mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2026-05-30 21:37:53 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

vulkan: move format enumeration into utils functions

Browse source
This commit is contained in:
columbarius 2023-09-23 14:32:46 +02:00
parent 6646a04439
commit 50c4fa43d6
10 changed files with 264 additions and 272 deletions
Download patch file Download diff file Expand all files Collapse all files

88
spa/plugins/vulkan/utils.c Normal file
View file

@ -0,0 +1,88 @@
/* Spa */
/* SPDX-FileCopyrightText: Copyright © 2023 columbarius */
/* SPDX-License-Identifier: MIT */
#include "utils.h"
#include <spa/param/param.h>
#include <spa/param/video/dsp.h>
#include <spa/param/video/raw.h>
// This function enumerates the available formats in vulkan_state::formats, announcing all formats capable to support DmaBufs
// first and then falling back to those supported with SHM buffers.
bool find_EnumFormatInfo(struct vulkan_format_infos *fmtInfos, uint32_t index, uint32_t caps, uint32_t *fmt_idx, bool *has_modifier) {
int64_t fmtIterator = 0;
int64_t maxIterator = 0;
if (caps & VULKAN_BUFFER_TYPE_CAP_SHM)
maxIterator += fmtInfos->formatCount;
if (caps & VULKAN_BUFFER_TYPE_CAP_DMABUF)
maxIterator += fmtInfos->formatCount;
// Count available formats until index underflows, while fmtIterator indexes the current format.
// Iterate twice over formats first time with modifiers, second time without if both caps are supported.
while (index < (uint32_t)-1 && fmtIterator < maxIterator) {
const struct vulkan_format_info *f_info = &fmtInfos->infos[fmtIterator%fmtInfos->formatCount];
if (caps & VULKAN_BUFFER_TYPE_CAP_DMABUF && fmtIterator < fmtInfos->formatCount) {
// First round, check for modifiers
if (f_info->modifierCount > 0) {
index--;
}
} else if (caps & VULKAN_BUFFER_TYPE_CAP_SHM) {
// Second round, every format should be supported.
index--;
}
fmtIterator++;
}
if (index != (uint32_t)-1) {
// No more formats available
return false;
}
// Undo end of loop increment
fmtIterator--;
*fmt_idx = fmtIterator%fmtInfos->formatCount;
// Loop finished in first round
*has_modifier = caps & VULKAN_BUFFER_TYPE_CAP_DMABUF && fmtIterator < fmtInfos->formatCount;
return true;
}
struct spa_pod *build_dsp_EnumFormat(const struct vulkan_format_info *fmt, bool with_modifiers, struct spa_pod_builder *builder) {
struct spa_pod_frame f[2];
uint32_t i, c;
spa_pod_builder_push_object(builder, &f[0], SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat);
spa_pod_builder_add(builder, SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), 0);
spa_pod_builder_add(builder, SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_dsp), 0);
spa_pod_builder_add(builder, SPA_FORMAT_VIDEO_format, SPA_POD_Id(fmt->spa_format), 0);
if (with_modifiers && fmt->modifierCount > 0) {
spa_pod_builder_prop(builder, SPA_FORMAT_VIDEO_modifier, SPA_POD_PROP_FLAG_MANDATORY | SPA_POD_PROP_FLAG_DONT_FIXATE);
spa_pod_builder_push_choice(builder, &f[1], SPA_CHOICE_Enum, 0);
for (i = 0, c = 0; i < fmt->modifierCount; i++) {
spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
if (c++ == 0)
spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
}
spa_pod_builder_pop(builder, &f[1]);
}
return spa_pod_builder_pop(builder, &f[0]);
}
struct spa_pod *build_raw_EnumFormat(const struct vulkan_format_info *fmt, bool with_modifiers, struct spa_pod_builder *builder) {
struct spa_pod_frame f[2];
uint32_t i, c;
spa_pod_builder_push_object(builder, &f[0], SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat);
spa_pod_builder_add(builder, SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), 0);
spa_pod_builder_add(builder, SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw), 0);
spa_pod_builder_add(builder, SPA_FORMAT_VIDEO_format, SPA_POD_Id(fmt->spa_format), 0);
if (with_modifiers && fmt->modifierCount > 0) {
spa_pod_builder_prop(builder, SPA_FORMAT_VIDEO_modifier, SPA_POD_PROP_FLAG_MANDATORY | SPA_POD_PROP_FLAG_DONT_FIXATE);
spa_pod_builder_push_choice(builder, &f[1], SPA_CHOICE_Enum, 0);
for (i = 0, c = 0; i < fmt->modifierCount; i++) {
spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
if (c++ == 0)
spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
}
spa_pod_builder_pop(builder, &f[1]);
}
return spa_pod_builder_pop(builder, &f[0]);
}