From 63d010115c7972d854e0583f8f74e8d0c3407fcd Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 17 Aug 2010 16:07:23 +1000 Subject: r600g: add occlusion query support Signed-off-by: Dave Airlie Signed-off-by: Jerome Glisse --- src/gallium/drivers/r600/r600_query.c | 208 ++++++++++++++++++++++++++++++++-- 1 file changed, 201 insertions(+), 7 deletions(-) (limited to 'src/gallium/drivers/r600/r600_query.c') diff --git a/src/gallium/drivers/r600/r600_query.c b/src/gallium/drivers/r600/r600_query.c index 9b02ae680e..5929606cd2 100644 --- a/src/gallium/drivers/r600/r600_query.c +++ b/src/gallium/drivers/r600/r600_query.c @@ -24,39 +24,233 @@ * Jerome Glisse * Corbin Simpson */ +#include #include #include #include #include "r600_screen.h" #include "r600_context.h" -static struct pipe_query *r600_create_query(struct pipe_context *pipe, unsigned query_type) +static struct radeon_state *r600_query_begin(struct r600_context *rctx, struct r600_query *rquery) { - return NULL; + struct r600_screen *rscreen = rctx->screen; + struct radeon_state *rstate; + + rstate = radeon_state(rscreen->rw, R600_QUERY_BEGIN_TYPE, R600_QUERY_BEGIN); + if (rstate == NULL) + return NULL; + rstate->states[R600_QUERY__OFFSET] = rquery->num_results; + rstate->bo[0] = radeon_bo_incref(rscreen->rw, rquery->buffer); + rstate->nbo = 1; + rstate->placement[0] = RADEON_GEM_DOMAIN_GTT; + if (radeon_state_pm4(rstate)) { + radeon_state_decref(rstate); + return NULL; + } + return rstate; +} + +static struct radeon_state *r600_query_end(struct r600_context *rctx, struct r600_query *rquery) +{ + struct r600_screen *rscreen = rctx->screen; + struct radeon_state *rstate; + + rstate = radeon_state(rscreen->rw, R600_QUERY_END_TYPE, R600_QUERY_END); + if (rstate == NULL) + return NULL; + rstate->states[R600_QUERY__OFFSET] = rquery->num_results + 8; + rstate->bo[0] = radeon_bo_incref(rscreen->rw, rquery->buffer); + rstate->nbo = 1; + rstate->placement[0] = RADEON_GEM_DOMAIN_GTT; + if (radeon_state_pm4(rstate)) { + radeon_state_decref(rstate); + return NULL; + } + return rstate; } -static void r600_destroy_query(struct pipe_context *pipe, struct pipe_query *query) +static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type) { + struct r600_screen *rscreen = r600_screen(ctx->screen); + struct r600_context *rctx = r600_context(ctx); + struct r600_query *q; + + if (query_type != PIPE_QUERY_OCCLUSION_COUNTER) + return NULL; + + q = CALLOC_STRUCT(r600_query); + if (!q) + return NULL; + + q->type = query_type; + LIST_ADDTAIL(&q->list, &rctx->query_list); + q->buffer_size = 4096; + + q->buffer = radeon_bo(rscreen->rw, 0, q->buffer_size, 1, NULL); + if (!q->buffer) { + FREE(q); + return NULL; + } + return (struct pipe_query *)q; +} + +static void r600_destroy_query(struct pipe_context *ctx, + struct pipe_query *query) +{ + struct r600_screen *rscreen = r600_screen(ctx->screen); + struct r600_query *q = r600_query(query); + + radeon_bo_decref(rscreen->rw, q->buffer); + LIST_DEL(&q->list); FREE(query); } -static void r600_begin_query(struct pipe_context *pipe, struct pipe_query *query) +static void r600_query_result(struct pipe_context *ctx, struct r600_query *rquery) { + struct r600_screen *rscreen = r600_screen(ctx->screen); + u64 start, end; + u32 *results; + int i; + + radeon_bo_wait(rscreen->rw, rquery->buffer); + radeon_bo_map(rscreen->rw, rquery->buffer); + results = rquery->buffer->data; + for (i = 0; i < rquery->num_results; i += 4) { + start = (u64)results[i] | (u64)results[i + 1] << 32; + end = (u64)results[i + 2] | (u64)results[i + 3] << 32; + if ((start & 0x8000000000000000UL) && (end & 0x8000000000000000UL)) { + rquery->result += end - start; + } + } + radeon_bo_unmap(rscreen->rw, rquery->buffer); + rquery->num_results = 0; } -static void r600_end_query(struct pipe_context *pipe, struct