ReactOS  0.4.14-dev-297-g23e575c
Functions
vbrender.h File Reference
#include "types.h"
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Functions

void gl_render_vb (GLcontext *ctx, GLboolean alldone)
 
void gl_reset_vb (GLcontext *ctx, GLboolean allDone)
 

Function Documentation

◆ gl_render_vb()

void gl_render_vb ( GLcontext *  ctx,
GLboolean  alldone 
)

Definition at line 774 of file vbrender.c.

775 {
776  struct vertex_buffer *VB = ctx->VB;
777  GLuint vlist[VB_SIZE];
778 
779  switch (ctx->Primitive) {
780  case GL_POINTS:
781  START_PROFILE
782  (*ctx->Driver.PointsFunc)( ctx, 0, VB->Count-1 );
783  END_PROFILE( ctx->PointTime, ctx->PointCount, VB->Count )
784  break;
785 
786  case GL_LINES:
787  if (VB->ClipOrMask) {
788  GLuint i;
789  for (i=1;i<VB->Count;i+=2) {
790  if (VB->ClipMask[i-1] | VB->ClipMask[i]) {
791  render_clipped_line( ctx, i-1, i );
792  }
793  else {
794  START_PROFILE
795  (*ctx->Driver.LineFunc)( ctx, i-1, i, i );
796  END_PROFILE( ctx->LineTime, ctx->LineCount, 1 )
797  }
798  ctx->StippleCounter = 0;
799  }
800  }
801  else {
802  GLuint i;
803  for (i=1;i<VB->Count;i+=2) {
804  START_PROFILE
805  (*ctx->Driver.LineFunc)( ctx, i-1, i, i );
806  END_PROFILE( ctx->LineTime, ctx->LineCount, 1 )
807  ctx->StippleCounter = 0;
808  }
809  }
810  break;
811 
812  case GL_LINE_STRIP:
813  if (VB->ClipOrMask) {
814  GLuint i;
815  for (i=1;i<VB->Count;i++) {
816  if (VB->ClipMask[i-1] | VB->ClipMask[i]) {
817  render_clipped_line( ctx, i-1, i );
818  }
819  else {
820  START_PROFILE
821  (*ctx->Driver.LineFunc)( ctx, i-1, i, i );
822  END_PROFILE( ctx->LineTime, ctx->LineCount, 1 )
823  }
824  }
825  }
826  else {
827  /* no clipping needed */
828  GLuint i;
829  for (i=1;i<VB->Count;i++) {
830  START_PROFILE
831  (*ctx->Driver.LineFunc)( ctx, i-1, i, i );
832  END_PROFILE( ctx->LineTime, ctx->LineCount, 1 )
833  }
834  }
835  break;
836 
837  case GL_LINE_LOOP:
838  {
839  GLuint i;
840  if (VB->Start==0) {
841  i = 1; /* start at 0th vertex */
842  }
843  else {
844  i = 2; /* skip first vertex, we're saving it until glEnd */
845  }
846  while (i<VB->Count) {
847  if (VB->ClipMask[i-1] | VB->ClipMask[i]) {
848  render_clipped_line( ctx, i-1, i );
849  }
850  else {
851  START_PROFILE
852  (*ctx->Driver.LineFunc)( ctx, i-1, i, i );
853  END_PROFILE( ctx->LineTime, ctx->LineCount, 1 )
854  }
855  i++;
856  }
857  }
858  break;
859 
860  case GL_TRIANGLES:
861  if (VB->ClipOrMask) {
862  GLuint i;
863  for (i=2;i<VB->Count;i+=3) {
864  if (VB->ClipMask[i-2] & VB->ClipMask[i-1]
865  & VB->ClipMask[i] & CLIP_ALL_BITS) {
866  /* all points clipped by common plane */
867  continue;
868  }
869  else if (VB->ClipMask[i-2] | VB->ClipMask[i-1] | VB->ClipMask[i]) {
870  vlist[0] = i-2;
871  vlist[1] = i-1;
872  vlist[2] = i-0;
873  render_clipped_polygon( ctx, 3, vlist );
874  }
875  else {
876  if (ctx->DirectTriangles) {
877  START_PROFILE
878  (*ctx->Driver.TriangleFunc)( ctx, i-2, i-1, i, i );
879  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 1 )
