/**************************************************************************
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*
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* Copyright 2012 Marek Olšák <maraeo@gmail.com>
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "util/u_helpers.h"
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#include "util/u_inlines.h"
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#include "util/u_upload_mgr.h"
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#include <inttypes.h>
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/**
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* This function is used to copy an array of pipe_vertex_buffer structures,
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* while properly referencing the pipe_vertex_buffer::buffer member.
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*
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* enabled_buffers is updated such that the bits corresponding to the indices
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* of disabled buffers are set to 0 and the enabled ones are set to 1.
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*
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* \sa util_copy_framebuffer_state
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*/
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void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst,
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uint32_t *enabled_buffers,
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const struct pipe_vertex_buffer *src,
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unsigned start_slot, unsigned count)
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{
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unsigned i;
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uint32_t bitmask = 0;
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dst += start_slot;
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if (src) {
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for (i = 0; i < count; i++) {
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if (src[i].buffer.resource)
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bitmask |= 1 << i;
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pipe_vertex_buffer_unreference(&dst[i]);
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if (!src[i].is_user_buffer)
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pipe_resource_reference(&dst[i].buffer.resource, src[i].buffer.resource);
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}
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/* Copy over the other members of pipe_vertex_buffer. */
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memcpy(dst, src, count * sizeof(struct pipe_vertex_buffer));
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*enabled_buffers &= ~(((1ull << count) - 1) << start_slot);
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*enabled_buffers |= bitmask << start_slot;
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}
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else {
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/* Unreference the buffers. */
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for (i = 0; i < count; i++)
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pipe_vertex_buffer_unreference(&dst[i]);
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*enabled_buffers &= ~(((1ull << count) - 1) << start_slot);
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}
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}
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/**
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* Same as util_set_vertex_buffers_mask, but it only returns the number
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* of bound buffers.
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*/
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void util_set_vertex_buffers_count(struct pipe_vertex_buffer *dst,
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unsigned *dst_count,
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const struct pipe_vertex_buffer *src,
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unsigned start_slot, unsigned count)
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{
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unsigned i;
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uint32_t enabled_buffers = 0;
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for (i = 0; i < *dst_count; i++) {
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if (dst[i].buffer.resource)
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enabled_buffers |= (1ull << i);
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}
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util_set_vertex_buffers_mask(dst, &enabled_buffers, src, start_slot,
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count);
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*dst_count = util_last_bit(enabled_buffers);
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}
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/**
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* Given a user index buffer, save the structure to "saved", and upload it.
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*/
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bool
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util_upload_index_buffer(struct pipe_context *pipe,
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const struct pipe_draw_info *info,
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struct pipe_resource **out_buffer,
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unsigned *out_offset)
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{
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unsigned start_offset = info->start * info->index_size;
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u_upload_data(pipe->stream_uploader, start_offset,
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info->count * info->index_size, 4,
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(char*)info->index.user + start_offset,
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out_offset, out_buffer);
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u_upload_unmap(pipe->stream_uploader);
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*out_offset -= start_offset;
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return *out_buffer != NULL;
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}
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struct pipe_query *
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util_begin_pipestat_query(struct pipe_context *ctx)
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{
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struct pipe_query *q =
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ctx->create_query(ctx, PIPE_QUERY_PIPELINE_STATISTICS, 0);
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if (!q)
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return NULL;
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ctx->begin_query(ctx, q);
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return q;
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}
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void
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util_end_pipestat_query(struct pipe_context *ctx, struct pipe_query *q,
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FILE *f)
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{
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static unsigned counter;
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struct pipe_query_data_pipeline_statistics stats;
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ctx->end_query(ctx, q);
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ctx->get_query_result(ctx, q, true, (void*)&stats);
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ctx->destroy_query(ctx, q);
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fprintf(f,
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"Draw call %u:\n"
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" ia_vertices = %"PRIu64"\n"
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" ia_primitives = %"PRIu64"\n"
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" vs_invocations = %"PRIu64"\n"
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" gs_invocations = %"PRIu64"\n"
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" gs_primitives = %"PRIu64"\n"
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" c_invocations = %"PRIu64"\n"
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" c_primitives = %"PRIu64"\n"
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" ps_invocations = %"PRIu64"\n"
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" hs_invocations = %"PRIu64"\n"
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" ds_invocations = %"PRIu64"\n"
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" cs_invocations = %"PRIu64"\n",
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p_atomic_inc_return(&counter),
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stats.ia_vertices,
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stats.ia_primitives,
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stats.vs_invocations,
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stats.gs_invocations,
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stats.gs_primitives,
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stats.c_invocations,
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stats.c_primitives,
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stats.ps_invocations,
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stats.hs_invocations,
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stats.ds_invocations,
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stats.cs_invocations);
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}
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