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/**************************************************************************
*
* 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);
/* Internal function:
*/
extern enum pipe_format
st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
GLboolean normalized, GLboolean integer);
/**
* 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
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