| /* |
| * Copyright 2003 VMware, 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 |
| * VMWARE 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@vmware.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 weird 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 |