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/*
* Copyright (C) 2014 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 FD4_DRAW_H_
#define FD4_DRAW_H_
#include "pipe/p_context.h"
#include "freedreno_draw.h"
void fd4_draw_init(struct pipe_context *pctx);
/* draw packet changed on a4xx, so cannot reuse one from a2xx/a3xx.. */
static inline uint32_t DRAW4(enum pc_di_primtype prim_type,
enum pc_di_src_sel source_select, enum a4xx_index_size index_size,
enum pc_di_vis_cull_mode vis_cull_mode)
{
return CP_DRAW_INDX_OFFSET_0_PRIM_TYPE(prim_type) |
CP_DRAW_INDX_OFFSET_0_SOURCE_SELECT(source_select) |
CP_DRAW_INDX_OFFSET_0_INDEX_SIZE(index_size) |
CP_DRAW_INDX_OFFSET_0_VIS_CULL(vis_cull_mode);
}
static inline void
fd4_draw(struct fd_batch *batch, 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,
uint32_t instances, enum a4xx_index_size idx_type,
uint32_t idx_size, uint32_t idx_offset,
struct pipe_resource *idx_buffer)
{
/* 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);
OUT_PKT3(ring, CP_DRAW_INDX_OFFSET, idx_buffer ? 6 : 3);
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, DRAW4(primtype, src_sel, idx_type, 0),
&batch->draw_patches);
} else {
OUT_RING(ring, DRAW4(primtype, src_sel, idx_type, vismode));
}
OUT_RING(ring, instances); /* NumInstances */
OUT_RING(ring, count); /* NumIndices */
if (idx_buffer) {
OUT_RING(ring, 0x0); /* XXX */
OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
OUT_RING (ring, idx_size);
}
emit_marker(ring, 7);
fd_reset_wfi(batch);
}
static inline void
fd4_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring,
enum pc_di_primtype primtype,
enum pc_di_vis_cull_mode vismode,
const struct pipe_draw_info *info,
unsigned index_offset)
{
struct pipe_resource *idx_buffer = NULL;
enum a4xx_index_size idx_type;
enum pc_di_src_sel src_sel;
uint32_t idx_size, idx_offset;
if (info->indirect) {
struct fd_resource *ind = fd_resource(info->indirect->buffer);
emit_marker(ring, 7);
if (info->index_size) {
struct pipe_resource *idx = info->index.resource;
OUT_PKT3(ring, CP_DRAW_INDX_INDIRECT, 4);
OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_DMA,
fd4_size2indextype(info->index_size), 0),
&batch->draw_patches);
OUT_RELOC(ring, fd_resource(idx)->bo, index_offset, 0, 0);
OUT_RING(ring, A4XX_CP_DRAW_INDX_INDIRECT_2_INDX_SIZE(
idx->width0 - index_offset));
OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
} else {
OUT_PKT3(ring, CP_DRAW_INDIRECT, 2);
OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_AUTO_INDEX, 0, 0),
&batch->draw_patches);
OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
}
emit_marker(ring, 7);
fd_reset_wfi(batch);
return;
}
if (info->index_size) {
assert(!info->has_user_indices);
idx_buffer = info->index.resource;
idx_type = fd4_size2indextype(info->index_size);
idx_size = info->index_size * info->count;
idx_offset = index_offset + info->start * info->index_size;
src_sel = DI_SRC_SEL_DMA;
} else {
idx_buffer = NULL;
idx_type = INDEX4_SIZE_32_BIT;
idx_size = 0;
idx_offset = 0;
src_sel = DI_SRC_SEL_AUTO_INDEX;
}
fd4_draw(batch, ring, primtype, vismode, src_sel,
info->count, info->instance_count,
idx_type, idx_size, idx_offset, idx_buffer);
}
#endif /* FD4_DRAW_H_ */
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