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-rw-r--r--mesalib/src/mesa/vbo/vbo_save_api.c2620
1 files changed, 1310 insertions, 1310 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_save_api.c b/mesalib/src/mesa/vbo/vbo_save_api.c
index 836c76fe8..52418788d 100644
--- a/mesalib/src/mesa/vbo/vbo_save_api.c
+++ b/mesalib/src/mesa/vbo/vbo_save_api.c
@@ -1,1310 +1,1310 @@
-/**************************************************************************
-
-Copyright 2002-2008 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
-on 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 THEIR 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.
-
-**************************************************************************/
-
-/*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-
-/* Display list compiler attempts to store lists of vertices with the
- * same vertex layout. Additionally it attempts to minimize the need
- * for execute-time fixup of these vertex lists, allowing them to be
- * cached on hardware.
- *
- * There are still some circumstances where this can be thwarted, for
- * example by building a list that consists of one very long primitive
- * (eg Begin(Triangles), 1000 vertices, End), and calling that list
- * from inside a different begin/end object (Begin(Lines), CallList,
- * End).
- *
- * In that case the code will have to replay the list as individual
- * commands through the Exec dispatch table, or fix up the copied
- * vertices at execute-time.
- *
- * The other case where fixup is required is when a vertex attribute
- * is introduced in the middle of a primitive. Eg:
- * Begin(Lines)
- * TexCoord1f() Vertex2f()
- * TexCoord1f() Color3f() Vertex2f()
- * End()
- *
- * If the current value of Color isn't known at compile-time, this
- * primitive will require fixup.
- *
- *
- * The list compiler currently doesn't attempt to compile lists
- * containing EvalCoord or EvalPoint commands. On encountering one of
- * these, compilation falls back to opcodes.
- *
- * This could be improved to fallback only when a mix of EvalCoord and
- * Vertex commands are issued within a single primitive.
- */
-
-
-#include "main/glheader.h"
-#include "main/bufferobj.h"
-#include "main/context.h"
-#include "main/dlist.h"
-#include "main/enums.h"
-#include "main/eval.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/api_noop.h"
-#include "main/api_validate.h"
-#include "main/api_arrayelt.h"
-#include "main/vtxfmt.h"
-#include "main/dispatch.h"
-
-#include "vbo_context.h"
-
-
-#if FEATURE_dlist
-
-
-#ifdef ERROR
-#undef ERROR
-#endif
-
-
-/* An interesting VBO number/name to help with debugging */
-#define VBO_BUF_ID 12345
-
-
-/*
- * NOTE: Old 'parity' issue is gone, but copying can still be
- * wrong-footed on replay.
- */
-static GLuint _save_copy_vertices( struct gl_context *ctx,
- const struct vbo_save_vertex_list *node,
- const GLfloat *src_buffer)
-{
- struct vbo_save_context *save = &vbo_context( ctx )->save;
- const struct _mesa_prim *prim = &node->prim[node->prim_count-1];
- GLuint nr = prim->count;
- GLuint sz = save->vertex_size;
- const GLfloat *src = src_buffer + prim->start * sz;
- GLfloat *dst = save->copied.buffer;
- GLuint ovf, i;
-
- if (prim->end)
- return 0;
-
- switch( prim->mode )
- {
- case GL_POINTS:
- return 0;
- case GL_LINES:
- ovf = nr&1;
- for (i = 0 ; i < ovf ; i++)
- memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
- return i;
- case GL_TRIANGLES:
- ovf = nr%3;
- for (i = 0 ; i < ovf ; i++)
- memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
- return i;
- case GL_QUADS:
- ovf = nr&3;
- for (i = 0 ; i < ovf ; i++)
- memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
- return i;
- case GL_LINE_STRIP:
- if (nr == 0)
- return 0;
- else {
- memcpy( dst, src+(nr-1)*sz, sz*sizeof(GLfloat) );
- return 1;
- }
- case GL_LINE_LOOP:
- case GL_TRIANGLE_FAN:
- case GL_POLYGON:
- if (nr == 0)
- return 0;
- else if (nr == 1) {
- memcpy( dst, src+0, sz*sizeof(GLfloat) );
- return 1;
- } else {
- memcpy( dst, src+0, sz*sizeof(GLfloat) );
- memcpy( dst+sz, src+(nr-1)*sz, sz*sizeof(GLfloat) );
- return 2;
- }
- case GL_TRIANGLE_STRIP:
- case GL_QUAD_STRIP:
- switch (nr) {
- case 0: ovf = 0; break;
- case 1: ovf = 1; break;
- default: ovf = 2 + (nr&1); break;
- }
- for (i = 0 ; i < ovf ; i++)
- memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
- return i;
- default:
- assert(0);
- return 0;
- }
-}
-
-
-static struct vbo_save_vertex_store *alloc_vertex_store( struct gl_context *ctx )
-{
- struct vbo_save_vertex_store *vertex_store = CALLOC_STRUCT(vbo_save_vertex_store);
-
- /* obj->Name needs to be non-zero, but won't ever be examined more
- * closely than that. In particular these buffers won't be entered
- * into the hash and can never be confused with ones visible to the
- * user. Perhaps there could be a special number for internal
- * buffers:
- */
- vertex_store->bufferobj = ctx->Driver.NewBufferObject(ctx,
- VBO_BUF_ID,
- GL_ARRAY_BUFFER_ARB);
-
- ctx->Driver.BufferData( ctx,
- GL_ARRAY_BUFFER_ARB,
- VBO_SAVE_BUFFER_SIZE * sizeof(GLfloat),
- NULL,
- GL_STATIC_DRAW_ARB,
- vertex_store->bufferobj);
-
- vertex_store->buffer = NULL;
- vertex_store->used = 0;
- vertex_store->refcount = 1;
-
- return vertex_store;
-}
-
-static void free_vertex_store( struct gl_context *ctx, struct vbo_save_vertex_store *vertex_store )
-{
- assert(!vertex_store->buffer);
-
- if (vertex_store->bufferobj) {
- _mesa_reference_buffer_object(ctx, &vertex_store->bufferobj, NULL);
- }
-
- FREE( vertex_store );
-}
-
-static GLfloat *map_vertex_store( struct gl_context *ctx, struct vbo_save_vertex_store *vertex_store )
-{
- assert(vertex_store->bufferobj);
- assert(!vertex_store->buffer);
- vertex_store->buffer = (GLfloat *)ctx->Driver.MapBuffer(ctx,
- GL_ARRAY_BUFFER_ARB, /* not used */
- GL_WRITE_ONLY, /* not used */
- vertex_store->bufferobj);
-
- assert(vertex_store->buffer);
- return vertex_store->buffer + vertex_store->used;
-}
-
-static void unmap_vertex_store( struct gl_context *ctx, struct vbo_save_vertex_store *vertex_store )
-{
- ctx->Driver.UnmapBuffer( ctx, GL_ARRAY_BUFFER_ARB, vertex_store->bufferobj );
- vertex_store->buffer = NULL;
-}
-
-
-static struct vbo_save_primitive_store *alloc_prim_store( struct gl_context *ctx )
-{
- struct vbo_save_primitive_store *store = CALLOC_STRUCT(vbo_save_primitive_store);
- (void) ctx;
- store->used = 0;
- store->refcount = 1;
- return store;
-}
-
-static void _save_reset_counters( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- save->prim = save->prim_store->buffer + save->prim_store->used;
- save->buffer = (save->vertex_store->buffer +
- save->vertex_store->used);
-
- assert(save->buffer == save->buffer_ptr);
-
- if (save->vertex_size)
- save->max_vert = ((VBO_SAVE_BUFFER_SIZE - save->vertex_store->used) /
- save->vertex_size);
- else
- save->max_vert = 0;
-
- save->vert_count = 0;
- save->prim_count = 0;
- save->prim_max = VBO_SAVE_PRIM_SIZE - save->prim_store->used;
- save->dangling_attr_ref = 0;
-}
-
-
-/* Insert the active immediate struct onto the display list currently
- * being built.
- */
-static void _save_compile_vertex_list( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- struct vbo_save_vertex_list *node;
-
- /* Allocate space for this structure in the display list currently
- * being compiled.
- */
- node = (struct vbo_save_vertex_list *)
- _mesa_dlist_alloc(ctx, save->opcode_vertex_list, sizeof(*node));
-
- if (!node)
- return;
-
- /* Duplicate our template, increment refcounts to the storage structs:
- */
- memcpy(node->attrsz, save->attrsz, sizeof(node->attrsz));
- node->vertex_size = save->vertex_size;
- node->buffer_offset = (save->buffer - save->vertex_store->buffer) * sizeof(GLfloat);
- node->count = save->vert_count;
- node->wrap_count = save->copied.nr;
- node->dangling_attr_ref = save->dangling_attr_ref;
- node->prim = save->prim;
- node->prim_count = save->prim_count;
- node->vertex_store = save->vertex_store;
- node->prim_store = save->prim_store;
-
- node->vertex_store->refcount++;
- node->prim_store->refcount++;
-
- if (node->prim[0].no_current_update) {
- node->current_size = 0;
- node->current_data = NULL;
- } else {
- node->current_size = node->vertex_size - node->attrsz[0];
- node->current_data = NULL;
-
- if (node->current_size) {
- /* If the malloc fails, we just pull the data out of the VBO
- * later instead.
- */
- node->current_data = MALLOC( node->current_size * sizeof(GLfloat) );
- if (node->current_data) {
- const char *buffer = (const char *)save->vertex_store->buffer;
- unsigned attr_offset = node->attrsz[0] * sizeof(GLfloat);
- unsigned vertex_offset = 0;
-
- if (node->count)
- vertex_offset = (node->count-1) * node->vertex_size * sizeof(GLfloat);
-
- memcpy( node->current_data,
- buffer + node->buffer_offset + vertex_offset + attr_offset,
- node->current_size * sizeof(GLfloat) );
- }
- }
- }
-
-
-
- assert(node->attrsz[VBO_ATTRIB_POS] != 0 ||
- node->count == 0);
-
- if (save->dangling_attr_ref)
- ctx->ListState.CurrentList->Flags |= DLIST_DANGLING_REFS;
-
- save->vertex_store->used += save->vertex_size * node->count;
- save->prim_store->used += node->prim_count;
-
-
- /* Copy duplicated vertices
- */
- save->copied.nr = _save_copy_vertices( ctx, node, save->buffer );
-
-
- /* Deal with GL_COMPILE_AND_EXECUTE:
- */
- if (ctx->ExecuteFlag) {
- struct _glapi_table *dispatch = GET_DISPATCH();
-
- _glapi_set_dispatch(ctx->Exec);
-
- vbo_loopback_vertex_list( ctx,
- (const GLfloat *)((const char *)save->vertex_store->buffer +
- node->buffer_offset),
- node->attrsz,
- node->prim,
- node->prim_count,
- node->wrap_count,
- node->vertex_size);
-
- _glapi_set_dispatch(dispatch);
- }
-
-
- /* Decide whether the storage structs are full, or can be used for
- * the next vertex lists as well.
