/* * Mesa 3-D graphics library * Version: 3.1 * * Copyright (C) 1999-2000 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 "glheader.h" #include "context.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 "state.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" #endif void _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) { GET_CURRENT_CONTEXT(ctx); 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 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) { GET_CURRENT_CONTEXT(ctx); 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 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) { GET_CURRENT_CONTEXT(ctx); 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 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) { GET_CURRENT_CONTEXT(ctx); 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 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) { GET_CURRENT_CONTEXT(ctx); GLuint texUnit; texUnit = ctx->Array.ActiveTexture; 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 _mesa_EdgeFlagPointer(GLsizei stride, const void *vptr) { GET_CURRENT_CONTEXT(ctx); const GLboolean *ptr = (GLboolean *)vptr; 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; } #if 0 /* Called only from gl_DrawElements */ static 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; /* ??? */ } #endif /* 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. * * KW: Have to do this after each glEnd if cva isn't active. (also * have to do it after each full buffer) */ void gl_exec_array_elements( GLcontext *ctx, struct immediate *IM, GLuint start, GLuint count) { GLuint *flags = IM->Flag; GLuint *elts = IM->Elt; GLuint translate = ctx->Array.Flags; GLuint i; if (MESA_VERBOSE&VERBOSE_IMMEDIATE) fprintf(stderr, "exec_array_elements %d .. %d\n", start, count); if (translate & VERT_OBJ_ANY) (ctx->Array.VertexEltFunc)( IM->Obj, &ctx->Array.Vertex, flags, elts, (VERT_ELT|VERT_OBJ_ANY), 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); for (i = start ; i < count ; i++) if (flags[i] & VERT_ELT) flags[i] |= translate; } /* Enough funny business going on in here it might be quicker to use a * function pointer. */ #define ARRAY_ELT( IM, i ) \ { \ GLuint count = IM->Count; \ IM->Elt[count] = i; \ IM->Flag[count] = ((IM->Flag[count] & IM->ArrayAndFlags) | \ VERT_ELT); \ IM->FlushElt |= IM->ArrayEltFlush; \ IM->Count = count += IM->ArrayIncr; \ if (count == VB_MAX) \ IM->maybe_transform_vb( IM ); \ } void _mesa_ArrayElement( GLint i ) { GET_IMMEDIATE; ARRAY_ELT( IM, i ); } static void gl_ArrayElement( GLcontext *CC, GLint i ) { struct immediate *im = CC->input; ARRAY_ELT( im, i ); } void _mesa_DrawArrays(GLenum mode, GLint start, GLsizei count) { GET_CURRENT_CONTEXT(ctx); 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; struct gl_client_array *Normal; struct gl_client_array *Color; struct gl_client_array *Index; struct gl_client_array *TexCoord[MAX_TEXTURE_UNITS]; struct gl_client_array *EdgeFlag; struct immediate *IM = VB->IM; struct gl_pipeline *elt = &ctx->CVA.elt; GLboolean relock; GLuint fallback, required; if (ctx->NewState) gl_update_state( ctx ); /* Just turn off cva on this path. Could be useful for multipass * rendering to keep it turned on. */ relock = ctx->CompileCVAFlag; if (relock) { ctx->CompileCVAFlag = 0; elt->pipeline_valid = 0; } if (!elt->pipeline_valid) gl_build_immediate_pipeline( ctx ); required = elt->inputs; fallback = (elt->inputs & ~ctx->Array.Summary); /* The translate function doesn't do anything about size. It * just ensures that type and stride come out right. */ IM->v.Obj.size = ctx->Array.Vertex.Size; if (required & VERT_RGBA) { Color = &ctx->Array.Color; if (fallback & VERT_RGBA) { Color = &ctx->Fallback.Color; ctx->Array.ColorFunc = gl_trans_4ub_tab[4][TYPE_IDX(GL_UNSIGNED_BYTE)]; } } if (required & VERT_INDEX) { Index = &ctx->Array.Index; if (fallback & VERT_INDEX) { Index = &ctx->Fallback.Index; ctx->Array.IndexFunc = gl_trans_1ui_tab[TYPE_IDX(GL_UNSIGNED_INT)]; } } for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) { GLuint flag = VERT_TEX_ANY(i); if (required & flag) { TexCoord[i] = &ctx->Array.TexCoord[i]; if (fallback & flag) { TexCoord[i] = &ctx->Fallback.TexCoord[i]; TexCoord[i]->Size = gl_texcoord_size( ctx->Current.Flag, i ); ctx->Array.TexCoordFunc[i] = gl_trans_4f_tab[TexCoord[i]->Size][TYPE_IDX(GL_FLOAT)]; } } } if (ctx->Array.Flags != ctx->Array.Flag[0]) for (i = 0 ; i < VB_MAX ; i++) ctx->Array.Flag[i] = ctx->Array.Flags; if (required & VERT_NORM) { Normal = &ctx->Array.Normal; if (fallback & VERT_NORM) { Normal = &ctx->Fallback.Normal; ctx->Array.NormalFunc = gl_trans_3f_tab[TYPE_IDX(GL_FLOAT)]; } } if ( required & VERT_EDGE ) { if (mode == GL_TRIANGLES || mode == GL_QUADS || mode == GL_POLYGON) { EdgeFlag = &ctx->Array.EdgeFlag; if (fallback & VERT_EDGE) { EdgeFlag = &ctx->Fallback.EdgeFlag; ctx->Array.EdgeFlagFunc = gl_trans_1ub_tab[TYPE_IDX(GL_UNSIGNED_BYTE)]; } } else required &= ~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; ctx->Array.VertexFunc( IM->Obj + VB_START, &ctx->Array.Vertex, start, n ); if (required & VERT_NORM) { ctx->Array.NormalFunc( IM->Normal + VB_START, Normal, start, n ); } if (required & VERT_EDGE) { ctx->Array.EdgeFlagFunc( IM->EdgeFlag + VB_START, EdgeFlag, start, n ); } if (required & VERT_RGBA) { ctx->Array.ColorFunc( IM->Color + VB_START, Color, start, n ); } if (required & VERT_INDEX) { ctx->Array.IndexFunc( IM->Index + VB_START, Index, start, n ); } if (required & VERT_TEX0_ANY) { IM->v.TexCoord[0].size = TexCoord[0]->Size; ctx->Array.TexCoordFunc[0]( IM->TexCoord[0] + VB_START, TexCoord[0], start, n ); } if (required & VERT_TEX1_ANY) { IM->v.TexCoord[1].size = TexCoord[1]->Size; ctx->Array.TexCoordFunc[1]( IM->TexCoord[1] + VB_START, TexCoord[1], start, n ); } VB->ObjPtr = &IM->v.Obj; VB->NormalPtr = &IM->v.Normal; VB->ColorPtr = &IM->v.Color; VB->Color[0] = VB->Color[1] = VB->ColorPtr; VB->IndexPtr = &IM->v.Index; VB->EdgeFlagPtr = &IM->v.EdgeFlag; VB->TexCoordPtr[0] = &IM->v.TexCoord[0]; VB->TexCoordPtr[1] = &IM->v.TexCoord[1]; VB->Flag = ctx->Array.Flag; VB->OrFlag = ctx->Array.Flags; VB->Start = IM->Start = VB_START; count = VB->Count = IM->Count = VB_START + n; #define RESET_VEC(v, t, s, c) (v.start = t v.data[s], v.count = c) RESET_VEC(IM->v.Obj, (GLfloat *), VB_START, count); RESET_VEC(IM->v.Normal, (GLfloat *), VB_START, count); RESET_VEC(IM->v.TexCoord[0], (GLfloat *), VB_START, count); RESET_VEC(IM->v.TexCoord[1], (GLfloat *), VB_START, count); RESET_VEC(IM->v.Index, &, VB_START, count); RESET_VEC(IM->v.Elt, &, VB_START, count); RESET_VEC(IM->v.EdgeFlag, &, VB_START, count); RESET_VEC(IM->v.Color, (GLubyte *), VB_START, count); RESET_VEC(VB->Clip, (GLfloat *), VB_START, count); RESET_VEC(VB->Eye, (GLfloat *), VB_START, count); RESET_VEC(VB->Win, (GLfloat *), VB_START, count); RESET_VEC(VB->BColor, (GLubyte *), VB_START, count); RESET_VEC(VB->BIndex, &, VB_START, count); 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; start += n; remaining -= n; } gl_reset_input( ctx ); if (relock) { ctx->CompileCVAFlag = relock; elt->pipeline_valid = 0; } } 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. The generated list is still of good quality * this way. */ gl_Begin( ctx, mode ); for (i=0;imaybe_transform_vb() callback. */ #if 1 #define DRAW_ELT(FUNC, TYPE) \ static void FUNC( GLcontext *ctx, GLenum mode, \ TYPE *indices, GLuint