/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
* 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 FREEDRENO_UTIL_H_
#define FREEDRENO_UTIL_H_
#include <freedreno_drmif.h>
#include <freedreno_ringbuffer.h>
#include "pipe/p_format.h"
#include "pipe/p_state.h"
#include "util/u_debug.h"
#include "util/u_math.h"
#include "util/u_half.h"
#include "util/u_dynarray.h"
#include "util/u_pack_color.h"
#include "adreno_common.xml.h"
#include "adreno_pm4.xml.h"
enum adreno_rb_depth_format fd_pipe2depth(enum pipe_format format);
enum pc_di_index_size fd_pipe2index(enum pipe_format format);
enum adreno_rb_blend_factor fd_blend_factor(unsigned factor);
enum adreno_pa_su_sc_draw fd_polygon_mode(unsigned mode);
enum adreno_stencil_op fd_stencil_op(unsigned op);
#define A3XX_MAX_MIP_LEVELS 14
/* TBD if it is same on a2xx, but for now: */
#define MAX_MIP_LEVELS A3XX_MAX_MIP_LEVELS
#define FD_DBG_MSGS 0x0001
#define FD_DBG_DISASM 0x0002
#define FD_DBG_DCLEAR 0x0004
#define FD_DBG_FLUSH 0x0008
#define FD_DBG_NOSCIS 0x0010
#define FD_DBG_DIRECT 0x0020
#define FD_DBG_NOBYPASS 0x0040
#define FD_DBG_FRAGHALF 0x0080
#define FD_DBG_NOBIN 0x0100
#define FD_DBG_OPTMSGS 0x0400
#define FD_DBG_OPTDUMP 0x0800
#define FD_DBG_GLSL120 0x1000
#define FD_DBG_NOCP 0x2000
#define FD_DBG_NIR 0x4000
extern int fd_mesa_debug;
extern bool fd_binning_enabled;
#define DBG(fmt, ...) \
do { if (fd_mesa_debug & FD_DBG_MSGS) \
debug_printf("%s:%d: "fmt "\n", \
__FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)
/* for conditionally setting boolean flag(s): */
#define COND(bool, val) ((bool) ? (val) : 0)
#define CP_REG(reg) ((0x4 << 16) | ((unsigned int)((reg) - (0x2000))))
static inline uint32_t DRAW(enum pc_di_primtype prim_type,
enum pc_di_src_sel source_select, enum pc_di_index_size index_size,
enum pc_di_vis_cull_mode vis_cull_mode,
uint8_t instances)
{
return (prim_type << 0) |
(source_select << 6) |
((index_size & 1) << 11) |
((index_size >> 1) << 13) |
(vis_cull_mode << 9) |
(1 << 14) |
(instances << 24);
}
/* for tracking cmdstream positions that need to be patched: */
struct fd_cs_patch {
uint32_t *cs;
uint32_t val;
};
#define fd_patch_num_elements(buf) ((buf)->size / sizeof(struct fd_cs_patch))
#define fd_patch_element(buf, i) util_dynarray_element(buf, struct fd_cs_patch, i)
static inline enum pipe_format
pipe_surface_format(struct pipe_surface *psurf)
{
if (!psurf)
return PIPE_FORMAT_NONE;
return psurf->format;
}
#define LOG_DWORDS 0
static inline void emit_marker(struct fd_ringbuffer *ring, int scratch_idx);
static inline void
OUT_RING(struct fd_ringbuffer *ring, uint32_t data)
{
if (LOG_DWORDS) {
DBG("ring[%p]: OUT_RING %04x: %08x", ring,
(uint32_t)(ring->cur - ring->last_start), data);
}
*(ring->cur++) = data;
}
/* like OUT_RING() but appends a cmdstream patch point to 'buf' */
static inline void
OUT_RINGP(struct fd_ringbuffer *ring, uint32_t data,
struct util_dynarray *buf)
{
if (LOG_DWORDS) {
DBG("ring[%p]: OUT_RINGP %04x: %08x", ring,
(uint32_t)(ring->cur - ring->last_start), data);
}
util_dynarray_append(buf, struct fd_cs_patch, ((struct fd_cs_patch){