- */
- if (save->vertex_store->used >
- VBO_SAVE_BUFFER_SIZE - 16 * (save->vertex_size + 4)) {
-
- /* Unmap old store:
- */
- unmap_vertex_store( ctx, save->vertex_store );
-
- /* Release old reference:
- */
- save->vertex_store->refcount--;
- assert(save->vertex_store->refcount != 0);
- save->vertex_store = NULL;
-
- /* Allocate and map new store:
- */
- save->vertex_store = alloc_vertex_store( ctx );
- save->buffer_ptr = map_vertex_store( ctx, save->vertex_store );
- }
-
- if (save->prim_store->used > VBO_SAVE_PRIM_SIZE - 6) {
- save->prim_store->refcount--;
- assert(save->prim_store->refcount != 0);
- save->prim_store = alloc_prim_store( ctx );
- }
-
- /* Reset our structures for the next run of vertices:
- */
- _save_reset_counters( ctx );
-}
-
-
-/* TODO -- If no new vertices have been stored, don't bother saving
- * it.
- */
-static void _save_wrap_buffers( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLint i = save->prim_count - 1;
- GLenum mode;
- GLboolean weak;
- GLboolean no_current_update;
-
- assert(i < (GLint) save->prim_max);
- assert(i >= 0);
-
- /* Close off in-progress primitive.
- */
- save->prim[i].count = (save->vert_count -
- save->prim[i].start);
- mode = save->prim[i].mode;
- weak = save->prim[i].weak;
- no_current_update = save->prim[i].no_current_update;
-
- /* store the copied vertices, and allocate a new list.
- */
- _save_compile_vertex_list( ctx );
-
- /* Restart interrupted primitive
- */
- save->prim[0].mode = mode;
- save->prim[0].weak = weak;
- save->prim[0].no_current_update = no_current_update;
- save->prim[0].begin = 0;
- save->prim[0].end = 0;
- save->prim[0].pad = 0;
- save->prim[0].start = 0;
- save->prim[0].count = 0;
- save->prim[0].num_instances = 1;
- save->prim_count = 1;
-}
-
-
-
-/* Called only when buffers are wrapped as the result of filling the
- * vertex_store struct.
- */
-static void _save_wrap_filled_vertex( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLfloat *data = save->copied.buffer;
- GLuint i;
-
- /* Emit a glEnd to close off the last vertex list.
- */
- _save_wrap_buffers( ctx );
-
- /* Copy stored stored vertices to start of new list.
- */
- assert(save->max_vert - save->vert_count > save->copied.nr);
-
- for (i = 0 ; i < save->copied.nr ; i++) {
- memcpy( save->buffer_ptr, data, save->vertex_size * sizeof(GLfloat));
- data += save->vertex_size;
- save->buffer_ptr += save->vertex_size;
- save->vert_count++;
- }
-}
-
-
-static void _save_copy_to_current( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLuint i;
-
- for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
- if (save->attrsz[i]) {
- save->currentsz[i][0] = save->attrsz[i];
- COPY_CLEAN_4V(save->current[i],
- save->attrsz[i],
- save->attrptr[i]);
- }
- }
-}
-
-
-static void _save_copy_from_current( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLint i;
-
- for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
- switch (save->attrsz[i]) {
- case 4: save->attrptr[i][3] = save->current[i][3];
- case 3: save->attrptr[i][2] = save->current[i][2];
- case 2: save->attrptr[i][1] = save->current[i][1];
- case 1: save->attrptr[i][0] = save->current[i][0];
- case 0: break;
- }
- }
-}
-
-
-
-
-/* Flush existing data, set new attrib size, replay copied vertices.
- */
-static void _save_upgrade_vertex( struct gl_context *ctx,
- GLuint attr,
- GLuint newsz )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLuint oldsz;
- GLuint i;
- GLfloat *tmp;
-
- /* Store the current run of vertices, and emit a GL_END. Emit a
- * BEGIN in the new buffer.
- */
- if (save->vert_count)
- _save_wrap_buffers( ctx );
- else
- assert( save->copied.nr == 0 );
-
- /* Do a COPY_TO_CURRENT to ensure back-copying works for the case
- * when the attribute already exists in the vertex and is having
- * its size increased.
- */
- _save_copy_to_current( ctx );
-
- /* Fix up sizes:
- */
- oldsz = save->attrsz[attr];
- save->attrsz[attr] = newsz;
-
- save->vertex_size += newsz - oldsz;
- save->max_vert = ((VBO_SAVE_BUFFER_SIZE - save->vertex_store->used) /
- save->vertex_size);
- save->vert_count = 0;
-
- /* Recalculate all the attrptr[] values:
- */
- for (i = 0, tmp = save->vertex ; i < VBO_ATTRIB_MAX ; i++) {
- if (save->attrsz[i]) {
- save->attrptr[i] = tmp;
- tmp += save->attrsz[i];
- }
- else
- save->attrptr[i] = NULL; /* will not be dereferenced. */
- }
-
- /* Copy from current to repopulate the vertex with correct values.
- */
- _save_copy_from_current( ctx );
-
- /* Replay stored vertices to translate them to new format here.
- *
- * If there are copied vertices and the new (upgraded) attribute
- * has not been defined before, this list is somewhat degenerate,
- * and will need fixup at runtime.
- */
- if (save->copied.nr)
- {
- GLfloat *data = save->copied.buffer;
- GLfloat *dest = save->buffer;
- GLuint j;
-
- /* Need to note this and fix up at runtime (or loopback):
- */
- if (attr != VBO_ATTRIB_POS && save->currentsz[attr][0] == 0) {
- assert(oldsz == 0);
- save->dangling_attr_ref = GL_TRUE;
- }
-
- for (i = 0 ; i < save->copied.nr ; i++) {
- for (j = 0 ; j < VBO_ATTRIB_MAX ; j++) {
- if (save->attrsz[j]) {
- if (j == attr) {
- if (oldsz) {
- COPY_CLEAN_4V( dest, oldsz, data );
- data += oldsz;
- dest += newsz;
- }
- else {
- COPY_SZ_4V( dest, newsz, save->current[attr] );
- dest += newsz;
- }
- }
- else {
- GLint sz = save->attrsz[j];
- COPY_SZ_4V( dest, sz, data );
- data += sz;
- dest += sz;
- }
- }
- }
- }
-
- save->buffer_ptr = dest;
- save->vert_count += save->copied.nr;
- }
-}
-
-static void save_fixup_vertex( struct gl_context *ctx, GLuint attr, GLuint sz )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- if (sz > save->attrsz[attr]) {
- /* New size is larger. Need to flush existing vertices and get
- * an enlarged vertex format.
- */
- _save_upgrade_vertex( ctx, attr, sz );
- }
- else if (sz < save->active_sz[attr]) {
- static GLfloat id[4] = { 0, 0, 0, 1 };
- GLuint i;
-
- /* New size is equal or smaller - just need to fill in some
- * zeros.
- */
- for (i = sz ; i <= save->attrsz[attr] ; i++)
- save->attrptr[attr][i-1] = id[i-1];
- }
-
- save->active_sz[attr] = sz;
-}
-
-static void _save_reset_vertex( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLuint i;
-
- for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
- save->attrsz[i] = 0;
- save->active_sz[i] = 0;
- }
-
- save->vertex_size = 0;
-}
-
-
-
-#define ERROR(err) _mesa_compile_error( ctx, err, __FUNCTION__ );
-
-
-/* Only one size for each attribute may be active at once. Eg. if
- * Color3f is installed/active, then Color4f may not be, even if the
- * vertex actually contains 4 color coordinates. This is because the
- * 3f version won't otherwise set color[3] to 1.0 -- this is the job
- * of the chooser function when switching between Color4f and Color3f.
- */
-#define ATTR( A, N, V0, V1, V2, V3 ) \
-do { \
- struct vbo_save_context *save = &vbo_context(ctx)->save; \
- \
- if (save->active_sz[A] != N) \
- save_fixup_vertex(ctx, A, N); \
- \
- { \
- GLfloat *dest = save->attrptr[A]; \
- if (N>0) dest[0] = V0; \
- if (N>1) dest[1] = V1; \
- if (N>2) dest[2] = V2; \
- if (N>3) dest[3] = V3; \
- } \
- \
- if ((A) == 0) { \
- GLuint i; \
- \
- for (i = 0; i < save->vertex_size; i++) \
- save->buffer_ptr[i] = save->vertex[i]; \
- \
- save->buffer_ptr += save->vertex_size; \
- \
- if (++save->vert_count >= save->max_vert) \
- _save_wrap_filled_vertex( ctx ); \
- } \
-} while (0)
-
-#define TAG(x) _save_##x
-
-#include "vbo_attrib_tmp.h"
-
-
-
-
-/* Cope with EvalCoord/CallList called within a begin/end object:
- * -- Flush current buffer
- * -- Fallback to opcodes for the rest of the begin/end object.
- */
-static void DO_FALLBACK( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- if (save->vert_count || save->prim_count) {
- GLint i = save->prim_count - 1;
-
- /* Close off in-progress primitive.
- */
- save->prim[i].count = (save->vert_count -
- save->prim[i].start);
-
- /* Need to replay this display list with loopback,
- * unfortunately, otherwise this primitive won't be handled
- * properly:
- */
- save->dangling_attr_ref = 1;
-
- _save_compile_vertex_list( ctx );
- }
-
- _save_copy_to_current( ctx );
- _save_reset_vertex( ctx );
- _save_reset_counters( ctx );
- _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
- ctx->Driver.SaveNeedFlush = 0;
-}
-
-static void GLAPIENTRY _save_EvalCoord1f( GLfloat u )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_EvalCoord1f(ctx->Save, (u));
-}
-
-static void GLAPIENTRY _save_EvalCoord1fv( const GLfloat *v )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_EvalCoord1fv(ctx->Save, (v));
-}
-
-static void GLAPIENTRY _save_EvalCoord2f( GLfloat u, GLfloat v )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_EvalCoord2f(ctx->Save, (u, v));
-}
-
-static void GLAPIENTRY _save_EvalCoord2fv( const GLfloat *v )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_EvalCoord2fv(ctx->Save, (v));
-}
-
-static void GLAPIENTRY _save_EvalPoint1( GLint i )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_EvalPoint1(ctx->Save, (i));
-}
-
-static void GLAPIENTRY _save_EvalPoint2( GLint i, GLint j )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_EvalPoint2(ctx->Save, (i, j));
-}
-
-static void GLAPIENTRY _save_CallList( GLuint l )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_CallList(ctx->Save, (l));
-}
-
-static void GLAPIENTRY _save_CallLists( GLsizei n, GLenum type, const GLvoid *v )
-{
- GET_CURRENT_CONTEXT(ctx);
- DO_FALLBACK(ctx);
- CALL_CallLists(ctx->Save, (n, type, v));
-}
-
-
-
-
-/* This begin is hooked into ... Updating of
- * ctx->Driver.CurrentSavePrimitive is already taken care of.
