changed allocation/initialization of API dispatch tables
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f658ab0e2e
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@ -1,4 +1,4 @@
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/* $Id: context.c,v 1.68 2000/05/23 23:23:00 brianp Exp $ */
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/* $Id: context.c,v 1.69 2000/05/24 15:04:45 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -1341,6 +1341,8 @@ _mesa_initialize_context( GLcontext *ctx,
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void *driver_ctx,
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GLboolean direct )
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{
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GLuint dispatchSize;
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(void) direct; /* not used */
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/* misc one-time initializations */
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@ -1421,9 +1423,17 @@ _mesa_initialize_context( GLcontext *ctx,
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_glapi_add_entrypoint("glCompressedTexSubImage1DARB", 559);
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_glapi_add_entrypoint("glGetCompressedTexImageARB", 560);
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/* Find the larger of Mesa's dispatch table and libGL's dispatch table.
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* In practice, this'll be the same for stand-alone Mesa. But for DRI
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* Mesa we do this to accomodate different versions of libGL and various
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* DRI drivers.
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*/
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dispatchSize = MAX2(_glapi_get_dispatch_table_size(),
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sizeof(struct _glapi_table) / sizeof(void *));
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/* setup API dispatch tables */
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ctx->Exec = (struct _glapi_table *) CALLOC(_glapi_get_dispatch_table_size() * sizeof(void *));
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ctx->Save = (struct _glapi_table *) CALLOC(_glapi_get_dispatch_table_size() * sizeof(void *));
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ctx->Exec = (struct _glapi_table *) CALLOC(dispatchSize * sizeof(void*));
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ctx->Save = (struct _glapi_table *) CALLOC(dispatchSize * sizeof(void*));
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if (!ctx->Exec || !ctx->Save) {
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free_shared_state(ctx, ctx->Shared);
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FREE(ctx->VB);
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@ -1432,8 +1442,8 @@ _mesa_initialize_context( GLcontext *ctx,
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FREE(ctx->Exec);
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FREE(ctx);
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}
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_mesa_init_exec_table( ctx->Exec );
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_mesa_init_dlist_table( ctx->Save );
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_mesa_init_exec_table(ctx->Exec, dispatchSize);
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_mesa_init_dlist_table(ctx->Save, dispatchSize);
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ctx->CurrentDispatch = ctx->Exec;
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return GL_TRUE;
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@ -1,4 +1,4 @@
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/* $Id: context.h,v 1.17 2000/05/04 13:53:55 brianp Exp $ */
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/* $Id: context.h,v 1.18 2000/05/24 15:04:45 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -253,11 +253,4 @@ _mesa_Flush( void );
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extern void
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_mesa_init_no_op_table(struct _glapi_table *exec);
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extern void
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_mesa_init_exec_table(struct _glapi_table *exec);
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#endif
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@ -1,4 +1,4 @@
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/* $Id: dlist.c,v 1.40 2000/05/23 20:10:49 brianp Exp $ */
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/* $Id: dlist.c,v 1.41 2000/05/24 15:04:45 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -4723,13 +4723,13 @@ _mesa_ListBase( GLuint base )
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/*
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* Assign all the pointers in 'table' to point to Mesa's display list
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* Assign all the pointers in <table> to point to Mesa's display list
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* building functions.
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*/
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void
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_mesa_init_dlist_table( struct _glapi_table *table )
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_mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize )
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{
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_mesa_init_no_op_table(table);
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_mesa_init_no_op_table(table, tableSize);
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/* GL 1.0 */
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table->Accum = save_Accum;
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@ -1,4 +1,4 @@
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/* $Id: dlist.h,v 1.3 2000/04/05 14:40:04 brianp Exp $ */
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/* $Id: dlist.h,v 1.4 2000/05/24 15:04:45 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -65,7 +65,7 @@ extern void _mesa_ListBase( GLuint base );
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extern void _mesa_NewList( GLuint list, GLenum mode );
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extern void _mesa_init_dlist_table( struct _glapi_table *table );
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extern void _mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize );
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extern void gl_compile_cassette( GLcontext *ctx );
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@ -1,4 +1,4 @@
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/* $Id: state.c,v 1.13 2000/05/23 20:10:50 brianp Exp $ */
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/* $Id: state.c,v 1.14 2000/05/24 15:04:45 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -99,20 +99,17 @@ generic_noop(void)
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}
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/*
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* Set all pointers in the given dispatch table to point to a
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* generic no-op function.
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*/
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void
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_mesa_init_no_op_table(struct _glapi_table *table)
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_mesa_init_no_op_table(struct _glapi_table *table, GLuint tableSize)
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{
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/* Check to be sure the dispatcher's table is at least as big as Mesa's. */
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const GLuint size = sizeof(struct _glapi_table) / sizeof(void *);
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assert(_glapi_get_dispatch_table_size() >= size);
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{
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const GLuint n = _glapi_get_dispatch_table_size();
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GLuint i;
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void **dispatch = (void **) table;
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for (i = 0; i < n; i++) {
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dispatch[i] = (void *) generic_noop;
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}
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GLuint i;
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void **dispatch = (void **) table;
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for (i = 0; i < tableSize; i++) {
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dispatch[i] = (void *) generic_noop;
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}
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}
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@ -122,10 +119,10 @@ _mesa_init_no_op_table(struct _glapi_table *table)
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* immediate-mode commands.
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*/
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void
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_mesa_init_exec_table(struct _glapi_table *exec)
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_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize)
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{
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/* first initialize all dispatch slots to no-op */
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_mesa_init_no_op_table(exec);
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_mesa_init_no_op_table(exec, tableSize);
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/* load the dispatch slots we understand */
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exec->Accum = _mesa_Accum;
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@ -1,4 +1,4 @@
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/* $Id: state.h,v 1.1 2000/02/02 19:15:19 brianp Exp $ */
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/* $Id: state.h,v 1.2 2000/05/24 15:04:45 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -31,6 +31,13 @@
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#include "types.h"
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extern void
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_mesa_init_no_op_table(struct _glapi_table *exec, GLuint tableSize);
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extern void
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_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize);
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extern void gl_update_state( GLcontext *ctx );
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