BO_RDWR, 0, 0);
	so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM \|
	NOUVEAU_BO_LOW \| NOUVEAU_BO_RDWR, 0, 0);
	switch (fb->zsbuf->format) {
	NV50_ZETA_FORMAT_CASE(S8Z24_UNORM);
	NV50_ZETA_FORMAT_CASE(X8Z24_UNORM);
	NV50_ZETA_FORMAT_CASE(Z24S8_UNORM);
	NV50_ZETA_FORMAT_CASE(Z32_FLOAT);
	default:
	NOUVEAU_ERR("AIIII unknown format %s\n",
	pf_name(fb->zsbuf->format));
	so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
	break;
	}
	so_data(so, nv50_miptree(pt)->
	level[fb->zsbuf->level].tile_mode << 4);
	so_data(so, 0x00000000);

	so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
	so_data (so, 1);
	so_method(so, tesla, NV50TCL_ZETA_HORIZ, 3);
	so_data (so, fb->zsbuf->width);
	so_data (so, fb->zsbuf->height);
	so_data (so, 0x00010001);
	} else {
	so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
	so_data (so, 0);
	}

	so_method(so, tesla, NV50TCL_VIEWPORT_HORIZ(0), 2);
	so_data (so, w << 16);
	so_data (so, h << 16);
	/* set window lower left corner */
	so_method(so, tesla, NV50TCL_WINDOW_OFFSET_X, 2);
	so_data (so, 0);
	so_data (so, 0);
	/* set screen scissor rectangle */
	so_method(so, tesla, NV50TCL_SCREEN_SCISSOR_HORIZ, 2);
	so_data (so, w << 16);
	so_data (so, h << 16);

	/* we set scissors to framebuffer size when they're 'turned off' */
	nv50->dirty \|= NV50_NEW_SCISSOR;
	so_ref(NULL, &nv50->state.scissor);

	so_ref(so, &nv50->state.fb);
	so_ref(NULL, &so);
	}

	static void
	nv50_validate_samplers(struct nv50_context nv50, struct nouveau_stateobj so,
	unsigned p)
	{
	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
	unsigned i, j, dw = nv50->sampler_nr[p] * 8;

	if (!dw)
	return;
	nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
	p * (32 * 8 * 4), dw * 4);

	so_method(so, eng2d, NV50_2D_SIFC_DATA \| (2 << 29), dw);

	for (i = 0; i < nv50->sampler_nr[p]; ++i) {
	if (nv50->sampler[p][i])
	so_datap(so, nv50->sampler[p][i]->tsc, 8);
	else {
	for (j = 0; j < 8; ++j) /* you get punished */
	so_data(so, 0); /* ... for leaving holes */
	}
	}
	}

	static void
	nv50_state_emit(struct nv50_context *nv50)
	{
	struct nv50_screen *screen = nv50->screen;
	struct nouveau_channel *chan = screen->base.channel;

	/* I don't want to copy headers from the winsys. */
	screen->cur_ctx = nv50;

	if (nv50->pctx_id != screen->cur_pctx) {
	if (nv50->state.fb)
	nv50->state.dirty \|= NV50_NEW_FRAMEBUFFER;
	if (nv50->state.blend)
	nv50->state.dirty \|= NV50_NEW_BLEND;
	if (nv50->state.zsa)
	nv50->state.dirty \|= NV50_NEW_ZSA;
	if (nv50->state.vertprog)
	nv50->state.dirty \|= NV50_NEW_VERTPROG;
	if (nv50->state.fragprog)
	nv50->state.dirty \|= NV50_NEW_FRAGPROG;
	if (nv50->state.rast)
	nv50->state.dirty \|= NV50_NEW_RASTERIZER;
	if (nv50->state.blend_colour)
	nv50->state.dirty \|= NV50_NEW_BLEND_COLOUR;
	if (nv50->state.stipple)
	nv50->state.dirty \|= NV50_NEW_STIPPLE;
	if (nv50->state.scissor)
	nv50->state.dirty \|= NV50_NEW_SCISSOR;
	if (nv50->state.viewport)
	nv50->state.dirty \|= NV50_NEW_VIEWPORT;
	if (nv50->state.tsc_upload)
	nv50->state.dirty \|= NV50_NEW_SAMPLER;
	if (nv50->state.tic_upload)
	nv50->state.dirty \|= NV50_NEW_TEXTURE;
	if (nv50->state.vtxfmt && nv50->state.vtxbuf)
	nv50->state.dirty \|= NV50_NEW_ARRAYS;
	screen->cur_pctx = nv50->pctx_id;
	}

