1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2011 Marek Olšák <maraeo@gmail.com> 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef U_VBUF_H 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define U_VBUF_H 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* This module builds upon u_upload_mgr and translate_cache and takes care of 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * user buffer uploads and vertex format fallbacks. It's designed 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * for the drivers which don't always use the Draw module. (e.g. for HWTCL) 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_context.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct cso_context; 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct u_vbuf; 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Hardware vertex fetcher limitations can be described by this structure. */ 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct u_vbuf_caps { 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Vertex format CAPs. */ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* TRUE if hardware supports it. */ 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned format_fixed32:1; /* PIPE_FORMAT_*32*_FIXED */ 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned format_float16:1; /* PIPE_FORMAT_*16*_FLOAT */ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned format_float64:1; /* PIPE_FORMAT_*64*_FLOAT */ 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned format_norm32:1; /* PIPE_FORMAT_*32*NORM */ 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned format_scaled32:1; /* PIPE_FORMAT_*32*SCALED */ 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Whether vertex fetches don't have to be 4-byte-aligned. */ 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* TRUE if hardware supports it. */ 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned buffer_offset_unaligned:1; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned buffer_stride_unaligned:1; 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned velem_src_offset_unaligned:1; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Whether the driver supports user vertex buffers. */ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned user_vertex_buffers:1; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps); 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct u_vbuf * 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgu_vbuf_create(struct pipe_context *pipe, 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct u_vbuf_caps *caps); 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_destroy(struct u_vbuf *mgr); 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* State and draw functions. */ 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_set_vertex_elements(struct u_vbuf *mgr, unsigned count, 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_vertex_element *states); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_set_vertex_buffers(struct u_vbuf *mgr, unsigned count, 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_vertex_buffer *bufs); 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_set_index_buffer(struct u_vbuf *mgr, 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_index_buffer *ib); 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Save/restore functionality. */ 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_save_vertex_elements(struct u_vbuf *mgr); 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_restore_vertex_elements(struct u_vbuf *mgr); 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_save_vertex_buffers(struct u_vbuf *mgr); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid u_vbuf_restore_vertex_buffers(struct u_vbuf *mgr); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 87