count ) \ { \ GLuint i,j; \ \ gl_Begin( ctx, mode ); \ \ for (j = 0 ; j < count ; ) { \ struct immediate *IM = ctx->input; \ GLuint start = IM->Start; \ GLuint nr = MIN2( VB_MAX, count - j + start ); \ GLuint sf = IM->Flag[start]; \ IM->FlushElt |= IM->ArrayEltFlush; \ \ for (i = start ; i < nr ; i++) { \ IM->Elt[i] = (GLuint) *indices++; \ IM->Flag[i] = VERT_ELT; \ } \ \ if (j == 0) IM->Flag[start] |= sf; \ \ IM->Count = nr; \ j += nr - start; \ \ if (j == count) gl_End( ctx ); \ IM->maybe_transform_vb( IM ); \ } \ } #else #define DRAW_ELT(FUNC, TYPE) \ static void FUNC( GLcontext *ctx, GLenum mode, \ TYPE *indices, GLuint count ) \ { \ int i; \ glBegin(mode); \ for (i = 0 ; i < count ; i++) \ glArrayElement( indices[i] ); \ glEnd(); \ } #endif 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 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) { GET_CURRENT_CONTEXT(ctx); struct gl_cva *cva; cva = &ctx->CVA; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glDrawElements"); if (count <= 0) { if (count < 0) gl_error( ctx, GL_INVALID_VALUE, "glDrawElements(count)" ); return; } if (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 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer) { GET_CURRENT_CONTEXT(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; 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; } _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY ); _mesa_DisableClientState( GL_INDEX_ARRAY ); /* Texcoords */ coordUnitSave = ctx->Array.ActiveTexture; if (tflag) { GLint i; GLint factor = ctx->Array.TexCoordInterleaveFactor; for (i = 0; i < factor; i++) { _mesa_ClientActiveTextureARB( (GLenum) (GL_TEXTURE0_ARB + i) ); _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY ); glTexCoordPointer( tcomps, GL_FLOAT, stride, (GLubyte *) pointer + i * coffset ); } for (i = factor; i < ctx->Const.MaxTextureUnits; i++) { _mesa_ClientActiveTextureARB( (GLenum) (GL_TEXTURE0_ARB + i) ); _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY ); } } else { GLint i; for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { _mesa_ClientActiveTextureARB( (GLenum) (GL_TEXTURE0_ARB + i) ); _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY ); } } /* Restore texture coordinate unit index */ _mesa_ClientActiveTextureARB( (GLenum) (GL_TEXTURE0_ARB + coordUnitSave) ); /* Color */ if (cflag) { _mesa_EnableClientState( GL_COLOR_ARRAY ); glColorPointer( ccomps, ctype, stride, (GLubyte*) pointer + coffset ); } else { _mesa_DisableClientState( GL_COLOR_ARRAY ); } /* Normals */ if (nflag) { _mesa_EnableClientState( GL_NORMAL_ARRAY ); glNormalPointer( GL_FLOAT, stride, (GLubyte*) pointer + noffset ); } else { _mesa_DisableClientState( GL_NORMAL_ARRAY ); } _mesa_EnableClientState( GL_VERTEX_ARRAY ); glVertexPointer( vcomps, GL_FLOAT, stride, (GLubyte *) pointer + voffset ); } void _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices) { GET_CURRENT_CONTEXT(ctx); if (end < start) { gl_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements( end < start )"); return; } #if 0 /* * XXX something in locked arrays is broken! If start = 0, * end = 1 and count = 2 we'll take the LockArrays path and * get incorrect results. See Scott McMillan's bug of 3 Jan 2000. * For now, don't use locked arrays. */ if (!ctx->Array.LockCount && 2*count > (GLint) 3*(end-start)) { glLockArraysEXT( start, end ); glDrawElements( mode, count, type, indices ); glUnlockArraysEXT(); } else { glDrawElements( mode, count, type, indices ); } #else glDrawElements( mode, count, type, indices ); #endif } 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->ArrayAndFlags = ~ctx->Array.Flags; ctx->input->ArrayEltFlush = !(ctx->CompileCVAFlag); }