- */
-GLboolean vbo_save_NotifyBegin( struct gl_context *ctx, GLenum mode )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- GLuint i = save->prim_count++;
-
- assert(i < save->prim_max);
- save->prim[i].mode = mode & VBO_SAVE_PRIM_MODE_MASK;
- save->prim[i].begin = 1;
- save->prim[i].end = 0;
- save->prim[i].weak = (mode & VBO_SAVE_PRIM_WEAK) ? 1 : 0;
- save->prim[i].no_current_update = (mode & VBO_SAVE_PRIM_NO_CURRENT_UPDATE) ? 1 : 0;
- save->prim[i].pad = 0;
- save->prim[i].start = save->vert_count;
- save->prim[i].count = 0;
- save->prim[i].num_instances = 1;
-
- _mesa_install_save_vtxfmt( ctx, &save->vtxfmt );
- ctx->Driver.SaveNeedFlush = 1;
- return GL_TRUE;
-}
-
-
-
-static void GLAPIENTRY _save_End( void )
-{
- GET_CURRENT_CONTEXT( ctx );
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLint i = save->prim_count - 1;
-
- ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
- save->prim[i].end = 1;
- save->prim[i].count = (save->vert_count -
- save->prim[i].start);
-
- if (i == (GLint) save->prim_max - 1) {
- _save_compile_vertex_list( ctx );
- assert(save->copied.nr == 0);
- }
-
- /* Swap out this vertex format while outside begin/end. Any color,
- * etc. received between here and the next begin will be compiled
- * as opcodes.
- */
- _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
-}
-
-
-/* These are all errors as this vtxfmt is only installed inside
- * begin/end pairs.
- */
-static void GLAPIENTRY _save_DrawElements(GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices)
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) count; (void) type; (void) indices;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawElements" );
-}
-
-
-static void GLAPIENTRY _save_DrawRangeElements(GLenum mode,
- GLuint start, GLuint end,
- GLsizei count, GLenum type,
- const GLvoid *indices)
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) start; (void) end; (void) count; (void) type; (void) indices;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawRangeElements" );
-}
-
-static void GLAPIENTRY _save_DrawElementsBaseVertex(GLenum mode,
- GLsizei count,
- GLenum type,
- const GLvoid *indices,
- GLint basevertex)
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) count; (void) type; (void) indices; (void)basevertex;
-
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawElements" );
-}
-
-static void GLAPIENTRY _save_DrawRangeElementsBaseVertex(GLenum mode,
- GLuint start,
- GLuint end,
- GLsizei count,
- GLenum type,
- const GLvoid *indices,
- GLint basevertex)
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) start; (void) end; (void) count; (void) type;
- (void) indices; (void)basevertex;
-
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawRangeElements" );
-}
-
-static void GLAPIENTRY _save_DrawArrays(GLenum mode, GLint start, GLsizei count)
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) start; (void) count;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawArrays" );
-}
-
-static void GLAPIENTRY _save_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) x1; (void) y1; (void) x2; (void) y2;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glRectf" );
-}
-
-static void GLAPIENTRY _save_EvalMesh1( GLenum mode, GLint i1, GLint i2 )
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) i1; (void) i2;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glEvalMesh1" );
-}
-
-static void GLAPIENTRY _save_EvalMesh2( GLenum mode, GLint i1, GLint i2,
- GLint j1, GLint j2 )
-{
- GET_CURRENT_CONTEXT(ctx);
- (void) mode; (void) i1; (void) i2; (void) j1; (void) j2;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glEvalMesh2" );
-}
-
-static void GLAPIENTRY _save_Begin( GLenum mode )
-{
- GET_CURRENT_CONTEXT( ctx );
- (void) mode;
- _mesa_compile_error( ctx, GL_INVALID_OPERATION, "Recursive glBegin" );
-}
-
-
-static void GLAPIENTRY _save_PrimitiveRestartNV( void )
-{
- GLenum curPrim;
- GET_CURRENT_CONTEXT( ctx );
-
- curPrim = ctx->Driver.CurrentSavePrimitive;
-
- _save_End();
- _save_Begin(curPrim);
-}
-
-
-/* Unlike the functions above, these are to be hooked into the vtxfmt
- * maintained in ctx->ListState, active when the list is known or
- * suspected to be outside any begin/end primitive.
- */
-static void GLAPIENTRY _save_OBE_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
-{
- GET_CURRENT_CONTEXT(ctx);
- vbo_save_NotifyBegin( ctx, GL_QUADS | VBO_SAVE_PRIM_WEAK );
- CALL_Vertex2f(GET_DISPATCH(), ( x1, y1 ));
- CALL_Vertex2f(GET_DISPATCH(), ( x2, y1 ));
- CALL_Vertex2f(GET_DISPATCH(), ( x2, y2 ));
- CALL_Vertex2f(GET_DISPATCH(), ( x1, y2 ));
- CALL_End(GET_DISPATCH(), ());
-}
-
-
-static void GLAPIENTRY _save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei count)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
-
- if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
- return;
-
- _ae_map_vbos( ctx );
-
- vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK | VBO_SAVE_PRIM_NO_CURRENT_UPDATE);
-
- for (i = 0; i < count; i++)
- CALL_ArrayElement(GET_DISPATCH(), (start + i));
- CALL_End(GET_DISPATCH(), ());
-
- _ae_unmap_vbos( ctx );
-}
-
-/* Could do better by copying the arrays and element list intact and
- * then emitting an indexed prim at runtime.
- */
-static void GLAPIENTRY _save_OBE_DrawElements(GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
-
- if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices, 0 ))
- return;
-
- _ae_map_vbos( ctx );
-
- if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj))
- indices = ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Pointer, indices);
-
- vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK | VBO_SAVE_PRIM_NO_CURRENT_UPDATE );
-
- switch (type) {
- case GL_UNSIGNED_BYTE:
- for (i = 0 ; i < count ; i++)
- CALL_ArrayElement(GET_DISPATCH(), ( ((GLubyte *)indices)[i] ));
- break;
- case GL_UNSIGNED_SHORT:
- for (i = 0 ; i < count ; i++)
- CALL_ArrayElement(GET_DISPATCH(), ( ((GLushort *)indices)[i] ));
- break;
- case GL_UNSIGNED_INT:
- for (i = 0 ; i < count ; i++)
- CALL_ArrayElement(GET_DISPATCH(), ( ((GLuint *)indices)[i] ));
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
- break;
- }
-
- CALL_End(GET_DISPATCH(), ());
-
- _ae_unmap_vbos( ctx );
-}
-
-static void GLAPIENTRY _save_OBE_DrawRangeElements(GLenum mode,
- GLuint start, GLuint end,
- GLsizei count, GLenum type,
- const GLvoid *indices)
-{
- GET_CURRENT_CONTEXT(ctx);
- if (_mesa_validate_DrawRangeElements( ctx, mode,
- start, end,
- count, type, indices, 0 ))
- _save_OBE_DrawElements( mode, count, type, indices );
-}
-
-
-
-
-
-static void _save_vtxfmt_init( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLvertexformat *vfmt = &save->vtxfmt;
-
- _MESA_INIT_ARRAYELT_VTXFMT(vfmt, _ae_);
-
- vfmt->Begin = _save_Begin;
- vfmt->Color3f = _save_Color3f;
- vfmt->Color3fv = _save_Color3fv;
- vfmt->Color4f = _save_Color4f;
- vfmt->Color4fv = _save_Color4fv;
- vfmt->EdgeFlag = _save_EdgeFlag;
- vfmt->End = _save_End;
- vfmt->PrimitiveRestartNV = _save_PrimitiveRestartNV;
- vfmt->FogCoordfEXT = _save_FogCoordfEXT;
- vfmt->FogCoordfvEXT = _save_FogCoordfvEXT;
- vfmt->Indexf = _save_Indexf;
- vfmt->Indexfv = _save_Indexfv;
- vfmt->Materialfv = _save_Materialfv;
- vfmt->MultiTexCoord1fARB = _save_MultiTexCoord1f;
- vfmt->MultiTexCoord1fvARB = _save_MultiTexCoord1fv;
- vfmt->MultiTexCoord2fARB = _save_MultiTexCoord2f;
- vfmt->MultiTexCoord2fvARB = _save_MultiTexCoord2fv;
- vfmt->MultiTexCoord3fARB = _save_MultiTexCoord3f;
- vfmt->MultiTexCoord3fvARB = _save_MultiTexCoord3fv;
- vfmt->MultiTexCoord4fARB = _save_MultiTexCoord4f;
- vfmt->MultiTexCoord4fvARB = _save_MultiTexCoord4fv;
- vfmt->Normal3f = _save_Normal3f;
- vfmt->Normal3fv = _save_Normal3fv;
- vfmt->SecondaryColor3fEXT = _save_SecondaryColor3fEXT;
- vfmt->SecondaryColor3fvEXT = _save_SecondaryColor3fvEXT;
- vfmt->TexCoord1f = _save_TexCoord1f;
- vfmt->TexCoord1fv = _save_TexCoord1fv;
- vfmt->TexCoord2f = _save_TexCoord2f;
- vfmt->TexCoord2fv = _save_TexCoord2fv;
- vfmt->TexCoord3f = _save_TexCoord3f;
- vfmt->TexCoord3fv = _save_TexCoord3fv;
- vfmt->TexCoord4f = _save_TexCoord4f;
- vfmt->TexCoord4fv = _save_TexCoord4fv;
- vfmt->Vertex2f = _save_Vertex2f;
- vfmt->Vertex2fv = _save_Vertex2fv;
- vfmt->Vertex3f = _save_Vertex3f;
- vfmt->Vertex3fv = _save_Vertex3fv;
- vfmt->Vertex4f = _save_Vertex4f;
- vfmt->Vertex4fv = _save_Vertex4fv;
- vfmt->VertexAttrib1fARB = _save_VertexAttrib1fARB;
- vfmt->VertexAttrib1fvARB = _save_VertexAttrib1fvARB;
