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- /* $Id: cva.c,v 1.11 1999/11/08 07:36:43 brianp 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.
- */
-
- /* Mesa CVA implementation.
- * Copyright (C) 1999 Keith Whitwell
- */
-
- #ifndef XFree86Server
- #include <stdlib.h>
- #include <stdio.h>
- #else
- #include "GL/xf86glx.h"
- #endif
- #include "api.h"
- #include "types.h"
- #include "cva.h"
- #include "context.h"
- #include "macros.h"
- #include "pipeline.h"
- #include "varray.h"
- #include "vbcull.h"
- #include "vbrender.h"
- #include "vbxform.h"
- #include "vector.h"
-
- /* Mesa CVA implementation.
- * Copyright (C) 1999 Keith Whitwell
- */
-
-
-
- static void copy_clipmask( GLubyte *dest, GLubyte *ormask, GLubyte *andmask,
- const GLubyte *src,
- const GLuint *elt, GLuint nr )
- {
- GLuint i;
- GLubyte o = *ormask;
- GLubyte a = *andmask;
-
- for (i = 0 ; i < nr ; i++) {
- GLubyte t = src[elt[i]];
- dest[i] = t;
- o |= t;
- a &= t;
- }
-
- *ormask = o;
- *andmask = a;
- }
-
- static void translate_4f( GLvector4f *dest,
- CONST GLvector4f *src,
- CONST GLuint elt[],
- GLuint nr )
- {
- GLuint i;
- GLfloat (*from)[4] = (GLfloat (*)[4])src->start;
- GLfloat (*to)[4] = (GLfloat (*)[4])dest->start;
- GLuint stride = src->stride;
-
- if (stride == 4 * sizeof(GLfloat)) {
- for (i = 0 ; i < nr ; i++)
- COPY_4FV( to[i], from[elt[i]] );
- } else {
- for (i = 0 ; i < nr ; i++) {
- CONST GLubyte *f = (GLubyte *)from + elt[i] * stride;
- COPY_4FV( to[i], (GLfloat *)f );
- }
- }
-
- dest->size = src->size;
- dest->flags |= (src->flags & VEC_SIZE_4);
- dest->count = nr;
- }
-
- static void translate_3f( GLvector3f *dest,
- CONST GLvector3f *src,
- CONST GLuint elt[],
- GLuint nr )
- {
- GLuint i;
- GLfloat (*from)[3] = (GLfloat (*)[3])src->start;
- GLfloat (*to)[3] = (GLfloat (*)[3])dest->start;
- GLuint stride = src->stride;
-
- if (stride == 3 * sizeof(GLfloat)) {
- for (i = 0 ; i < nr ; i++)
- COPY_3FV( to[i], from[elt[i]] );
- } else {
- for (i = 0 ; i < nr ; i++) {
- CONST GLubyte *f = (GLubyte *)from + elt[i] * stride;
- COPY_3FV( to[i], (GLfloat *)f );
- }
- }
-
- dest->count = nr;
- }
-
- static void translate_4ub( GLvector4ub *dest,
- CONST GLvector4ub *src,
- GLuint elt[],
- GLuint nr )
- {
- GLuint i;
- GLubyte (*from)[4] = (GLubyte (*)[4])src->start;
- GLubyte (*to)[4] = (GLubyte (*)[4])dest->start;
- GLuint stride = src->stride;
-
- if (stride == 4 * sizeof(GLubyte)) {
- for (i = 0 ; i < nr ; i++)
- COPY_4UBV( to[i], from[elt[i]]);
- } else {
- for (i = 0 ; i < nr ; i++) {
- CONST GLubyte *f = (GLubyte *)from + elt[i] * stride;
- COPY_4UBV( to[i], f );
- }
- }
-
- dest->count = nr;
- }
-
- static void translate_1ui( GLvector1ui *dest,
- GLvector1ui *src,
- GLuint elt[],
- GLuint nr )
- {
- GLuint i;
- GLuint *from = src->start;
- GLuint *to = dest->start;
- GLuint stride = src->stride;
-
- if (stride == sizeof(GLuint)) {
- for (i = 0 ; i < nr ; i++)
- to[i] = from[elt[i]];
- } else {
- for (i = 0 ; i < nr ; i++) {
- CONST GLubyte *f = (GLubyte *)from + elt[i] * stride;
- to[i] = *(GLuint *)f;
- }
- }
-
- dest->count = nr;
- }
-
- static void translate_1ub( GLvector1ub *dest,
- GLvector1ub *src,
- GLuint elt[],
- GLuint nr )
- {
- GLuint i;
- GLubyte *from = src->start;
- GLubyte *to = dest->start;
- GLuint stride = src->stride;
-
- if (stride == sizeof(GLubyte)) {
- for (i = 0 ; i < nr ; i++)
- to[i] = from[elt[i]];
- } else {
- for (i = 0 ; i < nr ; i++) {
- CONST GLubyte *f = from + elt[i] * stride;
- to[i] = *f;
- }
- }
-
- dest->count = nr;
- }
-
-
- /* The fallback case for handling the merge of cva and immediate
- * data. This code back-copies data from cva->immediate to build a
- * normal looking immediate struct, which is then sent off to the
- * old raster setup and render routines.