pipe_query *query) +static void r600_query_resume(struct pipe_context *ctx, struct r600_query *rquery) { + struct r600_context *rctx = r600_context(ctx); + + if (rquery->num_results >= ((rquery->buffer_size >> 2) - 2)) { + /* running out of space */ + if (!rquery->flushed) { + ctx->flush(ctx, 0, NULL); + } + r600_query_result(ctx, rquery); + } + rquery->rstate = radeon_state_decref(rquery->rstate); + rquery->rstate = r600_query_begin(rctx, rquery); + rquery->flushed = false; +} + +static void r600_query_suspend(struct pipe_context *ctx, struct r600_query *rquery) +{ + struct r600_context *rctx = r600_context(ctx); + + rquery->rstate = radeon_state_decref(rquery->rstate); + rquery->rstate = r600_query_end(rctx, rquery); + rquery->num_results += 16; } -static boolean r600_get_query_result(struct pipe_context *pipe, +static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query) +{ + struct r600_context *rctx = r600_context(ctx); + struct r600_query *rquery = r600_query(query); + int r; + + rquery->state = R600_QUERY_STATE_STARTED; + rquery->num_results = 0; + rquery->flushed = false; + r600_query_resume(ctx, rquery); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + if (r == -EBUSY) { + /* this shouldn't happen */ + R600_ERR("had to flush while emitting end query\n"); + ctx->flush(ctx, 0, NULL); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + } +} + +static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query) +{ + struct r600_context *rctx = r600_context(ctx); + struct r600_query *rquery = r600_query(query); + int r; + + rquery->state &= ~R600_QUERY_STATE_STARTED; + rquery->state |= R600_QUERY_STATE_ENDED; + r600_query_suspend(ctx, rquery); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + if (r == -EBUSY) { + /* this shouldn't happen */ + R600_ERR("had to flush while emitting end query\n"); + ctx->flush(ctx, 0, NULL); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + } +} + +void r600_queries_suspend(struct pipe_context *ctx) +{ + struct r600_context *rctx = r600_context(ctx); + struct r600_query *rquery; + int r; + + LIST_FOR_EACH_ENTRY(rquery, &rctx->query_list, list) { + if (rquery->state & R600_QUERY_STATE_STARTED) { + r600_query_suspend(ctx, rquery); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + if (r == -EBUSY) { + /* this shouldn't happen */ + R600_ERR("had to flush while emitting end query\n"); + ctx->flush(ctx, 0, NULL); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + } + } + rquery->state |= R600_QUERY_STATE_SUSPENDED; + } +} + +void r600_queries_resume(struct pipe_context *ctx) +{ + struct r600_context *rctx = r600_context(ctx); + struct r600_query *rquery; + int r; + + LIST_FOR_EACH_ENTRY(rquery, &rctx->query_list, list) { + if (rquery->state & R600_QUERY_STATE_STARTED) { + r600_query_resume(ctx, rquery); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + if (r == -EBUSY) { + /* this shouldn't happen */ + R600_ERR("had to flush while emitting end query\n"); + ctx->flush(ctx, 0, NULL); + r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate); + } + } + rquery->state &= ~R600_QUERY_STATE_SUSPENDED; + } +} + +static boolean r600_get_query_result(struct pipe_context *ctx, struct pipe_query *query, - boolean wait, void *result) + boolean wait, void *vresult) { + struct r600_query *rquery = r600_query(query); + uint64_t *result = (uint64_t*)vresult; + + if (!rquery->flushed) { + ctx->flush(ctx, 0, NULL); + rquery->flushed = true; + } + r600_query_result(ctx, rquery); + *result = rquery->result; + rquery->result = 0; return TRUE; } void r600_init_query_functions(struct r600_context* rctx) { + LIST_INITHEAD(&rctx->query_list); + rctx->context.create_query = r600_create_query; rctx->context.destroy_query = r600_destroy_query; rctx->context.begin_query = r600_begin_query; -- cgit v1.2.3