88 lines
3.5 KiB
C
88 lines
3.5 KiB
C
|
/**************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright 2011 Marek Olšák <maraeo@gmail.com>
|
||
|
|
* 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 AUTHORS 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.
|
||
|
|
*
|
||
|
|
**************************************************************************/
|
||
|
|
|
||
|
|
#ifndef U_VBUF_H
|
||
|
|
#define U_VBUF_H
|
||
|
|
|
||
|
|
/* This module takes care of user buffer uploads and vertex format fallbacks.
|
||
|
|
* It's designed for the drivers which don't want to use the Draw module.
|
||
|
|
* There is a more detailed description at the beginning of the .c file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "pipe/p_context.h"
|
||
|
|
#include "pipe/p_state.h"
|
||
|
|
|
||
|
|
struct cso_context;
|
||
|
|
struct u_vbuf;
|
||
|
|
|
||
|
|
/* Hardware vertex fetcher limitations can be described by this structure. */
|
||
|
|
struct u_vbuf_caps {
|
||
|
|
/* Vertex format CAPs. */
|
||
|
|
/* TRUE if hardware supports it. */
|
||
|
|
unsigned format_fixed32:1; /* PIPE_FORMAT_*32*_FIXED */
|
||
|
|
unsigned format_float16:1; /* PIPE_FORMAT_*16*_FLOAT */
|
||
|
|
unsigned format_float64:1; /* PIPE_FORMAT_*64*_FLOAT */
|
||
|
|
unsigned format_norm32:1; /* PIPE_FORMAT_*32*NORM */
|
||
|
|
unsigned format_scaled32:1; /* PIPE_FORMAT_*32*SCALED */
|
||
|
|
|
||
|
|
/* Whether vertex fetches don't have to be 4-byte-aligned. */
|
||
|
|
/* TRUE if hardware supports it. */
|
||
|
|
unsigned buffer_offset_unaligned:1;
|
||
|
|
unsigned buffer_stride_unaligned:1;
|
||
|
|
unsigned velem_src_offset_unaligned:1;
|
||
|
|
|
||
|
|
/* Whether the driver supports user vertex buffers. */
|
||
|
|
unsigned user_vertex_buffers:1;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
void u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps);
|
||
|
|
|
||
|
|
struct u_vbuf *
|
||
|
|
u_vbuf_create(struct pipe_context *pipe,
|
||
|
|
struct u_vbuf_caps *caps, unsigned aux_vertex_buffer_index);
|
||
|
|
|
||
|
|
void u_vbuf_destroy(struct u_vbuf *mgr);
|
||
|
|
|
||
|
|
/* State and draw functions. */
|
||
|
|
void u_vbuf_set_vertex_elements(struct u_vbuf *mgr, unsigned count,
|
||
|
|
const struct pipe_vertex_element *states);
|
||
|
|
void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr,
|
||
|
|
unsigned start_slot, unsigned count,
|
||
|
|
const struct pipe_vertex_buffer *bufs);
|
||
|
|
void u_vbuf_set_index_buffer(struct u_vbuf *mgr,
|
||
|
|
const struct pipe_index_buffer *ib);
|
||
|
|
void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info);
|
||
|
|
|
||
|
|
/* Save/restore functionality. */
|
||
|
|
void u_vbuf_save_vertex_elements(struct u_vbuf *mgr);
|
||
|
|
void u_vbuf_restore_vertex_elements(struct u_vbuf *mgr);
|
||
|
|
void u_vbuf_save_aux_vertex_buffer_slot(struct u_vbuf *mgr);
|
||
|
|
void u_vbuf_restore_aux_vertex_buffer_slot(struct u_vbuf *mgr);
|
||
|
|
|
||
|
|
#endif
|