massive reduction of unneeded files

1 files changed, 0 insertions, 774 deletions

diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_ioctl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_ioctl.c
deleted file mode 100644
index 82379ebb3..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_ioctl.c
+++ /dev/null
@@ -1,774 +0,0 @@
-/*
-Copyright (C) The Weather Channel, Inc.  2002.
-Copyright (C) 2004 Nicolai Haehnle.
-All Rights Reserved.
-
-The Weather Channel (TM) funded Tungsten Graphics to develop the
-initial release of the Radeon 8500 driver under the XFree86 license.
-This notice must be preserved.
-
-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 (including the
-next paragraph) 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
-
-**************************************************************************/
-
-/*
- * Authors:
- *   Keith Whitwell <keith@tungstengraphics.com>
- *   Nicolai Haehnle <prefect_@gmx.net>
- */
-
-#include <sched.h>
-#include <errno.h>
-
-#include "glheader.h"
-#include "imports.h"
-#include "macros.h"
-#include "context.h"
-#include "swrast/swrast.h"
-
-#include "r300_context.h"
-#include "radeon_ioctl.h"
-#include "r300_ioctl.h"
-#include "r300_cmdbuf.h"
-#include "r300_state.h"
-#include "r300_program.h"
-#include "radeon_reg.h"
-#include "r300_emit.h"
-
-#include "vblank.h"
-
-//#define CB_DPATH
-
-#define CLEARBUFFER_COLOR	0x1
-#define CLEARBUFFER_DEPTH	0x2
-#define CLEARBUFFER_STENCIL	0x4
-
-static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer)
-{
-	GLcontext* ctx = r300->radeon.glCtx;
-	__DRIdrawablePrivate *dPriv = r300->radeon.dri.drawable;
-	GLuint cboffset, cbpitch;
-	drm_r300_cmd_header_t* cmd2;
-#ifdef CB_DPATH
-	r300ContextPtr rmesa=r300;
-	LOCAL_VARS;
-#else
-	int i;
-#endif
-	
-	if (RADEON_DEBUG & DEBUG_IOCTL)
-		fprintf(stderr, "%s: %s buffer (%i,%i %ix%i)\n",
-			__FUNCTION__, buffer ? "back" : "front",
-			dPriv->x, dPriv->y, dPriv->w, dPriv->h);
-
-	if (buffer) {
-		cboffset = r300->radeon.radeonScreen->backOffset;
-		cbpitch = r300->radeon.radeonScreen->backPitch;
-	} else {
-		cboffset = r300->radeon.radeonScreen->frontOffset;
-		cbpitch = r300->radeon.radeonScreen->frontPitch;
-	}
-
-	cboffset += r300->radeon.radeonScreen->fbLocation;
-
-#ifndef CB_DPATH
-	R300_STATECHANGE(r300, vir[0]);
-	((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->packet0.count = 1;
-	r300->hw.vir[0].cmd[1] = 0x21030003;
-
-	R300_STATECHANGE(r300, vir[1]);
-	((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->packet0.count = 1;
-	r300->hw.vir[1].cmd[1] = 0xF688F688;
-
-	R300_STATECHANGE(r300, vic);
-	r300->hw.vic.cmd[R300_VIC_CNTL_0] = 0x00000001;
-	r300->hw.vic.cmd[R300_VIC_CNTL_1] = 0x00000405;
-	