- vfmt->VertexAttrib2fARB = _save_VertexAttrib2fARB;
- vfmt->VertexAttrib2fvARB = _save_VertexAttrib2fvARB;
- vfmt->VertexAttrib3fARB = _save_VertexAttrib3fARB;
- vfmt->VertexAttrib3fvARB = _save_VertexAttrib3fvARB;
- vfmt->VertexAttrib4fARB = _save_VertexAttrib4fARB;
- vfmt->VertexAttrib4fvARB = _save_VertexAttrib4fvARB;
-
- vfmt->VertexAttrib1fNV = _save_VertexAttrib1fNV;
- vfmt->VertexAttrib1fvNV = _save_VertexAttrib1fvNV;
- vfmt->VertexAttrib2fNV = _save_VertexAttrib2fNV;
- vfmt->VertexAttrib2fvNV = _save_VertexAttrib2fvNV;
- vfmt->VertexAttrib3fNV = _save_VertexAttrib3fNV;
- vfmt->VertexAttrib3fvNV = _save_VertexAttrib3fvNV;
- vfmt->VertexAttrib4fNV = _save_VertexAttrib4fNV;
- vfmt->VertexAttrib4fvNV = _save_VertexAttrib4fvNV;
-
- /* integer-valued */
- vfmt->VertexAttribI1i = _save_VertexAttribI1i;
- vfmt->VertexAttribI2i = _save_VertexAttribI2i;
- vfmt->VertexAttribI3i = _save_VertexAttribI3i;
- vfmt->VertexAttribI4i = _save_VertexAttribI4i;
- vfmt->VertexAttribI2iv = _save_VertexAttribI2iv;
- vfmt->VertexAttribI3iv = _save_VertexAttribI3iv;
- vfmt->VertexAttribI4iv = _save_VertexAttribI4iv;
-
- /* unsigned integer-valued */
- vfmt->VertexAttribI1ui = _save_VertexAttribI1ui;
- vfmt->VertexAttribI2ui = _save_VertexAttribI2ui;
- vfmt->VertexAttribI3ui = _save_VertexAttribI3ui;
- vfmt->VertexAttribI4ui = _save_VertexAttribI4ui;
- vfmt->VertexAttribI2uiv = _save_VertexAttribI2uiv;
- vfmt->VertexAttribI3uiv = _save_VertexAttribI3uiv;
- vfmt->VertexAttribI4uiv = _save_VertexAttribI4uiv;
-
- /* This will all require us to fallback to saving the list as opcodes:
- */
- _MESA_INIT_DLIST_VTXFMT(vfmt, _save_); /* inside begin/end */
-
- _MESA_INIT_EVAL_VTXFMT(vfmt, _save_);
-
- /* These are all errors as we at least know we are in some sort of
- * begin/end pair:
- */
- vfmt->Begin = _save_Begin;
- vfmt->Rectf = _save_Rectf;
- vfmt->DrawArrays = _save_DrawArrays;
- vfmt->DrawElements = _save_DrawElements;
- vfmt->DrawRangeElements = _save_DrawRangeElements;
- vfmt->DrawElementsBaseVertex = _save_DrawElementsBaseVertex;
- vfmt->DrawRangeElementsBaseVertex = _save_DrawRangeElementsBaseVertex;
- /* Loops back into vfmt->DrawElements */
- vfmt->MultiDrawElementsEXT = _mesa_noop_MultiDrawElements;
- vfmt->MultiDrawElementsBaseVertex = _mesa_noop_MultiDrawElementsBaseVertex;
-}
-
-
-void vbo_save_SaveFlushVertices( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- /* Noop when we are actually active:
- */
- if (ctx->Driver.CurrentSavePrimitive == PRIM_INSIDE_UNKNOWN_PRIM ||
- ctx->Driver.CurrentSavePrimitive <= GL_POLYGON)
- return;
-
- if (save->vert_count ||
- save->prim_count)
- _save_compile_vertex_list( ctx );
-
- _save_copy_to_current( ctx );
- _save_reset_vertex( ctx );
- _save_reset_counters( ctx );
- ctx->Driver.SaveNeedFlush = 0;
-}
-
-void vbo_save_NewList( struct gl_context *ctx, GLuint list, GLenum mode )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- (void) list; (void) mode;
-
- if (!save->prim_store)
- save->prim_store = alloc_prim_store( ctx );
-
- if (!save->vertex_store)
- save->vertex_store = alloc_vertex_store( ctx );
-
- save->buffer_ptr = map_vertex_store( ctx, save->vertex_store );
-
- _save_reset_vertex( ctx );
- _save_reset_counters( ctx );
- ctx->Driver.SaveNeedFlush = 0;
-}
-
-void vbo_save_EndList( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- /* EndList called inside a (saved) Begin/End pair?
- */
- if (ctx->Driver.CurrentSavePrimitive != PRIM_OUTSIDE_BEGIN_END) {
-
- if (save->prim_count > 0) {
- GLint i = save->prim_count - 1;
- ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
- save->prim[i].end = 0;
- save->prim[i].count = (save->vert_count -
- save->prim[i].start);
- }
-
- /* Make sure this vertex list gets replayed by the "loopback"
- * mechanism:
- */
- save->dangling_attr_ref = 1;
- vbo_save_SaveFlushVertices( ctx );
-
- /* Swap out this vertex format while outside begin/end. Any color,
- * etc. received between here and the next begin will be compiled
- * as opcodes.
- */
- _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
- }
-
- unmap_vertex_store( ctx, save->vertex_store );
-
- assert(save->vertex_size == 0);
-}
-
-void vbo_save_BeginCallList( struct gl_context *ctx, struct gl_display_list *dlist )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- save->replay_flags |= dlist->Flags;
-}
-
-void vbo_save_EndCallList( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- if (ctx->ListState.CallDepth == 1) {
- /* This is correct: want to keep only the VBO_SAVE_FALLBACK
- * flag, if it is set:
- */
- save->replay_flags &= VBO_SAVE_FALLBACK;
- }
-}
-
-
-static void vbo_destroy_vertex_list( struct gl_context *ctx, void *data )
-{
- struct vbo_save_vertex_list *node = (struct vbo_save_vertex_list *)data;
- (void) ctx;
-
- if ( --node->vertex_store->refcount == 0 )
- free_vertex_store( ctx, node->vertex_store );
-
- if ( --node->prim_store->refcount == 0 )
- FREE( node->prim_store );
-
- if (node->current_data) {
- FREE(node->current_data);
- node->current_data = NULL;
- }
-}
-
-
-static void vbo_print_vertex_list( struct gl_context *ctx, void *data )
-{
- struct vbo_save_vertex_list *node = (struct vbo_save_vertex_list *)data;
- GLuint i;
- (void) ctx;
-
- printf("VBO-VERTEX-LIST, %u vertices %d primitives, %d vertsize\n",
- node->count,
- node->prim_count,
- node->vertex_size);
-
- for (i = 0 ; i < node->prim_count ; i++) {
- struct _mesa_prim *prim = &node->prim[i];
- _mesa_debug(NULL, " prim %d: %s%s %d..%d %s %s\n",
- i,
- _mesa_lookup_prim_by_nr(prim->mode),
- prim->weak ? " (weak)" : "",
- prim->start,
- prim->start + prim->count,
- (prim->begin) ? "BEGIN" : "(wrap)",
- (prim->end) ? "END" : "(wrap)");
- }
-}
-
-
-static void _save_current_init( struct gl_context *ctx )
-{
- struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLint i;
-
- for (i = VBO_ATTRIB_POS; i <= VBO_ATTRIB_GENERIC15; i++) {
- const GLuint j = i - VBO_ATTRIB_POS;
- ASSERT(j < VERT_ATTRIB_MAX);
- save->currentsz[i] = &ctx->ListState.ActiveAttribSize[j];
- save->current[i] = ctx->ListState.CurrentAttrib[j];
- }
-
- for (i = VBO_ATTRIB_FIRST_MATERIAL; i <= VBO_ATTRIB_LAST_MATERIAL; i++) {
- const GLuint j = i - VBO_ATTRIB_FIRST_MATERIAL;
- ASSERT(j < MAT_ATTRIB_MAX);
- save->currentsz[i] = &ctx->ListState.ActiveMaterialSize[j];
- save->current[i] = ctx->ListState.CurrentMaterial[j];
- }
-}
-
-/**
- * Initialize the display list compiler
- */
-void vbo_save_api_init( struct vbo_save_context *save )
-{
- struct gl_context *ctx = save->ctx;
- GLuint i;
-
- save->opcode_vertex_list =
- _mesa_dlist_alloc_opcode( ctx,
- sizeof(struct vbo_save_vertex_list),
- vbo_save_playback_vertex_list,
- vbo_destroy_vertex_list,
- vbo_print_vertex_list );
-
- ctx->Driver.NotifySaveBegin = vbo_save_NotifyBegin;
-
- _save_vtxfmt_init( ctx );
- _save_current_init( ctx );
-
- /* These will actually get set again when binding/drawing */
- for (i = 0; i < VBO_ATTRIB_MAX; i++)
- save->inputs[i] = &save->arrays[i];
-
- /* Hook our array functions into the outside-begin-end vtxfmt in
- * ctx->ListState.
- */
- ctx->ListState.ListVtxfmt.Rectf = _save_OBE_Rectf;
- ctx->ListState.ListVtxfmt.DrawArrays = _save_OBE_DrawArrays;
- ctx->ListState.ListVtxfmt.DrawElements = _save_OBE_DrawElements;
- ctx->ListState.ListVtxfmt.DrawRangeElements = _save_OBE_DrawRangeElements;
- /* loops back into _save_OBE_DrawElements */
- ctx->ListState.ListVtxfmt.MultiDrawElementsEXT = _mesa_noop_MultiDrawElements;
- ctx->ListState.ListVtxfmt.MultiDrawElementsBaseVertex = _mesa_noop_MultiDrawElementsBaseVertex;
- _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
-}
-
-
-#endif /* FEATURE_dlist */
+/**************************************************************************
+
+Copyright 2002-2008 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
+on 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 THEIR 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+
+/* Display list compiler attempts to store lists of vertices with the
+ * same vertex layout. Additionally it attempts to minimize the need
+ * for execute-time fixup of these vertex lists, allowing them to be
+ * cached on hardware.
+ *
+ * There are still some circumstances where this can be thwarted, for
+ * example by building a list that consists of one very long primitive
+ * (eg Begin(Triangles), 1000 vertices, End), and calling that list
+ * from inside a different begin/end object (Begin(Lines), CallList,
+ * End).
