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-rw-r--r--src/mesa/vbo/vbo_save_api.c1147
1 files changed, 1147 insertions, 0 deletions
diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c
new file mode 100644
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+++ b/src/mesa/vbo/vbo_save_api.c
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+/**************************************************************************
+
+Copyright 2002 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 "glheader.h"
+#include "context.h"
+#include "dlist.h"
+#include "enums.h"
+#include "macros.h"
+#include "api_validate.h"
+#include "api_arrayelt.h"
+#include "vtxfmt.h"
+#include "dispatch.h"
+
+#include "vbo_context.h"
+
+
+
+/*
+ * NOTE: Old 'parity' issue is gone, but copying can still be
+ * wrong-footed on replay.
+ */
+static GLuint _save_copy_vertices( GLcontext *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++)
+ _mesa_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++)
+ _mesa_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++)
+ _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz*sizeof(GLfloat) );
+ return i;
+ case GL_LINE_STRIP:
+ if (nr == 0)
+ return 0;
+ else {
+ _mesa_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) {
+ _mesa_memcpy( dst, src+0, sz*sizeof(GLfloat) );
+ return 1;
+ } else {
+ _mesa_memcpy( dst, src+0, sz*sizeof(GLfloat) );
+ _mesa_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++)
+ _mesa_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( GLcontext *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, 1, 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( GLcontext *ctx, struct vbo_save_vertex_store *vertex_store )
+{
+ assert(!vertex_store->buffer);
+
+ if (vertex_store->bufferobj)
+ ctx->Driver.DeleteBuffer( ctx, vertex_store->bufferobj );
+
+ FREE( vertex_store );
+}
+
+static GLfloat *map_vertex_store( GLcontext *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( GLcontext *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( GLcontext *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( GLcontext *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->vbptr);
+
+ 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( GLcontext *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_alloc_instruction(ctx, save->opcode_vertex_list, sizeof(*node));
+
+ if (!node)
+ return;
+
+ /* Duplicate our template, increment refcounts to the storage structs:
+ */
+ _mesa_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++;
+
+ assert(node->attrsz[VBO_ATTRIB_POS] != 0 ||
+ node->count == 0);
+
+ if (save->dangling_attr_ref)
+ ctx->ListState.CurrentList->flags |= MESA_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->vbptr = 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( GLcontext *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLint i = save->prim_count - 1;
+ GLenum mode;
+ GLboolean weak;
+
+ 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;
+
+ /* 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].begin = 0;
+ save->prim[0].end = 0;
+ save->prim[0].pad = 0;
+ save->prim[0].start = 0;
+ save->prim[0].count = 0;
+ 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( GLcontext *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++) {
+ _mesa_memcpy( save->vbptr, data, save->vertex_size * sizeof(GLfloat));
+ data += save->vertex_size;
+ save->vbptr += save->vertex_size;
+ save->vert_count++;
+ }
+}
+
+
+static void _save_copy_to_current( GLcontext *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( GLcontext *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( GLcontext *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->vbptr = dest;
+ save->vert_count += save->copied.nr;
+ }
+}
+
+static void save_fixup_vertex( GLcontext *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( GLcontext *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() _mesa_compile_error( ctx, GL_INVALID_ENUM, __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->vbptr[i] = save->vertex[i]; \
+ \
+ save->vbptr += 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.
+ */
+#define DO_FALLBACK(ctx) \
+do { \
+ struct vbo_save_context *save = &vbo_context(ctx)->save; \
+ \
+ 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 ); \
+ _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt ); \
+ ctx->Driver.SaveNeedFlush = 0; \
+} while (0)
+
+static void GLAPIENTRY _save_EvalCoord1f( GLfloat u )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->EvalCoord1f( u );
+}
+
+static void GLAPIENTRY _save_EvalCoord1fv( const GLfloat *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->EvalCoord1fv( v );
+}
+
+static void GLAPIENTRY _save_EvalCoord2f( GLfloat u, GLfloat v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->EvalCoord2f( u, v );
+}
+
+static void GLAPIENTRY _save_EvalCoord2fv( const GLfloat *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->EvalCoord2fv( v );
+}
+
+static void GLAPIENTRY _save_EvalPoint1( GLint i )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->EvalPoint1( i );
+}
+
+static void GLAPIENTRY _save_EvalPoint2( GLint i, GLint j )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->EvalPoint2( i, j );
+}
+
+static void GLAPIENTRY _save_CallList( GLuint l )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->CallList( l );
+}
+
+static void GLAPIENTRY _save_CallLists( GLsizei n, GLenum type, const GLvoid *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DO_FALLBACK(ctx);
+ ctx->Save->CallLists( n, type, v );
+}
+
+
+
+
+/* This begin is hooked into ... Updating of
+ * ctx->Driver.CurrentSavePrimitive is already taken care of.