- *
- * The FX driver implements a replacement for this step which merges
- * the new data into the already prepared GrVertex structs.
- *
- * When there is no data to merge, gl_render_vb_indirect is called
- * instead.
- */
- void gl_merge_cva( struct vertex_buffer *VB,
- struct vertex_buffer *cvaVB )
- {
- GLcontext *ctx = VB->ctx;
- GLuint *elt = VB->EltPtr->start;
- GLuint count = VB->Count - VB->Start;
- GLuint available = ctx->CVA.pre.outputs | ctx->Array.Summary;
- GLuint required = ctx->CVA.elt.inputs;
- GLuint flags;
-
- /* Should attempt to build an or-flag of reduced (ie rasterization)
- * prims in the VB, so a software points function doesn't screw us
- * when we're doing hardware triangles.
- */
- if ((required & VERT_SETUP_FULL) &&
- (ctx->IndirectTriangles & DD_SW_SETUP))
- {
- if (MESA_VERBOSE & VERBOSE_PIPELINE)
- gl_print_vert_flags("extra flags for setup",
- ctx->RenderFlags & available & ~required);
- required |= ctx->RenderFlags;
- }
-
- flags = required & available;
-
- if ((flags & VERT_DATA) == 0)
- return;
-
- if (MESA_VERBOSE&VERBOSE_PIPELINE)
- gl_print_vert_flags("cva merge", flags);
-
- if (flags & VERT_WIN) {
- VB->ClipPtr = &VB->Clip;
- VB->Projected = &VB->Win;
- VB->CullMode = 0;
-
- if (cvaVB->ClipOrMask) {
-
- /* Copy clipmask back into VB, build a new clipOrMask */
- copy_clipmask( VB->ClipMask + VB->Start,
- &VB->ClipOrMask, &VB->ClipAndMask,
- cvaVB->ClipMask,
- elt,
- VB->Count - VB->Start );
-
- /* overkill if !VB->ClipOrMask - should just copy 'copied' verts */
- translate_4f( VB->ClipPtr, cvaVB->ClipPtr, elt, count);
-
- if (VB->ClipOrMask & CLIP_USER_BIT) {
- GLubyte or = 0, and = ~0;
-
- copy_clipmask( VB->UserClipMask + VB->Start,
- &or, &and,
- cvaVB->UserClipMask,
- elt,
- VB->Count - VB->Start);
-
- if (and) VB->ClipAndMask |= CLIP_USER_BIT;
- }
-
- if (VB->ClipOrMask)
- VB->CullMode |= CLIP_MASK_ACTIVE;
-
- if (VB->ClipAndMask) {
- VB->Culled = 1;
- gl_dont_cull_vb( VB );
- return;
- }
- }
-
- translate_4f( &VB->Win, &cvaVB->Win, elt, count );
-
- /* Can't be precomputed - but may be wasteful to do this now.
