+++ /dev/null
-/*
- * Copyright 2003 Tungsten Graphics, inc.
- * 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 <keithw@tungstengraphics.com>
- */
-
-#ifndef _TNL_VERTEX_H
-#define _TNL_VERTEX_H
-
-#include "main/glheader.h"
-#include "t_context.h"
-
-struct gl_context;
-struct tnl_clipspace;
-
-/* New mechanism to specify hardware vertices so that tnl can build
- * and manipulate them directly.
- */
-
-
-/* It will probably be necessary to allow drivers to specify new
- * emit-styles to cover all the wierd and wacky things out there.
- */
-enum tnl_attr_format {
- EMIT_1F,
- EMIT_2F,
- EMIT_3F,
- EMIT_4F,
- EMIT_2F_VIEWPORT, /* do viewport transform and emit */
- EMIT_3F_VIEWPORT, /* do viewport transform and emit */
- EMIT_4F_VIEWPORT, /* do viewport transform and emit */
- EMIT_3F_XYW, /* for projective texture */
- EMIT_1UB_1F, /* for fog coordinate */
- EMIT_3UB_3F_RGB, /* for specular color */
- EMIT_3UB_3F_BGR, /* for specular color */
- EMIT_4UB_4F_RGBA, /* for color */
- EMIT_4UB_4F_BGRA, /* for color */
- EMIT_4UB_4F_ARGB, /* for color */
- EMIT_4UB_4F_ABGR, /* for color */
- EMIT_4CHAN_4F_RGBA, /* for swrast color */
- EMIT_PAD, /* leave a hole of 'offset' bytes */
- EMIT_MAX
-};
-
-struct tnl_attr_map {
- GLuint attrib; /* _TNL_ATTRIB_ enum */
- enum tnl_attr_format format;
- GLuint offset;
-};
-
-struct tnl_format_info {
- const char *name;
- tnl_extract_func extract;
- tnl_insert_func insert[4];
- const GLuint attrsize;
-};
-
-extern const struct tnl_format_info _tnl_format_info[EMIT_MAX];
-
-
-/* Interpolate between two vertices to produce a third:
- */
-extern void _tnl_interp( struct gl_context *ctx,
- GLfloat t,
- GLuint edst, GLuint eout, GLuint ein,
- GLboolean force_boundary );
-
-/* Copy colors from one vertex to another:
- */
-extern void _tnl_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
-
-
-/* Extract a named attribute from a hardware vertex. Will have to
- * reverse any viewport transformation, swizzling or other conversions
- * which may have been applied:
- */
-extern void _tnl_get_attr( struct gl_context *ctx, const void *vertex, GLenum attrib,
- GLfloat *dest );
-
-/* Complementary to the above.
- */
-extern void _tnl_set_attr( struct gl_context *ctx, void *vout, GLenum attrib,
- const GLfloat *src );
-
-
-extern void *_tnl_get_vertex( struct gl_context *ctx, GLuint nr );
-
-extern GLuint _tnl_install_attrs( struct gl_context *ctx,
- const struct tnl_attr_map *map,
- GLuint nr, const GLfloat *vp,
- GLuint unpacked_size );
-
-extern void _tnl_free_vertices( struct gl_context *ctx );
-
-extern void _tnl_init_vertices( struct gl_context *ctx,
- GLuint vb_size,
- GLuint max_vertex_size );
-
-extern void *_tnl_emit_vertices_to_buffer( struct gl_context *ctx,
- GLuint start,
- GLuint end,
- void *dest );
-
-/* This function isn't optimal. Check out
- * gallium/auxilary/translate for a more comprehensive implementation of
- * the same functionality.
- */
-
-extern void *_tnl_emit_indexed_vertices_to_buffer( struct gl_context *ctx,
- const GLuint *elts,
- GLuint start,
- GLuint end,
- void *dest );
-
-
-extern void _tnl_build_vertices( struct gl_context *ctx,
- GLuint start,
- GLuint end,
- GLuint newinputs );
-
-extern void _tnl_invalidate_vertices( struct gl_context *ctx, GLuint newinputs );
-
-extern void _tnl_invalidate_vertex_state( struct gl_context *ctx, GLuint new_state );
-
-extern void _tnl_notify_pipeline_output_change( struct gl_context *ctx );
-
-
-#define GET_VERTEX_STATE(ctx) &(TNL_CONTEXT(ctx)->clipspace)
-
-/* Internal function:
- */
-void _tnl_register_fastpath( struct tnl_clipspace *vtx,
- GLboolean match_strides );
-
-
-/* t_vertex_generic.c -- Internal functions for t_vertex.c
- */
-void _tnl_generic_copy_pv_extras( struct gl_context *ctx,
- GLuint dst, GLuint src );
-
-void _tnl_generic_interp_extras( struct gl_context *ctx,
- GLfloat t,
- GLuint dst, GLuint out, GLuint in,
- GLboolean force_boundary );
-
-void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
-
-void _tnl_generic_interp( struct gl_context *ctx,
- GLfloat t,
- GLuint edst, GLuint eout, GLuint ein,
- GLboolean force_boundary );
-
-void _tnl_generic_emit( struct gl_context *ctx,
- GLuint count,
- GLubyte *v );
-
-void _tnl_generate_hardwired_emit( struct gl_context *ctx );
-
-/* t_vertex_sse.c -- Internal functions for t_vertex.c
- */
-void _tnl_generate_sse_emit( struct gl_context *ctx );
-
-#endif
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