/* $Id: varray.c,v 1.1 1999/08/19 00:55:41 jtg Exp $ */ /* * Mesa 3-D graphics library * Version: 3.1 * * Copyright (C) 1999 Brian Paul All Rights Reserved. * * 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 * BRIAN PAUL 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. */ #ifdef PC_HEADER #include "all.h" #else #include #include #include #include "context.h" #include "api.h" #include "cva.h" #include "enable.h" #include "enums.h" #include "dlist.h" #include "light.h" #include "macros.h" #include "mmath.h" #include "pipeline.h" #include "texstate.h" #include "translate.h" #include "types.h" #include "varray.h" #include "vb.h" #include "vbfill.h" #include "vbrender.h" #include "vbindirect.h" #include "vbxform.h" #include "xform.h" #ifdef XFree86Server #include "GL/xf86glx.h" #endif #endif void GLAPIENTRY glVertexPointer(CTX_ARG GLint size, GLenum type, GLsizei stride, const GLvoid *ptr ) { GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; if (size<2 || size>4) { gl_error( ctx, GL_INVALID_VALUE, "glVertexPointer(size)" ); return; } if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glVertexPointer(stride)" ); return; } if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) fprintf(stderr, "glVertexPointer( sz %d type %s stride %d )\n", size, gl_lookup_enum_by_nr( type ), stride); ctx->Array.Vertex.StrideB = stride; if (!stride) { switch (type) { case GL_SHORT: ctx->Array.Vertex.StrideB = size*sizeof(GLshort); break; case GL_INT: ctx->Array.Vertex.StrideB = size*sizeof(GLint); break; case GL_FLOAT: ctx->Array.Vertex.StrideB = size*sizeof(GLfloat); break; case GL_DOUBLE: ctx->Array.Vertex.StrideB = size*sizeof(GLdouble); break; default: gl_error( ctx, GL_INVALID_ENUM, "glVertexPointer(type)" ); return; } } ctx->Array.Vertex.Size = size; ctx->Array.Vertex.Type = type; ctx->Array.Vertex.Stride = stride; ctx->Array.Vertex.Ptr = (void *) ptr; ctx->Array.VertexFunc = gl_trans_4f_tab[size][TYPE_IDX(type)]; ctx->Array.VertexEltFunc = gl_trans_elt_4f_tab[size][TYPE_IDX(type)]; ctx->Array.NewArrayState |= VERT_OBJ_ANY; ctx->NewState |= NEW_CLIENT_STATE; } void GLAPIENTRY glNormalPointer(CTX_ARG GLenum type, GLsizei stride, const GLvoid *ptr ) { GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glNormalPointer(stride)" ); return; } if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) fprintf(stderr, "glNormalPointer( type %s stride %d )\n", gl_lookup_enum_by_nr( type ), stride); ctx->Array.Normal.StrideB = stride; if (!stride) { switch (type) { case GL_BYTE: ctx->Array.Normal.StrideB = 3*sizeof(GLbyte); break; case GL_SHORT: ctx->Array.Normal.StrideB = 3*sizeof(GLshort); break; case GL_INT: ctx->Array.Normal.StrideB = 3*sizeof(GLint); break; case GL_FLOAT: ctx->Array.Normal.StrideB = 3*sizeof(GLfloat); break; case GL_DOUBLE: ctx->Array.Normal.StrideB = 3*sizeof(GLdouble); break; default: gl_error( ctx, GL_INVALID_ENUM, "glNormalPointer(type)" ); return; } } ctx->Array.Normal.Type = type; ctx->Array.Normal.Stride = stride; ctx->Array.Normal.Ptr = (void *) ptr; ctx->Array.NormalFunc = gl_trans_3f_tab[TYPE_IDX(type)]; ctx->Array.NormalEltFunc = gl_trans_elt_3f_tab[TYPE_IDX(type)]; ctx->Array.NewArrayState |= VERT_NORM; ctx->NewState |= NEW_CLIENT_STATE; } void GLAPIENTRY glColorPointer(CTX_ARG GLint size, GLenum type, GLsizei stride, const GLvoid *ptr ) { GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; if (size<3 || size>4) { gl_error( ctx, GL_INVALID_VALUE, "glColorPointer(size)" ); return; } if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glColorPointer(stride)" ); return; } if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) fprintf(stderr, "glColorPointer( sz %d type %s stride %d )\n", size, gl_lookup_enum_by_nr( type ), stride); ctx->Array.Color.StrideB = stride; if (!stride) { switch (type) { case GL_BYTE: ctx->Array.Color.StrideB = size*sizeof(GLbyte); break; case GL_UNSIGNED_BYTE: ctx->Array.Color.StrideB = size*sizeof(GLubyte); break; case GL_SHORT: ctx->Array.Color.StrideB = size*sizeof(GLshort); break; case GL_UNSIGNED_SHORT: ctx->Array.Color.StrideB = size*sizeof(GLushort); break; case GL_INT: ctx->Array.Color.StrideB = size*sizeof(GLint); break; case GL_UNSIGNED_INT: ctx->Array.Color.StrideB = size*sizeof(GLuint); break; case GL_FLOAT: ctx->Array.Color.StrideB = size*sizeof(GLfloat); break; case GL_DOUBLE: ctx->Array.Color.StrideB = size*sizeof(GLdouble); break; default: gl_error( ctx, GL_INVALID_ENUM, "glColorPointer(type)" ); return; } } ctx->Array.Color.Size = size; ctx->Array.Color.Type = type; ctx->Array.Color.Stride = stride; ctx->Array.Color.Ptr = (void *) ptr; ctx->Array.ColorFunc = gl_trans_4ub_tab[size][TYPE_IDX(type)]; ctx->Array.ColorEltFunc = gl_trans_elt_4ub_tab[size][TYPE_IDX(type)]; ctx->Array.NewArrayState |= VERT_RGBA; ctx->NewState |= NEW_CLIENT_STATE; } void GLAPIENTRY glIndexPointer(CTX_ARG GLenum type, GLsizei stride, const GLvoid *ptr ) { GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glIndexPointer(stride)" ); return; } ctx->Array.Index.StrideB = stride; if (!stride) { switch (type) { case GL_UNSIGNED_BYTE: ctx->Array.Index.StrideB = sizeof(GLubyte); break; case GL_SHORT: ctx->Array.Index.StrideB = sizeof(GLshort); break; case GL_INT: ctx->Array.Index.StrideB = sizeof(GLint); break; case GL_FLOAT: ctx->Array.Index.StrideB = sizeof(GLfloat); break; case GL_DOUBLE: ctx->Array.Index.StrideB = sizeof(GLdouble); break; default: gl_error( ctx, GL_INVALID_ENUM, "glIndexPointer(type)" ); return; } } ctx->Array.Index.Type = type; ctx->Array.Index.Stride = stride; ctx->Array.Index.Ptr = (void *) ptr; ctx->Array.IndexFunc = gl_trans_1ui_tab[TYPE_IDX(type)]; ctx->Array.IndexEltFunc = gl_trans_elt_1ui_tab[TYPE_IDX(type)]; ctx->Array.NewArrayState |= VERT_INDEX; ctx->NewState |= NEW_CLIENT_STATE; } void GLAPIENTRY glTexCoordPointer(CTX_ARG GLint size, GLenum type, GLsizei stride, const GLvoid *ptr ) { GLuint texUnit; GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; texUnit = ctx->TexCoordUnit; if (size<1 || size>4) { gl_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(size)" ); return; } if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(stride)" ); return; } if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) fprintf(stderr, "glTexCoordPointer( unit %u sz %d type %s stride %d )\n", texUnit, size, gl_lookup_enum_by_nr( type ), stride); ctx->Array.TexCoord[texUnit].StrideB = stride; if (!stride) { switch (type) { case GL_SHORT: ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLshort); break; case GL_INT: ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLint); break; case GL_FLOAT: ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLfloat); break; case GL_DOUBLE: ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLdouble); break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexCoordPointer(type)" ); return; } } ctx->Array.TexCoord[texUnit].Size = size; ctx->Array.TexCoord[texUnit].Type = type; ctx->Array.TexCoord[texUnit].Stride = stride; ctx->Array.TexCoord[texUnit].Ptr = (void *) ptr; ctx->Array.TexCoordFunc[texUnit] = gl_trans_4f_tab[size][TYPE_IDX(type)]; ctx->Array.TexCoordEltFunc[texUnit] = gl_trans_elt_4f_tab[size][TYPE_IDX(type)]; ctx->Array.NewArrayState |= PIPE_TEX(texUnit); ctx->NewState |= NEW_CLIENT_STATE; } void GLAPIENTRY glEdgeFlagPointer(CTX_ARG GLsizei stride, const void *vptr ) { const GLboolean *ptr = (GLboolean *)vptr; GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glEdgeFlagPointer(stride)" ); return; } ctx->Array.EdgeFlag.Stride = stride; ctx->Array.EdgeFlag.StrideB = stride ? stride : sizeof(GLboolean); ctx->Array.EdgeFlag.Ptr = (GLboolean *) ptr; if (stride != sizeof(GLboolean)) { ctx->Array.EdgeFlagFunc = gl_trans_1ub_tab[TYPE_IDX(GL_UNSIGNED_BYTE)]; } else { ctx->Array.EdgeFlagFunc = 0; } ctx->Array.EdgeFlagEltFunc = gl_trans_elt_1ub_tab[TYPE_IDX(GL_UNSIGNED_BYTE)]; ctx->Array.NewArrayState |= VERT_EDGE; ctx->NewState |= NEW_CLIENT_STATE; } /* Called only from gl_DrawElements */ void gl_CVAEltPointer( GLcontext *ctx, GLenum type, const GLvoid *ptr ) { switch (type) { case GL_UNSIGNED_BYTE: ctx->CVA.Elt.StrideB = sizeof(GLubyte); break; case GL_UNSIGNED_SHORT: ctx->CVA.Elt.StrideB = sizeof(GLushort); break; case GL_UNSIGNED_INT: ctx->CVA.Elt.StrideB = sizeof(GLuint); break; default: gl_error( ctx, GL_INVALID_ENUM, "glEltPointer(type)" ); return; } ctx->CVA.Elt.Type = type; ctx->CVA.Elt.Stride = 0; ctx->CVA.Elt.Ptr = (void *) ptr; ctx->CVA.EltFunc = gl_trans_1ui_tab[TYPE_IDX(type)]; ctx->Array.NewArrayState |= VERT_ELT; /* ??? */ } /* KW: Batch function to exec all the array elements in the input * buffer prior to transform. Done only the first time a vertex * buffer is executed or compiled. */ void gl_exec_array_elements( GLcontext *ctx, struct immediate *IM ) { GLuint *flags = IM->Flag; GLuint *elts = IM->Elt; GLuint count = IM->Count; GLuint start = IM->Start; GLuint translate = ctx->Array.Flags; GLuint i; if (translate & VERT_OBJ_ANY) (ctx->Array.VertexEltFunc)( IM->Obj, &ctx->Array.Vertex, flags, elts, VERT_ELT, start, count); if (translate & VERT_NORM) (ctx->Array.NormalEltFunc)( IM->Normal, &ctx->Array.Normal, flags, elts, (VERT_ELT|VERT_NORM), start, count); if (translate & VERT_EDGE) (ctx->Array.EdgeFlagEltFunc)( IM->EdgeFlag, &ctx->Array.EdgeFlag, flags, elts, (VERT_ELT|VERT_EDGE), start, count); if (translate & VERT_RGBA) (ctx->Array.ColorEltFunc)( IM->Color, &ctx->Array.Color, flags, elts, (VERT_ELT|VERT_RGBA), start, count); if (translate & VERT_INDEX) (ctx->Array.IndexEltFunc)( IM->Index, &ctx->Array.Index, flags, elts, (VERT_ELT|VERT_INDEX), start, count); if (translate & VERT_TEX0_ANY) (ctx->Array.TexCoordEltFunc[0])( IM->TexCoord[0], &ctx->Array.TexCoord[0], flags, elts, (VERT_ELT|VERT_TEX0_ANY), start, count); if (translate & VERT_TEX1_ANY) (ctx->Array.TexCoordEltFunc[1])( IM->TexCoord[1], &ctx->Array.TexCoord[1], flags, elts, (VERT_ELT|VERT_TEX1_ANY), start, count); IM->OrFlag |= translate; /* Lighting ignores the and-flag, so still need to do this. */ if (IM->AndFlag & VERT_ELT) { for (i = 0 ; i < count ; i++) flags[i] |= translate; IM->AndFlag |= translate; } else { GLuint andflag = ~0; for (i = 0 ; i < count ; i++) { if (flags[i] & VERT_ELT) flags[i] |= translate; andflag &= flags[i]; } IM->AndFlag = andflag; } } /* KW: I think this is moving in the right direction, but it still feels * like we are