880  }
881  else {
882  render_triangle( ctx, i-2, i-1, i, i );
883  }
884  }
885  }
886  }
887  else {
888  /* no clipping needed */
889  GLuint i;
890  if (ctx->DirectTriangles) {
891  for (i=2;i<VB->Count;i+=3) {
892  START_PROFILE
893  (*ctx->Driver.TriangleFunc)( ctx, i-2, i-1, i, i );
894  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 1 )
895  }
896  }
897  else {
898  for (i=2;i<VB->Count;i+=3) {
899  render_triangle( ctx, i-2, i-1, i, i );
900  }
901  }
902  }
903  break;
904 
905  case GL_TRIANGLE_STRIP:
906  if (VB->ClipOrMask) {
907  GLuint i;
908  for (i=2;i<VB->Count;i++) {
909  if (VB->ClipMask[i-2] & VB->ClipMask[i-1]
910  & VB->ClipMask[i] & CLIP_ALL_BITS) {
911  /* all points clipped by common plane */
912  continue;
913  }
914  else if (VB->ClipMask[i-2] | VB->ClipMask[i-1] | VB->ClipMask[i]) {
915  if (i&1) {
916  /* reverse vertex order */
917  vlist[0] = i-1;
918  vlist[1] = i-2;
919  vlist[2] = i-0;
920  render_clipped_polygon( ctx, 3, vlist );
921  }
922  else {
923  vlist[0] = i-2;
924  vlist[1] = i-1;
925  vlist[2] = i-0;
926  render_clipped_polygon( ctx, 3, vlist );
927  }
928  }
929  else {
930  if (ctx->DirectTriangles) {
931  START_PROFILE
932  (*ctx->Driver.TriangleFunc)( ctx, i-2, i-1, i, i );
933  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 1 )
934  }
935  else {
936  if (i&1)
937  render_triangle( ctx, i, i-1, i-2, i );
938  else
939  render_triangle( ctx, i-2, i-1, i, i );
940  }
941  }
942  }
943  }
944  else {
945  /* no vertices were clipped */
946  GLuint i;
947  if (ctx->DirectTriangles) {
948  for (i=2;i<VB->Count;i++) {
949  START_PROFILE
950  (*ctx->Driver.TriangleFunc)( ctx, i-2, i-1, i, i );
951  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 1 )
952  }
953  }
954  else {
955  for (i=2;i<VB->Count;i++) {
956  if (i&1)
957  render_triangle( ctx, i, i-1, i-2, i );
958  else
959  render_triangle( ctx, i-2, i-1, i, i );
960  }
961  }
962  }
963  break;
964 
965  case GL_TRIANGLE_FAN:
966  if (VB->ClipOrMask) {
967  GLuint i;
968  for (i=2;i<VB->Count;i++) {
969  if (VB->ClipMask[0] & VB->ClipMask[i-1] & VB->ClipMask[i]
970  & CLIP_ALL_BITS) {
971  /* all points clipped by common plane */
972  continue;
973  }
974  else if (VB->ClipMask[0] | VB->ClipMask[i-1] | VB->ClipMask[i]) {
975  vlist[0] = 0;
976  vlist[1] = i-1;
977  vlist[2] = i;
978  render_clipped_polygon( ctx, 3, vlist );
979  }
980  else {
981  if (ctx->DirectTriangles) {
982  START_PROFILE
983  (*ctx->Driver.TriangleFunc)( ctx, 0, i-1, i, i );
984  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 1 )
985  }
986  else {
987  render_triangle( ctx, 0, i-1, i, i );
988  }
989  }
990  }
991  }
992  else {
993  /* no clipping needed */
994  GLuint i;
995  if (ctx->DirectTriangles) {
996  for (i=2;i<VB->Count;i++) {
997  START_PROFILE
998  (*ctx->Driver.TriangleFunc)( ctx, 0, i-1, i, i );
999  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 1 )
1000  }
1001  }
1002  else {
1003  for (i=2;i<VB->Count;i++) {
