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/*
* Copyright © 2012 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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 BLORP_H
#define BLORP_H
#include <stdint.h>
#include <stdbool.h>
#include "isl/isl.h"
struct brw_stage_prog_data;
#ifdef __cplusplus
extern "C" {
#endif
struct blorp_batch;
struct blorp_params;
struct blorp_context {
void *driver_ctx;
const struct isl_device *isl_dev;
const struct brw_compiler *compiler;
struct {
uint32_t tex;
uint32_t rb;
uint32_t vb;
} mocs;
bool (*lookup_shader)(struct blorp_context *blorp,
const void *key, uint32_t key_size,
uint32_t *kernel_out, void *prog_data_out);
bool (*upload_shader)(struct blorp_context *blorp,
const void *key, uint32_t key_size,
const void *kernel, uint32_t kernel_size,
const struct brw_stage_prog_data *prog_data,
uint32_t prog_data_size,
uint32_t *kernel_out, void *prog_data_out);
void (*exec)(struct blorp_batch *batch, const struct blorp_params *params);
};
void blorp_init(struct blorp_context *blorp, void *driver_ctx,
struct isl_device *isl_dev);
void blorp_finish(struct blorp_context *blorp);
enum blorp_batch_flags {
/**
* This flag indicates that blorp should *not* re-emit the depth and
* stencil buffer packets. Instead, the driver guarantees that all depth
* and stencil images passed in will match what is currently set in the
* hardware.
*/
BLORP_BATCH_NO_EMIT_DEPTH_STENCIL = (1 << 0),
};
struct blorp_batch {
struct blorp_context *blorp;
void *driver_batch;
enum blorp_batch_flags flags;
};
void blorp_batch_init(struct blorp_context *blorp, struct blorp_batch *batch,
void *driver_batch, enum blorp_batch_flags flags);
void blorp_batch_finish(struct blorp_batch *batch);
struct blorp_address {
void *buffer;
uint32_t read_domains;
uint32_t write_domain;
uint32_t offset;
};
struct blorp_surf
{
const struct isl_surf *surf;
struct blorp_address addr;
const struct isl_surf *aux_surf;
struct blorp_address aux_addr;
enum isl_aux_usage aux_usage;
union isl_color_value clear_color;
};
void
blorp_blit(struct blorp_batch *batch,
const struct blorp_surf *src_surf,
unsigned src_level, unsigned src_layer,
enum isl_format src_format, struct isl_swizzle src_swizzle,
const struct blorp_surf *dst_surf,
unsigned dst_level, unsigned dst_layer,
enum isl_format dst_format, struct isl_swizzle dst_swizzle,
float src_x0, float src_y0,
float src_x1, float src_y1,
float dst_x0, float dst_y0,
float dst_x1, float dst_y1,
uint32_t filter, bool mirror_x, bool mirror_y);
void
blorp_copy(struct blorp_batch *batch,
const struct blorp_surf *src_surf,
unsigned src_level, unsigned src_layer,
const struct blorp_surf *dst_surf,
unsigned dst_level, unsigned dst_layer,
uint32_t src_x, uint32_t src_y,
uint32_t dst_x, uint32_t dst_y,
uint32_t src_width, uint32_t src_height);
void
blorp_fast_clear(struct blorp_batch *batch,
const struct blorp_surf *surf, enum isl_format format,
uint32_t level, uint32_t start_layer, uint32_t num_layers,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1);
void
blorp_clear(struct blorp_batch *batch,
const struct blorp_surf *surf,
enum isl_format format, struct isl_swizzle swizzle,
uint32_t level, uint32_t start_layer, uint32_t num_layers,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
union isl_color_value clear_color,
const bool color_write_disable[4]);
void
blorp_clear_depth_stencil(struct blorp_batch *batch,
const struct blorp_surf *depth,
const struct blorp_surf *stencil,
uint32_t level, uint32_t start_layer,
uint32_t num_layers,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
bool clear_depth, float depth_value,
uint8_t stencil_mask, uint8_t stencil_value);
bool
blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
uint32_t num_samples,
uint32_t x0, uint32_t y0,
uint32_t x1, uint32_t y1);
void
blorp_gen8_hiz_clear_attachments(struct blorp_batch *batch,
uint32_t num_samples,
uint32_t x0, uint32_t y0,
uint32_t x1, uint32_t y1,
bool clear_depth, bool clear_stencil,
uint8_t stencil_value);
void
blorp_clear_attachments(struct blorp_batch *batch,
uint32_t binding_table_offset,
enum isl_format depth_format,
uint32_t num_samples,
uint32_t start_layer, uint32_t num_layers,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
bool clear_color, union isl_color_value color_value,
bool clear_depth, float depth_value,
uint8_t stencil_mask, uint8_t stencil_value);
enum blorp_fast_clear_op {
BLORP_FAST_CLEAR_OP_NONE = 0,
BLORP_FAST_CLEAR_OP_CLEAR,
BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL,
BLORP_FAST_CLEAR_OP_RESOLVE_FULL,
};
void
blorp_ccs_resolve(struct blorp_batch *batch,
struct blorp_surf *surf, uint32_t level, uint32_t layer,
enum isl_format format,
enum blorp_fast_clear_op resolve_op);
/**
* For an overview of the HiZ operations, see the following sections of the
* Sandy Bridge PRM, Volume 1, Part2:
* - 7.5.3.1 Depth Buffer Clear
* - 7.5.3.2 Depth Buffer Resolve
* - 7.5.3.3 Hierarchical Depth Buffer Resolve
*
* Of these, two get entered in the resolve map as needing to be done to the
* buffer: depth resolve and hiz resolve.
*/
enum blorp_hiz_op {
BLORP_HIZ_OP_NONE,
BLORP_HIZ_OP_DEPTH_CLEAR,
BLORP_HIZ_OP_DEPTH_RESOLVE,
BLORP_HIZ_OP_HIZ_RESOLVE,
};
void
blorp_hiz_op(struct blorp_batch *batch, struct blorp_surf *surf,
uint32_t level, uint32_t start_layer, uint32_t num_layers,
enum blorp_hiz_op op);
#ifdef __cplusplus
} /* end extern "C" */
#endif /* __cplusplus */
#endif /* BLORP_H */
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