| /************************************************************************** |
| |
| 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> |
| * |
| */ |
| |
| #ifndef __VBO_EXEC_H__ |
| #define __VBO_EXEC_H__ |
| |
| #include "main/mtypes.h" |
| #include "vbo.h" |
| #include "vbo_attrib.h" |
| |
| |
| #define VBO_MAX_PRIM 64 |
| |
| /* Wierd implementation stuff: |
| */ |
| #define VBO_VERT_BUFFER_SIZE (1024*16) /* dwords == 64k */ |
| #define VBO_MAX_ATTR_CODEGEN 16 |
| #define ERROR_ATTRIB 16 |
| |
| |
| |
| |
| struct vbo_exec_eval1_map { |
| struct gl_1d_map *map; |
| GLuint sz; |
| }; |
| |
| struct vbo_exec_eval2_map { |
| struct gl_2d_map *map; |
| GLuint sz; |
| }; |
| |
| |
| |
| struct vbo_exec_copied_vtx { |
| GLfloat buffer[VBO_ATTRIB_MAX * 4 * VBO_MAX_COPIED_VERTS]; |
| GLuint nr; |
| }; |
| |
| |
| typedef void (*vbo_attrfv_func)( const GLfloat * ); |
| |
| |
| struct vbo_exec_context |
| { |
| GLcontext *ctx; |
| GLvertexformat vtxfmt; |
| |
| struct { |
| struct gl_buffer_object *bufferobj; |
| GLubyte *buffer_map; |
| |
| GLuint vertex_size; |
| |
| struct _mesa_prim prim[VBO_MAX_PRIM]; |
| GLuint prim_count; |
| |
| GLfloat *vbptr; /* cursor, points into buffer */ |
| GLfloat vertex[VBO_ATTRIB_MAX*4]; /* current vertex */ |
| |
| GLuint vert_count; |
| GLuint max_vert; |
| struct vbo_exec_copied_vtx copied; |
| |
| GLubyte attrsz[VBO_ATTRIB_MAX]; |
| GLubyte active_sz[VBO_ATTRIB_MAX]; |
| |
| GLfloat *attrptr[VBO_ATTRIB_MAX]; |
| struct gl_client_array arrays[VBO_ATTRIB_MAX]; |
| |
| /* According to program mode, the values above plus current |
| * values are squashed down to the 32 attributes passed to the |
| * vertex program below: |
| */ |
| GLuint program_mode; |
| GLuint enabled_flags; |
| const struct gl_client_array *inputs[VERT_ATTRIB_MAX]; |
| } vtx; |
| |
| |
| struct { |
| GLboolean recalculate_maps; |
| struct vbo_exec_eval1_map map1[VERT_ATTRIB_MAX]; |
| struct vbo_exec_eval2_map map2[VERT_ATTRIB_MAX]; |
| } eval; |
| |
| struct { |
| GLuint program_mode; |
| GLuint enabled_flags; |
| GLuint array_obj; |
| |
| /* These just mirror the current arrayobj (todo: make arrayobj |
| * look like this and remove the mirror): |
| */ |
| const struct gl_client_array *legacy_array[16]; |
| const struct gl_client_array *generic_array[16]; |
| |
| /* Arrays and current values manipulated according to program |
| * mode, etc. These are the attributes as seen by vertex |
| * programs: |
| */ |
| const struct gl_client_array *inputs[VERT_ATTRIB_MAX]; |
| } array; |
| }; |
| |
| |
| |
| /* External API: |
| */ |
| void vbo_exec_init( GLcontext *ctx ); |
| void vbo_exec_destroy( GLcontext *ctx ); |
| void vbo_exec_invalidate_state( GLcontext *ctx, GLuint new_state ); |
| void vbo_exec_FlushVertices( GLcontext *ctx, GLuint flags ); |
| |
| |
| /* Internal functions: |
| */ |
| void vbo_exec_array_init( struct vbo_exec_context *exec ); |
| void vbo_exec_array_destroy( struct vbo_exec_context *exec ); |
| |
| |
| void vbo_exec_vtx_init( struct vbo_exec_context *exec ); |
| void vbo_exec_vtx_destroy( struct vbo_exec_context *exec ); |
| void vbo_exec_vtx_flush( struct vbo_exec_context *exec ); |
| void vbo_exec_vtx_wrap( struct vbo_exec_context *exec ); |
| |
| void vbo_exec_eval_update( struct vbo_exec_context *exec ); |
| |
| void vbo_exec_do_EvalCoord2f( struct vbo_exec_context *exec, |
| GLfloat u, GLfloat v ); |
| |
| void vbo_exec_do_EvalCoord1f( struct vbo_exec_context *exec, |
| GLfloat u); |
| |
| extern GLboolean |
| vbo_validate_shaders(GLcontext *ctx); |
| |
| #endif |