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wined3d: Introduce a helper function to extract a packet from a command stream. 

Signed-off-by: Jan Sikorski <jsikorski@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jan Sikorski 2021-12-09 21:17:26 +01:00 committed by Alexandre Julliard
parent 0cd8c95e67
commit 6ebbc4a882
1 changed files with 11 additions and 3 deletions
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14
dlls/wined3d/cs.c
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@ -708,6 +708,15 @@ static const char *debug_cs_op(enum wined3d_cs_op op)
return wine_dbg_sprintf("UNKNOWN_OP(%#x)", op);
}
static struct wined3d_cs_packet *wined3d_next_cs_packet(const uint8_t *data, SIZE_T *offset)
{
struct wined3d_cs_packet *packet = (struct wined3d_cs_packet *)&data[*offset];
*offset += offsetof(struct wined3d_cs_packet, data[packet->size]);
return packet;
}
static void wined3d_cs_exec_nop(struct wined3d_cs *cs, const void *data)
{
}
@ -3478,7 +3487,7 @@ static DWORD WINAPI wined3d_cs_run(void *ctx)
enum wined3d_cs_op opcode;
HMODULE wined3d_module;
unsigned int poll = 0;
LONG tail;
SIZE_T tail;
TRACE("Started.\n");
@ -3512,7 +3521,7 @@ static DWORD WINAPI wined3d_cs_run(void *ctx)
spin_count = 0;
tail = queue->tail;
packet = (struct wined3d_cs_packet *)&queue->data[tail];
packet = wined3d_next_cs_packet(queue->data, &tail);
if (packet->size)
{
opcode = *(const enum wined3d_cs_op *)packet->data;
@ -3531,7 +3540,6 @@ static DWORD WINAPI wined3d_cs_run(void *ctx)
TRACE("%s executed.\n", debug_cs_op(opcode));
}
tail += FIELD_OFFSET(struct wined3d_cs_packet, data[packet->size]);
tail &= (WINED3D_CS_QUEUE_SIZE - 1);
InterlockedExchange(&queue->tail, tail);
}