mirror of https://github.com/xemu-project/xemu.git
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/*
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* Geforce NV2A PGRAPH OpenGL Renderer
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*
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* Copyright (c) 2012 espes
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* Copyright (c) 2015 Jannik Vogel
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* Copyright (c) 2018-2024 Matt Borgerson
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <hw/xbox/nv2a/nv2a_int.h>
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#include "renderer.h"
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static void process_pending_report(NV2AState *d, QueryReport *report)
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{
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PGRAPHState *pg = &d->pgraph;
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PGRAPHGLState *r = pg->gl_renderer_state;
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if (report->clear) {
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r->zpass_pixel_count_result = 0;
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return;
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}
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uint8_t type = GET_MASK(report->parameter, NV097_GET_REPORT_TYPE);
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assert(type == NV097_GET_REPORT_TYPE_ZPASS_PIXEL_CNT);
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/* FIXME: Multisampling affects this (both: OGL and Xbox GPU),
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* not sure if CLEARs also count
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*/
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/* FIXME: What about clipping regions etc? */
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for (int i = 0; i < report->query_count; i++) {
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GLuint gl_query_result = 0;
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glGetQueryObjectuiv(report->queries[i], GL_QUERY_RESULT, &gl_query_result);
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gl_query_result /= pg->surface_scale_factor * pg->surface_scale_factor;
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r->zpass_pixel_count_result += gl_query_result;
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}
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if (report->query_count) {
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glDeleteQueries(report->query_count, report->queries);
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g_free(report->queries);
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}
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pgraph_write_zpass_pixel_cnt_report(d, report->parameter, r->zpass_pixel_count_result);
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}
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void pgraph_gl_process_pending_reports(NV2AState *d)
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{
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PGRAPHState *pg = &d->pgraph;
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PGRAPHGLState *r = pg->gl_renderer_state;
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QueryReport *report, *next;
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QSIMPLEQ_FOREACH_SAFE(report, &r->report_queue, entry, next) {
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process_pending_report(d, report);
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QSIMPLEQ_REMOVE_HEAD(&r->report_queue, entry);
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g_free(report);
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}
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}
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void pgraph_gl_clear_report_value(NV2AState *d)
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{
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PGRAPHState *pg = &d->pgraph;
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PGRAPHGLState *r = pg->gl_renderer_state;
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/* FIXME: Does this have a value in parameter? Also does this (also?) modify
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* the report memory block?
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*/
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if (r->gl_zpass_pixel_count_query_count) {
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glDeleteQueries(r->gl_zpass_pixel_count_query_count,
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r->gl_zpass_pixel_count_queries);
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r->gl_zpass_pixel_count_query_count = 0;
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}
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QueryReport *report = g_malloc(sizeof(QueryReport));
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report->clear = true;
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QSIMPLEQ_INSERT_TAIL(&r->report_queue, report, entry);
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}
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void pgraph_gl_init_reports(NV2AState *d)
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{
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PGRAPHState *pg = &d->pgraph;
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PGRAPHGLState *r = pg->gl_renderer_state;
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QSIMPLEQ_INIT(&r->report_queue);
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}
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void pgraph_gl_get_report(NV2AState *d, uint32_t parameter)
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{
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PGRAPHState *pg = &d->pgraph;
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PGRAPHGLState *r = pg->gl_renderer_state;
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QueryReport *report = g_malloc(sizeof(QueryReport));
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report->clear = false;
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report->parameter = parameter;
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report->query_count = r->gl_zpass_pixel_count_query_count;
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report->queries = r->gl_zpass_pixel_count_queries;
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QSIMPLEQ_INSERT_TAIL(&r->report_queue, report, entry);
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r->gl_zpass_pixel_count_query_count = 0;
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r->gl_zpass_pixel_count_queries = NULL;
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}
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void pgraph_gl_finalize_reports(PGRAPHState *pg)
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{
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PGRAPHGLState *r = pg->gl_renderer_state;
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QueryReport *report, *next;
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QSIMPLEQ_FOREACH_SAFE (report, &r->report_queue, entry, next) {
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if (report->query_count) {
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glDeleteQueries(report->query_count, report->queries);
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}
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QSIMPLEQ_REMOVE_HEAD(&r->report_queue, entry);
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g_free(report);
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}
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if (r->gl_zpass_pixel_count_query_count) {
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glDeleteQueries(r->gl_zpass_pixel_count_query_count,
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r->gl_zpass_pixel_count_queries);
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r->gl_zpass_pixel_count_query_count = 0;
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}
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}
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