- */
- if (ctx->IndirectTriangles & DD_ANY_CULL)
- {
- GLuint cullcount = gl_cull_vb( VB );
- if (cullcount) VB->CullMode |= CULL_MASK_ACTIVE;
- if (cullcount == VB->Count) { VB->Culled = 2 ; return; }
- }
- else
- gl_dont_cull_vb( VB );
- } else {
- VB->ClipPtr = &VB->Clip;
- VB->Projected = &VB->Win;
- }
-
- if (flags & VERT_EYE)
- {
- VB->Unprojected = VB->EyePtr = &VB->Eye;
- translate_4f( VB->EyePtr, cvaVB->EyePtr, elt, count);
- }
-
- if (flags & VERT_OBJ_ANY)
- {
- VB->ObjPtr = &VB->IM->v.Obj;
- if (!ctx->NeedEyeCoords) VB->Unprojected = VB->ObjPtr;
- translate_4f( VB->ObjPtr, cvaVB->ObjPtr, elt, count);
- }
-
- if (flags & VERT_NORM)
- {
- VB->NormalPtr = &VB->IM->v.Normal;
- translate_3f( VB->NormalPtr, cvaVB->NormalPtr, elt, count );
- VB->CullMode &= ~COMPACTED_NORMALS;
- }
-
- if (flags & VERT_RGBA)
- {
- VB->ColorPtr = VB->Color[0] = VB->LitColor[0];
- translate_4ub( VB->Color[0], cvaVB->Color[0], elt, count );
-
- if (ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
- VB->Color[1] = VB->LitColor[1];
- translate_4ub( VB->Color[1], cvaVB->Color[1], elt, count );
- }
- }
-
- if (flags & VERT_INDEX)
- {
- VB->IndexPtr = VB->Index[0] = VB->LitIndex[0];
- translate_1ui( VB->Index[0], cvaVB->Index[0], elt, count );
-
- if (ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
- VB->Index[1] = VB->LitIndex[1];
- translate_1ui( VB->Index[1], cvaVB->Index[1], elt, count );
- }
- }
-
- if (flags & VERT_EDGE)
- {
- VB->EdgeFlagPtr = &VB->IM->v.EdgeFlag;
- translate_1ub( VB->EdgeFlagPtr, cvaVB->EdgeFlagPtr, elt, count );
- }
-
- if (flags & VERT_TEX0_ANY)
- {
- VB->TexCoordPtr[0] = &VB->IM->v.TexCoord[0];
- translate_4f( VB->TexCoordPtr[0], cvaVB->TexCoordPtr[0], elt, count);
- }
-
- if (flags & VERT_TEX1_ANY)
- {
- VB->TexCoordPtr[1] = &VB->IM->v.TexCoord[1];
- translate_4f( VB->TexCoordPtr[1], cvaVB->TexCoordPtr[1], elt, count);
- }
- }
-
-
-
-
- /* We don't have a good mechanism for dealing with the situation where
- * cva is 'abandoned' midway through a vertex buffer, or indeed any mixing
- * of cva & standard data in a single immediate struct.
- *
- * Basically just abandon CVA even though the precalced data
- * is already there.
- */
- void gl_rescue_cva( GLcontext *ctx, struct immediate *IM )
- {
- struct vertex_buffer *VB = ctx->VB;
-
- IM->Start = VB->CopyStart;
-
- ctx->CompileCVAFlag = 0;
- gl_build_immediate_pipeline( ctx );
- gl_exec_array_elements( ctx, IM, IM->Start, IM->Count );
- }
-
-
-
-
-
- /* Transform the array components now, upto the setup call. When
- * actual draw commands arrive, the data will be merged prior to
- * calling render_vb.
- */
- void GLAPIENTRY glLockArraysEXT(CTX_ARG GLint first, GLsizei count )
- {
- GLcontext *ctx;
- GET_CONTEXT;
- CHECK_CONTEXT;
- ctx = CC;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx, "unlock arrays" );
-
- if (MESA_VERBOSE & VERBOSE_API)
- fprintf(stderr, "glLockArrays %d %d\n", first, count);
-
- /* Can't mix locked & unlocked - if count is too large, just
- * unlock.
