#include "r600_query.h"
#include "r600_cs.h"
#include "util/u_memory.h"
+#include "util/u_upload_mgr.h"
+
+#include "tgsi/tgsi_text.h"
struct r600_hw_query_params {
unsigned start_offset;
return true;
}
+
static struct r600_query_ops sw_query_ops = {
.destroy = r600_query_sw_destroy,
.begin = r600_query_sw_begin,
.end = r600_query_sw_end,
- .get_result = r600_query_sw_get_result
+ .get_result = r600_query_sw_get_result,
+ .get_result_resource = NULL
};
static struct pipe_query *r600_query_sw_create(struct pipe_context *ctx,
struct r600_query_hw *query)
{
unsigned buf_size = MAX2(query->result_size,
- ctx->screen->info.gart_page_size);
+ ctx->screen->info.min_alloc_size);
/* Queries are normally read by the CPU after
* being written by the gpu, hence staging is probably a good
if (!buf)
return NULL;
- if (query->flags & R600_QUERY_HW_FLAG_PREDICATE) {
- if (!query->ops->prepare_buffer(ctx, query, buf)) {
- r600_resource_reference(&buf, NULL);
- return NULL;
- }
+ if (!query->ops->prepare_buffer(ctx, query, buf)) {
+ r600_resource_reference(&buf, NULL);
+ return NULL;
}
return buf;
return true;
}
+static void r600_query_hw_get_result_resource(struct r600_common_context *rctx,
+ struct r600_query *rquery,
+ bool wait,
+ enum pipe_query_value_type result_type,
+ int index,
+ struct pipe_resource *resource,
+ unsigned offset);
+
static struct r600_query_ops query_hw_ops = {
.destroy = r600_query_hw_destroy,
.begin = r600_query_hw_begin,
.end = r600_query_hw_end,
.get_result = r600_query_hw_get_result,
+ .get_result_resource = r600_query_hw_get_result_resource,
};
static void r600_query_hw_do_emit_start(struct r600_common_context *ctx,
query->result_size += 16; /* for the fence + alignment */
query->num_cs_dw_begin = 6;
query->num_cs_dw_end = 6 + r600_gfx_write_fence_dwords(rctx->screen);
- query->flags |= R600_QUERY_HW_FLAG_PREDICATE;
break;
case PIPE_QUERY_TIME_ELAPSED:
query->result_size = 24;
query->num_cs_dw_begin = 6;
query->num_cs_dw_end = 6;
query->stream = index;
- query->flags |= R600_QUERY_HW_FLAG_PREDICATE;
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
/* 11 values on EG, 8 on R600. */
query->buffer.results_end = 0;
query->buffer.previous = NULL;
- if (query->flags & R600_QUERY_HW_FLAG_PREDICATE) {
- /* Obtain a new buffer if the current one can't be mapped without a stall. */
- if (r600_rings_is_buffer_referenced(rctx, query->buffer.buf->buf, RADEON_USAGE_READWRITE) ||
- !rctx->ws->buffer_wait(query->buffer.buf->buf, 0, RADEON_USAGE_READWRITE)) {
+ /* Obtain a new buffer if the current one can't be mapped without a stall. */
+ if (r600_rings_is_buffer_referenced(rctx, query->buffer.buf->buf, RADEON_USAGE_READWRITE) ||
+ !rctx->ws->buffer_wait(query->buffer.buf->buf, 0, RADEON_USAGE_READWRITE)) {
+ r600_resource_reference(&query->buffer.buf, NULL);
+ query->buffer.buf = r600_new_query_buffer(rctx, query);
+ } else {
+ if (!query->ops->prepare_buffer(rctx, query, query->buffer.buf))
r600_resource_reference(&query->buffer.buf, NULL);
- query->buffer.buf = r600_new_query_buffer(rctx, query);
- } else {
- if (!query->ops->prepare_buffer(rctx, query, query->buffer.buf))
- r600_resource_reference(&query->buffer.buf, NULL);
- }
}
}
return rquery->ops->get_result(rctx, rquery, wait, result);
}
+static void r600_get_query_result_resource(struct pipe_context *ctx,
+ struct pipe_query *query,
+ boolean wait,
+ enum pipe_query_value_type result_type,
+ int index,
+ struct pipe_resource *resource,
+ unsigned offset)
+{
+ struct r600_common_context *rctx = (struct r600_common_context *)ctx;
+ struct r600_query *rquery = (struct r600_query *)query;
+
+ rquery->ops->get_result_resource(rctx, rquery, wait, result_type, index,
+ resource, offset);
+}
+
static void r600_query_hw_clear_result(struct r600_query_hw *query,
union pipe_query_result *result)
{
return true;
}
+/* Create the compute shader that is used to collect the results.
