1/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3/* 4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark@freedesktop.org> 27 */ 28 29#ifndef FREEDRENO_DRAW_H_ 30#define FREEDRENO_DRAW_H_ 31 32#include "pipe/p_state.h" 33#include "pipe/p_context.h" 34 35#include "freedreno_context.h" 36#include "freedreno_resource.h" 37#include "freedreno_screen.h" 38#include "freedreno_util.h" 39 40struct fd_ringbuffer; 41 42void fd_draw_init(struct pipe_context *pctx); 43 44static inline void 45fd_draw(struct fd_batch *batch, struct fd_ringbuffer *ring, 46 enum pc_di_primtype primtype, 47 enum pc_di_vis_cull_mode vismode, 48 enum pc_di_src_sel src_sel, uint32_t count, 49 uint8_t instances, 50 enum pc_di_index_size idx_type, 51 uint32_t idx_size, uint32_t idx_offset, 52 struct pipe_resource *idx_buffer) 53{ 54 /* for debug after a lock up, write a unique counter value 55 * to scratch7 for each draw, to make it easier to match up 56 * register dumps to cmdstream. The combination of IB 57 * (scratch6) and DRAW is enough to "triangulate" the 58 * particular draw that caused lockup. 59 */ 60 emit_marker(ring, 7); 61 62 if (is_a3xx_p0(batch->ctx->screen)) { 63 /* dummy-draw workaround: */ 64 OUT_PKT3(ring, CP_DRAW_INDX, 3); 65 OUT_RING(ring, 0x00000000); 66 OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX, 67 INDEX_SIZE_IGN, USE_VISIBILITY, 0)); 68 OUT_RING(ring, 0); /* NumIndices */ 69 70 /* ugg, hard-code register offset to avoid pulling in the 71 * a3xx register headers into something #included from a2xx 72 */ 73 OUT_PKT0(ring, 0x2206, 1); /* A3XX_HLSQ_CONST_VSPRESV_RANGE_REG */ 74 OUT_RING(ring, 0); 75 } 76 77 OUT_PKT3(ring, CP_DRAW_INDX, idx_buffer ? 5 : 3); 78 OUT_RING(ring, 0x00000000); /* viz query info. */ 79 if (vismode == USE_VISIBILITY) { 80 /* leave vis mode blank for now, it will be patched up when 81 * we know if we are binning or not 82 */ 83 OUT_RINGP(ring, DRAW(primtype, src_sel, idx_type, 0, instances), 84 &batch->draw_patches); 85 } else { 86 OUT_RING(ring, DRAW(primtype, src_sel, idx_type, vismode, instances)); 87 } 88 OUT_RING(ring, count); /* NumIndices */ 89 if (idx_buffer) { 90 OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0); 91 OUT_RING (ring, idx_size); 92 } 93 94 emit_marker(ring, 7); 95 96 fd_reset_wfi(batch); 97} 98 99 100static inline enum pc_di_index_size 101size2indextype(unsigned index_size) 102{ 103 switch (index_size) { 104 case 1: return INDEX_SIZE_8_BIT; 105 case 2: return INDEX_SIZE_16_BIT; 106 case 4: return INDEX_SIZE_32_BIT; 107 } 108 DBG("unsupported index size: %d", index_size); 109 assert(0); 110 return INDEX_SIZE_IGN; 111} 112 113/* this is same for a2xx/a3xx, so split into helper: */ 114static inline void 115fd_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring, 116 enum pc_di_primtype primtype, 117 enum pc_di_vis_cull_mode vismode, 118 const struct pipe_draw_info *info) 119{ 120 struct pipe_resource *idx_buffer = NULL; 121 enum pc_di_index_size idx_type = INDEX_SIZE_IGN; 122 enum pc_di_src_sel src_sel; 123 uint32_t idx_size, idx_offset; 124 125 if (info->indexed) { 126 struct pipe_index_buffer *idx = &batch->ctx->indexbuf; 127 128 assert(!idx->user_buffer); 129 130 idx_buffer = idx->buffer; 131 idx_type = size2indextype(idx->index_size); 132 idx_size = idx->index_size * info->count; 133 idx_offset = idx->offset + (info->start * idx->index_size); 134 src_sel = DI_SRC_SEL_DMA; 135 } else { 136 idx_buffer = NULL; 137 idx_type = INDEX_SIZE_IGN; 138 idx_size = 0; 139 idx_offset = 0; 140 src_sel = DI_SRC_SEL_AUTO_INDEX; 141 } 142 143 fd_draw(batch, ring, primtype, vismode, src_sel, 144 info->count, info->instance_count - 1, 145 idx_type, idx_size, idx_offset, idx_buffer); 146} 147 148#endif /* FREEDRENO_DRAW_H_ */ 149