+ *
+ * In that case the code will have to replay the list as individual
+ * commands through the Exec dispatch table, or fix up the copied
+ * vertices at execute-time.
+ *
+ * The other case where fixup is required is when a vertex attribute
+ * is introduced in the middle of a primitive. Eg:
+ * Begin(Lines)
+ * TexCoord1f() Vertex2f()
+ * TexCoord1f() Color3f() Vertex2f()
+ * End()
+ *
+ * If the current value of Color isn't known at compile-time, this
+ * primitive will require fixup.
+ *
+ *
+ * The list compiler currently doesn't attempt to compile lists
+ * containing EvalCoord or EvalPoint commands. On encountering one of
+ * these, compilation falls back to opcodes.
+ *
+ * This could be improved to fallback only when a mix of EvalCoord and
+ * Vertex commands are issued within a single primitive.
+ */
+
+
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/dlist.h"
+#include "main/enums.h"
+#include "main/eval.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/api_noop.h"
+#include "main/api_validate.h"
+#include "main/api_arrayelt.h"
+#include "main/vtxfmt.h"
+#include "main/dispatch.h"
+
+#include "vbo_context.h"
+
+
+#if FEATURE_dlist
+
+
+#ifdef ERROR
+#undef ERROR
+#endif
+
+
+/* An interesting VBO number/name to help with debugging */
+#define VBO_BUF_ID 12345
+
+
+/*
+ * NOTE: Old 'parity' issue is gone, but copying can still be
+ * wrong-footed on replay.
+ */
+static GLuint _save_copy_vertices( struct gl_context *ctx,
+ const struct vbo_save_vertex_list *node,
+ const GLfloat *src_buffer)
+{
+ struct vbo_save_context *save = &vbo_context( ctx )->save;
+ const struct _mesa_prim *prim = &node->prim[node->prim_count-1];
+ GLuint nr = prim->count;
+ GLuint sz = save->vertex_size;
+ const GLfloat *src = src_buffer + prim->start * sz;
+ GLfloat *dst = save->copied.buffer;
+ GLuint ovf, i;
+
+ if (prim->end)
+ return 0;
+
+ switch( prim->mode )
+ {
+ case GL_POINTS:
+ return 0;
+ case GL_LINES:
+ ovf = nr&1;
+ for (i = 0 ; i < ovf ; i++)
+ memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
+ return i;
+ case GL_TRIANGLES:
+ ovf = nr%3;
+ for (i = 0 ; i < ovf ; i++)
+ memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
+ return i;
+ case GL_QUADS:
+ ovf = nr&3;
+ for (i = 0 ; i < ovf ; i++)
+ memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
+ return i;
+ case GL_LINE_STRIP:
+ if (nr == 0)
+ return 0;
+ else {
+ memcpy( dst, src+(nr-1)*sz, sz*sizeof(GLfloat) );
+ return 1;
+ }
+ case GL_LINE_LOOP:
+ case GL_TRIANGLE_FAN:
+ case GL_POLYGON:
+ if (nr == 0)
+ return 0;
+ else if (nr == 1) {
+ memcpy( dst, src+0, sz*sizeof(GLfloat) );
+ return 1;
+ } else {
+ memcpy( dst, src+0, sz*sizeof(GLfloat) );
+ memcpy( dst+sz, src+(nr-1)*sz, sz*sizeof(GLfloat) );
+ return 2;
+ }
+ case GL_TRIANGLE_STRIP:
+ case GL_QUAD_STRIP:
+ switch (nr) {
+ case 0: ovf = 0; break;
+ case 1: ovf = 1; break;
+ default: ovf = 2 + (nr&1); break;
+ }
+ for (i = 0 ; i < ovf ; i++)
+ memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
+ return i;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+static struct vbo_save_vertex_store *alloc_vertex_store( struct gl_context *ctx )
+{
+ struct vbo_save_vertex_store *vertex_store = CALLOC_STRUCT(vbo_save_vertex_store);
+
+ /* obj->Name needs to be non-zero, but won't ever be examined more
+ * closely than that. In particular these buffers won't be entered
+ * into the hash and can never be confused with ones visible to the
+ * user. Perhaps there could be a special number for internal
+ * buffers:
+ */
+ vertex_store->bufferobj = ctx->Driver.NewBufferObject(ctx,
+ VBO_BUF_ID,
+ GL_ARRAY_BUFFER_ARB);
+
+ ctx->Driver.BufferData( ctx,
+ GL_ARRAY_BUFFER_ARB,
+ VBO_SAVE_BUFFER_SIZE * sizeof(GLfloat),
+ NULL,
+ GL_STATIC_DRAW_ARB,
+ vertex_store->bufferobj);
+
+ vertex_store->buffer = NULL;
+ vertex_store->used = 0;
+ vertex_store->refcount = 1;
+
+ return vertex_store;
+}
+
+static void free_vertex_store( struct gl_context *ctx, struct vbo_save_vertex_store *vertex_store )
+{
+ assert(!vertex_store->buffer);
+
+ if (vertex_store->bufferobj) {
+ _mesa_reference_buffer_object(ctx, &vertex_store->bufferobj, NULL);
+ }
+
+ FREE( vertex_store );
+}
+
+static GLfloat *map_vertex_store( struct gl_context *ctx, struct vbo_save_vertex_store *vertex_store )
+{
+ assert(vertex_store->bufferobj);
+ assert(!vertex_store->buffer);
+ vertex_store->buffer = (GLfloat *)ctx->Driver.MapBuffer(ctx,
+ GL_ARRAY_BUFFER_ARB, /* not used */
+ GL_WRITE_ONLY, /* not used */
+ vertex_store->bufferobj);
+
+ assert(vertex_store->buffer);
+ return vertex_store->buffer + vertex_store->used;
+}
+
+static void unmap_vertex_store( struct gl_context *ctx, struct vbo_save_vertex_store *vertex_store )
+{
+ ctx->Driver.UnmapBuffer( ctx, GL_ARRAY_BUFFER_ARB, vertex_store->bufferobj );
+ vertex_store->buffer = NULL;
+}
+
+
+static struct vbo_save_primitive_store *alloc_prim_store( struct gl_context *ctx )
+{
+ struct vbo_save_primitive_store *store = CALLOC_STRUCT(vbo_save_primitive_store);
+ (void) ctx;
+ store->used = 0;
+ store->refcount = 1;
+ return store;
+}
+
+static void _save_reset_counters( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ save->prim = save->prim_store->buffer + save->prim_store->used;
+ save->buffer = (save->vertex_store->buffer +
+ save->vertex_store->used);
+
+ assert(save->buffer == save->buffer_ptr);
+
+ if (save->vertex_size)
+ save->max_vert = ((VBO_SAVE_BUFFER_SIZE - save->vertex_store->used) /
+ save->vertex_size);
+ else
+ save->max_vert = 0;
+
+ save->vert_count = 0;
+ save->prim_count = 0;
+ save->prim_max = VBO_SAVE_PRIM_SIZE - save->prim_store->used;
+ save->dangling_attr_ref = 0;
+}
+
+
+/* Insert the active immediate struct onto the display list currently
+ * being built.
+ */
+static void _save_compile_vertex_list( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ struct vbo_save_vertex_list *node;
+
+ /* Allocate space for this structure in the display list currently
+ * being compiled.
+ */
+ node = (struct vbo_save_vertex_list *)
+ _mesa_dlist_alloc(ctx, save->opcode_vertex_list, sizeof(*node));
+
+ if (!node)
+ return;
+
+ /* Duplicate our template, increment refcounts to the storage structs:
+ */
+ memcpy(node->attrsz, save->attrsz, sizeof(node->attrsz));
+ node->vertex_size = save->vertex_size;
+ node->buffer_offset = (save->buffer - save->vertex_store->buffer) * sizeof(GLfloat);
+ node->count = save->vert_count;
+ node->wrap_count = save->copied.nr;
+ node->dangling_attr_ref = save->dangling_attr_ref;
+ node->prim = save->prim;
+ node->prim_count = save->prim_count;
+ node->vertex_store = save->vertex_store;
+ node->prim_store = save->prim_store;
+
+ node->vertex_store->refcount++;
+ node->prim_store->refcount++;
+
+ if (node->prim[0].no_current_update) {
+ node->current_size = 0;
+ node->current_data = NULL;
+ } else {
+ node->current_size = node->vertex_size - node->attrsz[0];
+ node->current_data = NULL;
+
+ if (node->current_size) {
+ /* If the malloc fails, we just pull the data out of the VBO
+ * later instead.
+ */
+ node->current_data = MALLOC( node->current_size * sizeof(GLfloat) );
+ if (node->current_data) {
+ const char *buffer = (const char *)save->vertex_store->buffer;
+ unsigned attr_offset = node->attrsz[0] * sizeof(GLfloat);
+ unsigned vertex_offset = 0;
+
+ if (node->count)
+ vertex_offset = (node->count-1) * node->vertex_size * sizeof(GLfloat);
+
+ memcpy( node->current_data,
+ buffer + node->buffer_offset + vertex_offset + attr_offset,
+ node->current_size * sizeof(GLfloat) );
+ }
+ }
+ }
+
+
+
+ assert(node->attrsz[VBO_ATTRIB_POS] != 0 ||
+ node->count == 0);
+
+ if (save->dangling_attr_ref)
+ ctx->ListState.CurrentList->Flags |= DLIST_DANGLING_REFS;
+
+ save->vertex_store->used += save->vertex_size * node->count;
+ save->prim_store->used += node->prim_count;
+
+
+ /* Copy duplicated vertices
+ */
+ save->copied.nr = _save_copy_vertices( ctx, node, save->buffer );
+
+
+ /* Deal with GL_COMPILE_AND_EXECUTE:
+ */
+ if (ctx->ExecuteFlag) {
+ struct _glapi_table *dispatch = GET_DISPATCH();
+
+ _glapi_set_dispatch(ctx->Exec);
+
+ vbo_loopback_vertex_list( ctx,
+ (const GLfloat *)((const char *)save->vertex_store->buffer +
+ node->buffer_offset),
+ node->attrsz,
+ node->prim,
+ node->prim_count,
+ node->wrap_count,
+ node->vertex_size);
+
+ _glapi_set_dispatch(dispatch);
+ }
+
+
+ /* Decide whether the storage structs are full, or can be used for
+ * the next vertex lists as well.