+ *
+ * One compute grid with a single thread is launched for every query result
+ * buffer. The thread (optionally) reads a previous summary buffer, then
+ * accumulates data from the query result buffer, and writes the result either
+ * to a summary buffer to be consumed by the next grid invocation or to the
+ * user-supplied buffer.
+ *
+ * Data layout:
+ *
+ * CONST
+ * 0.x = end_offset
+ * 0.y = result_stride
+ * 0.z = result_count
+ * 0.w = bit field:
+ * 1: read previously accumulated values
+ * 2: write accumulated values for chaining
+ * 4: write result available
+ * 8: convert result to boolean (0/1)
+ * 16: only read one dword and use that as result
+ * 32: apply timestamp conversion
+ * 64: store full 64 bits result
+ * 128: store signed 32 bits result
+ * 1.x = fence_offset
+ * 1.y = pair_stride
+ * 1.z = pair_count
+ *
+ * BUFFER[0] = query result buffer
+ * BUFFER[1] = previous summary buffer
+ * BUFFER[2] = next summary buffer or user-supplied buffer
+ */
+static void r600_create_query_result_shader(struct r600_common_context *rctx)
+{
+ /* TEMP[0].xy = accumulated result so far
+ * TEMP[0].z = result not available
+ *
+ * TEMP[1].x = current result index
+ * TEMP[1].y = current pair index
+ */
+ static const char text_tmpl[] =
+ "COMP\n"
+ "PROPERTY CS_FIXED_BLOCK_WIDTH 1\n"
+ "PROPERTY CS_FIXED_BLOCK_HEIGHT 1\n"
+ "PROPERTY CS_FIXED_BLOCK_DEPTH 1\n"
+ "DCL BUFFER[0]\n"
+ "DCL BUFFER[1]\n"
+ "DCL BUFFER[2]\n"
+ "DCL CONST[0..1]\n"
+ "DCL TEMP[0..5]\n"
+ "IMM[0] UINT32 {0, 31, 2147483647, 4294967295}\n"
+ "IMM[1] UINT32 {1, 2, 4, 8}\n"
+ "IMM[2] UINT32 {16, 32, 64, 128}\n"
+ "IMM[3] UINT32 {1000000, 0, %u, 0}\n" /* for timestamp conversion */
+
+ "AND TEMP[5], CONST[0].wwww, IMM[2].xxxx\n"
+ "UIF TEMP[5]\n"
+ /* Check result availability. */
+ "LOAD TEMP[1].x, BUFFER[0], CONST[1].xxxx\n"
+ "ISHR TEMP[0].z, TEMP[1].xxxx, IMM[0].yyyy\n"
+ "MOV TEMP[1], TEMP[0].zzzz\n"
+ "NOT TEMP[0].z, TEMP[0].zzzz\n"
+
+ /* Load result if available. */
+ "UIF TEMP[1]\n"
+ "LOAD TEMP[0].xy, BUFFER[0], IMM[0].xxxx\n"
+ "ENDIF\n"
+ "ELSE\n"
+ /* Load previously accumulated result if requested. */
+ "MOV TEMP[0], IMM[0].xxxx\n"
+ "AND TEMP[4], CONST[0].wwww, IMM[1].xxxx\n"
+ "UIF TEMP[4]\n"
+ "LOAD TEMP[0].xyz, BUFFER[1], IMM[0].xxxx\n"
+ "ENDIF\n"
+
+ "MOV TEMP[1].x, IMM[0].xxxx\n"
+ "BGNLOOP\n"
+ /* Break if accumulated result so far is not available. */
+ "UIF TEMP[0].zzzz\n"
+ "BRK\n"
+ "ENDIF\n"
+
+ /* Break if result_index >= result_count. */
+ "USGE TEMP[5], TEMP[1].xxxx, CONST[0].zzzz\n"
+ "UIF TEMP[5]\n"
+ "BRK\n"
+ "ENDIF\n"
+
+ /* Load fence and check result availability */
+ "UMAD TEMP[5].x, TEMP[1].xxxx, CONST[0].yyyy, CONST[1].xxxx\n"