-	R300_STATECHANGE(r300, vof);
-	r300->hw.vof.cmd[R300_VOF_CNTL_0] = R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
-				| R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
-	r300->hw.vof.cmd[R300_VOF_CNTL_1] = 0; /* no textures */
-	
-	R300_STATECHANGE(r300, txe);
-	r300->hw.txe.cmd[R300_TXE_ENABLE] = 0;
-	
-	R300_STATECHANGE(r300, vpt);
-	r300->hw.vpt.cmd[R300_VPT_XSCALE] = r300PackFloat32(1.0);
-	r300->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(dPriv->x);
-	r300->hw.vpt.cmd[R300_VPT_YSCALE] = r300PackFloat32(1.0);
-	r300->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(dPriv->y);
-	r300->hw.vpt.cmd[R300_VPT_ZSCALE] = r300PackFloat32(1.0);
-	r300->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(0.0);
-
-	R300_STATECHANGE(r300, at);
-	r300->hw.at.cmd[R300_AT_ALPHA_TEST] = 0;
-	
-	R300_STATECHANGE(r300, bld);
-	r300->hw.bld.cmd[R300_BLD_CBLEND] = 0;
-	r300->hw.bld.cmd[R300_BLD_ABLEND] = 0;
-	
-	if (r300->radeon.radeonScreen->cpp == 4)
-		cbpitch |= R300_COLOR_FORMAT_ARGB8888;
-	else
-		cbpitch |= R300_COLOR_FORMAT_RGB565;
-	
-	if (r300->radeon.sarea->tiling_enabled)
-		cbpitch |= R300_COLOR_TILE_ENABLE;
-	
-	R300_STATECHANGE(r300, cb);
-	r300->hw.cb.cmd[R300_CB_OFFSET] = cboffset;
-	r300->hw.cb.cmd[R300_CB_PITCH] = cbpitch;
-
-	R300_STATECHANGE(r300, unk221C);
-	r300->hw.unk221C.cmd[1] = R300_221C_CLEAR;
-
-	R300_STATECHANGE(r300, ps);
-	r300->hw.ps.cmd[R300_PS_POINTSIZE] =
-		((dPriv->w * 6) << R300_POINTSIZE_X_SHIFT) |
-		((dPriv->h * 6) << R300_POINTSIZE_Y_SHIFT);
-
-	R300_STATECHANGE(r300, ri);
-	for(i = 1; i <= 8; ++i)
-		r300->hw.ri.cmd[i] = R300_RS_INTERP_USED;
-
-	R300_STATECHANGE(r300, rc);
-	/* The second constant is needed to get glxgears display anything .. */
-	r300->hw.rc.cmd[1] = (1 << R300_RS_CNTL_CI_CNT_SHIFT) | R300_RS_CNTL_0_UNKNOWN_18;
-	r300->hw.rc.cmd[2] = 0;
-	
-	R300_STATECHANGE(r300, rr);
-	((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->packet0.count = 1;
-	r300->hw.rr.cmd[1] = 0x00004000;
-
-	R300_STATECHANGE(r300, cmk);
-	if (flags & CLEARBUFFER_COLOR) {
-		r300->hw.cmk.cmd[R300_CMK_COLORMASK] =
-			(ctx->Color.ColorMask[BCOMP] ? R300_COLORMASK0_B : 0) |
-			(ctx->Color.ColorMask[GCOMP] ? R300_COLORMASK0_G : 0) |
-			(ctx->Color.ColorMask[RCOMP] ? R300_COLORMASK0_R : 0) |
-			(ctx->Color.ColorMask[ACOMP] ? R300_COLORMASK0_A : 0);
-	} else {
-		r300->hw.cmk.cmd[R300_CMK_COLORMASK] = 0;
-	}
-
-	R300_STATECHANGE(r300, fp);
-	r300->hw.fp.cmd[R300_FP_CNTL0] = 0; /* 1 pass, no textures */
-	r300->hw.fp.cmd[R300_FP_CNTL1] = 0; /* no temporaries */
-	r300->hw.fp.cmd[R300_FP_CNTL2] = 0; /* no offset, one ALU instr */
-	r300->hw.fp.cmd[R300_FP_NODE0] = 0;
-	r300->hw.fp.cmd[R300_FP_NODE1] = 0;
-	r300->hw.fp.cmd[R300_FP_NODE2] = 0;