doing way too much work. */ void gl_DrawArrays( GLcontext *ctx, GLenum mode, GLint start, GLsizei count ) { struct vertex_buffer *VB = ctx->VB; GLint i; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glDrawArrays"); if (count<0) { gl_error( ctx, GL_INVALID_VALUE, "glDrawArrays(count)" ); return; } if (!ctx->CompileFlag && ctx->Array.Vertex.Enabled) { GLint remaining = count; GLint i; GLvector4f obj; GLvector3f norm; GLvector4f tc[MAX_TEXTURE_UNITS]; GLvector4ub col; GLvector1ub edge; GLvector1ui index; GLuint update = 0, translate = 0; struct vertex_array_pointers VSrc; struct immediate *IM = VB->IM; struct gl_client_array *client_data; struct gl_pipeline *elt = &ctx->CVA.elt; GLuint relock; GLuint fallback, required; if (ctx->NewState) gl_update_state( ctx ); /* This will die miserably with CVA... Need more work to support this. */ relock = ctx->CompileCVAFlag; ctx->CompileCVAFlag = 0; if (!elt->pipeline_valid || relock) gl_build_immediate_pipeline( ctx ); required = elt->inputs; fallback = (elt->inputs & ~ctx->Array.Summary); VSrc.Color = &IM->v.Color; VSrc.Index = &IM->v.Index; VSrc.EdgeFlag = &IM->v.EdgeFlag; VSrc.TexCoord[0] = &IM->v.TexCoord[0]; VSrc.TexCoord[1] = &IM->v.TexCoord[1]; VSrc.Obj = &IM->v.Obj; VSrc.Normal = &IM->v.Normal; if (required & VERT_RGBA) { client_data = &ctx->Array.Color; if (fallback & VERT_RGBA) client_data = &ctx->Fallback.Color; if (client_data->Type == GL_UNSIGNED_BYTE && client_data->Size == 4) { VSrc.Color = &col; col.data = (GLubyte (*)[4]) client_data->Ptr; col.stride = client_data->StrideB; col.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE; if (client_data->StrideB != 4 * sizeof(GLubyte)) col.flags ^= VEC_STRIDE_FLAGS; update |= VERT_RGBA; } else { translate |= VERT_RGBA; } } if (required & VERT_INDEX) { client_data = &ctx->Array.Index; if (fallback & VERT_INDEX) client_data = &ctx->Fallback.Index; if (client_data->Type == GL_UNSIGNED_INT) { VSrc.Index = &index; index.data = (GLuint *) client_data->Ptr; index.stride = client_data->StrideB; index.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE; if (client_data->StrideB != sizeof(GLuint)) index.flags ^= VEC_STRIDE_FLAGS; update |= VERT_INDEX; } else { translate |= VERT_INDEX; } } for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) { GLuint flag = VERT_TEX_ANY(i); if (required & flag) { client_data = &ctx->Array.TexCoord[i]; if (fallback & flag) { client_data = &ctx->Fallback.TexCoord[i]; client_data->Size = gl_texcoord_size( ctx->Current.Flag, i ); } if (client_data->Type == GL_FLOAT) { VSrc.TexCoord[i] = &tc[i]; tc[i].data = (GLfloat (*)[4]) client_data->Ptr; tc[i].stride = client_data->StrideB; tc[i].size = client_data->Size; tc[i].flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE; if (tc[i].stride |= 4 * sizeof(GLfloat)) tc[i].flags ^= VEC_STRIDE_FLAGS; update |= flag; } else { translate |= flag; } } } if (ctx->Array.Flags != ctx->Array.Flag[0]) for (i = 0 ; i < VB_MAX ; i++) ctx->Array.Flag[i] = ctx->Array.Flags; if (ctx->Array.Vertex.Type == GL_FLOAT) { VSrc.Obj = &obj; obj.data = (GLfloat (*)[4]) ctx->Array.Vertex.Ptr; obj.stride = ctx->Array.Vertex.StrideB; obj.size = ctx->Array.Vertex.Size; obj.