/************************************************************************** * * 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 gl_client_array **arrays, const struct _mesa_prim *prims, GLuint nr_prims, const struct _mesa_index_buffer *ib, GLboolean index_bounds_valid, GLuint min_index, GLuint max_index); extern void st_feedback_draw_vbo(struct gl_context *ctx, const struct gl_client_array **arrays, const struct _mesa_prim *prims, GLuint nr_prims, const struct _mesa_index_buffer *ib, GLboolean index_bounds_valid, GLuint min_index, GLuint max_index); /* Internal function: */ extern enum pipe_format st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, GLboolean normalized); /** * 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