+ "LOAD TEMP[5].x, BUFFER[0], TEMP[5].xxxx\n"
+ "ISHR TEMP[0].z, TEMP[5].xxxx, IMM[0].yyyy\n"
+ "NOT TEMP[0].z, TEMP[0].zzzz\n"
+ "UIF TEMP[0].zzzz\n"
+ "BRK\n"
+ "ENDIF\n"
+
+ "MOV TEMP[1].y, IMM[0].xxxx\n"
+ "BGNLOOP\n"
+ /* Load start and end. */
+ "UMUL TEMP[5].x, TEMP[1].xxxx, CONST[0].yyyy\n"
+ "UMAD TEMP[5].x, TEMP[1].yyyy, CONST[1].yyyy, TEMP[5].xxxx\n"
+ "LOAD TEMP[2].xy, BUFFER[0], TEMP[5].xxxx\n"
+
+ "UADD TEMP[5].x, TEMP[5].xxxx, CONST[0].xxxx\n"
+ "LOAD TEMP[3].xy, BUFFER[0], TEMP[5].xxxx\n"
+
+ "U64ADD TEMP[3].xy, TEMP[3], -TEMP[2]\n"
+ "U64ADD TEMP[0].xy, TEMP[0], TEMP[3]\n"
+
+ /* Increment pair index */
+ "UADD TEMP[1].y, TEMP[1].yyyy, IMM[1].xxxx\n"
+ "USGE TEMP[5], TEMP[1].yyyy, CONST[1].zzzz\n"
+ "UIF TEMP[5]\n"
+ "BRK\n"
+ "ENDIF\n"
+ "ENDLOOP\n"
+
+ /* Increment result index */
+ "UADD TEMP[1].x, TEMP[1].xxxx, IMM[1].xxxx\n"
+ "ENDLOOP\n"
+ "ENDIF\n"
+
+ "AND TEMP[4], CONST[0].wwww, IMM[1].yyyy\n"
+ "UIF TEMP[4]\n"
+ /* Store accumulated data for chaining. */
+ "STORE BUFFER[2].xyz, IMM[0].xxxx, TEMP[0]\n"
+ "ELSE\n"
+ "AND TEMP[4], CONST[0].wwww, IMM[1].zzzz\n"
+ "UIF TEMP[4]\n"
+ /* Store result availability. */
+ "NOT TEMP[0].z, TEMP[0]\n"
+ "AND TEMP[0].z, TEMP[0].zzzz, IMM[1].xxxx\n"
+ "STORE BUFFER[2].x, IMM[0].xxxx, TEMP[0].zzzz\n"
+
+ "AND TEMP[4], CONST[0].wwww, IMM[2].zzzz\n"
+ "UIF TEMP[4]\n"
+ "STORE BUFFER[2].y, IMM[0].xxxx, IMM[0].xxxx\n"
+ "ENDIF\n"
+ "ELSE\n"
+ /* Store result if it is available. */
+ "NOT TEMP[4], TEMP[0].zzzz\n"
+ "UIF TEMP[4]\n"
+ /* Apply timestamp conversion */
+ "AND TEMP[4], CONST[0].wwww, IMM[2].yyyy\n"
+ "UIF TEMP[4]\n"
+ "U64MUL TEMP[0].xy, TEMP[0], IMM[3].xyxy\n"
+ "U64DIV TEMP[0].xy, TEMP[0], IMM[3].zwzw\n"
+ "ENDIF\n"
+
+ /* Convert to boolean */
+ "AND TEMP[4], CONST[0].wwww, IMM[1].wwww\n"
+ "UIF TEMP[4]\n"
+ "U64SNE TEMP[0].x, TEMP[0].xyxy, IMM[0].xxxx\n"
+ "AND TEMP[0].x, TEMP[0].xxxx, IMM[1].xxxx\n"
+ "MOV TEMP[0].y, IMM[0].xxxx\n"
+ "ENDIF\n"
+
+ "AND TEMP[4], CONST[0].wwww, IMM[2].zzzz\n"
+ "UIF TEMP[4]\n"
+ "STORE BUFFER[2].xy, IMM[0].xxxx, TEMP[0].xyxy\n"
+ "ELSE\n"
+ /* Clamping */
+ "UIF TEMP[0].yyyy\n"
+ "MOV TEMP[0].x, IMM[0].wwww\n"
+ "ENDIF\n"
+
+ "AND TEMP[4], CONST[0].wwww, IMM[2].wwww\n"
+ "UIF TEMP[4]\n"
+ "UMIN TEMP[0].x, TEMP[0].xxxx, IMM[0].zzzz\n"
+ "ENDIF\n"
+
+ "STORE BUFFER[2].x, IMM[0].xxxx, TEMP[0].xxxx\n"
+ "ENDIF\n"
+ "ENDIF\n"
+ "ENDIF\n"
+ "ENDIF\n"
+
+ "END\n";
+
+ char text[sizeof(text_tmpl) + 32];
+ struct tgsi_token tokens[1024];
+ struct pipe_compute_state state = {};
+
+ /* Hard code the frequency into the shader so that the backend can
+ * use the full range of optimizations for divide-by-constant.
