diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_query.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_query.c | 197 |
1 files changed, 121 insertions, 76 deletions
diff --git a/src/gallium/drivers/r300/r300_query.c b/src/gallium/drivers/r300/r300_query.c index 5c27796e894..5f34fcb2744 100644 --- a/src/gallium/drivers/r300/r300_query.c +++ b/src/gallium/drivers/r300/r300_query.c @@ -26,7 +26,7 @@ #include "r300_context.h" #include "r300_screen.h" #include "r300_emit.h" -#include "r300_query.h" +#include "r300_winsys.h" #include <stdio.h> @@ -35,31 +35,31 @@ static struct pipe_query *r300_create_query(struct pipe_context *pipe, { struct r300_context *r300 = r300_context(pipe); struct r300_screen *r300screen = r300->screen; - unsigned query_size; - struct r300_query *q, *qptr; + struct r300_query *q; + + if (query_type != PIPE_QUERY_OCCLUSION_COUNTER) { + return NULL; + } q = CALLOC_STRUCT(r300_query); + if (!q) + return NULL; q->type = query_type; - assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER); - - q->active = FALSE; + q->domain = R300_DOMAIN_GTT; + q->buffer_size = 4096; if (r300screen->caps.family == CHIP_FAMILY_RV530) - query_size = r300screen->caps.num_z_pipes * sizeof(uint32_t); + q->num_pipes = r300screen->caps.num_z_pipes; else - query_size = r300screen->caps.num_frag_pipes * sizeof(uint32_t); + q->num_pipes = r300screen->caps.num_frag_pipes; - if (!is_empty_list(&r300->query_list)) { - qptr = last_elem(&r300->query_list); - q->offset = qptr->offset + query_size; - } insert_at_tail(&r300->query_list, q); - /* XXX */ - if (q->offset >= 4096) { - q->offset = 0; - } + /* Open up the occlusion query buffer. */ + q->buffer = r300->rws->buffer_create(r300->rws, q->buffer_size, 4096, + PIPE_BIND_CUSTOM, PIPE_USAGE_STREAM, + q->domain); return (struct pipe_query*)q; } @@ -67,92 +67,87 @@ static struct pipe_query *r300_create_query(struct pipe_context *pipe, static void r300_destroy_query(struct pipe_context* pipe, struct pipe_query* query) { - struct r300_query* q = (struct r300_query*)query; + struct r300_context *r300 = r300_context(pipe); + struct r300_query* q = r300_query(query); + r300->rws->buffer_reference(r300->rws, &q->buffer, NULL); remove_from_list(q); FREE(query); } +void r300_resume_query(struct r300_context *r300, + struct r300_query *query) +{ + r300->query_current = query; + r300->query_start.dirty = TRUE; +} + static void r300_begin_query(struct pipe_context* pipe, struct pipe_query* query) { - uint32_t value = ~0U; struct r300_context* r300 = r300_context(pipe); - struct r300_query* q = (struct r300_query*)query; + struct r300_query* q = r300_query(query); - assert(r300->query_current == NULL); + if (r300->query_current != NULL) { + fprintf(stderr, "r300: begin_query: " + "Some other query has already been started.\n"); + assert(0); + return; + } - pipe_buffer_write(pipe, - r300->oqbo, - q->offset, - sizeof value, - &value); + q->num_results = 0; + r300_resume_query(r300, q); +} - q->flushed = FALSE; - r300->query_current = q; - r300->query_start.dirty = TRUE; +void r300_stop_query(struct r300_context *r300) +{ + r300_emit_query_end(r300); + r300->query_current = NULL; } static void r300_end_query(struct pipe_context* pipe, struct pipe_query* query) { struct r300_context* r300 = r300_context(pipe); - struct r300_query* q = (struct r300_query*)query; + struct r300_query *q = r300_query(query); - r300_emit_query_end(r300); - q->begin_emitted = false; - r300->query_current = NULL; + if (q != r300->query_current) { + fprintf(stderr, "r300: end_query: Got invalid query.