- */
- if (first == 0 &&
- count > 0 &&
- count <= ctx->Const.MaxArrayLockSize)
- {
- struct gl_cva *cva = &ctx->CVA;
-
- if (!ctx->Array.LockCount) {
- ctx->Array.NewArrayState = ~0;
- ctx->CVA.lock_changed ^= 1;
- ctx->NewState |= NEW_CLIENT_STATE;
- }
-
- ctx->Array.LockFirst = first;
- ctx->Array.LockCount = count;
- ctx->CompileCVAFlag = !ctx->CompileFlag;
-
- if (!cva->VB) {
- cva->VB = gl_vb_create_for_cva( ctx, ctx->Const.MaxArrayLockSize );
- gl_alloc_cva_store( cva, cva->VB->Size );
- gl_reset_cva_vb( cva->VB, ~0 );
- }
- }
- else
- {
- if (ctx->Array.LockCount) {
- ctx->CVA.lock_changed ^= 1;
- ctx->NewState |= NEW_CLIENT_STATE;
- }
-
-
- ctx->Array.LockFirst = 0;
- ctx->Array.LockCount = 0;
- ctx->CompileCVAFlag = 0;
- }
- }
-
-
-
-
- void GLAPIENTRY glUnlockArraysEXT(CTX_VOID )
- {
- GLcontext *ctx;
- GET_CONTEXT;
- CHECK_CONTEXT;
- ctx = CC;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx, "unlock arrays" );
-
- if (MESA_VERBOSE & VERBOSE_API)
- fprintf(stderr, "glUnlockArrays\n");
-
- if (ctx->Array.LockCount) {
- ctx->CVA.lock_changed ^= 1;
- ctx->NewState |= NEW_CLIENT_STATE;
- }
-
- ctx->Array.LockFirst = 0;
- ctx->Array.LockCount = 0;
- ctx->CompileCVAFlag = 0;
- }
-
-
- /* This storage used to hold translated client data if type or stride
- * need to be fixed.
- */
- void gl_alloc_cva_store( struct gl_cva *cva, GLuint size )
- {
- cva->store.Obj = (GLfloat (*)[4])MALLOC( sizeof(GLfloat) * 4 * size );
- cva->store.Normal = (GLfloat (*)[3])MALLOC( sizeof(GLfloat) * 3 * size );
- cva->store.Color = (GLubyte (*)[4])MALLOC( sizeof(GLubyte) * 4 * size );
- cva->store.EdgeFlag = (GLubyte *)MALLOC( sizeof(GLubyte) * size );
- cva->store.Index = (GLuint *)MALLOC( sizeof(GLuint) * size );
- cva->store.TexCoord[0] = (GLfloat (*)[4])MALLOC( sizeof(GLfloat) * 4 * size);
- cva->store.TexCoord[1] = (GLfloat (*)[4])MALLOC( sizeof(GLfloat) * 4 * size);
- cva->store.Elt = (GLuint *)MALLOC( sizeof(GLuint) * size );
- cva->elt_size = size;
- }
-
- void gl_free_cva_store( struct gl_cva *cva )
- {
- FREE( cva->store.Obj );
- FREE( cva->store.Normal );
- FREE( cva->store.Color );
- FREE( cva->store.EdgeFlag );
- FREE( cva->store.Index );
- FREE( cva->store.TexCoord[0] );
- FREE( cva->store.TexCoord[1] );
- FREE( cva->store.Elt );
- }
-
-
- void gl_prepare_arrays_cva( struct vertex_buffer *VB )
- {
- GLcontext *ctx = VB->ctx;
- struct gl_cva *cva = &ctx->CVA;
- GLuint start = ctx->Array.LockFirst;
- GLuint n = ctx->Array.LockCount;
- GLuint enable = ((ctx->Array.NewArrayState & ctx->Array.Summary) |
- VB->pipeline->fallback);
- GLuint disable = ctx->Array.NewArrayState & ~enable;
- GLuint i;
-
- if (MESA_VERBOSE&VERBOSE_PIPELINE) {
- gl_print_vert_flags("*** ENABLE", enable);
- gl_print_vert_flags("*** DISABLE", disable);
- }
-
- if (enable)
- {
- struct gl_client_array *client_data;
- GLuint fallback = VB->pipeline->fallback;
-
- if (enable & VERT_ELT)
- {
- GLvector1ui *elt = VB->EltPtr = &cva->v.Elt;
-
- if (cva->Elt.Type == GL_UNSIGNED_INT)
- {
- elt->data = (GLuint *) cva->Elt.Ptr;
- elt->stride = sizeof(GLuint);
- elt->flags = 0;
- } else {
- elt->data = cva->store.Elt;
- elt->stride = sizeof(GLuint);
-
- if (cva->elt_count > cva->elt_size)
- {
- while (cva->elt_count > (cva->elt_size *= 2)) {};
- FREE(cva->store.Elt);
- cva->store.Elt = (GLuint *) MALLOC(cva->elt_size *
- sizeof(GLuint));
- }
- cva->EltFunc( elt->data, &cva->Elt, 0, cva->elt_count );
- }
- elt->start = VEC_ELT(elt, GLuint, 0);
- elt->count = cva->elt_count;
-
- fallback |= (cva->pre.new_inputs & ~ctx->Array.Summary);