+ */
+ snprintf(text, sizeof(text), text_tmpl,
+ rctx->screen->info.clock_crystal_freq);
+
+ if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) {
+ assert(false);
+ return;
+ }
+
+ state.ir_type = PIPE_SHADER_IR_TGSI;
+ state.prog = tokens;
+
+ rctx->query_result_shader = rctx->b.create_compute_state(&rctx->b, &state);
+}
+
+static void r600_restore_qbo_state(struct r600_common_context *rctx,
+ struct r600_qbo_state *st)
+{
+ rctx->b.bind_compute_state(&rctx->b, st->saved_compute);
+
+ rctx->b.set_constant_buffer(&rctx->b, PIPE_SHADER_COMPUTE, 0, &st->saved_const0);
+ pipe_resource_reference(&st->saved_const0.buffer, NULL);
+
+ rctx->b.set_shader_buffers(&rctx->b, PIPE_SHADER_COMPUTE, 0, 3, st->saved_ssbo);
+ for (unsigned i = 0; i < 3; ++i)
+ pipe_resource_reference(&st->saved_ssbo[i].buffer, NULL);
+}
+
+static void r600_query_hw_get_result_resource(struct r600_common_context *rctx,
+ struct r600_query *rquery,
+ bool wait,
+ enum pipe_query_value_type result_type,
+ int index,
+ struct pipe_resource *resource,
+ unsigned offset)
+{
+ struct r600_query_hw *query = (struct r600_query_hw *)rquery;
+ struct r600_query_buffer *qbuf;
+ struct r600_query_buffer *qbuf_prev;
+ struct pipe_resource *tmp_buffer = NULL;
+ unsigned tmp_buffer_offset = 0;
+ struct r600_qbo_state saved_state = {};
+ struct pipe_grid_info grid = {};
+ struct pipe_constant_buffer constant_buffer = {};
+ struct pipe_shader_buffer ssbo[3];
+ struct r600_hw_query_params params;
+ struct {
+ uint32_t end_offset;
+ uint32_t result_stride;
+ uint32_t result_count;
+ uint32_t config;
+ uint32_t fence_offset;
+ uint32_t pair_stride;
+ uint32_t pair_count;
+ } consts;
+
+ if (!rctx->query_result_shader) {
+ r600_create_query_result_shader(rctx);
+ if (!rctx->query_result_shader)
+ return;
+ }
+
+ if (query->buffer.previous) {
+ u_suballocator_alloc(rctx->allocator_zeroed_memory, 16, 16,
+ &tmp_buffer_offset, &tmp_buffer);
+ if (!tmp_buffer)
+ return;
+ }
+
+ rctx->save_qbo_state(&rctx->b, &saved_state);
+
+ r600_get_hw_query_params(rctx, query, index >= 0 ? index : 0, ¶ms);
+ consts.end_offset = params.end_offset - params.start_offset;
+ consts.fence_offset = params.fence_offset - params.start_offset;
+ consts.result_stride = query->result_size;
+ consts.pair_stride = params.pair_stride;
+ consts.pair_count = params.pair_count;
+
+ constant_buffer.buffer_size = sizeof(consts);
+ constant_buffer.user_buffer = &consts;
+
+ ssbo[1].buffer = tmp_buffer;
+ ssbo[1].buffer_offset = tmp_buffer_offset;
+ ssbo[1].buffer_size = 16;
+
+ ssbo[2] = ssbo[1];
+
+ rctx->b.bind_compute_state(&rctx->b, rctx->query_result_shader);
+
+ grid.block[0] = 1;
+ grid.block[1] = 1;
+ grid.block[2] = 1;
+ grid.grid[0] = 1;
