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nv50: add nesting support for occlusion queries

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This is loosely based on nvc0.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Samuel Pitoiset 2015-07-13 12:51:21 +02:00
parent 8ba1982b1e
commit d246a96bbc
2 changed files with 20 additions and 11 deletions
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29
src/gallium/drivers/nouveau/nv50/nv50_query.c
View file

@ -49,6 +49,7 @@ struct nv50_query {
uint32_t offset; /* base + i * 32 */
uint8_t state;
boolean is64bit;
int nesting; /* only used for occlusion queries */
struct nouveau_mm_allocation *mm;
struct nouveau_fence *fence;
};
@ -175,11 +176,16 @@ nv50_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
PUSH_SPACE(push, 4);
BEGIN_NV04(push, NV50_3D(COUNTER_RESET), 1);
PUSH_DATA (push, NV50_3D_COUNTER_RESET_SAMPLECNT);
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 1);
q->nesting = nv50->screen->num_occlusion_queries_active++;
if (q->nesting) {
nv50_query_get(push, q, 0x10, 0x0100f002);
} else {
PUSH_SPACE(push, 4);
BEGIN_NV04(push, NV50_3D(COUNTER_RESET), 1);
PUSH_DATA (push, NV50_3D_COUNTER_RESET_SAMPLECNT);
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 1);
}
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
nv50_query_get(push, q, 0x10, 0x06805002);
@ -223,9 +229,11 @@ nv50_query_end(struct pipe_context *pipe, struct pipe_query *pq)
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
nv50_query_get(push, q, 0, 0x0100f002);
PUSH_SPACE(push, 2);
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 0);
if (--nv50->screen->num_occlusion_queries_active == 0) {
PUSH_SPACE(push, 2);
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 0);
}
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
nv50_query_get(push, q, 0, 0x06805002);
@ -319,7 +327,7 @@ nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq,
res8[0] = TRUE;
break;
case PIPE_QUERY_OCCLUSION_COUNTER: /* u32 sequence, u32 count, u64 time */
res64[0] = q->data[1];
res64[0] = q->data[1] - q->data[5];
break;
case PIPE_QUERY_PRIMITIVES_GENERATED: /* u64 count, u64 time */
case PIPE_QUERY_PRIMITIVES_EMITTED: /* u64 count, u64 time */
@ -396,8 +404,7 @@ nv50_render_condition(struct pipe_context *pipe,
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
if (likely(!condition)) {
/* XXX: Placeholder, handle nesting here if available */
if (unlikely(false))
if (unlikely(q->nesting))
cond = wait ? NV50_3D_COND_MODE_NOT_EQUAL :
NV50_3D_COND_MODE_ALWAYS;
else

2
src/gallium/drivers/nouveau/nv50/nv50_screen.h
View file

@ -54,6 +54,8 @@ struct nv50_screen {
struct nv50_context *cur_ctx;
struct nv50_graph_state save_state;
int num_occlusion_queries_active;
struct nouveau_bo *code;
struct nouveau_bo *uniforms;
struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */