turnip: Add emit functions in a header.
This adds a radv-style check_space functions + emit functions. Also puts them in a header as a bunch of inlines, so (1) we can use them from meta code. (2) they are inline for performance as these are common and small. Did not put them in tu_private.h as a bunch of inlines only clutters up that huge headerfile. Precise error propagation for memory allocation failures is still todo.
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@ -29,6 +29,8 @@
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#include "vk_format.h"
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#include "adreno_pm4.xml.h"
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#include "tu_cs.h"
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void
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tu_bo_list_init(struct tu_bo_list *list)
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{
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@ -200,30 +202,21 @@ tu_cmd_stream_reset(struct tu_device *dev,
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stream->entry_count = 0;
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}
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static unsigned
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_odd_parity_bit(unsigned val)
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VkResult
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tu_cs_check_space(struct tu_device *dev,
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struct tu_cmd_stream *stream,
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size_t size)
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{
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/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
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* note that we want odd parity so 0x6996 is inverted.
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*/
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val ^= val >> 16;
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val ^= val >> 8;
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val ^= val >> 4;
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val &= 0xf;
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return (~0x6996 >> val) & 1;
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if (stream->end - stream->cur >= size)
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return VK_SUCCESS;
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VkResult result = tu_cmd_stream_end(stream);
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if (result != VK_SUCCESS)
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return result;
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return tu_cmd_stream_begin(dev, stream, size);
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}
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static void
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OUT_PKT7(struct tu_cmd_stream *stream, uint8_t opcode, uint16_t cnt)
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{
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*stream->cur++ = CP_TYPE7_PKT | cnt |
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(_odd_parity_bit(cnt) << 15) |
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((opcode & 0x7f) << 16) |
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((_odd_parity_bit(opcode) << 23));
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}
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const struct tu_dynamic_state default_dynamic_state = {
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.viewport =
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{
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@ -553,11 +546,12 @@ tu_BeginCommandBuffer(VkCommandBuffer commandBuffer,
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&cmd_buffer->cs, 4096);
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/* Put some stuff in so we do not have empty command buffers. */
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OUT_PKT7(&cmd_buffer->cs, CP_NOP, 4);
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*cmd_buffer->cs.cur++ = 0;
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*cmd_buffer->cs.cur++ = 0;
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*cmd_buffer->cs.cur++ = 0;
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*cmd_buffer->cs.cur++ = 0;
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tu_cs_emit_pkt7(&cmd_buffer->cs, CP_NOP, 4);
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tu_cs_emit(&cmd_buffer->cs, 0);
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tu_cs_emit(&cmd_buffer->cs, 0);
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tu_cs_emit(&cmd_buffer->cs, 0);
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tu_cs_emit(&cmd_buffer->cs, 0);
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return result;
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}
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@ -0,0 +1,90 @@
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/*
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* Copyright © 2019 Google LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef TU_CS_H
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#define TU_CS_H
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#include "tu_private.h"
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#include "adreno_pm4.xml.h"
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void
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tu_cmd_stream_init(struct tu_cmd_stream *stream);
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void
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tu_cmd_stream_finish(struct tu_device *dev, struct tu_cmd_stream *stream);
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VkResult
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tu_cmd_stream_begin(struct tu_device *dev,
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struct tu_cmd_stream *stream,
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uint32_t reserve_size);
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VkResult
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tu_cmd_stream_end(struct tu_cmd_stream *stream);
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void
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tu_cmd_stream_reset(struct tu_device *dev, struct tu_cmd_stream *stream);
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VkResult
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tu_cs_check_space(struct tu_device *dev,
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struct tu_cmd_stream *stream,
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size_t size);
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static inline void
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tu_cs_emit(struct tu_cmd_stream *stream, uint32_t value)
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{
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assert(stream->cur < stream->end);
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*stream->cur = value;
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++stream->cur;
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}
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static inline unsigned
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tu_odd_parity_bit(unsigned val)
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{
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/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
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* note that we want odd parity so 0x6996 is inverted.
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*/
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val ^= val >> 16;
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val ^= val >> 8;
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val ^= val >> 4;
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val &= 0xf;
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return (~0x6996 >> val) & 1;
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}
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static inline void
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tu_cs_emit_pkt4(struct tu_cmd_stream *stream, uint16_t regindx, uint16_t cnt)
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{
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tu_cs_emit(stream, CP_TYPE4_PKT | cnt | (tu_odd_parity_bit(cnt) << 7) |
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((regindx & 0x3ffff) << 8) |
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((tu_odd_parity_bit(regindx) << 27)));
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}
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static inline void
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tu_cs_emit_pkt7(struct tu_cmd_stream *stream, uint8_t opcode, uint16_t cnt)
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{
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tu_cs_emit(stream, CP_TYPE7_PKT | cnt | (tu_odd_parity_bit(cnt) << 15) |
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((opcode & 0x7f) << 16) |
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((tu_odd_parity_bit(opcode) << 23)));
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}
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static inline void
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tu_cs_emit_wfi5(struct tu_cmd_stream *stream)
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{
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tu_cs_emit_pkt7(stream, CP_WAIT_FOR_IDLE, 0);
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}
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#endif /* TU_CS_H */
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