.cs = ring->cur++,
.val = data,
}));
}
static inline void
OUT_RELOC(struct fd_ringbuffer *ring, struct fd_bo *bo,
uint32_t offset, uint32_t or, int32_t shift)
{
if (LOG_DWORDS) {
DBG("ring[%p]: OUT_RELOC %04x: %p+%u << %d", ring,
(uint32_t)(ring->cur - ring->last_start), bo, offset, shift);
}
fd_ringbuffer_reloc(ring, &(struct fd_reloc){
.bo = bo,
.flags = FD_RELOC_READ,
.offset = offset,
.or = or,
.shift = shift,
});
}
static inline void
OUT_RELOCW(struct fd_ringbuffer *ring, struct fd_bo *bo,
uint32_t offset, uint32_t or, int32_t shift)
{
if (LOG_DWORDS) {
DBG("ring[%p]: OUT_RELOCW %04x: %p+%u << %d", ring,
(uint32_t)(ring->cur - ring->last_start), bo, offset, shift);
}
fd_ringbuffer_reloc(ring, &(struct fd_reloc){
.bo = bo,
.flags = FD_RELOC_READ | FD_RELOC_WRITE,
.offset = offset,
.or = or,
.shift = shift,
});
}
static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)
{
if ((ring->cur + ndwords) >= ring->end) {
/* this probably won't really work if we have multiple tiles..
* but it is ok for 2d.. we might need different behavior
* depending on 2d or 3d pipe.
*/
DBG("uh oh..");
}
}
static inline void
OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
{
BEGIN_RING(ring, cnt+1);
OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
}
static inline void
OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
{
BEGIN_RING(ring, cnt+1);
OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
}
static inline void
OUT_WFI(struct fd_ringbuffer *ring)
{
OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
OUT_RING(ring, 0x00000000);
}
static inline void
OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start,
struct fd_ringmarker *end)
{
uint32_t dwords = fd_ringmarker_dwords(start, end);
assert(dwords > 0);
/* for debug after a lock up, write a unique counter value
* to scratch6 for each IB, to make it easier to match up
* register dumps to cmdstream. The combination of IB and
* DRAW (scratch7) is enough to "triangulate" the particular
* draw that caused lockup.
*/
emit_marker(ring, 6);
OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);
fd_ringbuffer_emit_reloc_ring(ring, start, end);
OUT_RING(ring, dwords);
emit_marker(ring, 6);
}
/* CP_SCRATCH_REG4 is used to hold base address for query results: */
#define HW_QUERY_BASE_REG REG_AXXX_CP_SCRATCH_REG4
static inline void
emit_marker(struct fd_ringbuffer *ring, int scratch_idx)
{
extern unsigned marker_cnt;
unsigned reg = REG_AXXX_CP_SCRATCH_REG0 + scratch_idx;
assert(reg != HW_QUERY_BASE_REG);
if (reg == HW_QUERY_BASE_REG)
return;
OUT_PKT0(ring, reg, 1);
OUT_RING(ring, ++marker_cnt);
}
/* helper to get numeric value from environment variable.. mostly
* just leaving this here because it is helpful to brute-force figure
* out unknown formats, etc, which blob driver does not support:
*/
static inline uint32_t env2u(const char *envvar)
{
char *str = getenv(envvar);
if (str)
return strtoul(str, NULL, 0);
return 0;
}
static inline uint32_t
pack_rgba(enum pipe_format format, const float *rgba)
{
union util_color uc;
util_pack_color(rgba, format, &uc);
return uc.ui[0];
}
#endif /* FREEDRENO_UTIL_H_ */