+ */
+ if (save->vertex_store->used >
+ VBO_SAVE_BUFFER_SIZE - 16 * (save->vertex_size + 4)) {
+
+ /* Unmap old store:
+ */
+ unmap_vertex_store( ctx, save->vertex_store );
+
+ /* Release old reference:
+ */
+ save->vertex_store->refcount--;
+ assert(save->vertex_store->refcount != 0);
+ save->vertex_store = NULL;
+
+ /* Allocate and map new store:
+ */
+ save->vertex_store = alloc_vertex_store( ctx );
+ save->buffer_ptr = map_vertex_store( ctx, save->vertex_store );
+ }
+
+ if (save->prim_store->used > VBO_SAVE_PRIM_SIZE - 6) {
+ save->prim_store->refcount--;
+ assert(save->prim_store->refcount != 0);
+ save->prim_store = alloc_prim_store( ctx );
+ }
+
+ /* Reset our structures for the next run of vertices:
+ */
+ _save_reset_counters( ctx );
+}
+
+
+/* TODO -- If no new vertices have been stored, don't bother saving
+ * it.
+ */
+static void _save_wrap_buffers( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLint i = save->prim_count - 1;
+ GLenum mode;
+ GLboolean weak;
+ GLboolean no_current_update;
+
+ assert(i < (GLint) save->prim_max);
+ assert(i >= 0);
+
+ /* Close off in-progress primitive.
+ */
+ save->prim[i].count = (save->vert_count -
+ save->prim[i].start);
+ mode = save->prim[i].mode;
+ weak = save->prim[i].weak;
+ no_current_update = save->prim[i].no_current_update;
+
+ /* store the copied vertices, and allocate a new list.
+ */
+ _save_compile_vertex_list( ctx );
+
+ /* Restart interrupted primitive
+ */
+ save->prim[0].mode = mode;
+ save->prim[0].weak = weak;
+ save->prim[0].no_current_update = no_current_update;
+ save->prim[0].begin = 0;
+ save->prim[0].end = 0;
+ save->prim[0].pad = 0;
+ save->prim[0].start = 0;
+ save->prim[0].count = 0;
+ save->prim[0].num_instances = 1;
+ save->prim_count = 1;
+}
+
+
+
+/* Called only when buffers are wrapped as the result of filling the
+ * vertex_store struct.
+ */
+static void _save_wrap_filled_vertex( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLfloat *data = save->copied.buffer;
+ GLuint i;
+
+ /* Emit a glEnd to close off the last vertex list.
+ */
+ _save_wrap_buffers( ctx );
+
+ /* Copy stored stored vertices to start of new list.
+ */
+ assert(save->max_vert - save->vert_count > save->copied.nr);
+
+ for (i = 0 ; i < save->copied.nr ; i++) {
+ memcpy( save->buffer_ptr, data, save->vertex_size * sizeof(GLfloat));
+ data += save->vertex_size;
+ save->buffer_ptr += save->vertex_size;
+ save->vert_count++;
+ }
+}
+
+
+static void _save_copy_to_current( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLuint i;
+
+ for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
+ if (save->attrsz[i]) {
+ save->currentsz[i][0] = save->attrsz[i];
+ COPY_CLEAN_4V(save->current[i],
+ save->attrsz[i],
+ save->attrptr[i]);
+ }
+ }
+}
+
+
+static void _save_copy_from_current( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLint i;
+
+ for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
+ switch (save->attrsz[i]) {
+ case 4: save->attrptr[i][3] = save->current[i][3];
+ case 3: save->attrptr[i][2] = save->current[i][2];
+ case 2: save->attrptr[i][1] = save->current[i][1];
+ case 1: save->attrptr[i][0] = save->current[i][0];
+ case 0: break;
+ }
+ }
+}
+
+
+
+
+/* Flush existing data, set new attrib size, replay copied vertices.
+ */
+static void _save_upgrade_vertex( struct gl_context *ctx,
+ GLuint attr,
+ GLuint newsz )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLuint oldsz;
+ GLuint i;
+ GLfloat *tmp;
+
+ /* Store the current run of vertices, and emit a GL_END. Emit a
+ * BEGIN in the new buffer.
+ */
+ if (save->vert_count)
+ _save_wrap_buffers( ctx );
+ else
+ assert( save->copied.nr == 0 );
+
+ /* Do a COPY_TO_CURRENT to ensure back-copying works for the case
+ * when the attribute already exists in the vertex and is having
+ * its size increased.
+ */
+ _save_copy_to_current( ctx );
+
+ /* Fix up sizes:
+ */
+ oldsz = save->attrsz[attr];
+ save->attrsz[attr] = newsz;
+
+ save->vertex_size += newsz - oldsz;
+ save->max_vert = ((VBO_SAVE_BUFFER_SIZE - save->vertex_store->used) /
+ save->vertex_size);
+ save->vert_count = 0;
+
+ /* Recalculate all the attrptr[] values:
+ */
+ for (i = 0, tmp = save->vertex ; i < VBO_ATTRIB_MAX ; i++) {
+ if (save->attrsz[i]) {
+ save->attrptr[i] = tmp;
+ tmp += save->attrsz[i];
+ }
+ else
+ save->attrptr[i] = NULL; /* will not be dereferenced. */
+ }
+
+ /* Copy from current to repopulate the vertex with correct values.
+ */
+ _save_copy_from_current( ctx );
+
+ /* Replay stored vertices to translate them to new format here.
+ *
+ * If there are copied vertices and the new (upgraded) attribute
+ * has not been defined before, this list is somewhat degenerate,
+ * and will need fixup at runtime.
+ */
+ if (save->copied.nr)
+ {
+ GLfloat *data = save->copied.buffer;
+ GLfloat *dest = save->buffer;
+ GLuint j;
+
+ /* Need to note this and fix up at runtime (or loopback):
+ */
+ if (attr != VBO_ATTRIB_POS && save->currentsz[attr][0] == 0) {
+ assert(oldsz == 0);
+ save->dangling_attr_ref = GL_TRUE;
+ }
+
+ for (i = 0 ; i < save->copied.nr ; i++) {
+ for (j = 0 ; j < VBO_ATTRIB_MAX ; j++) {
+ if (save->attrsz[j]) {
+ if (j == attr) {
+ if (oldsz) {
+ COPY_CLEAN_4V( dest, oldsz, data );
+ data += oldsz;
+ dest += newsz;
+ }
+ else {
+ COPY_SZ_4V( dest, newsz, save->current[attr] );
+ dest += newsz;
+ }
+ }
+ else {
+ GLint sz = save->attrsz[j];
+ COPY_SZ_4V( dest, sz, data );
+ data += sz;
+ dest += sz;
+ }
+ }
+ }
+ }
+
+ save->buffer_ptr = dest;
+ save->vert_count += save->copied.nr;
+ }
+}
+
+static void save_fixup_vertex( struct gl_context *ctx, GLuint attr, GLuint sz )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ if (sz > save->attrsz[attr]) {
+ /* New size is larger. Need to flush existing vertices and get
+ * an enlarged vertex format.
+ */
+ _save_upgrade_vertex( ctx, attr, sz );
+ }
+ else if (sz < save->active_sz[attr]) {
+ static GLfloat id[4] = { 0, 0, 0, 1 };
+ GLuint i;
+
+ /* New size is equal or smaller - just need to fill in some
+ * zeros.
+ */
+ for (i = sz ; i <= save->attrsz[attr] ; i++)
+ save->attrptr[attr][i-1] = id[i-1];
+ }
+
+ save->active_sz[attr] = sz;
+}
+
+static void _save_reset_vertex( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLuint i;
+
+ for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
+ save->attrsz[i] = 0;
+ save->active_sz[i] = 0;
+ }
+
+ save->vertex_size = 0;
+}
+
+
+
+#define ERROR(err) _mesa_compile_error( ctx, err, __FUNCTION__ );
+
+
+/* Only one size for each attribute may be active at once. Eg. if
+ * Color3f is installed/active, then Color4f may not be, even if the
+ * vertex actually contains 4 color coordinates. This is because the
+ * 3f version won't otherwise set color[3] to 1.0 -- this is the job
+ * of the chooser function when switching between Color4f and Color3f.
+ */
+#define ATTR( A, N, V0, V1, V2, V3 ) \
+do { \
+ struct vbo_save_context *save = &vbo_context(ctx)->save; \
+ \
+ if (save->active_sz[A] != N) \
+ save_fixup_vertex(ctx, A, N); \
+ \
+ { \
+ GLfloat *dest = save->attrptr[A]; \
+ if (N>0) dest[0] = V0; \
+ if (N>1) dest[1] = V1; \
+ if (N>2) dest[2] = V2; \
+ if (N>3) dest[3] = V3; \
+ } \
+ \
+ if ((A) == 0) { \
+ GLuint i; \
+ \
+ for (i = 0; i < save->vertex_size; i++) \
+ save->buffer_ptr[i] = save->vertex[i]; \
+ \
+ save->buffer_ptr += save->vertex_size; \
+ \
+ if (++save->vert_count >= save->max_vert) \
+ _save_wrap_filled_vertex( ctx ); \
+ } \
+} while (0)
+
+#define TAG(x) _save_##x
+
+#include "vbo_attrib_tmp.h"
+
+
+
+
+/* Cope with EvalCoord/CallList called within a begin/end object:
+ * -- Flush current buffer
+ * -- Fallback to opcodes for the rest of the begin/end object.
+ */
+static void DO_FALLBACK( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ if (save->vert_count || save->prim_count) {
+ GLint i = save->prim_count - 1;
+
+ /* Close off in-progress primitive.
+ */
+ save->prim[i].count = (save->vert_count -
+ save->prim[i].start);
+
+ /* Need to replay this display list with loopback,
+ * unfortunately, otherwise this primitive won't be handled
+ * properly:
+ */
+ save->dangling_attr_ref = 1;
+
+ _save_compile_vertex_list( ctx );
+ }
+
+ _save_copy_to_current( ctx );
+ _save_reset_vertex( ctx );
+ _save_reset_counters( ctx );
+ _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
+ ctx->Driver.SaveNeedFlush = 0;
+}
+
+static void GLAPIENTRY _save_EvalCoord1f( GLfloat u )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_EvalCoord1f(ctx->Save, (u));
+}
+
+static void GLAPIENTRY _save_EvalCoord1fv( const GLfloat *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_EvalCoord1fv(ctx->Save, (v));
+}
+
+static void GLAPIENTRY _save_EvalCoord2f( GLfloat u, GLfloat v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_EvalCoord2f(ctx->Save, (u, v));
+}
+
+static void GLAPIENTRY _save_EvalCoord2fv( const GLfloat *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_EvalCoord2fv(ctx->Save, (v));
+}
+
+static void GLAPIENTRY _save_EvalPoint1( GLint i )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_EvalPoint1(ctx->Save, (i));
+}
+
+static void GLAPIENTRY _save_EvalPoint2( GLint i, GLint j )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_EvalPoint2(ctx->Save, (i, j));
+}
+
+static void GLAPIENTRY _save_CallList( GLuint l )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_CallList(ctx->Save, (l));
+}
+
+static void GLAPIENTRY _save_CallLists( GLsizei n, GLenum type, const GLvoid *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ CALL_CallLists(ctx->Save, (n, type, v));
+}
+
+
+
+
+/* This begin is hooked into ... Updating of
+ * ctx->Driver.CurrentSavePrimitive is already taken care of.
