| /************************************************************************** |
| |
| Copyright 2002 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 __VBO_EXEC_H__ |
| #define __VBO_EXEC_H__ |
| |
| #include "main/mtypes.h" |
| #include "vbo.h" |
| #include "vbo_attrib.h" |
| |
| #include "main/imports.h" |
| |
| /** |
| * Max number of primitives (number of glBegin/End pairs) per VBO. |
| */ |
| #define VBO_MAX_PRIM 64 |
| |
| |
| /** |
| * Size of the VBO to use for glBegin/glVertex/glEnd-style rendering. |
| */ |
| #define VBO_VERT_BUFFER_SIZE (1024*64) /* bytes */ |
| |
| |
| /** Current vertex program mode */ |
| enum vp_mode { |
| VP_NONE, /**< fixed function */ |
| VP_ARB /**< ARB vertex program or GLSL vertex shader */ |
| }; |
| |
| |
| 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 { |
| fi_type buffer[VBO_ATTRIB_MAX * 4 * VBO_MAX_COPIED_VERTS]; |
| GLuint nr; |
| }; |
| |
| |
| struct vbo_exec_context |
| { |
| struct gl_context *ctx; |
| GLvertexformat vtxfmt; |
| GLvertexformat vtxfmt_noop; |
| GLboolean validating; /**< if we're in the middle of state validation */ |
| |
| struct { |
| struct gl_buffer_object *bufferobj; |
| |
| GLuint vertex_size; /* in dwords */ |
| |
| struct _mesa_prim prim[VBO_MAX_PRIM]; |
| GLuint prim_count; |
| |
| fi_type *buffer_map; |
| fi_type *buffer_ptr; /* cursor, points into buffer */ |
| GLuint buffer_used; /* in bytes */ |
| fi_type vertex[VBO_ATTRIB_MAX*4]; /* current vertex */ |
| |
| GLuint vert_count; /**< Number of vertices currently in buffer */ |
| GLuint max_vert; /**< Max number of vertices allowed in buffer */ |
| struct vbo_exec_copied_vtx copied; |
| |
| GLbitfield64 enabled; /**< mask of enabled vbo arrays. */ |
| GLubyte attrsz[VBO_ATTRIB_MAX]; /**< nr. of attrib components (1..4) */ |
| GLenum attrtype[VBO_ATTRIB_MAX]; /**< GL_FLOAT, GL_DOUBLE, GL_INT, etc */ |
| GLubyte active_sz[VBO_ATTRIB_MAX]; /**< attrib size (nr. 32-bit words) */ |
| |
| /** pointers into the current 'vertex' array, declared above */ |
| fi_type *attrptr[VBO_ATTRIB_MAX]; |
| |
| struct gl_vertex_array arrays[VERT_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: |
| */ |
| const struct gl_vertex_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 { |
| /* Arrays and current values manipulated according to program |
| * mode, etc. These are the attributes as seen by vertex |
| * programs: |
| */ |
| const struct gl_vertex_array *inputs[VERT_ATTRIB_MAX]; |
| GLboolean recalculate_inputs; |
| } array; |
| |
| /* Which flags to set in vbo_exec_begin_vertices() */ |
| GLbitfield begin_vertices_flags; |
| |
| #ifdef DEBUG |
| GLint flush_call_depth; |
| #endif |
| }; |
| |
| |
| |
| /* External API: |
| */ |
| void vbo_exec_init( struct gl_context *ctx ); |
| void vbo_exec_destroy( struct gl_context *ctx ); |
| void vbo_exec_invalidate_state( struct gl_context *ctx, GLbitfield new_state ); |
| |
| |
| /* Internal functions: |
| */ |
| 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, GLboolean unmap ); |
| void vbo_exec_vtx_map( 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); |
| |
| #endif |