1004  render_triangle( ctx, 0, i-1, i, i );
1005  }
1006  }
1007  }
1008  break;
1009 
1010  case GL_QUADS:
1011  if (VB->ClipOrMask) {
1012  GLuint i;
1013  for (i=3;i<VB->Count;i+=4) {
1014  if (VB->ClipMask[i-3] & VB->ClipMask[i-2]
1015  & VB->ClipMask[i-1] & VB->ClipMask[i] & CLIP_ALL_BITS) {
1016  /* all points clipped by common plane */
1017  continue;
1018  }
1019  else if (VB->ClipMask[i-3] | VB->ClipMask[i-2]
1020  | VB->ClipMask[i-1] | VB->ClipMask[i]) {
1021  vlist[0] = i-3;
1022  vlist[1] = i-2;
1023  vlist[2] = i-1;
1024  vlist[3] = i-0;
1025  render_clipped_polygon( ctx, 4, vlist );
1026  }
1027  else {
1028  if (ctx->DirectTriangles) {
1029  START_PROFILE
1030  (*ctx->Driver.QuadFunc)( ctx, i-3, i-2, i-1, i, i );
1031  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 2 )
1032  }
1033  else {
1034  render_quad( ctx, i-3, i-2, i-1, i, i );
1035  }
1036  }
1037  }
1038  }
1039  else {
1040  /* no vertices were clipped */
1041  GLuint i;
1042  if (ctx->DirectTriangles) {
1043  for (i=3;i<VB->Count;i+=4) {
1044  START_PROFILE
1045  (*ctx->Driver.QuadFunc)( ctx, i-3, i-2, i-1, i, i );
1046  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 2 )
1047  }
1048  }
1049  else {
1050  for (i=3;i<VB->Count;i+=4) {
1051  render_quad( ctx, i-3, i-2, i-1, i, i );
1052  }
1053  }
1054  }
1055  break;
1056 
1057  case GL_QUAD_STRIP:
1058  if (VB->ClipOrMask) {
1059  GLuint i;
1060  for (i=3;i<VB->Count;i+=2) {
1061  if (VB->ClipMask[i-2] & VB->ClipMask[i-3]
1062  & VB->ClipMask[i-1] & VB->ClipMask[i] & CLIP_ALL_BITS) {
1063  /* all points clipped by common plane */
1064  continue;
1065  }
1066  else if (VB->ClipMask[i-2] | VB->ClipMask[i-3]
1067  | VB->ClipMask[i-1] | VB->ClipMask[i]) {
1068  vlist[0] = i-1;
1069  vlist[1] = i-3;
1070  vlist[2] = i-2;
1071  vlist[3] = i-0;
1072  render_clipped_polygon( ctx, 4, vlist );
1073  }
1074  else {
1075  if (ctx->DirectTriangles) {
1076  START_PROFILE
1077  (*ctx->Driver.QuadFunc)( ctx, i-3, i-2, i, i-1, i );
1078  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 2 )
1079  }
1080  else {
1081  render_quad( ctx, i-3, i-2, i, i-1, i );
1082  }
1083  }
1084  }
1085  }
1086  else {
1087  /* no clipping needed */
1088  GLuint i;
1089  if (ctx->DirectTriangles) {
1090  for (i=3;i<VB->Count;i+=2) {
1091  START_PROFILE
1092  (*ctx->Driver.QuadFunc)( ctx, i-3, i-2, i, i-1, i );
1093  END_PROFILE( ctx->PolygonTime, ctx->PolygonCount, 2 )
1094  }
1095  }
1096  else {
1097  for (i=3;i<VB->Count;i+=2) {
1098  render_quad( ctx, i-3, i-2, i, i-1, i );
1099  }
1100  }
1101  }
1102  break;
1103 
1104  case GL_POLYGON:
1105  if (VB->Count>2) {
1106  if (VB->ClipAndMask & CLIP_ALL_BITS) {
1107  /* all points clipped by common plane, draw nothing */
1108  break;
1109  }
1110  if (VB->ClipOrMask) {
1111  /* need clipping */
1112  GLuint i;
1113  for (i=0;i<VB->Count;i++) {
1114  vlist[i] = i;
1115  }
1116  render_clipped_polygon( ctx, VB->Count, vlist );
1117  }
1118  else {
1119  /* no clipping needed */
1120  static GLuint const_vlist[VB_SIZE];