\n"); + assert(0); + return; + } + + r300_stop_query(r300); } static boolean r300_get_query_result(struct pipe_context* pipe, struct pipe_query* query, boolean wait, - uint64_t* result) + void* vresult) { struct r300_context* r300 = r300_context(pipe); - struct r300_screen* r300screen = r300->screen; - struct r300_query *q = (struct r300_query*)query; - struct pipe_transfer *transfer; - unsigned flags = PIPE_TRANSFER_READ; - uint32_t* map; - uint32_t temp = 0; - unsigned i, num_results; - - if (q->flushed == FALSE) + struct r300_query *q = r300_query(query); + unsigned flags, i; + uint32_t temp, *map; + uint64_t *result = (uint64_t*)vresult; + + if (!q->flushed) pipe->flush(pipe, 0, NULL); - if (!wait) { - flags |= PIPE_TRANSFER_DONTBLOCK; - } - map = pipe_buffer_map(pipe, r300->oqbo, flags, &transfer); + flags = PIPE_TRANSFER_READ | (!wait ? PIPE_TRANSFER_DONTBLOCK : 0); + + map = r300->rws->buffer_map(r300->rws, q->buffer, r300->cs, flags); if (!map) return FALSE; - map += q->offset / 4; - if (r300screen->caps.family == CHIP_FAMILY_RV530) - num_results = r300screen->caps.num_z_pipes; - else - num_results = r300screen->caps.num_frag_pipes; - - for (i = 0; i < num_results; i++) { - if (*map == ~0U) { - /* Looks like our results aren't ready yet. */ - if (wait) { - fprintf(stderr, "r300: Despite waiting, OQ results haven't " - "come in yet.\n"); - } - temp = ~0U; - break; - } + /* Sum up the results. */ + temp = 0; + for (i = 0; i < q->num_results; i++) { temp += *map; map++; } - pipe_buffer_unmap(pipe, r300->oqbo, transfer); - if (temp == ~0U) { - /* Our results haven't been written yet... */ - return FALSE; - } + r300->rws->buffer_unmap(r300->rws, q->buffer); *result = temp; return TRUE; @@ -163,7 +158,7 @@ static void r300_render_condition(struct pipe_context *pipe, uint mode) { struct r300_context *r300 = r300_context(pipe); - uint64_t result; + uint64_t result = 0; boolean wait; if (query) { @@ -172,19 +167,69 @@ static void r300_render_condition(struct pipe_context *pipe, if (!r300_get_query_result(pipe, query, wait, &result)) { r300->skip_rendering = FALSE; + } else { + r300->skip_rendering = result == 0; } - - r300->skip_rendering = result == 0; } else { r300->skip_rendering = FALSE; } } +/*************************************************************************** + * Fake occlusion queries (for debugging) + ***************************************************************************/ + +static unsigned r300_fake_query; + +static struct pipe_query *r300_fake_create_query(struct pipe_context *pipe, + unsigned query_type) +{ + return (struct pipe_query*)&r300_fake_query; +} + +static void r300_fake_destroy_query(struct pipe_context* pipe, + struct pipe_query* query) +{ +} + +static void r300_fake_begin_query(struct pipe_context* pipe, + struct pipe_query* query) +{ +} + +static void r300_fake_end_query(struct pipe_context* pipe, + struct pipe_query* query) +{ +} + +static boolean r300_fake_get_query_result(struct pipe_context* pipe, + struct pipe_query* query, + boolean wait, void* vresult) +{ + uint64_t *result = (uint64_t*)vresult; + *result = 1000000; + return TRUE; +} + +static void r300_fake_render_condition(struct pipe_context *pipe, + struct pipe_query *query, uint mode) +{ +} + void r300_init_query_functions(struct r300_context* r300) { - r300->context.create_query = r300_create_query; - r300->context.destroy_query = r300_destroy_query; - r300->context.begin_query = r300_begin_query; - r300->context.end_query = r300_end_query; - r300->context.get_query_result = r300_get_query_result; - r300->context.render_condition = r300_render_condition; + if (DBG_ON(r300, DBG_FAKE_OCC)) { + r300->context.create_query = r300_fake_create_query; + r300->context.destroy_query = r300_fake_destroy_query; + r300->context.begin_query = r300_fake_begin_query; + r300->context.end_query = r300_fake_end_query; + r300->context.get_query_result = r300_fake_get_query_result; + r300->context.render_condition = r300_fake_render_condition; + } else { + r300->context.create_query = r300_create_query; + r300->context.destroy_query = r300_destroy_query; + r300->context.begin_query = r300_begin_query; + r300->context.end_query = r300_end_query; + r300->context.get_query_result = r300_get_query_result; + r300->context.render_condition = r300_render_condition; + } } |