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![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
185 lines
5.5 KiB
C
185 lines
5.5 KiB
C
/*
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* Copyright 2003 Tungsten Graphics, inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Keith Whitwell <keithw@tungstengraphics.com>
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*/
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#ifndef _TNL_VERTEX_H
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#define _TNL_VERTEX_H
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#include "main/glheader.h"
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#include "t_context.h"
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struct gl_context;
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struct tnl_clipspace;
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/* New mechanism to specify hardware vertices so that tnl can build
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* and manipulate them directly.
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*/
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/* It will probably be necessary to allow drivers to specify new
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* emit-styles to cover all the wierd and wacky things out there.
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*/
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enum tnl_attr_format {
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EMIT_1F,
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EMIT_2F,
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EMIT_3F,
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EMIT_4F,
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EMIT_2F_VIEWPORT, /* do viewport transform and emit */
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EMIT_3F_VIEWPORT, /* do viewport transform and emit */
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EMIT_4F_VIEWPORT, /* do viewport transform and emit */
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EMIT_3F_XYW, /* for projective texture */
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EMIT_1UB_1F, /* for fog coordinate */
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EMIT_3UB_3F_RGB, /* for specular color */
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EMIT_3UB_3F_BGR, /* for specular color */
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EMIT_4UB_4F_RGBA, /* for color */
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EMIT_4UB_4F_BGRA, /* for color */
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EMIT_4UB_4F_ARGB, /* for color */
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EMIT_4UB_4F_ABGR, /* for color */
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EMIT_4CHAN_4F_RGBA, /* for swrast color */
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EMIT_PAD, /* leave a hole of 'offset' bytes */
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EMIT_MAX
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};
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struct tnl_attr_map {
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GLuint attrib; /* _TNL_ATTRIB_ enum */
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enum tnl_attr_format format;
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GLuint offset;
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};
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struct tnl_format_info {
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const char *name;
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tnl_extract_func extract;
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tnl_insert_func insert[4];
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const GLuint attrsize;
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};
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extern const struct tnl_format_info _tnl_format_info[EMIT_MAX];
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/* Interpolate between two vertices to produce a third:
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*/
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extern void _tnl_interp( struct gl_context *ctx,
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GLfloat t,
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GLuint edst, GLuint eout, GLuint ein,
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GLboolean force_boundary );
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/* Copy colors from one vertex to another:
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*/
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extern void _tnl_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
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/* Extract a named attribute from a hardware vertex. Will have to
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* reverse any viewport transformation, swizzling or other conversions
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* which may have been applied:
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*/
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extern void _tnl_get_attr( struct gl_context *ctx, const void *vertex, GLenum attrib,
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GLfloat *dest );
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/* Complementary to the above.
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*/
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extern void _tnl_set_attr( struct gl_context *ctx, void *vout, GLenum attrib,
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const GLfloat *src );
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extern void *_tnl_get_vertex( struct gl_context *ctx, GLuint nr );
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extern GLuint _tnl_install_attrs( struct gl_context *ctx,
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const struct tnl_attr_map *map,
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GLuint nr, const GLfloat *vp,
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GLuint unpacked_size );
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extern void _tnl_free_vertices( struct gl_context *ctx );
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extern void _tnl_init_vertices( struct gl_context *ctx,
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GLuint vb_size,
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GLuint max_vertex_size );
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extern void *_tnl_emit_vertices_to_buffer( struct gl_context *ctx,
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GLuint start,
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GLuint end,
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void *dest );
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/* This function isn't optimal. Check out
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* gallium/auxilary/translate for a more comprehensive implementation of
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* the same functionality.
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*/
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extern void *_tnl_emit_indexed_vertices_to_buffer( struct gl_context *ctx,
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const GLuint *elts,
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GLuint start,
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GLuint end,
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void *dest );
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extern void _tnl_build_vertices( struct gl_context *ctx,
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GLuint start,
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GLuint end,
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GLuint newinputs );
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extern void _tnl_invalidate_vertices( struct gl_context *ctx, GLuint newinputs );
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extern void _tnl_invalidate_vertex_state( struct gl_context *ctx, GLuint new_state );
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extern void _tnl_notify_pipeline_output_change( struct gl_context *ctx );
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#define GET_VERTEX_STATE(ctx) &(TNL_CONTEXT(ctx)->clipspace)
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/* Internal function:
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*/
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void _tnl_register_fastpath( struct tnl_clipspace *vtx,
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GLboolean match_strides );
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/* t_vertex_generic.c -- Internal functions for t_vertex.c
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*/
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void _tnl_generic_copy_pv_extras( struct gl_context *ctx,
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GLuint dst, GLuint src );
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void _tnl_generic_interp_extras( struct gl_context *ctx,
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GLfloat t,
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GLuint dst, GLuint out, GLuint in,
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GLboolean force_boundary );
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void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
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void _tnl_generic_interp( struct gl_context *ctx,
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GLfloat t,
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GLuint edst, GLuint eout, GLuint ein,
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GLboolean force_boundary );
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void _tnl_generic_emit( struct gl_context *ctx,
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GLuint count,
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GLubyte *v );
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void _tnl_generate_hardwired_emit( struct gl_context *ctx );
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/* t_vertex_sse.c -- Internal functions for t_vertex.c
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*/
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void _tnl_generate_sse_emit( struct gl_context *ctx );
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#endif
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