1121  static GLboolean initFlag = GL_TRUE;
1122  if (initFlag) {
1123  /* vertex list always the same, never changes */
1124  GLuint i;
1125  for (i=0;i<VB_SIZE;i++) {
1126  const_vlist[i] = i;
1127  }
1128  initFlag = GL_FALSE;
1129  }
1130  render_polygon( ctx, VB->Count, const_vlist );
1131  }
1132  }
1133  break;
1134 
1135  default:
1136  /* should never get here */
1137  gl_problem( ctx, "invalid mode in gl_render_vb" );
1138  }
1139 
1140  gl_reset_vb( ctx, allDone );
1141 }
GL_TRIANGLES
#define GL_TRIANGLES
Definition: gl.h:194
CLIP_ALL_BITS
#define CLIP_ALL_BITS
Definition: vbrender.c:1144
GL_QUADS
#define GL_QUADS
Definition: gl.h:197
GL_POINTS
#define GL_POINTS
Definition: gl.h:190
GL_FALSE
#define GL_FALSE
Definition: gl.h:173
Count
_Inout_ __drv_aliasesMem PSLIST_ENTRY _Inout_ PSLIST_ENTRY _In_ ULONG Count
Definition: exfuncs.h:1015
START_PROFILE
#define START_PROFILE
Definition: vbrender.c:138
gl_reset_vb
void gl_reset_vb(GLcontext *ctx, GLboolean allDone)
Definition: vbrender.c:1155
gl_context::StippleCounter
GLuint StippleCounter
Definition: types.h:1358
GL_LINE_LOOP
#define GL_LINE_LOOP
Definition: gl.h:192
gl_context::DirectTriangles
GLboolean DirectTriangles
Definition: types.h:1363
gl_context::Driver
struct dd_function_table Driver
Definition: types.h:1276
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLboolean
unsigned char GLboolean
Definition: gl.h:151
GL_TRIANGLE_FAN
#define GL_TRIANGLE_FAN
Definition: gl.h:196
render_triangle
static void render_triangle(GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint pv)
Definition: vbrender.c:601
gl_context::Primitive
GLenum Primitive
Definition: types.h:1357
GL_LINE_STRIP
#define GL_LINE_STRIP
Definition: gl.h:193
if
if(!(yy_init))
Definition: macro.lex.yy.c:714
render_quad
static void render_quad(GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint v3, GLuint pv)
Definition: vbrender.c:670
GL_LINES
#define GL_LINES
Definition: gl.h:191
vertex_buffer
Definition: vb.h:99
VB
struct vertex_buffer * VB
Definition: tritemp.h:139
vertex_buffer::ClipOrMask
GLubyte ClipOrMask
Definition: vb.h:120
gl_problem
void gl_problem(const GLcontext *ctx, const char *s)
Definition: context.c:1394
render_polygon
static void render_polygon(GLcontext *ctx, GLuint n, GLuint vlist[])
Definition: vbrender.c:362
GL_QUAD_STRIP
#define GL_QUAD_STRIP
Definition: gl.h:198
VB_SIZE
#define VB_SIZE
Definition: vb.h:89
render_clipped_polygon
static void render_clipped_polygon(GLcontext *ctx, GLuint n, GLuint vlist[])
Definition: vbrender.c:442
GLuint
unsigned int GLuint
Definition: gl.h:159
GL_TRUE
#define GL_TRUE
Definition: gl.h:174
END_PROFILE
#define END_PROFILE(TIMER, COUNTER, INCR)
Definition: vbrender.c:139
GL_POLYGON
#define GL_POLYGON
Definition: gl.h:199
render_clipped_line
static void render_clipped_line(GLcontext *ctx, GLuint v1, GLuint v2)
Definition: vbrender.c:149
GL_TRIANGLE_STRIP
#define GL_TRIANGLE_STRIP
Definition: gl.h:195
gl_context::VB
struct vertex_buffer * VB
Definition: types.h:1380

Referenced by gl_transform_vb_part2().

◆ gl_reset_vb()

void gl_reset_vb ( GLcontext *  ctx,
GLboolean  allDone 
)

Definition at line 1155 of file vbrender.c.

1156 {
1157  struct vertex_buffer *VB = ctx->VB;
1158 
1159  /* save a few VB values for the end of this function */
1160  int oldCount = VB->Count;
1161  GLubyte clipOrMask = VB->ClipOrMask;
1162  GLboolean monoMaterial = VB->MonoMaterial;
1163  GLuint vertexSizeMask = VB->VertexSizeMask;
1164 
1165  /* Special case for GL_LINE_LOOP */
1166  if (ctx->Primitive==GL_LINE_LOOP && allDone) {
1167  if (VB->ClipMask[VB->Count-1] | VB->ClipMask[0]) {
1168  render_clipped_line( ctx, VB->Count-1, 0 );
1169  }
1170  else {
1171  START_PROFILE
1172  (*ctx->Driver.LineFunc)( ctx, VB->Count-1, 0, 0 );
1173  END_PROFILE( ctx->LineTime, ctx->LineCount, 1 )
1174  }
1175  }
1176 
1177  if (allDone) {
1178  /* glEnd() was called so reset Vertex Buffer to default, empty state */
1179  VB->Start = VB->Count = 0;
1180  VB->ClipOrMask = 0;
1181  VB->ClipAndMask = CLIP_ALL_BITS;
1182  VB->MonoMaterial = GL_TRUE;
1183  VB->MonoNormal = GL_TRUE;
1184  VB->MonoColor = GL_TRUE;
1185  VB->VertexSizeMask = VERTEX3_BIT;
1186  if (VB->TexCoordSize!=2) {
1187  GLint i, n = VB->Count;
1188  for (i=0;i<n;i++) {
1189  VB->TexCoord[i][2] = 0.0F;
1190  VB->TexCoord[i][3] = 1.0F;
1191  }
1192  }
1193  if (ctx->Current.TexCoord[2]==0.0F && ctx->Current.TexCoord[3]==1.0F) {
1194  VB->TexCoordSize = 2;
1195  }
1196  else {
1197  VB->TexCoordSize = 4;
1198  }
1199  }
1200  else {
1201  /* The vertex buffer was filled but we didn't get a glEnd() call yet
1202  * have to "re-cycle" the vertex buffer.
1203  */
1204  switch (ctx->Primitive) {
1205  case GL_POINTS:
1206  ASSERT(VB->Start==0);
1207  VB->Start = VB->Count = 0;
1208  VB->ClipOrMask = 0;
1209  VB->ClipAndMask = CLIP_ALL_BITS;
1210  VB->MonoMaterial = GL_TRUE;
1211  VB->MonoNormal = GL_TRUE;
1212  break;
1213  case GL_LINES:
1214  ASSERT(VB->Start==0);
1215  VB->Start = VB->Count = 0;
1216  VB->ClipOrMask = 0;
1217  VB->ClipAndMask = CLIP_ALL_BITS;
1218  VB->MonoMaterial = GL_TRUE;
1219  VB->MonoNormal = GL_TRUE;
1220  break;
1221  case GL_LINE_STRIP:
1222  copy_vertex( VB, 0, VB->Count-1 ); /* copy last vertex to front */
1223  VB->Start = VB->Count = 1;
1224  VB->ClipOrMask = VB->ClipMask[0];
1225  VB->ClipAndMask = VB->ClipMask[0];
1226  VB->MonoMaterial = VB->MaterialMask[0] ? GL_FALSE : GL_TRUE;
1227  break;
1228  case GL_LINE_LOOP:
1229  ASSERT(VB->Count==VB_MAX);
