diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_ioctl.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_ioctl.c | 774 |
1 files changed, 774 insertions, 0 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 new file mode 100644 index 000000000..82379ebb3 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_ioctl.c @@ -0,0 +1,774 @@ +/* +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; +} |