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freedreno: Extract out shared LRZFC layout helpers

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Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30304>
This commit is contained in:
Rob Clark
2024-07-23 12:49:04 -07:00
committed by Marge Bot
parent beb5577e12
commit 679e9093e1
5 changed files with 70 additions and 56 deletions
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64
src/freedreno/common/freedreno_lrz.h Normal file
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@@ -0,0 +1,64 @@
/*
* Copyright © 2024 Igalia S.L.
* SPDX-License-Identifier: MIT
*/
#ifndef __FREEDRENO_LRZ_H__
#define __FREEDRENO_LRZ_H__
#include "adreno_common.xml.h"
/* Layout of LRZ fast-clear buffer templated on the generation, the
* members are as follows:
* - fc1: The first FC buffer, always present. This may contain multiple
* sub-buffers with _a/_b suffixes for concurrent binning which
* can be checked using HAS_CB.
* - fc2: The second FC buffer, used for bidirectional LRZ and only present
* when HAS_BIDIR set. It has suffixes for CB like fc1.
* - metadata: Metadata buffer for LRZ fast-clear. The contents are not
* always known, since they're handled by the hardware.
*/
template <chip CHIP>
struct fd_lrzfc_layout;
template <>
struct PACKED fd_lrzfc_layout<A6XX> {
static const bool HAS_BIDIR = false;
static const bool HAS_CB = false;
static const size_t FC_SIZE = 512;
uint8_t fc1[FC_SIZE];
union {
struct {
uint8_t dir_track;
uint8_t _pad_;
uint32_t gras_lrz_depth_view;
};
uint8_t metadata[6];
};
};
template <>
struct PACKED fd_lrzfc_layout<A7XX> {
static const bool HAS_BIDIR = true;
static const bool HAS_CB = true;
static const size_t FC_SIZE = 1024;
union {
struct {
uint8_t fc1_a[FC_SIZE];
uint8_t fc1_b[FC_SIZE];
};
uint8_t fc1[FC_SIZE * 2];
};
uint8_t metadata[512];
union {
struct {
uint8_t fc2_a[FC_SIZE];
uint8_t fc2_b[FC_SIZE];
};
uint8_t fc2[FC_SIZE * 2];
};
};
#endif

3
src/freedreno/vulkan/tu_clear_blit.cc
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@@ -25,6 +25,7 @@
#include "tu_lrz.h"
#include "common/freedreno_gpu_event.h"
#include "common/freedreno_lrz.h"
static const VkOffset2D blt_no_coord = { ~0, ~0 };
@@ -1833,7 +1834,7 @@ tu6_dirty_lrz_fc(struct tu_cmd_buffer *cmd,
VkClearValue clear = {};
clear.color.uint32[0] = 0xffffffff;
using LRZFC = tu_lrzfc_layout<CHIP>;
using LRZFC = fd_lrzfc_layout<CHIP>;
uint64_t lrz_fc_iova = image->iova + image->lrz_fc_offset;
ops->setup(cmd, cs, PIPE_FORMAT_R32_UINT, PIPE_FORMAT_R32_UINT,
VK_IMAGE_ASPECT_COLOR_BIT, 0, true, false,

5
src/freedreno/vulkan/tu_image.cc
View File

@@ -10,6 +10,7 @@
#include "tu_image.h"
#include "fdl/fd6_format_table.h"
#include "common/freedreno_lrz.h"
#include "util/u_debug.h"
#include "util/format/u_format.h"
@@ -594,12 +595,12 @@ tu_image_update_layout(struct tu_device *device, struct tu_image *image,
/* Fast-clear buffer cannot be larger than 512 bytes on A6XX and 1024 bytes on A7XX (HW limitation) */
image->has_lrz_fc =
device->physical_device->info->a6xx.enable_lrz_fast_clear &&
lrz_fc_size <= tu_lrzfc_layout<CHIP>::FC_SIZE &&
lrz_fc_size <= fd_lrzfc_layout<CHIP>::FC_SIZE &&
!TU_DEBUG(NOLRZFC);
if (image->has_lrz_fc || device->physical_device->info->a6xx.has_lrz_dir_tracking) {
image->lrz_fc_offset = image->total_size + lrz_size;
lrz_size += sizeof(tu_lrzfc_layout<CHIP>);
lrz_size += sizeof(fd_lrzfc_layout<CHIP>);
}
image->total_size += lrz_size;

1
src/freedreno/vulkan/tu_lrz.cc
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@@ -11,6 +11,7 @@
#include "tu_image.h"
#include "common/freedreno_gpu_event.h"
#include "common/freedreno_lrz.h"
/* See lrz.rst for how HW works. Here are only the implementation notes.
*

53
src/freedreno/vulkan/tu_lrz.h
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@@ -42,59 +42,6 @@ struct tu_lrz_state
enum tu_lrz_direction prev_direction;
};
/* Layout of LRZ fast-clear buffer templated on the generation, the
* members are as follows:
* - fc1: The first FC buffer, always present. This may contain multiple
* sub-buffers with _a/_b suffixes for concurrent binning which
* can be checked using HAS_CB.
* - fc2: The second FC buffer, used for bidirectional LRZ and only present
* when HAS_BIDIR set. It has suffixes for CB like fc1.
* - metadata: Metadata buffer for LRZ fast-clear. The contents are not
* always known, since they're handled by the hardware.
*/
template <chip CHIP>
struct tu_lrzfc_layout;
template <>
struct PACKED tu_lrzfc_layout<A6XX> {
static const bool HAS_BIDIR = false;
static const bool HAS_CB = false;
static const size_t FC_SIZE = 512;
uint8_t fc1[FC_SIZE];
union {
struct {
uint8_t dir_track;
uint8_t _pad_;
uint32_t gras_lrz_depth_view;
};
uint8_t metadata[6];
};
};
template <>
struct PACKED tu_lrzfc_layout<A7XX> {
static const bool HAS_BIDIR = true;
static const bool HAS_CB = true;
static const size_t FC_SIZE = 1024;
union {
struct {
uint8_t fc1_a[FC_SIZE];
uint8_t fc1_b[FC_SIZE];
};
uint8_t fc1[FC_SIZE * 2];
};
uint8_t metadata[512];
union {
struct {
uint8_t fc2_a[FC_SIZE];
uint8_t fc2_b[FC_SIZE];
};
uint8_t fc2[FC_SIZE * 2];
};
};
template <chip CHIP>
void
tu6_emit_lrz(struct tu_cmd_buffer *cmd, struct tu_cs *cs);