+ */
+GLboolean vbo_save_NotifyBegin( struct gl_context *ctx, GLenum mode )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ GLuint i = save->prim_count++;
+
+ assert(i < save->prim_max);
+ save->prim[i].mode = mode & VBO_SAVE_PRIM_MODE_MASK;
+ save->prim[i].begin = 1;
+ save->prim[i].end = 0;
+ save->prim[i].weak = (mode & VBO_SAVE_PRIM_WEAK) ? 1 : 0;
+ save->prim[i].no_current_update = (mode & VBO_SAVE_PRIM_NO_CURRENT_UPDATE) ? 1 : 0;
+ save->prim[i].pad = 0;
+ save->prim[i].start = save->vert_count;
+ save->prim[i].count = 0;
+ save->prim[i].num_instances = 1;
+
+ _mesa_install_save_vtxfmt( ctx, &save->vtxfmt );
+ ctx->Driver.SaveNeedFlush = 1;
+ return GL_TRUE;
+}
+
+
+
+static void GLAPIENTRY _save_End( void )
+{
+ GET_CURRENT_CONTEXT( ctx );
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLint i = save->prim_count - 1;
+
+ ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
+ save->prim[i].end = 1;
+ save->prim[i].count = (save->vert_count -
+ save->prim[i].start);
+
+ if (i == (GLint) save->prim_max - 1) {
+ _save_compile_vertex_list( ctx );
+ assert(save->copied.nr == 0);
+ }
+
+ /* Swap out this vertex format while outside begin/end. Any color,
+ * etc. received between here and the next begin will be compiled
+ * as opcodes.
+ */
+ _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
+}
+
+
+/* These are all errors as this vtxfmt is only installed inside
+ * begin/end pairs.
+ */
+static void GLAPIENTRY _save_DrawElements(GLenum mode, GLsizei count, GLenum type,
+ const GLvoid *indices)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) count; (void) type; (void) indices;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawElements" );
+}
+
+
+static void GLAPIENTRY _save_DrawRangeElements(GLenum mode,
+ GLuint start, GLuint end,
+ GLsizei count, GLenum type,
+ const GLvoid *indices)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) start; (void) end; (void) count; (void) type; (void) indices;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawRangeElements" );
+}
+
+static void GLAPIENTRY _save_DrawElementsBaseVertex(GLenum mode,
+ GLsizei count,
+ GLenum type,
+ const GLvoid *indices,
+ GLint basevertex)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) count; (void) type; (void) indices; (void)basevertex;
+
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawElements" );
+}
+
+static void GLAPIENTRY _save_DrawRangeElementsBaseVertex(GLenum mode,
+ GLuint start,
+ GLuint end,
+ GLsizei count,
+ GLenum type,
+ const GLvoid *indices,
+ GLint basevertex)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) start; (void) end; (void) count; (void) type;
+ (void) indices; (void)basevertex;
+
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawRangeElements" );
+}
+
+static void GLAPIENTRY _save_DrawArrays(GLenum mode, GLint start, GLsizei count)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) start; (void) count;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glDrawArrays" );
+}
+
+static void GLAPIENTRY _save_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) x1; (void) y1; (void) x2; (void) y2;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glRectf" );
+}
+
+static void GLAPIENTRY _save_EvalMesh1( GLenum mode, GLint i1, GLint i2 )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) i1; (void) i2;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glEvalMesh1" );
+}
+
+static void GLAPIENTRY _save_EvalMesh2( GLenum mode, GLint i1, GLint i2,
+ GLint j1, GLint j2 )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ (void) mode; (void) i1; (void) i2; (void) j1; (void) j2;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "glEvalMesh2" );
+}
+
+static void GLAPIENTRY _save_Begin( GLenum mode )
+{
+ GET_CURRENT_CONTEXT( ctx );
+ (void) mode;
+ _mesa_compile_error( ctx, GL_INVALID_OPERATION, "Recursive glBegin" );
+}
+
+
+static void GLAPIENTRY _save_PrimitiveRestartNV( void )
+{
+ GLenum curPrim;
+ GET_CURRENT_CONTEXT( ctx );
+
+ curPrim = ctx->Driver.CurrentSavePrimitive;
+
+ _save_End();
+ _save_Begin(curPrim);
+}
+
+
+/* Unlike the functions above, these are to be hooked into the vtxfmt
+ * maintained in ctx->ListState, active when the list is known or
+ * suspected to be outside any begin/end primitive.
+ */
+static void GLAPIENTRY _save_OBE_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ vbo_save_NotifyBegin( ctx, GL_QUADS | VBO_SAVE_PRIM_WEAK );
+ CALL_Vertex2f(GET_DISPATCH(), ( x1, y1 ));
+ CALL_Vertex2f(GET_DISPATCH(), ( x2, y1 ));
+ CALL_Vertex2f(GET_DISPATCH(), ( x2, y2 ));
+ CALL_Vertex2f(GET_DISPATCH(), ( x1, y2 ));
+ CALL_End(GET_DISPATCH(), ());
+}
+
+
+static void GLAPIENTRY _save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei count)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+
+ if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
+ return;
+
+ _ae_map_vbos( ctx );
+
+ vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK | VBO_SAVE_PRIM_NO_CURRENT_UPDATE);
+
+ for (i = 0; i < count; i++)
+ CALL_ArrayElement(GET_DISPATCH(), (start + i));
+ CALL_End(GET_DISPATCH(), ());
+
+ _ae_unmap_vbos( ctx );
+}
+
+/* Could do better by copying the arrays and element list intact and
+ * then emitting an indexed prim at runtime.
+ */
+static void GLAPIENTRY _save_OBE_DrawElements(GLenum mode, GLsizei count, GLenum type,
+ const GLvoid *indices)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+
+ if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices, 0 ))
+ return;
+
+ _ae_map_vbos( ctx );
+
+ if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj))
+ indices = ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Pointer, indices);
+
+ vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK | VBO_SAVE_PRIM_NO_CURRENT_UPDATE );
+
+ switch (type) {
+ case GL_UNSIGNED_BYTE:
+ for (i = 0 ; i < count ; i++)
+ CALL_ArrayElement(GET_DISPATCH(), ( ((GLubyte *)indices)[i] ));
+ break;
+ case GL_UNSIGNED_SHORT:
+ for (i = 0 ; i < count ; i++)
+ CALL_ArrayElement(GET_DISPATCH(), ( ((GLushort *)indices)[i] ));
+ break;
+ case GL_UNSIGNED_INT:
+ for (i = 0 ; i < count ; i++)
+ CALL_ArrayElement(GET_DISPATCH(), ( ((GLuint *)indices)[i] ));
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
+ break;
+ }
+
+ CALL_End(GET_DISPATCH(), ());
+
+ _ae_unmap_vbos( ctx );
+}
+
+static void GLAPIENTRY _save_OBE_DrawRangeElements(GLenum mode,
+ GLuint start, GLuint end,
+ GLsizei count, GLenum type,
+ const GLvoid *indices)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ if (_mesa_validate_DrawRangeElements( ctx, mode,
+ start, end,
+ count, type, indices, 0 ))
+ _save_OBE_DrawElements( mode, count, type, indices );
+}
+
+
+
+
+
+static void _save_vtxfmt_init( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLvertexformat *vfmt = &save->vtxfmt;
+
+ _MESA_INIT_ARRAYELT_VTXFMT(vfmt, _ae_);
+
+ vfmt->Begin = _save_Begin;
+ vfmt->Color3f = _save_Color3f;
+ vfmt->Color3fv = _save_Color3fv;
+ vfmt->Color4f = _save_Color4f;
+ vfmt->Color4fv = _save_Color4fv;
+ vfmt->EdgeFlag = _save_EdgeFlag;
+ vfmt->End = _save_End;
+ vfmt->PrimitiveRestartNV = _save_PrimitiveRestartNV;
+ vfmt->FogCoordfEXT = _save_FogCoordfEXT;
+ vfmt->FogCoordfvEXT = _save_FogCoordfvEXT;
+ vfmt->Indexf = _save_Indexf;
+ vfmt->Indexfv = _save_Indexfv;
+ vfmt->Materialfv = _save_Materialfv;
+ vfmt->MultiTexCoord1fARB = _save_MultiTexCoord1f;
+ vfmt->MultiTexCoord1fvARB = _save_MultiTexCoord1fv;
+ vfmt->MultiTexCoord2fARB = _save_MultiTexCoord2f;
+ vfmt->MultiTexCoord2fvARB = _save_MultiTexCoord2fv;
+ vfmt->MultiTexCoord3fARB = _save_MultiTexCoord3f;
+ vfmt->MultiTexCoord3fvARB = _save_MultiTexCoord3fv;
+ vfmt->MultiTexCoord4fARB = _save_MultiTexCoord4f;
+ vfmt->MultiTexCoord4fvARB = _save_MultiTexCoord4fv;
+ vfmt->Normal3f = _save_Normal3f;
+ vfmt->Normal3fv = _save_Normal3fv;
+ vfmt->SecondaryColor3fEXT = _save_SecondaryColor3fEXT;
+ vfmt->SecondaryColor3fvEXT = _save_SecondaryColor3fvEXT;
+ vfmt->TexCoord1f = _save_TexCoord1f;
+ vfmt->TexCoord1fv = _save_TexCoord1fv;
+ vfmt->TexCoord2f = _save_TexCoord2f;
+ vfmt->TexCoord2fv = _save_TexCoord2fv;
+ vfmt->TexCoord3f = _save_TexCoord3f;