-	r300->hw.fp.cmd[R300_FP_NODE3] = R300_PFS_NODE_LAST_NODE;
-
-	R300_STATECHANGE(r300, fpi[0]);
-	R300_STATECHANGE(r300, fpi[1]);
-	R300_STATECHANGE(r300, fpi[2]);
-	R300_STATECHANGE(r300, fpi[3]);
-	((drm_r300_cmd_header_t*)r300->hw.fpi[0].cmd)->packet0.count = 1;
-	((drm_r300_cmd_header_t*)r300->hw.fpi[1].cmd)->packet0.count = 1;
-	((drm_r300_cmd_header_t*)r300->hw.fpi[2].cmd)->packet0.count = 1;
-	((drm_r300_cmd_header_t*)r300->hw.fpi[3].cmd)->packet0.count = 1;
-
-	/* MOV o0, t0 */
-	r300->hw.fpi[0].cmd[1] = FP_INSTRC(MAD, FP_ARGC(SRC0C_XYZ), FP_ARGC(ONE), FP_ARGC(ZERO));
-	r300->hw.fpi[1].cmd[1] = FP_SELC(0,NO,XYZ,FP_TMP(0),0,0);
-	r300->hw.fpi[2].cmd[1] = FP_INSTRA(MAD, FP_ARGA(SRC0A), FP_ARGA(ONE), FP_ARGA(ZERO));
-	r300->hw.fpi[3].cmd[1] = FP_SELA(0,NO,W,FP_TMP(0),0,0);
-
-	R300_STATECHANGE(r300, pvs);
-	r300->hw.pvs.cmd[R300_PVS_CNTL_1] =
-		(0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) |
-		(0 << R300_PVS_CNTL_1_POS_END_SHIFT) |
-		(1 << R300_PVS_CNTL_1_PROGRAM_END_SHIFT);
-	r300->hw.pvs.cmd[R300_PVS_CNTL_2] = 0; /* no parameters */
-	r300->hw.pvs.cmd[R300_PVS_CNTL_3] =
-		(1 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT);
-
-	R300_STATECHANGE(r300, vpi);
-	((drm_r300_cmd_header_t*)r300->hw.vpi.cmd)->packet0.count = 8;
-
-	/* MOV o0, i0; */
-	r300->hw.vpi.cmd[1] = VP_OUT(ADD,OUT,0,XYZW);
-	r300->hw.vpi.cmd[2] = VP_IN(IN,0);
-	r300->hw.vpi.cmd[3] = VP_ZERO();
-	r300->hw.vpi.cmd[4] = 0;
-
-	/* MOV o1, i1; */
-	r300->hw.vpi.cmd[5] = VP_OUT(ADD,OUT,1,XYZW);
-	r300->hw.vpi.cmd[6] = VP_IN(IN,1);
-	r300->hw.vpi.cmd[7] = VP_ZERO();
-	r300->hw.vpi.cmd[8] = 0;
-
-	R300_STATECHANGE(r300, zs);
-	if (flags & CLEARBUFFER_DEPTH) {
-		r300->hw.zs.cmd[R300_ZS_CNTL_0] &= R300_RB3D_STENCIL_ENABLE;
-		r300->hw.zs.cmd[R300_ZS_CNTL_0] |= 0x6; // test and write
-		r300->hw.zs.cmd[R300_ZS_CNTL_1] &= ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
-		r300->hw.zs.cmd[R300_ZS_CNTL_1] |= (R300_ZS_ALWAYS<<R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
-/*
-		R300_STATECHANGE(r300, zb);
-		r300->hw.zb.cmd[R300_ZB_OFFSET] =
-			1024*4*300 +
-			r300->radeon.radeonScreen->frontOffset +
-			r300->radeon.radeonScreen->fbLocation;
-		r300->hw.zb.cmd[R300_ZB_PITCH] =
-			r300->radeon.radeonScreen->depthPitch;
-*/
-	} else {
-		r300->hw.zs.cmd[R300_ZS_CNTL_0] &= R300_RB3D_STENCIL_ENABLE;
-		r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_Z_DISABLED_1; // disable
-		r300->hw.zs.cmd[R300_ZS_CNTL_1] &= ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
-	}
-	
-	R300_STATECHANGE(r300, zs);
-	if (flags & CLEARBUFFER_STENCIL) {
-		r300->hw.zs.cmd[R300_ZS_CNTL_0] &= ~R300_RB3D_STENCIL_ENABLE;
-		r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_STENCIL_ENABLE;
