| /* |
| * Copyright (c) 2012-2015 Etnaviv Project |
| * |
| * 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, sub license, |
| * 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 NON-INFRINGEMENT. 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: |
| * Wladimir J. van der Laan <laanwj@gmail.com> |
| */ |
| |
| #ifndef H_ETNA_EMIT |
| #define H_ETNA_EMIT |
| |
| #include "etnaviv_screen.h" |
| #include "etnaviv_util.h" |
| #include "hw/cmdstream.xml.h" |
| |
| struct etna_context; |
| |
| struct etna_coalesce { |
| uint32_t start; |
| uint32_t last_reg; |
| uint32_t last_fixp; |
| }; |
| |
| static inline void |
| etna_emit_load_state(struct etna_cmd_stream *stream, const uint16_t offset, |
| const uint16_t count, const int fixp) |
| { |
| uint32_t v; |
| |
| v = VIV_FE_LOAD_STATE_HEADER_OP_LOAD_STATE | |
| COND(fixp, VIV_FE_LOAD_STATE_HEADER_FIXP) | |
| VIV_FE_LOAD_STATE_HEADER_OFFSET(offset) | |
| (VIV_FE_LOAD_STATE_HEADER_COUNT(count) & |
| VIV_FE_LOAD_STATE_HEADER_COUNT__MASK); |
| |
| etna_cmd_stream_emit(stream, v); |
| } |
| |
| static inline void |
| etna_set_state(struct etna_cmd_stream *stream, uint32_t address, uint32_t value) |
| { |
| etna_cmd_stream_reserve(stream, 2); |
| etna_emit_load_state(stream, address >> 2, 1, 0); |
| etna_cmd_stream_emit(stream, value); |
| } |
| |
| static inline void |
| etna_set_state_reloc(struct etna_cmd_stream *stream, uint32_t address, |
| const struct etna_reloc *reloc) |
| { |
| etna_cmd_stream_reserve(stream, 2); |
| etna_emit_load_state(stream, address >> 2, 1, 0); |
| etna_cmd_stream_reloc(stream, reloc); |
| } |
| |
| static inline void |
| etna_set_state_multi(struct etna_cmd_stream *stream, uint32_t base, |
| uint32_t num, const uint32_t *values) |
| { |
| if (num == 0) |
| return; |
| |
| etna_cmd_stream_reserve(stream, 1 + num + 1); /* 1 extra for potential alignment */ |
| etna_emit_load_state(stream, base >> 2, num, 0); |
| |
| for (uint32_t i = 0; i < num; i++) |
| etna_cmd_stream_emit(stream, values[i]); |
| |
| /* add potential padding */ |
| if ((num % 2) == 0) |
| etna_cmd_stream_emit(stream, 0); |
| } |
| |
| void |
| etna_stall(struct etna_cmd_stream *stream, uint32_t from, uint32_t to); |
| |
| static inline void |
| etna_draw_primitives(struct etna_cmd_stream *stream, uint32_t primitive_type, |
| uint32_t start, uint32_t count) |
| { |
| etna_cmd_stream_reserve(stream, 4); |
| |
| etna_cmd_stream_emit(stream, VIV_FE_DRAW_PRIMITIVES_HEADER_OP_DRAW_PRIMITIVES); |
| etna_cmd_stream_emit(stream, primitive_type); |
| etna_cmd_stream_emit(stream, start); |
| etna_cmd_stream_emit(stream, count); |
| } |
| |
| static inline void |
| etna_draw_indexed_primitives(struct etna_cmd_stream *stream, |
| uint32_t primitive_type, uint32_t start, |
| uint32_t count, uint32_t offset) |
| { |
| etna_cmd_stream_reserve(stream, 5 + 1); |
| |
| etna_cmd_stream_emit(stream, VIV_FE_DRAW_INDEXED_PRIMITIVES_HEADER_OP_DRAW_INDEXED_PRIMITIVES); |
| etna_cmd_stream_emit(stream, primitive_type); |
| etna_cmd_stream_emit(stream, start); |
| etna_cmd_stream_emit(stream, count); |
| etna_cmd_stream_emit(stream, offset); |
| etna_cmd_stream_emit(stream, 0); |
| } |
| |