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE; if (obj.stride != 4 * sizeof(GLfloat)) obj.flags ^= VEC_STRIDE_FLAGS; update |= VERT_OBJ_ANY; } else { translate |= VERT_OBJ_ANY; } if (required & VERT_NORM) { client_data = &ctx->Array.Normal; if (fallback & VERT_NORM) client_data = &ctx->Fallback.Normal; if (client_data->Type == GL_FLOAT) { VSrc.Normal = &norm; norm.flags = 0; norm.data = (GLfloat (*)[3]) client_data->Ptr; norm.stride = client_data->StrideB; update |= VERT_NORM; } else { translate |= VERT_NORM; } } if ( (required & VERT_EDGE) && (mode == GL_TRIANGLES || mode == GL_QUADS || mode == GL_POLYGON)) { client_data = &ctx->Array.EdgeFlag; if (fallback & VERT_EDGE) client_data = &ctx->Fallback.EdgeFlag; VSrc.EdgeFlag = &edge; edge.data = (GLboolean *) client_data->Ptr; edge.stride = client_data->StrideB; edge.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE; if (edge.stride != sizeof(GLubyte)) edge.flags ^= VEC_STRIDE_FLAGS; update |= VERT_EDGE; } VB->Primitive = IM->Primitive; VB->NextPrimitive = IM->NextPrimitive; VB->MaterialMask = IM->MaterialMask; VB->Material = IM->Material; VB->BoundsPtr = 0; while (remaining > 0) { GLint vbspace = VB_MAX - VB_START; GLuint count, n; if (vbspace >= remaining) { n = remaining; VB->LastPrimitive = VB_START + n; } else { n = vbspace; VB->LastPrimitive = VB_START; } VB->CullMode = 0; /* Update pointers. */ if (update) { if (update & VERT_OBJ_ANY) obj.start = VEC_ELT(&obj, GLfloat, start); if (update & VERT_NORM) norm.start = VEC_ELT(&norm, GLfloat, start); if (update & VERT_EDGE) edge.start = VEC_ELT(&edge, GLubyte, start); if (update & VERT_RGBA) col.start = VEC_ELT(&col, GLubyte, start); if (update & VERT_INDEX) index.start = VEC_ELT(&index, GLuint, start); if (update & VERT_TEX0_ANY) tc[0].start = VEC_ELT(&tc[0], GLfloat, start); if (update & VERT_TEX1_ANY) tc[1].start = VEC_ELT(&tc[1], GLfloat, start); } /* Translate data to fix up type and stride. */ if (translate) { if (translate & VERT_OBJ_ANY) { ctx->Array.VertexFunc( IM->Obj + VB_START, &ctx->Array.Vertex, start, n ); } if (translate & VERT_NORM) { ctx->Array.NormalFunc( IM->Normal + VB_START, &ctx->Array.Normal, start, n ); } if (translate & VERT_EDGE) { ctx->Array.EdgeFlagFunc( IM->EdgeFlag + VB_START, &ctx->Array.EdgeFlag, start, n ); } if (translate & VERT_RGBA) { ctx->Array.ColorFunc( IM->Color + VB_START, &ctx->Array.Color, start, n ); } if (translate & VERT_INDEX) { ctx->Array.IndexFunc( IM->Index + VB_START, &ctx->Array.Index, start, n ); } if (translate & VERT_TEX0_ANY) { IM->v.TexCoord[0].size = tc[0].size; ctx->Array.TexCoordFunc[0]( IM->TexCoord[0] + VB_START, &ctx->Array.TexCoord[0], start, n ); } if (translate & VERT_TEX1_ANY) { IM->v.TexCoord[1].size = tc[1].size; ctx->Array.TexCoordFunc[1]( IM->TexCoord[1] + VB_START, &ctx->Array.TexCoord[1], start, n ); } } VB->ObjPtr = VSrc.Obj; VB->NormalPtr = VSrc.Normal; VB->Color[0] = VB->Color[1] = VB->ColorPtr = VSrc.Color; VB->IndexPtr = VSrc.Index; VB->EdgeFlagPtr = VSrc.EdgeFlag; VB->TexCoordPtr[0] = VSrc.TexCoord[0]; VB->TexCoordPtr[1] = VSrc.TexCoord[1]; VB->Flag = ctx->Array.Flag; VB->AndFlag = ctx->Array.Flags; VB->OrFlag = ctx->Array.Flags; count = VB->Count = VB_START + n; VB->ObjPtr->count = count; VB->NormalPtr->count = count; VB->ColorPtr->count = count; VB->IndexPtr->count = count; VB->EdgeFlagPtr->count = count; VB->TexCoordPtr[0]->count = count; VB->TexCoordPtr[1]->count = count; VB->Flag[count] |= VERT_END_VB; VB->Flag[VB_START] |= VERT_NORM; /* VB->Flag[VB_START] |= (IM->Flag[vb_start] & VERT_MATERIAL); */ VB->NextPrimitive[VB->CopyStart] = VB->Count; VB->Primitive[VB->CopyStart] = mode; /* Transform and render. */ gl_run_pipeline( VB ); gl_reset_vb( VB ); ctx->Array.Flag[count] = ctx->Array.Flags; ctx->Array.Flag[VB_START] = ctx->Array.Flags; IM->Flag[VB_START] = 0; start += n; remaining -= n; } ctx->CompileCVAFlag = relock; } else if (ctx->Array.Vertex.Enabled) { /* The GL_COMPILE and GL_COMPILE_AND_EXECUTE cases. These * could be handled by the above code, but it gets a little * complex. */ /* No need to reset - never called from inside a display list */ gl_Begin( ctx, mode ); for (i=0;imaybe_transform_vb() callback. */ #define DRAW_ELT(FUNC, TYPE) \ static void FUNC( GLcontext *ctx, GLenum mode, \ TYPE *indices, GLuint count ) \ { \ GLuint i,j; \ \ if (count) gl_Begin( ctx, mode ); \ \ for (j = 0 ; j < count ; ) { \ GLuint nr = MIN2( VB_MAX, count - j + VB_START ); \ struct immediate *IM = ctx->input; \ GLuint sf = IM->Flag[VB_START]; \ GLuint flags = IM->ArrayOrFlags; \ \ for (i = VB_START ; i < nr ; i++) { \ IM->Elt[i] = (GLuint) *indices++; \ IM->Flag[i] = flags; \ } \ \ if (j == 0) IM->Flag[VB_START] |= sf; \ \ IM->Count = nr; \ j += nr - VB_START; \ \ if (j == count) gl_End( ctx ); \ \ IM->maybe_transform_vb( IM ); \ } \ } DRAW_ELT( draw_elt_ubyte, GLubyte ) DRAW_ELT( draw_elt_ushort, GLushort ) DRAW_ELT( draw_elt_uint, GLuint ) static GLuint natural_stride[0x10] = { sizeof(GLbyte), /* 0 */ sizeof(GLubyte), /* 1 */ sizeof(GLshort), /* 2 */ sizeof(GLushort), /* 3 */ sizeof(GLint), /* 4 */ sizeof(GLuint), /* 5 */ sizeof(GLfloat), /* 6 */ 2 * sizeof(GLbyte), /* 7 */ 3 * sizeof(GLbyte), /* 8 */ 4 * sizeof(GLbyte), /* 9 */ sizeof(GLdouble), /* a */ 0, /* b */ 0, /* c */ 0, /* d */ 0, /* e */ 0 /* f */ }; void GLAPIENTRY glDrawElements(CTX_ARG GLenum mode, GLsizei count, GLenum type, const GLvoid *indices ) { GLcontext *ctx; struct gl_cva *cva; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; cva = &ctx->CVA; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glDrawElements"); if (count<0) { gl_error( ctx, GL_INVALID_VALUE, "glDrawElements(count)" ); return; } if (mode < 0 || mode > GL_POLYGON) { gl_error( ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" ); return; } if (type != GL_UNSIGNED_INT && type != GL_UNSIGNED_BYTE && type != GL_UNSIGNED_SHORT) { gl_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); return; } if (ctx->NewState) gl_update_state(ctx); if (ctx->CompileCVAFlag) { #if defined(MESA_CVA_PROF) force_init_prof(); #endif /* Treat VERT_ELT like a special client array. */ ctx->Array.NewArrayState |= VERT_ELT; ctx->Array.Summary |= VERT_ELT; ctx->Array.Flags |= VERT_ELT; cva->elt_mode = mode; cva->elt_count = count; cva->Elt.Type = type; cva->Elt.Ptr = (void *) indices; cva->Elt.StrideB = natural_stride[TYPE_IDX(type)]; cva->EltFunc = gl_trans_1ui_tab[TYPE_IDX(type)]; if (!cva->pre.pipeline_valid) gl_build_precalc_pipeline( ctx ); else if (MESA_VERBOSE & VERBOSE_PIPELINE) fprintf(stderr, ": dont rebuild\n"); gl_cva_force_precalc( ctx ); /* Did we 'precalculate' the render op? */ if (ctx->CVA.pre.ops & PIPE_OP_RENDER) { ctx->Array.NewArrayState |= VERT_ELT; ctx->Array.Summary &= ~VERT_ELT; ctx->Array.Flags &= ~VERT_ELT; return; } if ( (MESA_VERBOSE&VERBOSE_VARRAY) ) printf("using immediate\n"); } /* Otherwise, have to use the immediate path to render. */ switch (type) { case GL_UNSIGNED_BYTE: { GLubyte *ub_indices = (GLubyte *) indices; if (ctx->Array.Summary & VERT_OBJ_ANY) { draw_elt_ubyte( ctx, mode, ub_indices, count ); } else { gl_ArrayElement( ctx, (GLuint) ub_indices[count-1] ); } } break; case GL_UNSIGNED_SHORT: { GLushort *us_indices = (GLushort *) indices; if (ctx->Array.Summary & VERT_OBJ_ANY) { draw_elt_ushort( ctx, mode, us_indices, count ); } else { gl_ArrayElement( ctx, (GLuint) us_indices[count-1] ); } } break; case GL_UNSIGNED_INT: { GLuint *ui_indices = (GLuint *) indices; if (ctx->Array.Summary & VERT_OBJ_ANY) { draw_elt_uint( ctx, mode, ui_indices, count ); } else { gl_ArrayElement( ctx, ui_indices[count-1] ); } } break; default: gl_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); break; } if (ctx->CompileCVAFlag) { ctx->Array.NewArrayState |= VERT_ELT; ctx->Array.Summary &= ~VERT_ELT; } } void GLAPIENTRY glInterleavedArrays(CTX_ARG GLenum format, GLsizei stride, const GLvoid *pointer ) { GLcontext *ctx; GLboolean tflag, cflag, nflag; /* enable/disable flags */ GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */ GLenum ctype; /* color type */ GLint coffset, noffset, voffset;/* color, normal, vertex offsets */ GLint defstride; /* default stride */ GLint c, f; GLint coordUnitSave; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; f = sizeof(GLfloat); c = f * ((4*sizeof(GLubyte) + (f-1)) / f); if (stride<0) { gl_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" ); return; } switch (format) { case GL_V2F: tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; tcomps = 0; ccomps = 0; vcomps = 2; voffset = 0; defstride = 2*f; break; case GL_V3F: tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; tcomps = 0; ccomps = 0; vcomps = 3; voffset = 0; defstride = 3*f; break; case GL_C4UB_V2F: tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; tcomps = 0; ccomps = 4; vcomps = 2; ctype = GL_UNSIGNED_BYTE; coffset = 0; voffset = c; defstride = c + 2*f; break; case GL_C4UB_V3F: tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; tcomps = 0; ccomps = 4; vcomps = 3; ctype = GL_UNSIGNED_BYTE; coffset = 0; voffset = c; defstride = c + 3*f; break; case GL_C3F_V3F: tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; tcomps = 0; ccomps = 3; vcomps = 3; ctype = GL_FLOAT; coffset = 0; voffset = 3*f; defstride = 6*f; break; case GL_N3F_V3F: tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE; tcomps = 0; ccomps = 0; vcomps = 3; noffset = 0; voffset = 3*f; defstride = 6*f; break; case GL_C4F_N3F_V3F: tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE; tcomps = 0; ccomps = 4; vcomps = 3; ctype = GL_FLOAT; coffset = 0; noffset = 4*f; voffset = 7*f; defstride = 10*f; break; case GL_T2F_V3F: tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; tcomps = 2; ccomps = 0; vcomps = 3; voffset = 2*f; defstride = 5*f; break; case GL_T4F_V4F: tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; tcomps = 4; ccomps = 0; vcomps = 4; voffset = 4*f; defstride = 8*f; break; case GL_T2F_C4UB_V3F: tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; tcomps = 2; ccomps = 4; vcomps = 3; ctype = GL_UNSIGNED_BYTE; coffset = 2*f; voffset = c+2*f; defstride = c+5*f; break; case GL_T2F_C3F_V3F: tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; tcomps = 2; ccomps = 3; vcomps = 3; ctype = GL_FLOAT; coffset = 2*f; voffset = 5*f; defstride = 8*f; break; case GL_T2F_N3F_V3F: tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE; tcomps = 2; ccomps = 0; vcomps = 3; noffset = 2*f; voffset = 5*f; defstride = 8*f; break; case GL_T2F_C4F_N3F_V3F: tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; tcomps = 2; ccomps = 4; vcomps = 3; ctype = GL_FLOAT; coffset = 2*f; noffset = 