47d4ea1a16
(cleaned up by Ken - make sure a bunch of things were more obviously not using res->surf, do allow checking res->surf.tiling == LINEAR, drop format cpp checks that aren't needed, drop memzone handling for images, assume buffers / non-buffers in a few places...)
154 lines
4.8 KiB
C
154 lines
4.8 KiB
C
/*
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* Copyright 2017 Intel Corporation
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*
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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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*
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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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* Software.
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*
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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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*/
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#ifndef IRIS_RESOURCE_H
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#define IRIS_RESOURCE_H
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#include "pipe/p_state.h"
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#include "util/u_inlines.h"
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#include "intel/isl/isl.h"
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struct iris_batch;
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struct iris_context;
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struct iris_format_info {
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enum isl_format fmt;
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struct isl_swizzle swizzle;
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};
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#define IRIS_RESOURCE_FLAG_SHADER_MEMZONE (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
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#define IRIS_RESOURCE_FLAG_SURFACE_MEMZONE (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
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#define IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE (PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
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/**
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* Resources represent a GPU buffer object or image (mipmap tree).
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*
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* They contain the storage (BO) and layout information (ISL surface).
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*/
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struct iris_resource {
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struct pipe_resource base;
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enum pipe_format internal_format;
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/**
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* The ISL surface layout information for this resource.
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*
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* This is not filled out for PIPE_BUFFER resources, but is guaranteed
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* to be zeroed. Note that this also guarantees that res->surf.tiling
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* will be ISL_TILING_LINEAR, so it's safe to check that.
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*/
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struct isl_surf surf;
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/** Backing storage for the resource */
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struct iris_bo *bo;
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/**
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* A bitfield of PIPE_BIND_* indicating how this resource was bound
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* in the past. Only meaningful for PIPE_BUFFER; used for flushing.
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*/
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unsigned bind_history;
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};
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/**
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* A simple <resource, offset> tuple for storing a reference to a
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* piece of state stored in a GPU buffer object.
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*/
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struct iris_state_ref {
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struct pipe_resource *res;
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uint32_t offset;
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};
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/**
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* Gallium CSO for sampler views (texture views).
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*
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* In addition to the normal pipe_resource, this adds an ISL view
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* which may reinterpret the format or restrict levels/layers.
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*
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* These can also be linear texture buffers.
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*/
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struct iris_sampler_view {
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struct pipe_sampler_view base;
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struct isl_view view;
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/* A short-cut (not a reference) to the actual resource being viewed.
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* Multi-planar (or depth+stencil) images may have multiple resources
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* chained together; this skips having to traverse base->texture->*.
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*/
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struct iris_resource *res;
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/** The resource (BO) holding our SURFACE_STATE. */
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struct iris_state_ref surface_state;
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};
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/**
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* Gallium CSO for surfaces (framebuffer attachments).
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*
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* A view of a surface that can be bound to a color render target or
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* depth/stencil attachment.
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*/
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struct iris_surface {
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struct pipe_surface base;
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struct isl_view view;
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/** The resource (BO) holding our SURFACE_STATE. */
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struct iris_state_ref surface_state;
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};
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/**
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* Transfer object - information about a buffer mapping.
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*/
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struct iris_transfer {
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struct pipe_transfer base;
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struct pipe_debug_callback *dbg;
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void *buffer;
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void *ptr;
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void (*unmap)(struct iris_transfer *);
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};
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/**
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* Unwrap a pipe_resource to get the underlying iris_bo (for convenience).
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*/
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static inline struct iris_bo *
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iris_resource_bo(struct pipe_resource *p_res)
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{
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struct iris_resource *res = (void *) p_res;
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return res->bo;
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}
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struct iris_format_info iris_format_for_usage(const struct gen_device_info *,
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enum pipe_format pf,
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isl_surf_usage_flags_t usage);
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struct pipe_resource *iris_resource_get_separate_stencil(struct pipe_resource *);
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void iris_get_depth_stencil_resources(struct pipe_resource *res,
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struct iris_resource **out_z,
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struct iris_resource **out_s);
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void iris_init_screen_resource_functions(struct pipe_screen *pscreen);
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void iris_flush_and_dirty_for_history(struct iris_context *ice,
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struct iris_batch *batch,
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struct iris_resource *res);
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#endif
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