-		r300->hw.zs.cmd[R300_ZS_CNTL_1] &= 
-		    ~((R300_ZS_MASK << R300_RB3D_ZS1_FRONT_FUNC_SHIFT) | (R300_ZS_MASK << R300_RB3D_ZS1_BACK_FUNC_SHIFT));
-		r300->hw.zs.cmd[R300_ZS_CNTL_1] |= 
-		    (R300_ZS_ALWAYS<<R300_RB3D_ZS1_FRONT_FUNC_SHIFT) | 
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT) |
-		    (R300_ZS_ALWAYS<<R300_RB3D_ZS1_BACK_FUNC_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT) ;
-		r300->hw.zs.cmd[R300_ZS_CNTL_2] = r300->state.stencil.clear;
-	}
-			
-	/* Make sure we have enough space */
-	r300EnsureCmdBufSpace(r300, r300->hw.max_state_size + 9+8, __FUNCTION__);
-
-	r300EmitState(r300);
-#else
-	R300_STATECHANGE(r300, cb);
-	reg_start(R300_RB3D_COLOROFFSET0, 0);
-	e32(cboffset);
-	
-	if (r300->radeon.radeonScreen->cpp == 4)
-		cbpitch |= R300_COLOR_FORMAT_ARGB8888;
-	else
-		cbpitch |= R300_COLOR_FORMAT_RGB565;
-	
-	reg_start(R300_RB3D_COLORPITCH0, 0);
-	e32(cbpitch);
-
-	R300_STATECHANGE(r300, cmk);
-	reg_start(R300_RB3D_COLORMASK, 0);
-	
-	if (flags & CLEARBUFFER_COLOR) {
-		e32((ctx->Color.ColorMask[BCOMP] ? R300_COLORMASK0_B : 0) |
-			(ctx->Color.ColorMask[GCOMP] ? R300_COLORMASK0_G : 0) |
-			(ctx->Color.ColorMask[RCOMP] ? R300_COLORMASK0_R : 0) |
-			(ctx->Color.ColorMask[ACOMP] ? R300_COLORMASK0_A : 0));
-	} else {
-		e32(0);
-	}
-	
-	R300_STATECHANGE(r300, zs);
-	reg_start(R300_RB3D_ZSTENCIL_CNTL_0, 2);
-	
-	{
-	uint32_t t1, t2;
-	
-	t1 = r300->hw.zs.cmd[R300_ZS_CNTL_0];
-	t2 = r300->hw.zs.cmd[R300_ZS_CNTL_1];
-	
-	if (flags & CLEARBUFFER_DEPTH) {
-		t1 &= R300_RB3D_STENCIL_ENABLE;
-		t1 |= 0x6; // test and write
-		
-		t2 &= ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
-		t2 |= (R300_ZS_ALWAYS<<R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
-/*
-		R300_STATECHANGE(r300, zb);
-		r300->hw.zb.cmd[R300_ZB_OFFSET] =
-			1024*4*300 +
-			r300->radeon.radeonScreen->frontOffset +
-			r300->radeon.radeonScreen->fbLocation;
-		r300->hw.zb.cmd[R300_ZB_PITCH] =
-			r300->radeon.radeonScreen->depthPitch;
-*/
-	} else {
-		t1 &= R300_RB3D_STENCIL_ENABLE;
-		t1 |= R300_RB3D_Z_DISABLED_1; // disable
-		
-		t2 &= ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
-	}
-	
-	if (flags & CLEARBUFFER_STENCIL) {
-		t1 &= ~R300_RB3D_STENCIL_ENABLE;
-		t1 |= R300_RB3D_STENCIL_ENABLE;
-		
-		t2 &= 
-		    ~((R300_ZS_MASK << R300_RB3D_ZS1_FRONT_FUNC_SHIFT) | (R300_ZS_MASK << R300_RB3D_ZS1_BACK_FUNC_SHIFT));
-		t2 |= 
-		    (R300_ZS_ALWAYS<<R300_RB3D_ZS1_FRONT_FUNC_SHIFT) | 
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT) |
-		    (R300_ZS_ALWAYS<<R300_RB3D_ZS1_BACK_FUNC_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT) |
-		    (R300_ZS_REPLACE<<R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT) ;
-	}
-	
-	e32(t1);
-	e32(t2);
