| 0,0 → 1,87 |
|---|
| /************************************************************************** |
| * |
| * 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 |