From ca35292a4456fec1c584d40bf9b4197fe733f609 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Tue, 21 Sep 2010 20:24:51 -0400 Subject: r600g: occlusion query for new design Signed-off-by: Jerome Glisse --- src/gallium/winsys/r600/drm/r600_state2.c | 151 +++++++++++++++++++++++++++++- 1 file changed, 150 insertions(+), 1 deletion(-) (limited to 'src/gallium/winsys/r600/drm/r600_state2.c') diff --git a/src/gallium/winsys/r600/drm/r600_state2.c b/src/gallium/winsys/r600/drm/r600_state2.c index e32071b0e4..d02a5a3895 100644 --- a/src/gallium/winsys/r600/drm/r600_state2.c +++ b/src/gallium/winsys/r600/drm/r600_state2.c @@ -60,6 +60,10 @@ void radeon_bo_reference(struct radeon *radeon, unsigned radeon_ws_bo_get_handle(struct radeon_ws_bo *pb_bo); +/* queries */ +static void r600_context_queries_suspend(struct r600_context *ctx); +static void r600_context_queries_resume(struct r600_context *ctx); + static int r600_group_id_register_offset(unsigned offset) { if (offset >= R600_CONFIG_REG_OFFSET && offset < R600_CONFIG_REG_END) { @@ -583,6 +587,7 @@ int r600_context_init(struct r600_context *ctx, struct radeon *radeon) memset(ctx, 0, sizeof(struct r600_context)); ctx->radeon = radeon; + LIST_INITHEAD(&ctx->query_list); /* initialize groups */ r = r600_group_init(&ctx->groups[R600_GROUP_CONFIG], R600_CONFIG_REG_OFFSET, R600_CONFIG_REG_END); if (r) { @@ -902,7 +907,7 @@ void r600_context_draw(struct r600_context *ctx, const struct r600_draw *draw) R600_ERR("context is too big to be scheduled\n"); return; } - /* Ok we enough room to copy packet */ + /* enough room to copy packet */ r600_context_group_emit_dirty(ctx, &ctx->groups[R600_GROUP_CONFIG], PKT3_SET_CONFIG_REG); r600_context_group_emit_dirty(ctx, &ctx->groups[R600_GROUP_CONTEXT], PKT3_SET_CONTEXT_REG); r600_context_group_emit_dirty(ctx, &ctx->groups[R600_GROUP_ALU_CONST], PKT3_SET_ALU_CONST); @@ -929,6 +934,8 @@ void r600_context_draw(struct r600_context *ctx, const struct r600_draw *draw) } ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE, 0); ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT; + /* all dirty state have been scheduled in current cs */ + ctx->pm4_dirty_cdwords = 0; } void r600_context_flush(struct r600_context *ctx) @@ -942,6 +949,9 @@ void r600_context_flush(struct r600_context *ctx) if (!ctx->pm4_cdwords) return; + /* suspend queries */ + r600_context_queries_suspend(ctx); + #if 1 /* emit cs */ drmib.num_chunks = 2; @@ -964,6 +974,13 @@ void r600_context_flush(struct r600_context *ctx) ctx->creloc = 0; ctx->pm4_dirty_cdwords = 0; ctx->pm4_cdwords = 0; + + /* resume queries */ + r600_context_queries_resume(ctx); + + /* set all valid group as dirty so they get reemited on + * next draw command + */ for (int i = 0; i < ctx->ngroups; i++) { for (int j = 0; j < ctx->groups[i].nblocks; j++) { /* mark enabled block as dirty */ @@ -1057,3 +1074,135 @@ out_err: bof_decref(device_id); bof_decref(root); } + +static void r600_query_result(struct r600_context *ctx, struct r600_query *query) +{ + u64 start, end; + u32 *results; + int i; + + results = radeon_ws_bo_map(ctx->radeon, query->buffer, 0, NULL); + for (i = 0; i < query->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)) { + query->result += end - start; + } + } + radeon_ws_bo_unmap(ctx->radeon, query->buffer); + query->num_results = 0; +} + +void r600_query_begin(struct r600_context *ctx, struct r600_query *query) +{ + /* query request needs 6 dwords for begin + 6 dwords for end */ + if ((12 + ctx->pm4_cdwords) > ctx->pm4_ndwords) { + /* need to flush */ + r600_context_flush(ctx); + } + + /* if query buffer is full force a flush */ + if (query->num_results >= ((query->buffer_size >> 2) - 2)) { + r600_context_flush(ctx); + r600_query_result(ctx, query); + } + + /* emit begin query */ + ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE, 2); + ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE_ZPASS_DONE; + ctx->pm4[ctx->pm4_cdwords++] = query->num_results; + ctx->pm4[ctx->pm4_cdwords++] = 0; + ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0); + ctx->pm4[ctx->pm4_cdwords++] = 0; + r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], radeon_bo_pb_get_bo(query->buffer->pb)); + + query->state |= R600_QUERY_STATE_STARTED; + query->state ^= R600_QUERY_STATE_ENDED; +} + +void r600_query_end(struct r600_context *ctx, struct r600_query *query) +{ + /* emit begin query */ + ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE, 2); + ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE_ZPASS_DONE; + ctx->pm4[ctx->pm4_cdwords++] = query->num_results + 8; + ctx->pm4[ctx->pm4_cdwords++] = 0; + ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0); + ctx->pm4[ctx->pm4_cdwords++] = 0; + r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], radeon_bo_pb_get_bo(query->buffer->pb)); + + query->num_results += 16; + query->state ^= R600_QUERY_STATE_STARTED; + query->state |= R600_QUERY_STATE_ENDED; +} + +struct r600_query *r600_context_query_create(struct r600_context *ctx, unsigned query_type) +{ + struct r600_query *query; + + if (query_type != PIPE_QUERY_OCCLUSION_COUNTER) + return NULL; + + query = calloc(1, sizeof(struct r600_query)); + if (query == NULL) + return NULL; + + query->type = query_type; + query->buffer_size = 4096; + + query->buffer = radeon_ws_bo(ctx->radeon, query->buffer_size, 1, 0); + if (!query->buffer) { + free(query); + return NULL; + } + + LIST_ADDTAIL(&query->list, &ctx->query_list); + + return query; +} + +void r600_context_query_destroy(struct r600_context *ctx, struct r600_query *query) +{ + radeon_ws_bo_reference(ctx->radeon, &query->buffer, NULL); + LIST_DEL(&query->list); + free(query); +} + +boolean r600_context_query_result(struct r600_context *ctx, + struct r600_query *query, + boolean wait, void *vresult) +{ + uint64_t *result = (uint64_t*)vresult; + + if (query->num_results) { + r600_context_flush(ctx); + } + r600_query_result(ctx, query); + *result = query->result; + query->result = 0; + return TRUE; +} + +static void r600_context_queries_suspend(struct r600_context *ctx) +{ + struct r600_query *query; + + LIST_FOR_EACH_ENTRY(query, &ctx->query_list, list) { + if (query->state & R600_QUERY_STATE_STARTED) { + r600_query_end(ctx, query); + query->state |= R600_QUERY_STATE_SUSPENDED; + } + } +} + +static void r600_context_queries_resume(struct r600_context *ctx) +{ + struct r600_query *query; + + LIST_FOR_EACH_ENTRY(query, &ctx->query_list, list) { + if (query->state & R600_QUERY_STATE_SUSPENDED) { + r600_query_begin(ctx, query); + query->state ^= R600_QUERY_STATE_SUSPENDED; + } + } +} -- cgit v1.2.3