-	e32(r300->state.stencil.clear);
-	}
-	
-#endif
-
-	cmd2 = (drm_r300_cmd_header_t*)r300AllocCmdBuf(r300, 9, __FUNCTION__);
-	cmd2[0].packet3.cmd_type = R300_CMD_PACKET3;
-	cmd2[0].packet3.packet = R300_CMD_PACKET3_CLEAR;
-	cmd2[1].u = r300PackFloat32(dPriv->w / 2.0);
-	cmd2[2].u = r300PackFloat32(dPriv->h / 2.0);
-	cmd2[3].u = r300PackFloat32(ctx->Depth.Clear);
-	cmd2[4].u = r300PackFloat32(1.0);
-	cmd2[5].u = r300PackFloat32(ctx->Color.ClearColor[0]);
-	cmd2[6].u = r300PackFloat32(ctx->Color.ClearColor[1]);
-	cmd2[7].u = r300PackFloat32(ctx->Color.ClearColor[2]);
-	cmd2[8].u = r300PackFloat32(ctx->Color.ClearColor[3]);
-
-}
-
-#ifdef CB_DPATH
-static void r300EmitClearState(GLcontext * ctx)
-{
-	r300ContextPtr r300 = R300_CONTEXT(ctx);
-	r300ContextPtr rmesa=r300;
-	__DRIdrawablePrivate *dPriv = r300->radeon.dri.drawable;
-	int i;
-	LOCAL_VARS;
-	
-	R300_STATECHANGE(r300, vir[0]);
-	reg_start(R300_VAP_INPUT_ROUTE_0_0, 0);
-	e32(0x21030003);
-	
-	R300_STATECHANGE(r300, vir[1]);
-	reg_start(R300_VAP_INPUT_ROUTE_1_0, 0);
-	e32(0xF688F688);
-
-	R300_STATECHANGE(r300, vic);
-	reg_start(R300_VAP_INPUT_CNTL_0, 1);
-	e32(0x00000001);
-	e32(0x00000405);
-	
-	R300_STATECHANGE(r300, vof);
-	reg_start(R300_VAP_OUTPUT_VTX_FMT_0, 1);
-	e32(R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT);
-	e32(0); /* no textures */
-		
-	
-	R300_STATECHANGE(r300, txe);
-	reg_start(R300_TX_ENABLE, 0);
-	e32(0);
-	
-	R300_STATECHANGE(r300, vpt);
-	reg_start(R300_SE_VPORT_XSCALE, 5);
-	efloat(1.0);
-	efloat(dPriv->x);
-	efloat(1.0);
-	efloat(dPriv->y);
-	efloat(1.0);
-	efloat(0.0);
-	
-	R300_STATECHANGE(r300, at);
-	reg_start(R300_PP_ALPHA_TEST, 0);
-	e32(0);
-	
-	R300_STATECHANGE(r300, bld);
-	reg_start(R300_RB3D_CBLEND, 1);
-	e32(0);
-	e32(0);
-	
-	R300_STATECHANGE(r300, unk221C);
-	reg_start(0x221C, 0);
-	e32(R300_221C_CLEAR);
-	
-	R300_STATECHANGE(r300, ps);
-	reg_start(R300_RE_POINTSIZE, 0);
-	e32(((dPriv->w * 6) << R300_POINTSIZE_X_SHIFT) |
-		((dPriv->h * 6) << R300_POINTSIZE_Y_SHIFT));
-	
-	R300_STATECHANGE(r300, ri);
-	reg_start(R300_RS_INTERP_0, 8);
-	for(i = 0; i < 8; ++i){
-		e32(R300_RS_INTERP_USED);
-	}
-
-	R300_STATECHANGE(r300, rc);
-	/* The second constant is needed to get glxgears display anything .. */
-	reg_start(R300_RS_CNTL_0, 1);
-	e32(R300_RS_CNTL_0_UNKNOWN_7 | R300_RS_CNTL_0_UNKNOWN_18);
-	e32(0);
-	
-	R300_STATECHANGE(r300, rr);
-	reg_start(R300_RS_ROUTE_0, 0);
-	e32(0x00004000);
-	
-	R300_STATECHANGE(r300, fp);
-	reg_start(R300_PFS_CNTL_0, 2);
-	e32(0);
-	e32(0);
-	e32(0);
-	reg_start(R300_PFS_NODE_0, 3);
-	e32(0);
-	e32(0);
-	e32(0);
-	e32(R300_PFS_NODE_LAST_NODE);
-	
-	R300_STATECHANGE(r300, fpi[0]);
-	R300_STATECHANGE(r300, fpi[1]);
-	R300_STATECHANGE(r300, fpi[2]);