- enable |= fallback;
- disable &= ~fallback;
- if (MESA_VERBOSE&VERBOSE_PIPELINE) {
- gl_print_vert_flags("*** NEW INPUTS", cva->pre.new_inputs);
- gl_print_vert_flags("*** FALLBACK", fallback);
- }
- }
-
- if (enable & VERT_RGBA)
- {
- GLvector4ub *col = &cva->v.Color;
-
- client_data = &ctx->Array.Color;
- if (fallback & VERT_RGBA) client_data = &ctx->Fallback.Color;
-
- VB->Color[0] = VB->Color[1] = VB->ColorPtr = &cva->v.Color;
-
- if (client_data->Type != GL_UNSIGNED_BYTE ||
- client_data->Size != 4)
- {
- col->data = cva->store.Color;
- col->stride = 4 * sizeof(GLubyte);
- ctx->Array.ColorFunc( col->data, client_data, start, n );
- col->flags = VEC_WRITABLE|VEC_GOOD_STRIDE;
- } else {
- 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;
- }
- col->start = VEC_ELT(col, GLubyte, start);
- col->count = n;
- }
-
- if (enable & VERT_INDEX)
- {
- GLvector1ui *index = VB->IndexPtr = &cva->v.Index;
- VB->Index[0] = VB->Index[1] = VB->IndexPtr;
-
- client_data = &ctx->Array.Index;
- if (fallback & VERT_INDEX) client_data = &ctx->Fallback.Index;
-
- if (client_data->Type != GL_UNSIGNED_INT)
- {
- index->data = cva->store.Index;
- index->stride = sizeof(GLuint);
- ctx->Array.IndexFunc( index->data, client_data, start, n );
- index->flags = VEC_WRITABLE|VEC_GOOD_STRIDE;
- } else {
- index->data = (GLuint *) client_data->Ptr;
- index->stride = client_data->StrideB;
- index->flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
- if (index->stride != sizeof(GLuint))
- index->flags ^= VEC_STRIDE_FLAGS;
- }
- index->count = n;
- index->start = VEC_ELT(index, GLuint, start);
- }
-
- for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
- if (enable & PIPE_TEX(i)) {
- GLvector4f *tc = VB->TexCoordPtr[i] = &cva->v.TexCoord[i];
-
- client_data = &ctx->Array.TexCoord[i];
-
- if (fallback & PIPE_TEX(i)) {
- client_data = &ctx->Fallback.TexCoord[i];
- client_data->Size = gl_texcoord_size( ctx->Current.Flag, i );
- }
-
- /* Writeability and stride handled lazily by
- * gl_import_client_data().
- */
- if (client_data->Type == GL_FLOAT)
- {
- tc->data = (GLfloat (*)[4]) client_data->Ptr;
- tc->stride = client_data->StrideB;
- tc->flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
- if (tc->stride != 4 * sizeof(GLfloat))
- tc->flags ^= VEC_STRIDE_FLAGS;
- } else {
- tc->data = cva->store.TexCoord[i];
- tc->stride = 4 * sizeof(GLfloat);
- ctx->Array.TexCoordFunc[i]( tc->data, client_data, start, n );
- tc->flags = VEC_WRITABLE|VEC_GOOD_STRIDE;
- }
- tc->count = n;
- tc->start = VEC_ELT(tc, GLfloat, start);
- tc->size = client_data->Size;
- }
-
- if (enable & VERT_OBJ_ANY)
- {
- GLvector4f *obj = VB->ObjPtr = &cva->v.Obj;
-
- if (ctx->Array.Vertex.Type == GL_FLOAT)
- {
- obj->data = (GLfloat (*)[4]) ctx->Array.Vertex.Ptr;
- obj->stride = ctx->Array.Vertex.StrideB;
- obj->flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
- if (obj->stride != 4 * sizeof(GLfloat))
- obj->flags ^= VEC_STRIDE_FLAGS;
- } else {
- obj->data = cva->store.Obj;
- obj->stride = 4 * sizeof(GLfloat);
- ctx->Array.VertexFunc( obj->data, &ctx->Array.Vertex, start, n );
- obj->flags = VEC_WRITABLE|VEC_GOOD_STRIDE;
- }
- obj->count = n;
- obj->start = VEC_ELT(obj, GLfloat, start);
- obj->size = ctx->Array.Vertex.Size;
- }
-
- if (enable & VERT_NORM)
- {
- GLvector3f *norm = VB->NormalPtr = &cva->v.Normal;
-
- client_data = &ctx->Array.Normal;
-
- if (fallback & VERT_NORM)
- client_data = &ctx->Fallback.Normal;
-
- /* Never need to write to normals, and we can always cope with stride.
