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* Copyright 2014, 2015 Red Hat.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "pipe/p_screen.h"
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#include "util/slab.h"
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#include "util/disk_cache.h"
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#include "virgl_winsys.h"
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#include "compiler/nir/nir.h"
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enum virgl_debug_flags {
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VIRGL_DEBUG_VERBOSE = 1 << 0,
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VIRGL_DEBUG_TGSI = 1 << 1,
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VIRGL_DEBUG_NO_EMULATE_BGRA = 1 << 2,
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VIRGL_DEBUG_NO_BGRA_DEST_SWIZZLE = 1 << 3,
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VIRGL_DEBUG_SYNC = 1 << 4,
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VIRGL_DEBUG_XFER = 1 << 5,
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VIRGL_DEBUG_NO_COHERENT = 1 << 6,
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VIRGL_DEBUG_NIR = 1 << 7,
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VIRGL_DEBUG_L8_SRGB_ENABLE_READBACK = 1 << 8,
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extern int virgl_debug;
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struct pipe_screen base;
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/* place for winsys to stash it's own stuff: */
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struct virgl_winsys *vws;
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struct virgl_drm_caps caps;
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struct slab_parent_pool transfer_pool;
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bool tweak_gles_emulate_bgra;
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bool tweak_gles_apply_bgra_dest_swizzle;
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bool tweak_l8_srgb_readback;
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int32_t tweak_gles_tf3_value;
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nir_shader_compiler_options compiler_options;
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struct disk_cache *disk_cache;
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static inline struct virgl_screen *
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virgl_screen(struct pipe_screen *pipe)
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return (struct virgl_screen *)pipe;
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virgl_has_readback_format(struct pipe_screen *screen, enum virgl_formats fmt,
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virgl_has_scanout_format(struct virgl_screen *vscreen,
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enum pipe_format format,
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bool may_emulate_bgra);
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/* GL_ARB_map_buffer_alignment requires 64 as the minimum alignment value. In
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* addition to complying with the extension, a high enough alignment value is
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* expected by various external GL clients. For example, wined3d doesn't like
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* maps that don't have a 16 byte alignment.
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#define VIRGL_MAP_BUFFER_ALIGNMENT 64