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r600g: use modulo for computing index into query (ring) buffers

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This commit is contained in:
Marek Olšák 2011-11-08 23:05:36 +01:00
parent 552e90bd6a
commit 8187ad0754
1 changed files with 5 additions and 14 deletions
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19
src/gallium/drivers/r600/r600_hw_context.c
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@ -1640,9 +1640,7 @@ void r600_query_begin(struct r600_context *ctx, struct r600_query *query)
r600_context_flush(ctx, RADEON_FLUSH_ASYNC);
}
new_results_end = query->results_end + query->result_size;
if (new_results_end >= query->buffer->b.b.b.width0)
new_results_end = 0;
new_results_end = (query->results_end + query->result_size) % query->buffer->b.b.b.width0;
/* collect current results if query buffer is full */
if (new_results_end == query->results_start) {
@ -1718,10 +1716,7 @@ void r600_query_end(struct r600_context *ctx, struct r600_query *query)
ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, query->buffer, RADEON_USAGE_WRITE);
query->results_end += query->result_size;
if (query->results_end >= query->buffer->b.b.b.width0)
query->results_end = 0;
query->results_end = (query->results_end + query->result_size) % query->buffer->b.b.b.width0;
ctx->num_query_running--;
}
@ -1741,10 +1736,7 @@ void r600_query_predication(struct r600_context *ctx, struct r600_query *query,
u32 op;
/* find count of the query data blocks */
count = query->buffer->b.b.b.width0 + query->results_end - query->results_start;
if (count >= query->buffer->b.b.b.width0) {
count -= query->buffer->b.b.b.width0;
}
count = (query->buffer->b.b.b.width0 + query->results_end - query->results_start) % query->buffer->b.b.b.width0;
count /= query->result_size;
if (ctx->pm4_cdwords + 5 * count > ctx->pm4_ndwords)
@ -1761,9 +1753,8 @@ void r600_query_predication(struct r600_context *ctx, struct r600_query *query,
ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, query->buffer,
RADEON_USAGE_READ);
results_base += query->result_size;
if (results_base >= query->buffer->b.b.b.width0)
results_base = 0;
results_base = (results_base + query->result_size) % query->buffer->b.b.b.width0;
/* set CONTINUE bit for all packets except the first */
op |= PREDICATION_CONTINUE;
}