-	R300_STATECHANGE(r300, fpi[3]);
-	
-	reg_start(R300_PFS_INSTR0_0, 0);
-	e32(FP_INSTRC(MAD, FP_ARGC(SRC0C_XYZ), FP_ARGC(ONE), FP_ARGC(ZERO)));
-	
-	reg_start(R300_PFS_INSTR1_0, 0);
-	e32(FP_SELC(0,NO,XYZ,FP_TMP(0),0,0));
-	
-	reg_start(R300_PFS_INSTR2_0, 0);
-	e32(FP_INSTRA(MAD, FP_ARGA(SRC0A), FP_ARGA(ONE), FP_ARGA(ZERO)));
-	
-	reg_start(R300_PFS_INSTR3_0, 0);
-	e32(FP_SELA(0,NO,W,FP_TMP(0),0,0));
-	
-	R300_STATECHANGE(r300, pvs);
-	reg_start(R300_VAP_PVS_CNTL_1, 2);
-	e32((0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) |
-		(0 << R300_PVS_CNTL_1_POS_END_SHIFT) |
-		(1 << R300_PVS_CNTL_1_PROGRAM_END_SHIFT));
-	e32(0);
-	e32(1 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT);
-	
-	R300_STATECHANGE(r300, vpi);
-	vsf_start_fragment(0x0, 8);
-	e32(VP_OUT(ADD,OUT,0,XYZW));
-	e32(VP_IN(IN,0));
-	e32(VP_ZERO());
-	e32(0);
-	
-	e32(VP_OUT(ADD,OUT,1,XYZW));
-	e32(VP_IN(IN,1));
-	e32(VP_ZERO());
-	e32(0);
-	
-}
-#endif
-
-/**
- * Buffer clear
- */
-static void r300Clear(GLcontext * ctx, GLbitfield mask, GLboolean all,
-		      GLint cx, GLint cy, GLint cw, GLint ch)
-{
-	r300ContextPtr r300 = R300_CONTEXT(ctx);
-	__DRIdrawablePrivate *dPriv = r300->radeon.dri.drawable;
-	int flags = 0;
-	int bits = 0;
-	int swapped;
-
-	if (RADEON_DEBUG & DEBUG_IOCTL)
-		fprintf(stderr, "%s:  all=%d cx=%d cy=%d cw=%d ch=%d\n",
-			__FUNCTION__, all, cx, cy, cw, ch);
-
-	{
-		LOCK_HARDWARE(&r300->radeon);
-		UNLOCK_HARDWARE(&r300->radeon);
-		if (dPriv->numClipRects == 0)
-			return;
-	}
-
-	if (mask & BUFFER_BIT_FRONT_LEFT) {
-		flags |= BUFFER_BIT_FRONT_LEFT;
-		mask &= ~BUFFER_BIT_FRONT_LEFT;
-	}
-
-	if (mask & BUFFER_BIT_BACK_LEFT) {
-		flags |= BUFFER_BIT_BACK_LEFT;
-		mask &= ~BUFFER_BIT_BACK_LEFT;
-	}
-
-	if (mask & BUFFER_BIT_DEPTH) {
-		bits |= CLEARBUFFER_DEPTH;
-		mask &= ~BUFFER_BIT_DEPTH;
-	}
-	
-	if ( (mask & BUFFER_BIT_STENCIL) && r300->state.stencil.hw_stencil) {
-		bits |= CLEARBUFFER_STENCIL;
-		mask &= ~BUFFER_BIT_STENCIL;
-	}
-
-	if (mask) {
-		if (RADEON_DEBUG & DEBUG_FALLBACKS)
-			fprintf(stderr, "%s: swrast clear, mask: %x\n",
-				__FUNCTION__, mask);
-		_swrast_Clear(ctx, mask, all, cx, cy, cw, ch);
-	}
-
-	swapped = r300->radeon.doPageFlip && (r300->radeon.sarea->pfCurrentPage == 1);
-
-#ifdef CB_DPATH
-	if(flags || bits)
-		r300EmitClearState(ctx);
-#endif
-
-	if (flags & BUFFER_BIT_FRONT_LEFT) {
-		r300ClearBuffer(r300, bits | CLEARBUFFER_COLOR, swapped);
-		bits = 0;
-	}
-
-	if (flags & BUFFER_BIT_BACK_LEFT) {
-		r300ClearBuffer(r300, bits | CLEARBUFFER_COLOR, swapped ^ 1);
-		bits = 0;
-	}
-
-	if (bits)
-		r300ClearBuffer(r300, bits, 0);
-
-#ifndef CB_DPATH
-	/* Recalculate the hardware state. This could be done more efficiently,
-	 * but do keep it like this for now.