6*f; voffset = 9*f; defstride = 12*f; break; case GL_T4F_C4F_N3F_V4F: tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; tcomps = 4; ccomps = 4; vcomps = 4; ctype = GL_FLOAT; coffset = 4*f; noffset = 8*f; voffset = 11*f; defstride = 15*f; break; default: gl_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" ); return; } if (stride==0) { stride = defstride; } gl_DisableClientState( ctx, GL_EDGE_FLAG_ARRAY ); gl_DisableClientState( ctx, GL_INDEX_ARRAY ); /* Texcoords */ coordUnitSave = ctx->TexCoordUnit; if (tflag) { GLint i; GLint factor = ctx->Array.TexCoordInterleaveFactor; for (i = 0; i < factor; i++) { gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + i) ); gl_EnableClientState( ctx, GL_TEXTURE_COORD_ARRAY ); glTexCoordPointer(CTX_PRM tcomps, GL_FLOAT, stride, (GLubyte *) pointer + i * coffset ); } for (i = factor; i < ctx->Const.MaxTextureUnits; i++) { gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + i) ); gl_DisableClientState( ctx, GL_TEXTURE_COORD_ARRAY ); } } else { GLint i; for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + i) ); gl_DisableClientState( ctx, GL_TEXTURE_COORD_ARRAY ); } } /* Restore texture coordinate unit index */ gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + coordUnitSave) ); /* Color */ if (cflag) { gl_EnableClientState( ctx, GL_COLOR_ARRAY ); glColorPointer(CTX_PRM ccomps, ctype, stride, (GLubyte*) pointer + coffset ); } else { gl_DisableClientState( ctx, GL_COLOR_ARRAY ); } /* Normals */ if (nflag) { gl_EnableClientState( ctx, GL_NORMAL_ARRAY ); glNormalPointer(CTX_PRM GL_FLOAT, stride, (GLubyte*) pointer + noffset ); } else { gl_DisableClientState( ctx, GL_NORMAL_ARRAY ); } gl_EnableClientState( ctx, GL_VERTEX_ARRAY ); glVertexPointer(CTX_PRM vcomps, GL_FLOAT, stride, (GLubyte *) pointer + voffset ); } void GLAPIENTRY glDrawRangeElements(CTX_ARG GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices ) { GLcontext *ctx; GET_CONTEXT; CHECK_CONTEXT; ctx = CC; if (end < start) { gl_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements( end < start )"); return; } if (!ctx->Array.LockCount && 2*count > 3*(end-start)) { glLockArraysEXT(CTX_PRM start, end ); glDrawElements(CTX_PRM mode, count, type, indices ); glUnlockArraysEXT(CTX_VPRM ); } else { glDrawElements(CTX_PRM mode, count, type, indices ); } } void gl_update_client_state( GLcontext *ctx ) { static GLuint sz_flags[5] = { 0, 0, VERT_OBJ_2, VERT_OBJ_23, VERT_OBJ_234 }; static GLuint tc_flags[5] = { 0, VERT_TEX0_1, VERT_TEX0_12, VERT_TEX0_123, VERT_TEX0_1234 }; ctx->Array.Flags = 0; ctx->Array.Summary = 0; ctx->input->ArrayIncr = 0; if (ctx->Array.Normal.Enabled) ctx->Array.Flags |= VERT_NORM; if (ctx->Array.Color.Enabled) ctx->Array.Flags |= VERT_RGBA; if (ctx->Array.Index.Enabled) ctx->Array.Flags |= VERT_INDEX; if (ctx->Array.EdgeFlag.Enabled) ctx->Array.Flags |= VERT_EDGE; if (ctx->Array.Vertex.Enabled) { ctx->Array.Flags |= sz_flags[ctx->Array.Vertex.Size]; ctx->input->ArrayIncr = 1; } if (ctx->Array.TexCoord[0].Enabled) { ctx->Array.Flags |= tc_flags[ctx->Array.TexCoord[0].Size]; } if (ctx->Array.TexCoord[1].Enabled) { ctx->Array.Flags |= (tc_flags[ctx->Array.TexCoord[1].Size] << NR_TEXSIZE_BITS); } /* Not really important any more: */ ctx->Array.Summary = ctx->Array.Flags & VERT_DATA; ctx->input->ArrayOrFlags = (ctx->Array.Flags & VERT_OBJ_234) | VERT_ELT; ctx->input->ArrayAndFlags = ~ctx->Array.Flags; ctx->input->ArrayEltFlush = !(ctx->CompileCVAFlag); }