+ grid.grid[1] = 1;
+ grid.grid[2] = 1;
+
+ consts.config = 0;
+ if (index < 0)
+ consts.config |= 4;
+ if (query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE ||
+ query->b.type == PIPE_QUERY_SO_OVERFLOW_PREDICATE)
+ consts.config |= 8;
+ else if (query->b.type == PIPE_QUERY_TIMESTAMP ||
+ query->b.type == PIPE_QUERY_TIME_ELAPSED)
+ consts.config |= 32;
+
+ switch (result_type) {
+ case PIPE_QUERY_TYPE_U64:
+ case PIPE_QUERY_TYPE_I64:
+ consts.config |= 64;
+ break;
+ case PIPE_QUERY_TYPE_I32:
+ consts.config |= 128;
+ break;
+ case PIPE_QUERY_TYPE_U32:
+ break;
+ }
+
+ rctx->flags |= rctx->screen->barrier_flags.cp_to_L2;
+
+ for (qbuf = &query->buffer; qbuf; qbuf = qbuf_prev) {
+ if (query->b.type != PIPE_QUERY_TIMESTAMP) {
+ qbuf_prev = qbuf->previous;
+ consts.result_count = qbuf->results_end / query->result_size;
+ consts.config &= ~3;
+ if (qbuf != &query->buffer)
+ consts.config |= 1;
+ if (qbuf->previous)
+ consts.config |= 2;
+ } else {
+ /* Only read the last timestamp. */
+ qbuf_prev = NULL;
+ consts.result_count = 0;
+ consts.config |= 16;
+ params.start_offset += qbuf->results_end - query->result_size;
+ }
+
+ rctx->b.set_constant_buffer(&rctx->b, PIPE_SHADER_COMPUTE, 0, &constant_buffer);
+
+ ssbo[0].buffer = &qbuf->buf->b.b;
+ ssbo[0].buffer_offset = params.start_offset;
+ ssbo[0].buffer_size = qbuf->results_end - params.start_offset;
+
+ if (!qbuf->previous) {
+ ssbo[2].buffer = resource;
+ ssbo[2].buffer_offset = offset;
+ ssbo[2].buffer_size = 8;
+
+ ((struct r600_resource *)resource)->TC_L2_dirty = true;
+ }
+
+ rctx->b.set_shader_buffers(&rctx->b, PIPE_SHADER_COMPUTE, 0, 3, ssbo);
+
+ if (wait && qbuf == &query->buffer) {
+ uint64_t va;
+
+ /* Wait for result availability. Wait only for readiness
+ * of the last entry, since the fence writes should be
+ * serialized in the CP.
+ */
+ va = qbuf->buf->gpu_address + qbuf->results_end - query->result_size;
+ va += params.fence_offset;
+
+ r600_gfx_wait_fence(rctx, va, 0x80000000, 0x80000000);
+ }
+
+ rctx->b.launch_grid(&rctx->b, &grid);
+ rctx->flags |= rctx->screen->barrier_flags.compute_to_L2;
+ }
+
+ r600_restore_qbo_state(rctx, &saved_state);
+ pipe_resource_reference(&tmp_buffer, NULL);
+}
+
static void r600_render_condition(struct pipe_context *ctx,
struct pipe_query *query,
boolean condition,
rctx->b.begin_query = r600_begin_query;
rctx->b.end_query = r600_end_query;
rctx->b.get_query_result = r600_get_query_result;
+ rctx->b.get_query_result_resource = r600_get_query_result_resource;
rctx->render_cond_atom.emit = r600_emit_query_predication;
if (((struct r600_common_screen*)rctx->b.screen)->info.num_render_backends > 0)
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