| /************************************************************************** |
| * |
| * Copyright 2004 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 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 ITS 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 ST_DRAW_H |
| #define ST_DRAW_H |
| |
| #include "main/compiler.h" |
| #include "main/glheader.h" |
| |
| struct _mesa_index_buffer; |
| struct _mesa_prim; |
| struct gl_client_array; |
| struct gl_context; |
| struct st_context; |
| |
| void st_init_draw( struct st_context *st ); |
| |
| void st_destroy_draw( struct st_context *st ); |
| |
| extern void |
| st_draw_vbo(struct gl_context *ctx, |
| const struct _mesa_prim *prims, |
| GLuint nr_prims, |
| const struct _mesa_index_buffer *ib, |
| GLboolean index_bounds_valid, |
| GLuint min_index, |
| GLuint max_index, |
| struct gl_transform_feedback_object *tfb_vertcount); |
| |
| extern void |
| st_feedback_draw_vbo(struct gl_context *ctx, |
| const struct _mesa_prim *prims, |
| GLuint nr_prims, |
| const struct _mesa_index_buffer *ib, |
| GLboolean index_bounds_valid, |
| GLuint min_index, |
| GLuint max_index, |
| struct gl_transform_feedback_object *tfb_vertcount); |
| |
| /** |
| * When drawing with VBOs, the addresses specified with |
| * glVertex/Color/TexCoordPointer() are really offsets into the VBO, not real |
| * addresses. At some point we need to convert those pointers to offsets. |
| * This function is basically a cast wrapper to avoid warnings when building |
| * in 64-bit mode. |
| */ |
| static INLINE unsigned |
| pointer_to_offset(const void *ptr) |
| { |
| return (unsigned) (((unsigned long) ptr) & 0xffffffffUL); |
| } |
| |
| |
| #endif |