1 /* 2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. 3 4 The Weather Channel (TM) funded Tungsten Graphics to develop the 5 initial release of the Radeon 8500 driver under the XFree86 license. 6 This notice must be preserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining 9 a copy of this software and associated documentation files (the 10 "Software"), to deal in the Software without restriction, including 11 without limitation the rights to use, copy, modify, merge, publish, 12 distribute, sublicense, and/or sell copies of the Software, and to 13 permit persons to whom the Software is furnished to do so, subject to 14 the following conditions: 15 16 The above copyright notice and this permission notice (including the 17 next paragraph) shall be included in all copies or substantial 18 portions of the Software. 19 20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 28 **************************************************************************/ 29 30 /* 31 * Authors: 32 * Keith Whitwell <keithw (at) vmware.com> 33 */ 34 35 #include "main/glheader.h" 36 #include "main/mtypes.h" 37 #include "main/imports.h" 38 #include "main/macros.h" 39 #include "main/state.h" 40 41 #include "swrast_setup/swrast_setup.h" 42 #include "math/m_translate.h" 43 #include "tnl/tnl.h" 44 #include "tnl/t_context.h" 45 46 #include "r200_context.h" 47 #include "r200_ioctl.h" 48 #include "r200_state.h" 49 #include "r200_swtcl.h" 50 #include "r200_maos.h" 51 #include "r200_tcl.h" 52 53 #if defined(USE_X86_ASM) 54 #define COPY_DWORDS( dst, src, nr ) \ 55 do { \ 56 int __tmp; \ 57 __asm__ __volatile__( "rep ; movsl" \ 58 : "=%c" (__tmp), "=D" (dst), "=S" (__tmp) \ 59 : "0" (nr), \ 60 "D" ((long)dst), \ 61 "S" ((long)src) ); \ 62 } while (0) 63 #else 64 #define COPY_DWORDS( dst, src, nr ) \ 65 do { \ 66 int j; \ 67 for ( j = 0 ; j < nr ; j++ ) \ 68 dst[j] = ((int *)src)[j]; \ 69 dst += nr; \ 70 } while (0) 71 #endif 72 73 /* Emit any changed arrays to new GART memory, re-emit a packet to 74 * update the arrays. 75 */ 76 void r200EmitArrays( struct gl_context *ctx, GLubyte *vimap_rev ) 77 { 78 r200ContextPtr rmesa = R200_CONTEXT( ctx ); 79 struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb; 80 GLuint nr = 0; 81 GLuint vfmt0 = 0, vfmt1 = 0; 82 GLuint count = VB->Count; 83 GLuint i, emitsize; 84 85 // fprintf(stderr,"emit arrays\n"); 86 for ( i = 0; i < 15; i++ ) { 87 GLubyte attrib = vimap_rev[i]; 88 if (attrib != 255) { 89 switch (i) { 90 case 0: 91 emitsize = (VB->AttribPtr[attrib]->size); 92 switch (emitsize) { 93 case 4: 94 vfmt0 |= R200_VTX_W0; 95 /* fallthrough */ 96 case 3: 97 vfmt0 |= R200_VTX_Z0; 98 break; 99 case 2: 100 break; 101 default: assert(0); 102 } 103 break; 104 case 1: 105 unreachable("r200: vertex weight attrib unsupported"); 106 break; 107 case 2: 108 assert(attrib == VERT_ATTRIB_NORMAL); 109 emitsize = 3; 110 vfmt0 |= R200_VTX_N0; 111 break; 112 case 3: 113 /* special handling to fix up fog. Will get us into trouble with vbos...*/ 114 assert(attrib == VERT_ATTRIB_FOG); 115 if (!rmesa->radeon.tcl.aos[i].bo) { 116 if (_mesa_arb_vertex_program_enabled(ctx)) 117 rcommon_emit_vector( ctx, 118 &(rmesa->radeon.tcl.aos[nr]), 119 (char *)VB->AttribPtr[attrib]->data, 120 1, 121 VB->AttribPtr[attrib]->stride, 122 count); 123 else 124 rcommon_emit_vecfog( ctx, 125 &(rmesa->radeon.tcl.aos[nr]), 126 (char *)VB->AttribPtr[attrib]->data, 127 VB->AttribPtr[attrib]->stride, 128 count); 129 } 130 vfmt0 |= R200_VTX_DISCRETE_FOG; 131 goto after_emit; 132 break; 133 case 4: 134 case 5: 135 case 6: 136 case 7: 137 if (VB->AttribPtr[attrib]->size == 4 && 138 (VB->AttribPtr[attrib]->stride != 0 || 139 VB->AttribPtr[attrib]->data[0][3] != 1.0)) emitsize = 4; 140 else emitsize = 3; 141 if (emitsize == 4) 142 vfmt0 |= R200_VTX_FP_RGBA << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2); 143 else { 144 vfmt0 |= R200_VTX_FP_RGB << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2); 145 } 146 break; 147 case 8: 148 case 9: 149 case 10: 150 case 11: 151 case 12: 152 case 13: 153 emitsize = VB->AttribPtr[attrib]->size; 154 vfmt1 |= emitsize << (R200_VTX_TEX0_COMP_CNT_SHIFT + (i - 8) * 3); 155 break; 156 case 14: 157 emitsize = VB->AttribPtr[attrib]->size >= 2 ? VB->AttribPtr[attrib]->size : 2; 158 switch (emitsize) { 159 case 2: 160 vfmt0 |= R200_VTX_XY1; 161 /* fallthrough */ 162 case 3: 163 vfmt0 |= R200_VTX_Z1; 164 /* fallthrough */ 165 case 4: 166 vfmt0 |= R200_VTX_W1; 167 /* fallthrough */ 168 } 169 break; 170 default: 171 assert(0); 172 emitsize = 0; 173 } 174 if (!rmesa->radeon.tcl.aos[nr].bo) { 175 rcommon_emit_vector( ctx, 176 &(rmesa->radeon.tcl.aos[nr]), 177 (char *)VB->AttribPtr[attrib]->data, 178 emitsize, 179 VB->AttribPtr[attrib]->stride, 180 count ); 181 } 182 after_emit: 183 assert(nr < 12); 184 nr++; 185 } 186 } 187 188 if (vfmt0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0] || 189 vfmt1 != rmesa->hw.vtx.cmd[VTX_VTXFMT_1]) { 190 R200_STATECHANGE( rmesa, vtx ); 191 rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = vfmt0; 192 rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = vfmt1; 193 } 194 195 rmesa->radeon.tcl.aos_count = nr; 196 } 197 198