+ */
+GLboolean vbo_save_NotifyBegin( GLcontext *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_WEAK;
+ save->prim[i].begin = 1;
+ save->prim[i].end = 0;
+ save->prim[i].weak = (mode & VBO_SAVE_PRIM_WEAK) ? 1 : 0;
+ save->prim[i].pad = 0;
+ save->prim[i].start = save->vert_count;
+ save->prim[i].count = 0;
+
+ _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_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" );
+}
+
+
+/* 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 );
+
+ 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 ))
+ return;
+
+ _ae_map_vbos( ctx );
+
+ vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK );
+
+ 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 ))
+ _save_OBE_DrawElements( mode, count, type, indices );
+}
+
+
+
+
+
+static void _save_vtxfmt_init( GLcontext *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ GLvertexformat *vfmt = &save->vtxfmt;
+
+ vfmt->ArrayElement = _ae_loopback_array_elt; /* generic helper */
+ 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->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;
+
+ /* This will all require us to fallback to saving the list as opcodes:
+ */
+ vfmt->CallList = _save_CallList; /* inside begin/end */
+ vfmt->CallLists = _save_CallLists; /* inside begin/end */
+ vfmt->EvalCoord1f = _save_EvalCoord1f;
+ vfmt->EvalCoord1fv = _save_EvalCoord1fv;
+ vfmt->EvalCoord2f = _save_EvalCoord2f;
+ vfmt->EvalCoord2fv = _save_EvalCoord2fv;
+ vfmt->EvalPoint1 = _save_EvalPoint1;
+ vfmt->EvalPoint2 = _save_EvalPoint2;
+
+ /* These are all errors as we at least know we are in some sort of
+ * begin/end pair:
+ */
+ vfmt->EvalMesh1 = _save_EvalMesh1;
+ vfmt->EvalMesh2 = _save_EvalMesh2;
+ vfmt->Begin = _save_Begin;
+ vfmt->Rectf = _save_Rectf;
+ vfmt->DrawArrays = _save_DrawArrays;
+ vfmt->DrawElements = _save_DrawElements;
+ vfmt->DrawRangeElements = _save_DrawRangeElements;
+
+}
+
+
+void vbo_save_SaveFlushVertices( GLcontext *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( GLcontext *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->vbptr = map_vertex_store( ctx, save->vertex_store );
+
+ _save_reset_vertex( ctx );
+ _save_reset_counters( ctx );
+ ctx->Driver.SaveNeedFlush = 0;
+}
+
+void vbo_save_EndList( GLcontext *ctx )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ unmap_vertex_store( ctx, save->vertex_store );
+
+ assert(save->vertex_size == 0);
+}
+
+void vbo_save_BeginCallList( GLcontext *ctx, struct mesa_display_list *dlist )
+{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+ save->replay_flags |= dlist->flags;
+}
+
+void vbo_save_EndCallList( GLcontext *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( GLcontext *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 );
+}
+
+
+static void vbo_print_vertex_list( GLcontext *ctx, void *data )
+{
+ struct vbo_save_vertex_list *node = (struct vbo_save_vertex_list *)data;
+ GLuint i;
+ (void) ctx;
+
+ _mesa_debug(NULL, "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_enum_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( GLcontext *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 )
+{
+ GLcontext *ctx = save->ctx;
+ GLuint i;
+
+ save->opcode_vertex_list =
+ _mesa_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 );
+
+ 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;
+ _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
+}
+