+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-#include <precomp.h>
-
-#if FEATURE_dlist
-
-
-typedef void (*attr_func)( struct gl_context *ctx, GLint target, const GLfloat * );
-
-
-/* This file makes heavy use of the aliasing of NV vertex attributes
- * with the legacy attributes, and also with ARB and Material
- * attributes as currently implemented.
- */
-static void VertexAttrib1fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib1fvNV(ctx->Exec, (target, v));
-}
-
-static void VertexAttrib2fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib2fvNV(ctx->Exec, (target, v));
-}
-
-static void VertexAttrib3fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib3fvNV(ctx->Exec, (target, v));
-}
-
-static void VertexAttrib4fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib4fvNV(ctx->Exec, (target, v));
-}
-
-static attr_func vert_attrfunc[4] = {
- VertexAttrib1fvNV,
- VertexAttrib2fvNV,
- VertexAttrib3fvNV,
- VertexAttrib4fvNV
-};
-
-struct loopback_attr {
- GLint target;
- GLint sz;
- attr_func func;
-};
-
-/* Don't emit ends and begins on wrapped primitives. Don't replay
- * wrapped vertices. If we get here, it's probably because the
- * precalculated wrapping is wrong.
- */
-static void loopback_prim( struct gl_context *ctx,
- const GLfloat *buffer,
- const struct _mesa_prim *prim,
- GLuint wrap_count,
- GLuint vertex_size,
- const struct loopback_attr *la, GLuint nr )
-{
- GLint start = prim->start;
- GLint end = start + prim->count;
- const GLfloat *data;
- GLint j;
- GLuint k;
-
- if (0)
- printf("loopback prim %s(%s,%s) verts %d..%d\n",
- _mesa_lookup_prim_by_nr(prim->mode),
- prim->begin ? "begin" : "..",
- prim->end ? "end" : "..",
- start,
- end);
-
- if (prim->begin) {
- CALL_Begin(GET_DISPATCH(), ( prim->mode ));
- }
- else {
- assert(start == 0);
- start += wrap_count;
- }
-
- data = buffer + start * vertex_size;
-
- for (j = start ; j < end ; j++) {
- const GLfloat *tmp = data + la[0].sz;
-
- for (k = 1 ; k < nr ; k++) {
- la[k].func( ctx, la[k].target, tmp );
- tmp += la[k].sz;
- }
-
- /* Fire the vertex
- */
- la[0].func( ctx, VBO_ATTRIB_POS, data );
- data = tmp;
- }
-
- if (prim->end) {
- CALL_End(GET_DISPATCH(), ());
- }
-}
-
-/* Primitives generated by DrawArrays/DrawElements/Rectf may be
- * caught here. If there is no primitive in progress, execute them
- * normally, otherwise need to track and discard the generated
- * primitives.
- */
-static void loopback_weak_prim( struct gl_context *ctx,
- const struct _mesa_prim *prim )
-{
- /* Use the prim_weak flag to ensure that if this primitive
- * wraps, we don't mistake future vertex_lists for part of the
- * surrounding primitive.
- *
- * While this flag is set, we are simply disposing of data
- * generated by an operation now known to be a noop.
- */
- if (prim->begin)
- ctx->Driver.CurrentExecPrimitive |= VBO_SAVE_PRIM_WEAK;
- if (prim->end)
- ctx->Driver.CurrentExecPrimitive &= ~VBO_SAVE_PRIM_WEAK;
-}
-
-
-void vbo_loopback_vertex_list( struct gl_context *ctx,
- const GLfloat *buffer,
- const GLubyte *attrsz,
- const struct _mesa_prim *prim,
- GLuint prim_count,
- GLuint wrap_count,
- GLuint vertex_size)
-{
- struct loopback_attr la[VBO_ATTRIB_MAX];
- GLuint i, nr = 0;
-
- /* All Legacy, NV, ARB and Material attributes are routed through
- * the NV attributes entrypoints:
- */
- for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
- if (attrsz[i]) {
- la[nr].target = i;
- la[nr].sz = attrsz[i];
- la[nr].func = vert_attrfunc[attrsz[i]-1];
- nr++;
- }
- }
-
- for (i = 0 ; i < prim_count ; i++) {
- if ((prim[i].mode & VBO_SAVE_PRIM_WEAK) &&
- (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END))
- {
- loopback_weak_prim( ctx, &prim[i] );
- }
- else
- {
- loopback_prim( ctx, buffer, &prim[i], wrap_count, vertex_size, la, nr );
- }
- }
-}
-
-
-#endif /* FEATURE_dlist */