| /* important: this takes a vertex count, not a primitive count */ |
| static inline void |
| etna_draw_instanced(struct etna_cmd_stream *stream, |
| uint32_t indexed, uint32_t primitive_type, |
| uint32_t instance_count, |
| uint32_t vertex_count, uint32_t offset) |
| { |
| etna_cmd_stream_reserve(stream, 3 + 1); |
| etna_cmd_stream_emit(stream, |
| VIV_FE_DRAW_INSTANCED_HEADER_OP_DRAW_INSTANCED | |
| COND(indexed, VIV_FE_DRAW_INSTANCED_HEADER_INDEXED) | |
| VIV_FE_DRAW_INSTANCED_HEADER_TYPE(primitive_type) | |
| VIV_FE_DRAW_INSTANCED_HEADER_INSTANCE_COUNT_LO(instance_count & 0xffff)); |
| etna_cmd_stream_emit(stream, |
| VIV_FE_DRAW_INSTANCED_COUNT_INSTANCE_COUNT_HI(instance_count >> 16) | |
| VIV_FE_DRAW_INSTANCED_COUNT_VERTEX_COUNT(vertex_count)); |
| etna_cmd_stream_emit(stream, |
| VIV_FE_DRAW_INSTANCED_START_INDEX(offset)); |
| etna_cmd_stream_emit(stream, 0); |
| } |
| |
| static inline void |
| etna_coalesce_start(struct etna_cmd_stream *stream, |
| struct etna_coalesce *coalesce) |
| { |
| coalesce->start = etna_cmd_stream_offset(stream); |
| coalesce->last_reg = 0; |
| coalesce->last_fixp = 0; |
| } |
| |
| static inline void |
| etna_coalesce_end(struct etna_cmd_stream *stream, |
| struct etna_coalesce *coalesce) |
| { |
| uint32_t end = etna_cmd_stream_offset(stream); |
| uint32_t size = end - coalesce->start; |
| |
| if (size) { |
| uint32_t offset = coalesce->start - 1; |
| uint32_t value = etna_cmd_stream_get(stream, offset); |
| |
| value |= VIV_FE_LOAD_STATE_HEADER_COUNT(size); |
| etna_cmd_stream_set(stream, offset, value); |
| } |
| |
| /* append needed padding */ |
| if (end % 2 == 1) |
| etna_cmd_stream_emit(stream, 0xdeadbeef); |
| } |
| |
| static inline void |
| check_coalsence(struct etna_cmd_stream *stream, struct etna_coalesce *coalesce, |
| uint32_t reg, uint32_t fixp) |
| { |
| if (coalesce->last_reg != 0) { |
| if (((coalesce->last_reg + 4) != reg) || (coalesce->last_fixp != fixp)) { |
| etna_coalesce_end(stream, coalesce); |
| etna_emit_load_state(stream, reg >> 2, 0, fixp); |
| coalesce->start = etna_cmd_stream_offset(stream); |
| } |
| } else { |
| etna_emit_load_state(stream, reg >> 2, 0, fixp); |
| coalesce->start = etna_cmd_stream_offset(stream); |
| } |
| |
| coalesce->last_reg = reg; |
| coalesce->last_fixp = fixp; |
| } |
| |
| static inline void |
| etna_coalsence_emit(struct etna_cmd_stream *stream, |
| struct etna_coalesce *coalesce, uint32_t reg, |
| uint32_t value) |
| { |
| check_coalsence(stream, coalesce, reg, 0); |
| etna_cmd_stream_emit(stream, value); |
| } |
| |
| static inline void |
| etna_coalsence_emit_fixp(struct etna_cmd_stream *stream, |
| struct etna_coalesce *coalesce, uint32_t reg, |
| uint32_t value) |
| { |
| check_coalsence(stream, coalesce, reg, 1); |
| etna_cmd_stream_emit(stream, value); |
| } |
| |
| static inline void |
| etna_coalsence_emit_reloc(struct etna_cmd_stream *stream, |
| struct etna_coalesce *coalesce, uint32_t reg, |
| const struct etna_reloc *r) |
| { |
| if (r->bo) { |
| check_coalsence(stream, coalesce, reg, 0); |
| etna_cmd_stream_reloc(stream, r); |
| } |
| } |
| |
| void |
| etna_emit_state(struct etna_context *ctx); |
| |
| #endif |