	if (nv50->state.dirty & NV50_NEW_FRAMEBUFFER)
	so_emit(chan, nv50->state.fb);
	if (nv50->state.dirty & NV50_NEW_BLEND)
	so_emit(chan, nv50->state.blend);
	if (nv50->state.dirty & NV50_NEW_ZSA)
	so_emit(chan, nv50->state.zsa);
	if (nv50->state.dirty & NV50_NEW_VERTPROG)
	so_emit(chan, nv50->state.vertprog);
	if (nv50->state.dirty & NV50_NEW_FRAGPROG)
	so_emit(chan, nv50->state.fragprog);
	if (nv50->state.dirty & (NV50_NEW_FRAGPROG \| NV50_NEW_VERTPROG \|
	NV50_NEW_RASTERIZER))
	so_emit(chan, nv50->state.programs);
	if (nv50->state.dirty & NV50_NEW_RASTERIZER)
	so_emit(chan, nv50->state.rast);
	if (nv50->state.dirty & NV50_NEW_BLEND_COLOUR)
	so_emit(chan, nv50->state.blend_colour);
	if (nv50->state.dirty & NV50_NEW_STIPPLE)
	so_emit(chan, nv50->state.stipple);
	if (nv50->state.dirty & NV50_NEW_SCISSOR)
	so_emit(chan, nv50->state.scissor);
	if (nv50->state.dirty & NV50_NEW_VIEWPORT)
	so_emit(chan, nv50->state.viewport);
	if (nv50->state.dirty & NV50_NEW_SAMPLER)
	so_emit(chan, nv50->state.tsc_upload);
	if (nv50->state.dirty & NV50_NEW_TEXTURE)
	so_emit(chan, nv50->state.tic_upload);
	if (nv50->state.dirty & NV50_NEW_ARRAYS) {
	so_emit(chan, nv50->state.vtxfmt);
	so_emit(chan, nv50->state.vtxbuf);
	if (nv50->state.vtxattr)
	so_emit(chan, nv50->state.vtxattr);
	}
	nv50->state.dirty = 0;
	}

	void
	nv50_state_flush_notify(struct nouveau_channel *chan)
	{
	struct nv50_context *nv50 = chan->user_private;

	if (nv50->state.tic_upload && !(nv50->dirty & NV50_NEW_TEXTURE))
	so_emit(chan, nv50->state.tic_upload);

	so_emit_reloc_markers(chan, nv50->state.fb);
	so_emit_reloc_markers(chan, nv50->state.vertprog);
	so_emit_reloc_markers(chan, nv50->state.fragprog);
	so_emit_reloc_markers(chan, nv50->state.vtxbuf);
	so_emit_reloc_markers(chan, nv50->screen->static_init);
	}

	boolean
	nv50_state_validate(struct nv50_context *nv50)
	{
	struct nouveau_grobj *tesla = nv50->screen->tesla;
	struct nouveau_stateobj *so;
	unsigned i;

	if (nv50->dirty & NV50_NEW_FRAMEBUFFER)
	nv50_state_validate_fb(nv50);

	if (nv50->dirty & NV50_NEW_BLEND)
	so_ref(nv50->blend->so, &nv50->state.blend);

	if (nv50->dirty & NV50_NEW_ZSA)
	so_ref(nv50->zsa->so, &nv50->state.zsa);

	if (nv50->dirty & (NV50_NEW_VERTPROG \| NV50_NEW_VERTPROG_CB))
	nv50_vertprog_validate(nv50);

	if (nv50->dirty & (NV50_NEW_FRAGPROG \| NV50_NEW_FRAGPROG_CB))
	nv50_fragprog_validate(nv50);

	if (nv50->dirty & (NV50_NEW_FRAGPROG \| NV50_NEW_VERTPROG \|
	NV50_NEW_RASTERIZER))
	nv50_linkage_validate(nv50);

	if (nv50->dirty & NV50_NEW_RASTERIZER)
	so_ref(nv50->rasterizer->so, &nv50->state.rast);

	if (nv50->dirty & NV50_NEW_BLEND_COLOUR) {
	so = so_new(1, 4, 0);
	so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
	so_data (so, fui(nv50->blend_colour.color[0]));
	so_data (so, fui(nv50->blend_colour.color[1]));
	so_data (so, fui(nv50->blend_colour.color[2]));
	so_data (so, fui(nv50->blend_colour.color[3]));
	so_ref(so, &nv50->state.blend_colour);
	so_ref(NULL, &so);
	}

	if (nv50->dirty & NV50_NEW_STIPPLE) {
	so = so_new(1, 32, 0);
	so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
	for (i = 0; i < 32; i++)
	so_data(so, util_bswap32(nv50->stipple.stipple[i]));
	so_ref(so, &nv50->state.stipple);
	so_ref(NULL, &so);
	}

	if (nv50->dirty & (NV50_NEW_SCISSOR \| NV50_NEW_RASTERIZER)) {
	struct pipe_rasterizer_state *rast = &nv50->rasterizer->pipe;
	struct pipe_scissor_state *s = &nv50->scissor;