-	 */
-	r300ResetHwState(r300);
-	
-	/* r300ClearBuffer has trampled all over the hardware state.. */
-	r300->hw.all_dirty=GL_TRUE;
-#endif
-}
-
-void r300Flush(GLcontext * ctx)
-{
-	r300ContextPtr r300 = R300_CONTEXT(ctx);
-
-	if (RADEON_DEBUG & DEBUG_IOCTL)
-		fprintf(stderr, "%s\n", __FUNCTION__);
-
-	if (r300->cmdbuf.count_used > r300->cmdbuf.count_reemit)
-		r300FlushCmdBuf(r300, __FUNCTION__);
-}
-
-void r300RefillCurrentDmaRegion(r300ContextPtr rmesa)
-{
-	struct r300_dma_buffer *dmabuf;
-	int fd = rmesa->radeon.dri.fd;
-	int index = 0;
-	int size = 0;
-	drmDMAReq dma;
-	int ret;
-	
-	if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA))
-		fprintf(stderr, "%s\n", __FUNCTION__);
-
-	if (rmesa->dma.flush) {
-		rmesa->dma.flush(rmesa);
-	}
-
-	if (rmesa->dma.current.buf)
-		r300ReleaseDmaRegion(rmesa, &rmesa->dma.current, __FUNCTION__);
-
-	if (rmesa->dma.nr_released_bufs > 4)
-		r300FlushCmdBuf(rmesa, __FUNCTION__);
-
-	dma.context = rmesa->radeon.dri.hwContext;
-	dma.send_count = 0;
-	dma.send_list = NULL;
-	dma.send_sizes = NULL;
-	dma.flags = 0;
-	dma.request_count = 1;
-	dma.request_size = RADEON_BUFFER_SIZE;
-	dma.request_list = &index;
-	dma.request_sizes = &size;
-	dma.granted_count = 0;
-
-	LOCK_HARDWARE(&rmesa->radeon);	/* no need to validate */
-
-	ret = drmDMA(fd, &dma);
-
-	if (ret != 0) {
-		/* Try to release some buffers and wait until we can't get any more */
-		if (rmesa->dma.nr_released_bufs) {
-			r300FlushCmdBufLocked(rmesa, __FUNCTION__);
-		}
-
-		if (RADEON_DEBUG & DEBUG_DMA)
-			fprintf(stderr, "Waiting for buffers\n");
-
-		radeonWaitForIdleLocked(&rmesa->radeon);
-		ret = drmDMA(fd, &dma);
-
-		if (ret != 0) {
-			UNLOCK_HARDWARE(&rmesa->radeon);
-			fprintf(stderr, "Error: Could not get dma buffer... exiting\n");
-			exit(-1);
-		}
-	}
-
-	UNLOCK_HARDWARE(&rmesa->radeon);
-
-	if (RADEON_DEBUG & DEBUG_DMA)
-		fprintf(stderr, "Allocated buffer %d\n", index);
-
-	dmabuf = CALLOC_STRUCT(r300_dma_buffer);
-	dmabuf->buf = &rmesa->radeon.radeonScreen->buffers->list[index];
-	dmabuf->refcount = 1;
-
-	rmesa->dma.current.buf = dmabuf;
-	rmesa->dma.current.address = dmabuf->buf->address;
-	rmesa->dma.current.end = dmabuf->buf->total;
-	rmesa->dma.current.start = 0;
-	rmesa->dma.current.ptr = 0;
-}
-
-void r300ReleaseDmaRegion(r300ContextPtr rmesa,
-			  struct r300_dma_region *region, const char *caller)
-{
-	if (RADEON_DEBUG & DEBUG_IOCTL)
-		fprintf(stderr, "%s from %s\n", __FUNCTION__, caller);
-
-	if (!region->buf)
-		return;
-
-	if (rmesa->dma.flush)
-		rmesa->dma.flush(rmesa);
-
-	if (--region->buf->refcount == 0) {
-		drm_radeon_cmd_header_t *cmd;
-
-		if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA))
-			fprintf(stderr, "%s -- DISCARD BUF %d\n", __FUNCTION__,
-				region->buf->buf->idx);
-		cmd =
-		    (drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa,
-								sizeof(*cmd) / 4,
-								__FUNCTION__);
-		cmd->dma.cmd_type = R300_CMD_DMA_DISCARD;
