From 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 Mon Sep 17 00:00:00 2001 From: marha Date: Sat, 30 Apr 2011 15:25:48 +0000 Subject: Added extra needed files --- mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.h | 121 ++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.h (limited to 'mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.h') diff --git a/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.h b/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.h new file mode 100644 index 000000000..0ef27744c --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_vbuf_mgr.h @@ -0,0 +1,121 @@ +/************************************************************************** + * + * Copyright 2011 Marek Olšák + * 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_MGR_H +#define U_VBUF_MGR_H + +/* This module builds upon u_upload_mgr and translate_cache and takes care of + * user buffer uploads and vertex format fallbacks. It's designed + * for the drivers which don't always use the Draw module. (e.g. for HWTCL) + */ + +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "util/u_transfer.h" + +/* The manager. + * This structure should also be used to access vertex buffers + * from a driver. */ +struct u_vbuf_mgr { + /* This is what was set in set_vertex_buffers. + * May contain user buffers. */ + struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; + unsigned nr_vertex_buffers; + + /* Contains only real vertex buffers. + * Hardware drivers should use real_vertex_buffers[i] + * instead of vertex_buffers[i].buffer. */ + struct pipe_resource *real_vertex_buffer[PIPE_MAX_ATTRIBS]; + int nr_real_vertex_buffers; + + /* Precomputed max_index for hardware vertex buffers. */ + unsigned max_index; + + /* This uploader can optionally be used by the driver. + * + * Allowed functions: + * - u_upload_alloc + * - u_upload_data + * - u_upload_buffer + * - u_upload_flush */ + struct u_upload_mgr *uploader; +}; + +struct u_vbuf_resource { + struct u_resource b; + uint8_t *user_ptr; +}; + +/* Opaque type containing information about vertex elements for the manager. */ +struct u_vbuf_mgr_elements; + +enum u_fetch_alignment { + U_VERTEX_FETCH_BYTE_ALIGNED, + U_VERTEX_FETCH_DWORD_ALIGNED +}; + + +struct u_vbuf_mgr * +u_vbuf_mgr_create(struct pipe_context *pipe, + unsigned upload_buffer_size, + unsigned upload_buffer_alignment, + unsigned upload_buffer_bind, + enum u_fetch_alignment fetch_alignment); + +void u_vbuf_mgr_destroy(struct u_vbuf_mgr *mgr); + +struct u_vbuf_mgr_elements * +u_vbuf_mgr_create_vertex_elements(struct u_vbuf_mgr *mgr, + unsigned count, + const struct pipe_vertex_element *attrs, + struct pipe_vertex_element *native_attrs); + +void u_vbuf_mgr_bind_vertex_elements(struct u_vbuf_mgr *mgr, + void *cso, + struct u_vbuf_mgr_elements *ve); + +void u_vbuf_mgr_destroy_vertex_elements(struct u_vbuf_mgr *mgr, + struct u_vbuf_mgr_elements *ve); + +void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgr, + unsigned count, + const struct pipe_vertex_buffer *bufs); + +void u_vbuf_mgr_draw_begin(struct u_vbuf_mgr *mgr, + const struct pipe_draw_info *info, + boolean *buffers_updated, + boolean *uploader_flushed); + +void u_vbuf_mgr_draw_end(struct u_vbuf_mgr *mgr); + + +static INLINE struct u_vbuf_resource *u_vbuf_resource(struct pipe_resource *r) +{ + return (struct u_vbuf_resource*)r; +} + +#endif -- cgit v1.2.3