+ vfmt->TexCoord3fv = _save_TexCoord3fv;
+ vfmt->TexCoord4f = _save_TexCoord4f;
+ vfmt->TexCoord4fv = _save_TexCoord4fv;
+ vfmt->Vertex2f = _save_Vertex2f;
+ vfmt->Vertex2fv = _save_Vertex2fv;
+ vfmt->Vertex3f = _save_Vertex3f;
+ vfmt->Vertex3fv = _save_Vertex3fv;
+ vfmt->Vertex4f = _save_Vertex4f;
+ vfmt->Vertex4fv = _save_Vertex4fv;
+ vfmt->VertexAttrib1fARB = _save_VertexAttrib1fARB;
+ vfmt->VertexAttrib1fvARB = _save_VertexAttrib1fvARB;
+ vfmt->VertexAttrib2fARB = _save_VertexAttrib2fARB;
+ vfmt->VertexAttrib2fvARB = _save_VertexAttrib2fvARB;
+ vfmt->VertexAttrib3fARB = _save_VertexAttrib3fARB;
+ vfmt->VertexAttrib3fvARB = _save_VertexAttrib3fvARB;
+ vfmt->VertexAttrib4fARB = _save_VertexAttrib4fARB;
+ vfmt->VertexAttrib4fvARB = _save_VertexAttrib4fvARB;
+
+ vfmt->VertexAttrib1fNV = _save_VertexAttrib1fNV;
+ vfmt->VertexAttrib1fvNV = _save_VertexAttrib1fvNV;
+ vfmt->VertexAttrib2fNV = _save_VertexAttrib2fNV;
+ vfmt->VertexAttrib2fvNV = _save_VertexAttrib2fvNV;
+ vfmt->VertexAttrib3fNV = _save_VertexAttrib3fNV;
+ vfmt->VertexAttrib3fvNV = _save_VertexAttrib3fvNV;
+ vfmt->VertexAttrib4fNV = _save_VertexAttrib4fNV;
+ vfmt->VertexAttrib4fvNV = _save_VertexAttrib4fvNV;
+
+ /* integer-valued */
+ vfmt->VertexAttribI1i = _save_VertexAttribI1i;
+ vfmt->VertexAttribI2i = _save_VertexAttribI2i;
+ vfmt->VertexAttribI3i = _save_VertexAttribI3i;
+ vfmt->VertexAttribI4i = _save_VertexAttribI4i;
+ vfmt->VertexAttribI2iv = _save_VertexAttribI2iv;
+ vfmt->VertexAttribI3iv = _save_VertexAttribI3iv;
+ vfmt->VertexAttribI4iv = _save_VertexAttribI4iv;
+
+ /* unsigned integer-valued */
+ vfmt->VertexAttribI1ui = _save_VertexAttribI1ui;
+ vfmt->VertexAttribI2ui = _save_VertexAttribI2ui;
+ vfmt->VertexAttribI3ui = _save_VertexAttribI3ui;
+ vfmt->VertexAttribI4ui = _save_VertexAttribI4ui;
+ vfmt->VertexAttribI2uiv = _save_VertexAttribI2uiv;
+ vfmt->VertexAttribI3uiv = _save_VertexAttribI3uiv;
+ vfmt->VertexAttribI4uiv = _save_VertexAttribI4uiv;
+
+ /* This will all require us to fallback to saving the list as opcodes:
+ */
+ _MESA_INIT_DLIST_VTXFMT(vfmt, _save_); /* inside begin/end */
+
+ _MESA_INIT_EVAL_VTXFMT(vfmt, _save_);
+
+ /* These are all errors as we at least know we are in some sort of
+ * begin/end pair:
+ */
+ vfmt->Begin = _save_Begin;
+ vfmt->Rectf = _save_Rectf;
+ vfmt->DrawArrays = _save_DrawArrays;
+ vfmt->DrawElements = _save_DrawElements;
+ vfmt->DrawRangeElements = _save_DrawRangeElements;
+ vfmt->DrawElementsBaseVertex = _save_DrawElementsBaseVertex;
+ vfmt->DrawRangeElementsBaseVertex = _save_DrawRangeElementsBaseVertex;
+ /* Loops back into vfmt->DrawElements */
+ vfmt->MultiDrawElementsEXT = _mesa_noop_MultiDrawElements;
+ vfmt->MultiDrawElementsBaseVertex = _mesa_noop_MultiDrawElementsBaseVertex;
+}
+
+
+void vbo_save_SaveFlushVertices( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ /* Noop when we are actually active:
+ */
+ if (ctx->Driver.CurrentSavePrimitive == PRIM_INSIDE_UNKNOWN_PRIM ||
+ ctx->Driver.CurrentSavePrimitive <= GL_POLYGON)
+ return;
+
+ if (save->vert_count ||
+ save->prim_count)
+ _save_compile_vertex_list( ctx );
+
+ _save_copy_to_current( ctx );
+ _save_reset_vertex( ctx );
+ _save_reset_counters( ctx );
+ ctx->Driver.SaveNeedFlush = 0;
+}
+
+void vbo_save_NewList( struct gl_context *ctx, GLuint list, GLenum mode )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ (void) list; (void) mode;
+
+ if (!save->prim_store)
+ save->prim_store = alloc_prim_store( ctx );
+
+ if (!save->vertex_store)
+ save->vertex_store = alloc_vertex_store( ctx );
+
+ save->buffer_ptr = map_vertex_store( ctx, save->vertex_store );
+
+ _save_reset_vertex( ctx );
+ _save_reset_counters( ctx );
+ ctx->Driver.SaveNeedFlush = 0;
+}
+
+void vbo_save_EndList( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ /* EndList called inside a (saved) Begin/End pair?
+ */
+ if (ctx->Driver.CurrentSavePrimitive != PRIM_OUTSIDE_BEGIN_END) {
+
+ if (save->prim_count > 0) {
+ GLint i = save->prim_count - 1;
+ ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
+ save->prim[i].end = 0;
+ save->prim[i].count = (save->vert_count -
+ save->prim[i].start);
+ }
+
+ /* Make sure this vertex list gets replayed by the "loopback"
+ * mechanism:
+ */
+ save->dangling_attr_ref = 1;
+ vbo_save_SaveFlushVertices( ctx );
+
+ /* Swap out this vertex format while outside begin/end. Any color,
+ * etc. received between here and the next begin will be compiled
+ * as opcodes.
+ */
+ _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
+ }
+
+ unmap_vertex_store( ctx, save->vertex_store );
+
+ assert(save->vertex_size == 0);
+}
+
+void vbo_save_BeginCallList( struct gl_context *ctx, struct gl_display_list *dlist )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ save->replay_flags |= dlist->Flags;
+}
+
+void vbo_save_EndCallList( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ if (ctx->ListState.CallDepth == 1) {
+ /* This is correct: want to keep only the VBO_SAVE_FALLBACK
+ * flag, if it is set:
+ */
+ save->replay_flags &= VBO_SAVE_FALLBACK;
+ }
+}
+
+
+static void vbo_destroy_vertex_list( struct gl_context *ctx, void *data )
+{
+ struct vbo_save_vertex_list *node = (struct vbo_save_vertex_list *)data;
+ (void) ctx;
+
+ if ( --node->vertex_store->refcount == 0 )
+ free_vertex_store( ctx, node->vertex_store );
+
+ if ( --node->prim_store->refcount == 0 )
+ FREE( node->prim_store );
+
+ if (node->current_data) {
+ FREE(node->current_data);
+ node->current_data = NULL;
+ }
+}
+
+
+static void vbo_print_vertex_list( struct gl_context *ctx, void *data )
+{
+ struct vbo_save_vertex_list *node = (struct vbo_save_vertex_list *)data;
+ GLuint i;
+ (void) ctx;
+
+ printf("VBO-VERTEX-LIST, %u vertices %d primitives, %d vertsize\n",
+ node->count,
+ node->prim_count,
+ node->vertex_size);
+
+ for (i = 0 ; i < node->prim_count ; i++) {
+ struct _mesa_prim *prim = &node->prim[i];
+ _mesa_debug(NULL, " prim %d: %s%s %d..%d %s %s\n",
+ i,
+ _mesa_lookup_prim_by_nr(prim->mode),
+ prim->weak ? " (weak)" : "",
+ prim->start,
+ prim->start + prim->count,
+ (prim->begin) ? "BEGIN" : "(wrap)",
+ (prim->end) ? "END" : "(wrap)");
+ }
+}
+
+
+static void _save_current_init( struct gl_context *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLint i;
+
+ for (i = VBO_ATTRIB_POS; i <= VBO_ATTRIB_GENERIC15; i++) {
+ const GLuint j = i - VBO_ATTRIB_POS;
+ ASSERT(j < VERT_ATTRIB_MAX);
+ save->currentsz[i] = &ctx->ListState.ActiveAttribSize[j];
+ save->current[i] = ctx->ListState.CurrentAttrib[j];
+ }
+
+ for (i = VBO_ATTRIB_FIRST_MATERIAL; i <= VBO_ATTRIB_LAST_MATERIAL; i++) {
+ const GLuint j = i - VBO_ATTRIB_FIRST_MATERIAL;
+ ASSERT(j < MAT_ATTRIB_MAX);
+ save->currentsz[i] = &ctx->ListState.ActiveMaterialSize[j];
+ save->current[i] = ctx->ListState.CurrentMaterial[j];
+ }
+}
+
+/**
+ * Initialize the display list compiler
+ */
+void vbo_save_api_init( struct vbo_save_context *save )
+{
+ struct gl_context *ctx = save->ctx;
+ GLuint i;
+
+ save->opcode_vertex_list =
+ _mesa_dlist_alloc_opcode( ctx,
+ sizeof(struct vbo_save_vertex_list),
+ vbo_save_playback_vertex_list,
+ vbo_destroy_vertex_list,
+ vbo_print_vertex_list );
+
+ ctx->Driver.NotifySaveBegin = vbo_save_NotifyBegin;
+
+ _save_vtxfmt_init( ctx );
+ _save_current_init( ctx );
+
+ /* These will actually get set again when binding/drawing */
+ for (i = 0; i < VBO_ATTRIB_MAX; i++)
+ save->inputs[i] = &save->arrays[i];
+
+ /* Hook our array functions into the outside-begin-end vtxfmt in
+ * ctx->ListState.
+ */
+ ctx->ListState.ListVtxfmt.Rectf = _save_OBE_Rectf;
+ ctx->ListState.ListVtxfmt.DrawArrays = _save_OBE_DrawArrays;
+ ctx->ListState.ListVtxfmt.DrawElements = _save_OBE_DrawElements;
+ ctx->ListState.ListVtxfmt.DrawRangeElements = _save_OBE_DrawRangeElements;
+ /* loops back into _save_OBE_DrawElements */
+ ctx->ListState.ListVtxfmt.MultiDrawElementsEXT = _mesa_noop_MultiDrawElements;
+ ctx->ListState.ListVtxfmt.MultiDrawElementsBaseVertex = _mesa_noop_MultiDrawElementsBaseVertex;
+ _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
+}
+
+
+#endif /* FEATURE_dlist */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 03:34:50 +0000