1230  copy_vertex( VB, 1, VB_MAX-1 );
1231  VB->Start = VB->Count = 2;
1232  VB->ClipOrMask = VB->ClipMask[0] | VB->ClipMask[1];
1233  VB->ClipAndMask = VB->ClipMask[0] & VB->ClipMask[1];
1234  VB->MonoMaterial = !(VB->MaterialMask[0] | VB->MaterialMask[1]);
1235  break;
1236  case GL_TRIANGLES:
1237  ASSERT(VB->Start==0);
1238  VB->Start = VB->Count = 0;
1239  VB->ClipOrMask = 0;
1240  VB->ClipAndMask = CLIP_ALL_BITS;
1241  VB->MonoMaterial = GL_TRUE;
1242  VB->MonoNormal = GL_TRUE;
1243  break;
1244  case GL_TRIANGLE_STRIP:
1245  copy_vertex( VB, 0, VB_MAX-2 );
1246  copy_vertex( VB, 1, VB_MAX-1 );
1247  VB->Start = VB->Count = 2;
1248  VB->ClipOrMask = VB->ClipMask[0] | VB->ClipMask[1];
1249  VB->ClipAndMask = VB->ClipMask[0] & VB->ClipMask[1];
1250  VB->MonoMaterial = !(VB->MaterialMask[0] | VB->MaterialMask[1]);
1251  break;
1252  case GL_TRIANGLE_FAN:
1253  copy_vertex( VB, 1, VB_MAX-1 );
1254  VB->Start = VB->Count = 2;
1255  VB->ClipOrMask = VB->ClipMask[0] | VB->ClipMask[1];
1256  VB->ClipAndMask = VB->ClipMask[0] & VB->ClipMask[1];
1257  VB->MonoMaterial = !(VB->MaterialMask[0] | VB->MaterialMask[1]);
1258  break;
1259  case GL_QUADS:
1260  ASSERT(VB->Start==0);
1261  VB->Start = VB->Count = 0;
1262  VB->ClipOrMask = 0;
1263  VB->ClipAndMask = CLIP_ALL_BITS;
1264  VB->MonoMaterial = GL_TRUE;
1265  VB->MonoNormal = GL_TRUE;
1266  break;
1267  case GL_QUAD_STRIP:
1268  copy_vertex( VB, 0, VB_MAX-2 );
1269  copy_vertex( VB, 1, VB_MAX-1 );
1270  VB->Start = VB->Count = 2;
1271  VB->ClipOrMask = VB->ClipMask[0] | VB->ClipMask[1];
1272  VB->ClipAndMask = VB->ClipMask[0] & VB->ClipMask[1];
1273  VB->MonoMaterial = !(VB->MaterialMask[0] | VB->MaterialMask[1]);
1274  break;
1275  case GL_POLYGON:
1276  copy_vertex( VB, 1, VB_MAX-1 );
1277  VB->Start = VB->Count = 2;
1278  VB->ClipOrMask = VB->ClipMask[0] | VB->ClipMask[1];
1279  VB->ClipAndMask = VB->ClipMask[0] & VB->ClipMask[1];
1280  VB->MonoMaterial = !(VB->MaterialMask[0] | VB->MaterialMask[1]);
1281  break;
1282  default:
1283  /* should never get here */
1284  gl_problem(ctx, "Bad primitive type in gl_reset_vb()");
1285  }
1286  }
1287 
1288  if (clipOrMask) {
1289  /* reset clip masks to zero */
1290  MEMSET( VB->ClipMask + VB->Start, 0,
1291  (oldCount - VB->Start) * sizeof(VB->ClipMask[0]) );
1292  }
1293 
1294  if (!monoMaterial) {
1295  /* reset material masks to zero */
1296  MEMSET( VB->MaterialMask + VB->Start, 0,
1297  (oldCount - VB->Start) * sizeof(VB->MaterialMask[0]) );
1298  gl_update_lighting(ctx);
