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/*
* Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
* Copyright © 2018 Google, Inc.
*
* 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.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef FD6_CONTEXT_H_
#define FD6_CONTEXT_H_
#include "util/u_upload_mgr.h"
#include "freedreno_context.h"
#include "ir3/ir3_shader.h"
#include "a6xx.xml.h"
struct fd6_context {
struct fd_context base;
/* Two buffers related to hw binning / visibility stream (VSC).
* Compared to previous generations
* (1) we cannot specify individual buffers per VSC, instead
* just a pitch and base address
* (2) there is a second smaller buffer.. we also stash
* VSC_BIN_SIZE at end of 2nd buffer.
*/
struct fd_bo *vsc_draw_strm, *vsc_prim_strm;
unsigned vsc_draw_strm_pitch, vsc_prim_strm_pitch;
/* The 'control' mem BO is used for various housekeeping
* functions. See 'struct fd6_control'
*/
struct fd_bo *control_mem;
uint32_t seqno;
struct u_upload_mgr *border_color_uploader;
struct pipe_resource *border_color_buf;
/* if *any* of bits are set in {v,f}saturate_{s,t,r} */
bool vsaturate, fsaturate;
/* bitmask of sampler which needs coords clamped for vertex
* shader:
*/
uint16_t vsaturate_s, vsaturate_t, vsaturate_r;
/* bitmask of sampler which needs coords clamped for frag
* shader:
*/
uint16_t fsaturate_s, fsaturate_t, fsaturate_r;
/* some state changes require a different shader variant. Keep
* track of this so we know when we need to re-emit shader state
* due to variant change. See fixup_shader_state()
*/
struct ir3_shader_key last_key;
/* number of active samples-passed queries: */
int samples_passed_queries;
/* maps per-shader-stage state plus variant key to hw
* program stateobj:
*/
struct ir3_cache *shader_cache;
/* cached stateobjs to avoid hashtable lookup when not dirty: */
const struct fd6_program_state *prog;
uint16_t tex_seqno;
struct hash_table *tex_cache;
/* collection of magic register values which differ between
* various different a6xx
*/
struct {
uint32_t RB_UNKNOWN_8E04_blit; /* value for CP_BLIT's */
uint32_t RB_CCU_CNTL_bypass; /* for sysmem rendering */
uint32_t RB_CCU_CNTL_gmem; /* for GMEM rendering */
uint32_t PC_UNKNOWN_9805;
uint32_t SP_UNKNOWN_A0F8;
} magic;
};
static inline struct fd6_context *
fd6_context(struct fd_context *ctx)
{
return (struct fd6_context *)ctx;
}
struct pipe_context *
fd6_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
/* This struct defines the layout of the fd6_context::control buffer: */
struct fd6_control {
uint32_t seqno; /* seqno for async CP_EVENT_WRITE, etc */
uint32_t _pad0;
volatile uint32_t vsc_overflow;
uint32_t _pad1;
/* flag set from cmdstream when VSC overflow detected: */
uint32_t vsc_scratch;
uint32_t _pad2;
uint32_t _pad3;
uint32_t _pad4;
/* scratch space for VPC_SO[i].FLUSH_BASE_LO/HI, start on 32 byte boundary. */
struct {
uint32_t offset;
uint32_t pad[7];
} flush_base[4];
};
#define control_ptr(fd6_ctx, member) \
(fd6_ctx)->control_mem, offsetof(struct fd6_control, member), 0, 0
static inline void
emit_marker6(struct fd_ringbuffer *ring, int scratch_idx)
{
extern unsigned marker_cnt;
unsigned reg = REG_A6XX_CP_SCRATCH_REG(scratch_idx);
#ifdef DEBUG
# define __EMIT_MARKER 1
#else
# define __EMIT_MARKER 0
#endif
if (__EMIT_MARKER) {
OUT_WFI5(ring);
OUT_PKT4(ring, reg, 1);
OUT_RING(ring, ++marker_cnt);
}
}
#endif /* FD6_CONTEXT_H_ */
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