	if (nv50->state.scissor &&
	(rast->scissor == 0 && nv50->state.scissor_enabled == 0))
	goto scissor_uptodate;
	nv50->state.scissor_enabled = rast->scissor;

	so = so_new(1, 2, 0);
	so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
	if (nv50->state.scissor_enabled) {
	so_data(so, (s->maxx << 16) \| s->minx);
	so_data(so, (s->maxy << 16) \| s->miny);
	} else {
	so_data(so, (nv50->framebuffer.width << 16));
	so_data(so, (nv50->framebuffer.height << 16));
	}
	so_ref(so, &nv50->state.scissor);
	so_ref(NULL, &so);
	nv50->state.dirty \|= NV50_NEW_SCISSOR;
	}
	scissor_uptodate:

	if (nv50->dirty & (NV50_NEW_VIEWPORT \| NV50_NEW_RASTERIZER)) {
	unsigned bypass;

	if (!nv50->rasterizer->pipe.bypass_vs_clip_and_viewport)
	bypass = 0;
	else
	bypass = 1;

	if (nv50->state.viewport &&
	(bypass \|\| !(nv50->dirty & NV50_NEW_VIEWPORT)) &&
	nv50->state.viewport_bypass == bypass)
	goto viewport_uptodate;
	nv50->state.viewport_bypass = bypass;

	so = so_new(5, 9, 0);
	if (!bypass) {
	so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
	so_data (so, fui(nv50->viewport.translate[0]));
	so_data (so, fui(nv50->viewport.translate[1]));
	so_data (so, fui(nv50->viewport.translate[2]));
	so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
	so_data (so, fui(nv50->viewport.scale[0]));
	so_data (so, fui(nv50->viewport.scale[1]));
	so_data (so, fui(nv50->viewport.scale[2]));

	so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
	so_data (so, 1);
	/* 0x0000 = remove whole primitive only (xyz)
	* 0x1018 = remove whole primitive only (xy), clamp z
	* 0x1080 = clip primitive (xyz)
	* 0x1098 = clip primitive (xy), clamp z
	*/
	so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
	so_data (so, 0x1080);
	/* no idea what 0f90 does */
	so_method(so, tesla, 0x0f90, 1);
	so_data (so, 0);
	} else {
	so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
	so_data (so, 0);
	so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
	so_data (so, 0x0000);
	so_method(so, tesla, 0x0f90, 1);
	so_data (so, 1);
	}

	so_ref(so, &nv50->state.viewport);
	so_ref(NULL, &so);
	nv50->state.dirty \|= NV50_NEW_VIEWPORT;
	}
	viewport_uptodate:

	if (nv50->dirty & NV50_NEW_SAMPLER) {
	unsigned nr = 0;

	for (i = 0; i < PIPE_SHADER_TYPES; ++i)
	nr += nv50->sampler_nr[i];

	so = so_new(1+ 5 * PIPE_SHADER_TYPES, 1+ 19 * PIPE_SHADER_TYPES
	+ nr * 8, PIPE_SHADER_TYPES * 2);

	nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
	nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);

	so_method(so, tesla, 0x1334, 1); /* flush TSC */
	so_data (so, 0);

	so_ref(so, &nv50->state.tsc_upload);
	so_ref(NULL, &so);
	}

	if (nv50->dirty & (NV50_NEW_TEXTURE \| NV50_NEW_SAMPLER))
	nv50_tex_validate(nv50);

	if (nv50->dirty & NV50_NEW_ARRAYS)
	nv50_vbo_validate(nv50);

	nv50->state.dirty \|= nv50->dirty;
	nv50->dirty = 0;
	nv50_state_emit(nv50);

	return TRUE;
	}

	void nv50_so_init_sifc(struct nv50_context *nv50,
	struct nouveau_stateobj *so,
	struct nouveau_bo *bo, unsigned reloc,
	unsigned offset, unsigned size)
	{
	struct nouveau_grobj *eng2d = nv50->screen->eng2d;

	reloc \|= NOUVEAU_BO_WR;

	so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
	so_data (so, NV50_2D_DST_FORMAT_R8_UNORM);
	so_data (so, 1);
	so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
	so_data (so, 262144);
	so_data (so, 65536);
	so_data (so, 1);
	so_reloc (so, bo, offset, reloc \| NOUVEAU_BO_HIGH, 0, 0);
	so_reloc (so, bo, offset, reloc \| NOUVEAU_BO_LOW, 0, 0);
	so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
	so_data (so, 0);
	so_data (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
	so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
	so_data (so, size);
	so_data (so, 1);
	so_data (so, 0);
	so_data (so, 1);
	so_data (so, 0);
	so_data (so, 1);
	so_data (so, 0);
	so_data (so, 0);
	so_data (so, 0);
	so_data (so, 0);
	}