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turnip: Fill command buffer

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This commit is contained in:
Bas Nieuwenhuizen 2019-01-10 21:39:14 +01:00 • committed by Chia-I Wu
parent abe352525d
commit 26261847cf
1 changed files with 35 additions and 1 deletions
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36
src/freedreno/vulkan/tu_cmd_buffer.c
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@ -28,7 +28,7 @@
#include "tu_private.h"
#include "vk_format.h"
#include "adreno_pm4.xml.h"
void
tu_bo_list_init(struct tu_bo_list *list)
{
@ -200,6 +200,30 @@ tu_cmd_stream_reset(struct tu_device *dev,
stream->entry_count = 0;
}
static unsigned
_odd_parity_bit(unsigned val)
{
/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
* note that we want odd parity so 0x6996 is inverted.
*/
val ^= val >> 16;
val ^= val >> 8;
val ^= val >> 4;
val &= 0xf;
return (~0x6996 >> val) & 1;
}
static void
OUT_PKT7(struct tu_cmd_stream *stream, uint8_t opcode, uint16_t cnt)
{
*stream->cur++ = CP_TYPE7_PKT | cnt |
(_odd_parity_bit(cnt) << 15) |
((opcode & 0x7f) << 16) |
((_odd_parity_bit(opcode) << 23));
}
const struct tu_dynamic_state default_dynamic_state = {
.viewport =
{
@ -525,6 +549,15 @@ tu_BeginCommandBuffer(VkCommandBuffer commandBuffer,
cmd_buffer->status = TU_CMD_BUFFER_STATUS_RECORDING;
result = tu_cmd_stream_begin(cmd_buffer->device,
&cmd_buffer->primary_cmd_stream, 4096);
/* Put some stuff in so we do not have empty command buffers. */
OUT_PKT7(&cmd_buffer->primary_cmd_stream, CP_NOP, 4);
*cmd_buffer->primary_cmd_stream.cur++ = 0;
*cmd_buffer->primary_cmd_stream.cur++ = 0;
*cmd_buffer->primary_cmd_stream.cur++ = 0;
*cmd_buffer->primary_cmd_stream.cur++ = 0;
return result;
}
@ -572,6 +605,7 @@ tu_EndCommandBuffer(VkCommandBuffer commandBuffer)
{
TU_FROM_HANDLE(tu_cmd_buffer, cmd_buffer, commandBuffer);
tu_cmd_stream_end(&cmd_buffer->primary_cmd_stream);
cmd_buffer->status = TU_CMD_BUFFER_STATUS_EXECUTABLE;
return cmd_buffer->record_result;