- */
- if (client_data->Type == GL_FLOAT) {
- norm->data = (GLfloat (*)[3]) client_data->Ptr;
- norm->stride = client_data->StrideB;
- } else {
- norm->data = cva->store.Normal;
- norm->stride = 3 * sizeof(GLfloat);
- ctx->Array.NormalFunc( norm->data, client_data, start, n );
- }
- norm->flags = 0;
- norm->count = n;
- norm->start = VEC_ELT(norm, GLfloat, start);
- }
-
- if (enable & VERT_EDGE)
- {
- GLvector1ub *edge = VB->EdgeFlagPtr = &cva->v.EdgeFlag;
-
- client_data = &ctx->Array.EdgeFlag;
-
- if (fallback & VERT_EDGE)
- client_data = &ctx->Fallback.EdgeFlag;
-
- 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;
-
- edge->count = n;
- edge->start = VEC_ELT(edge, GLubyte, start);
- }
- }
-
- if (disable) {
- if (disable & VERT_RGBA) cva->v.Color = *VB->LitColor[0];
- if (disable & VERT_INDEX) cva->v.Index = *VB->LitIndex[0];
- if (disable & VERT_NORM) cva->v.Normal = *VB->store.Normal;
- if (disable & VERT_OBJ_ANY) cva->v.Obj = *VB->store.Obj;
- if (disable & VERT_TEX0_ANY) cva->v.TexCoord[0]= *(VB->store.TexCoord[0]);
- if (disable & VERT_TEX0_ANY) cva->v.TexCoord[1]= *(VB->store.TexCoord[1]);
- if (disable & VERT_EDGE) cva->v.EdgeFlag = *VB->store.EdgeFlag;
- }
-
- VB->Flag[VB->Count] &= ~VERT_END_VB;
- VB->Count = n;
-
- if (ctx->Enabled & ENABLE_LIGHT)
- {
- if (ctx->Array.Flags != VB->Flag[0])
- VB->FlagMax = 0;
-
- if (VB->FlagMax < n) {
- for (i = VB->FlagMax ; i < n ; i++)
- VB->Flag[i] = ctx->Array.Flags;
- VB->Flag[i] = 0;
- VB->FlagMax = n;
- }
-
- VB->Flag[n] |= VERT_END_VB;
- }
- }
-
- void gl_cva_force_precalc( GLcontext *ctx )
- {
- struct gl_cva *cva = &ctx->CVA;
-
- if (cva->pre.changed_ops)
- gl_reset_cva_vb( cva->VB, cva->pre.changed_ops );
-
- gl_run_pipeline( cva->VB );
-
- ctx->Array.NewArrayState = 0;
- }
-
-
- /* Simplified: just make sure the pipelines are valid.
- */
- void gl_cva_compile_cassette( GLcontext *ctx, struct immediate *IM )
- {
- struct gl_cva *cva = &ctx->CVA;
- cva->orflag |= IM->OrFlag;
-
- /* Allow pipeline recalculation based on inputs received from client.
- */
- if (IM->OrFlag & (cva->pre.forbidden_inputs|cva->elt.forbidden_inputs))
- {
- if (IM->OrFlag & cva->pre.forbidden_inputs)
- {
- cva->pre.pipeline_valid = 0;
- cva->pre.data_valid = 0;
- cva->pre.forbidden_inputs = 0;
- }
-
- if ((IM->OrFlag & cva->elt.forbidden_inputs))
- {
- cva->elt.forbidden_inputs = 0;
- }
-
- cva->elt.pipeline_valid = 0;
- }
-
- /* Recalculate CVA data if necessary.
- */
- if (ctx->CompileCVAFlag && !cva->pre.data_valid)
- {
- if (!cva->pre.pipeline_valid)
- gl_build_precalc_pipeline( ctx );
-
- gl_cva_force_precalc( ctx );
- }
-
- /* Build immediate pipeline if necessary.
- */
- if (!cva->elt.pipeline_valid)
- gl_build_immediate_pipeline( ctx );
-
- gl_fixup_input( ctx, IM );
- gl_execute_cassette( ctx, IM );
- }
-
-
- void gl_cva_init( GLcontext *ctx )
- {
- (void) ctx;
- }
-