1299  }
1300 
1301  if (vertexSizeMask!=VERTEX3_BIT) {
1302  /* reset object W coords to one */
1303  GLint i, n;
1304  GLfloat (*obj)[4] = VB->Obj + VB->Start;
1305  n = oldCount - VB->Start;
1306  for (i=0; i<n; i++) {
1307  obj[i][3] = 1.0F;
1308  }
1309  }
1310 }
GL_TRIANGLES
#define GL_TRIANGLES
Definition: gl.h:194
copy_vertex
static void copy_vertex(struct vertex_buffer *vb, GLuint dst, GLuint src)
Definition: vbrender.c:742
MEMSET
#define MEMSET(DST, VAL, N)
Definition: macros.h:241
CLIP_ALL_BITS
#define CLIP_ALL_BITS
Definition: vbrender.c:1144
GL_QUADS
#define GL_QUADS
Definition: gl.h:197
GL_POINTS
#define GL_POINTS
Definition: gl.h:190
GLubyte
unsigned char GLubyte
Definition: gl.h:157
GL_FALSE
#define GL_FALSE
Definition: gl.h:173
n
GLdouble n
Definition: glext.h:7729
gl_context::Current
struct gl_current_attrib Current
Definition: types.h:1320
START_PROFILE
#define START_PROFILE
Definition: vbrender.c:138
gl_update_lighting
void gl_update_lighting(GLcontext *ctx)
Definition: light.c:770
GL_LINE_LOOP
#define GL_LINE_LOOP
Definition: gl.h:192
VERTEX3_BIT
#define VERTEX3_BIT
Definition: vb.h:94
gl_context::Driver
struct dd_function_table Driver
Definition: types.h:1276
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLboolean
unsigned char GLboolean
Definition: gl.h:151
GL_TRIANGLE_FAN
#define GL_TRIANGLE_FAN
Definition: gl.h:196
gl_context::Primitive
GLenum Primitive
Definition: types.h:1357
GL_LINE_STRIP
#define GL_LINE_STRIP
Definition: gl.h:193
GL_LINES
#define GL_LINES
Definition: gl.h:191
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
vertex_buffer
Definition: vb.h:99
VB
struct vertex_buffer * VB
Definition: tritemp.h:139
VB_MAX
#define VB_MAX
Definition: vb.h:86
gl_problem
void gl_problem(const GLcontext *ctx, const char *s)
Definition: context.c:1394
GL_QUAD_STRIP
#define GL_QUAD_STRIP
Definition: gl.h:198
GLuint
unsigned int GLuint
Definition: gl.h:159
GL_TRUE
#define GL_TRUE
Definition: gl.h:174
END_PROFILE
#define END_PROFILE(TIMER, COUNTER, INCR)
Definition: vbrender.c:139
GL_POLYGON
#define GL_POLYGON
Definition: gl.h:199
GLfloat
float GLfloat
Definition: gl.h:161
render_clipped_line
static void render_clipped_line(GLcontext *ctx, GLuint v1, GLuint v2)
Definition: vbrender.c:149
GLint
int GLint
Definition: gl.h:156
GL_TRIANGLE_STRIP
#define GL_TRIANGLE_STRIP
Definition: gl.h:195
gl_context::VB
struct vertex_buffer * VB
Definition: types.h:1380

Referenced by gl_render_vb(), and gl_transform_vb_part2().