1/* 2 * Copyright 2014, 2015 Red Hat. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23#ifndef VIRGL_H 24#define VIRGL_H 25 26#include "pipe/p_screen.h" 27#include "util/slab.h" 28#include "util/disk_cache.h" 29#include "virgl_winsys.h" 30#include "compiler/nir/nir.h" 31 32enum virgl_debug_flags { 33 VIRGL_DEBUG_VERBOSE = 1 << 0, 34 VIRGL_DEBUG_TGSI = 1 << 1, 35 VIRGL_DEBUG_NO_EMULATE_BGRA = 1 << 2, 36 VIRGL_DEBUG_NO_BGRA_DEST_SWIZZLE = 1 << 3, 37 VIRGL_DEBUG_SYNC = 1 << 4, 38 VIRGL_DEBUG_XFER = 1 << 5, 39 VIRGL_DEBUG_NO_COHERENT = 1 << 6, 40 VIRGL_DEBUG_USE_TGSI = 1 << 7, 41 VIRGL_DEBUG_L8_SRGB_ENABLE_READBACK = 1 << 8, 42}; 43 44extern int virgl_debug; 45 46struct virgl_screen { 47 struct pipe_screen base; 48 49 int refcnt; 50 51 /* place for winsys to stash it's own stuff: */ 52 void *winsys_priv; 53 54 struct virgl_winsys *vws; 55 56 struct virgl_drm_caps caps; 57 58 struct slab_parent_pool transfer_pool; 59 60 uint32_t sub_ctx_id; 61 bool tweak_gles_emulate_bgra; 62 bool tweak_gles_apply_bgra_dest_swizzle; 63 bool tweak_l8_srgb_readback; 64 bool no_coherent; 65 int32_t tweak_gles_tf3_value; 66 67 nir_shader_compiler_options compiler_options; 68 69 struct disk_cache *disk_cache; 70}; 71 72 73static inline struct virgl_screen * 74virgl_screen(struct pipe_screen *pipe) 75{ 76 return (struct virgl_screen *)pipe; 77} 78 79bool 80virgl_has_readback_format(struct pipe_screen *screen, enum virgl_formats fmt, 81 bool allow_tweak); 82 83bool 84virgl_has_scanout_format(struct virgl_screen *vscreen, 85 enum pipe_format format, 86 bool may_emulate_bgra); 87 88/* GL_ARB_map_buffer_alignment requires 64 as the minimum alignment value. In 89 * addition to complying with the extension, a high enough alignment value is 90 * expected by various external GL clients. For example, wined3d doesn't like 91 * maps that don't have a 16 byte alignment. 92 */ 93#define VIRGL_MAP_BUFFER_ALIGNMENT 64 94 95#endif 96