-		cmd->dma.buf_idx = region->buf->buf->idx;
-		
-		FREE(region->buf);
-		rmesa->dma.nr_released_bufs++;
-	}
-
-	region->buf = 0;
-	region->start = 0;
-}
-
-/* Allocates a region from rmesa->dma.current.  If there isn't enough
- * space in current, grab a new buffer (and discard what was left of current)
- */
-void r300AllocDmaRegion(r300ContextPtr rmesa,
-			struct r300_dma_region *region,
-			int bytes, int alignment)
-{
-	if (RADEON_DEBUG & DEBUG_IOCTL)
-		fprintf(stderr, "%s %d\n", __FUNCTION__, bytes);
-
-	if (rmesa->dma.flush)
-		rmesa->dma.flush(rmesa);
-
-	if (region->buf)
-		r300ReleaseDmaRegion(rmesa, region, __FUNCTION__);
-
-	alignment--;
-	rmesa->dma.current.start = rmesa->dma.current.ptr =
-	    (rmesa->dma.current.ptr + alignment) & ~alignment;
-
-	if (rmesa->dma.current.ptr + bytes > rmesa->dma.current.end)
-		r300RefillCurrentDmaRegion(rmesa);
-
-	region->start = rmesa->dma.current.start;
-	region->ptr = rmesa->dma.current.start;
-	region->end = rmesa->dma.current.start + bytes;
-	region->address = rmesa->dma.current.address;
-	region->buf = rmesa->dma.current.buf;
-	region->buf->refcount++;
-
-	rmesa->dma.current.ptr += bytes;	/* bug - if alignment > 7 */
-	rmesa->dma.current.start =
-	    rmesa->dma.current.ptr = (rmesa->dma.current.ptr + 0x7) & ~0x7;
-
-	assert(rmesa->dma.current.ptr <= rmesa->dma.current.end);
-}
-
-/* Called via glXGetMemoryOffsetMESA() */
-GLuint r300GetMemoryOffsetMESA(__DRInativeDisplay * dpy, int scrn,
-			       const GLvoid * pointer)
-{
-	GET_CURRENT_CONTEXT(ctx);
-	r300ContextPtr rmesa;
-	GLuint card_offset;
-
-	if (!ctx || !(rmesa = R300_CONTEXT(ctx))) {
-		fprintf(stderr, "%s: no context\n", __FUNCTION__);
-		return ~0;
-	}
-
-	if (!r300IsGartMemory(rmesa, pointer, 0))
-		return ~0;
-
-	if (rmesa->radeon.dri.drmMinor < 6)
-		return ~0;
-
-	card_offset = r300GartOffsetFromVirtual(rmesa, pointer);
-
-	return card_offset - rmesa->radeon.radeonScreen->gart_base;
-}
-
-GLboolean r300IsGartMemory(r300ContextPtr rmesa, const GLvoid * pointer,
-			   GLint size)
-{
-	int offset =
-	    (char *)pointer - (char *)rmesa->radeon.radeonScreen->gartTextures.map;
-	int valid = (size >= 0 && offset >= 0
-		     && offset + size < rmesa->radeon.radeonScreen->gartTextures.size);
-
-	if (RADEON_DEBUG & DEBUG_IOCTL)
-		fprintf(stderr, "r300IsGartMemory( %p ) : %d\n", pointer,
-			valid);
-
-	return valid;
-}
-
-GLuint r300GartOffsetFromVirtual(r300ContextPtr rmesa, const GLvoid * pointer)
-{
-	int offset =
-	    (char *)pointer - (char *)rmesa->radeon.radeonScreen->gartTextures.map;
-
-	//fprintf(stderr, "offset=%08x\n", offset);
-
-	if (offset < 0 || offset > rmesa->radeon.radeonScreen->gartTextures.size)
-		return ~0;
-	else
-		return rmesa->radeon.radeonScreen->gart_texture_offset + offset;
-}
-
-void r300InitIoctlFuncs(struct dd_function_table *functions)
-{
-	functions->Clear = r300Clear;
-	functions->Finish = radeonFinish;
-	functions->Flush = r300Flush;
-}