diff options
Diffstat (limited to 'src/mesa/main/varray.c')
| -rw-r--r-- | src/mesa/main/varray.c | 1259 |
1 files changed, 1259 insertions, 0 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c new file mode 100644 index 00000000000..b63d6a7cceb --- /dev/null +++ b/src/mesa/main/varray.c @@ -0,0 +1,1259 @@ +/* $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 <stdlib.h> +#include <stdio.h> +#include <string.h> +#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;i<count;i++) { + gl_ArrayElement( ctx, start+i ); + } + gl_End( ctx ); + } + else + { + /* The degenerate case where vertices are not enabled - only + * need to process the very final array element, as all of the + * preceding ones would be overwritten anyway. + */ + gl_Begin( ctx, mode ); + gl_ArrayElement( ctx, start+count ); + gl_End( ctx ); + } +} + + + +/* KW: Exactly fakes the effects of calling glArrayElement multiple times. + * Compilation is handled via. the IM->maybe_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); +} + |