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/* -*- 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_DRAW_H_
#define FREEDRENO_DRAW_H_
#include "pipe/p_state.h"
#include "pipe/p_context.h"
#include "freedreno_context.h"
#include "freedreno_resource.h"
#include "freedreno_screen.h"
#include "freedreno_util.h"
struct fd_ringbuffer;
void fd_draw_init(struct pipe_context *pctx);
static inline void
fd_draw(struct fd_context *ctx, struct fd_ringbuffer *ring,
enum pc_di_primtype primtype,
enum pc_di_vis_cull_mode vismode,
enum pc_di_src_sel src_sel, uint32_t count,
uint8_t instances,
enum pc_di_index_size idx_type,
uint32_t idx_size, uint32_t idx_offset,
struct fd_bo *idx_bo)
{
/* for debug after a lock up, write a unique counter value
* to scratch7 for each draw, to make it easier to match up
* register dumps to cmdstream. The combination of IB
* (scratch6) and DRAW is enough to "triangulate" the
* particular draw that caused lockup.
*/
emit_marker(ring, 7);
if (is_a3xx_p0(ctx->screen)) {
/* dummy-draw workaround: */
OUT_PKT3(ring, CP_DRAW_INDX, 3);
OUT_RING(ring, 0x00000000);
OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
INDEX_SIZE_IGN, USE_VISIBILITY, 0));
OUT_RING(ring, 0); /* NumIndices */
/* ugg, hard-code register offset to avoid pulling in the
* a3xx register headers into something #included from a2xx
*/
OUT_PKT0(ring, 0x2206, 1); /* A3XX_HLSQ_CONST_VSPRESV_RANGE_REG */
OUT_RING(ring, 0);
}
OUT_PKT3(ring, CP_DRAW_INDX, idx_bo ? 5 : 3);
OUT_RING(ring, 0x00000000); /* viz query info. */
if (vismode == USE_VISIBILITY) {
/* leave vis mode blank for now, it will be patched up when
* we know if we are binning or not
*/
OUT_RINGP(ring, DRAW(primtype, src_sel, idx_type, 0, instances),
&ctx->draw_patches);
} else {
OUT_RING(ring, DRAW(primtype, src_sel, idx_type, vismode, instances));
}
OUT_RING(ring, count); /* NumIndices */
if (idx_bo) {
OUT_RELOC(ring, idx_bo, idx_offset, 0, 0);
OUT_RING (ring, idx_size);
}
emit_marker(ring, 7);
fd_reset_wfi(ctx);
}
static inline enum pc_di_index_size
size2indextype(unsigned index_size)
{
switch (index_size) {
case 1: return INDEX_SIZE_8_BIT;
case 2: return INDEX_SIZE_16_BIT;
case 4: return INDEX_SIZE_32_BIT;
}
DBG("unsupported index size: %d", index_size);
assert(0);
return INDEX_SIZE_IGN;
}
/* this is same for a2xx/a3xx, so split into helper: */
static inline void
fd_draw_emit(struct fd_context *ctx, struct fd_ringbuffer *ring,
enum pc_di_primtype primtype,
enum pc_di_vis_cull_mode vismode,
const struct pipe_draw_info *info)
{
struct pipe_index_buffer *idx = &ctx->indexbuf;
struct fd_bo *idx_bo = NULL;
enum pc_di_index_size idx_type = INDEX_SIZE_IGN;
enum pc_di_src_sel src_sel;
uint32_t idx_size, idx_offset;
if (info->indexed) {
assert(!idx->user_buffer);
idx_bo = fd_resource(idx->buffer)->bo;
idx_type = size2indextype(idx->index_size);
idx_size = idx->index_size * info->count;
idx_offset = idx->offset + (info->start * idx->index_size);
src_sel = DI_SRC_SEL_DMA;
} else {
idx_bo = NULL;
idx_type = INDEX_SIZE_IGN;
idx_size = 0;
idx_offset = 0;
src_sel = DI_SRC_SEL_AUTO_INDEX;
}
fd_draw(ctx, ring, primtype, vismode, src_sel,
info->count, info->instance_count - 1,
idx_type, idx_size, idx_offset, idx_bo);
}
#endif /* FREEDRENO_DRAW_H_ */
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