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fuchsia / third_party / mesa / refs/heads/main / . / src / vulkan / wsi / wsi_common_wayland.c
blob: 70b00429972ed197dc17170abc605605314dedea [file] [log] [blame]
/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <wayland-client.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <pthread.h>
#include <poll.h>
#include <sys/mman.h>
#include <sys/types.h>
#include "drm-uapi/drm_fourcc.h"
#include "vk_instance.h"
#include "vk_physical_device.h"
#include "vk_util.h"
#include "wsi_common_entrypoints.h"
#include "wsi_common_private.h"
#include "linux-dmabuf-unstable-v1-client-protocol.h"
#include <util/compiler.h>
#include <util/hash_table.h>
#include <util/timespec.h>
#include <util/u_vector.h>
#include <util/u_dynarray.h>
#include <util/anon_file.h>
#ifdef MAJOR_IN_MKDEV
#include <sys/mkdev.h>
#endif
#ifdef MAJOR_IN_SYSMACROS
#include <sys/sysmacros.h>
#endif
struct wsi_wayland;
struct wsi_wl_format {
VkFormat vk_format;
uint32_t flags;
struct u_vector modifiers;
};
struct dmabuf_feedback_format_table {
unsigned int size;
struct {
uint32_t format;
uint32_t padding; /* unused */
uint64_t modifier;
} *data;
};
struct dmabuf_feedback_tranche {
dev_t target_device;
uint32_t flags;
struct u_vector formats;
};
struct dmabuf_feedback {
dev_t main_device;
struct dmabuf_feedback_format_table format_table;
struct util_dynarray tranches;
struct dmabuf_feedback_tranche pending_tranche;
};
struct wsi_wl_display {
/* The real wl_display */
struct wl_display *wl_display;
/* Actually a proxy wrapper around the event queue */
struct wl_display *wl_display_wrapper;
struct wl_event_queue *queue;
struct wl_shm *wl_shm;
struct zwp_linux_dmabuf_v1 *wl_dmabuf;
struct zwp_linux_dmabuf_feedback_v1 *wl_dmabuf_feedback;
struct dmabuf_feedback_format_table format_table;
struct wsi_wayland *wsi_wl;
/* Formats populated by zwp_linux_dmabuf_v1 or wl_shm interfaces */
struct u_vector formats;
bool sw;
dev_t main_device;
bool same_gpu;
};
struct wsi_wayland {
struct wsi_interface base;
struct wsi_device *wsi;
const VkAllocationCallbacks *alloc;
VkPhysicalDevice physical_device;
};
struct wsi_wl_image {
struct wsi_image base;
struct wl_buffer *buffer;
bool busy;
int shm_fd;
void *shm_ptr;
unsigned shm_size;
};
enum wsi_wl_buffer_type {
WSI_WL_BUFFER_NATIVE,
WSI_WL_BUFFER_GPU_SHM,
WSI_WL_BUFFER_SHM_MEMCPY,
};
struct wsi_wl_surface {
VkIcdSurfaceWayland base;
struct wsi_wl_swapchain *chain;
struct wl_surface *surface;
struct wsi_wl_display *display;
struct zwp_linux_dmabuf_feedback_v1 *wl_dmabuf_feedback;
struct dmabuf_feedback dmabuf_feedback, pending_dmabuf_feedback;
};
struct wsi_wl_swapchain {
struct wsi_swapchain base;
struct wsi_wl_surface *wsi_wl_surface;
struct wl_callback *frame;
VkExtent2D extent;
VkFormat vk_format;
enum wsi_wl_buffer_type buffer_type;
uint32_t drm_format;
enum wl_shm_format shm_format;
bool suboptimal;
uint32_t num_drm_modifiers;
const uint64_t *drm_modifiers;
VkPresentModeKHR present_mode;
bool fifo_ready;
struct wsi_wl_image images[0];
};
VK_DEFINE_NONDISP_HANDLE_CASTS(wsi_wl_swapchain, base.base, VkSwapchainKHR,
VK_OBJECT_TYPE_SWAPCHAIN_KHR)
enum wsi_wl_fmt_flag {
WSI_WL_FMT_ALPHA = 1 << 0,
WSI_WL_FMT_OPAQUE = 1 << 1,
};
static struct wsi_wl_format *
find_format(struct u_vector *formats, VkFormat format)
{
struct wsi_wl_format *f;
u_vector_foreach(f, formats)
if (f->vk_format == format)
return f;
return NULL;
}
static struct wsi_wl_format *
wsi_wl_display_add_vk_format(struct wsi_wl_display *display,
struct u_vector *formats,
VkFormat format, uint32_t flags)
{
assert(flags & (WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE));
/* Don't add a format that's already in the list */
struct wsi_wl_format *f = find_format(formats, format);
if (f) {
f->flags |= flags;
return f;
}
/* Don't add formats that aren't renderable. */
VkFormatProperties props;
display->wsi_wl->wsi->GetPhysicalDeviceFormatProperties(display->wsi_wl->physical_device,
format, &props);
if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
return NULL;
struct u_vector modifiers;
if (!u_vector_init_pow2(&modifiers, 4, sizeof(uint64_t)))
return NULL;
f = u_vector_add(formats);
if (!f) {
u_vector_finish(&modifiers);
return NULL;
}
f->vk_format = format;
f->flags = flags;
f->modifiers = modifiers;
return f;
}
static void
wsi_wl_format_add_modifier(struct wsi_wl_format *format, uint64_t modifier)
{
uint64_t *mod;
if (modifier == DRM_FORMAT_MOD_INVALID)
return;
u_vector_foreach(mod, &format->modifiers)
if (*mod == modifier)
return;
mod = u_vector_add(&format->modifiers);
if (mod)
*mod = modifier;
}
static void
wsi_wl_display_add_vk_format_modifier(struct wsi_wl_display *display,
struct u_vector *formats,
VkFormat vk_format, uint32_t flags,
uint64_t modifier)
{
struct wsi_wl_format *format;
format = wsi_wl_display_add_vk_format(display, formats, vk_format, flags);
if (format)
wsi_wl_format_add_modifier(format, modifier);
}
static void
wsi_wl_display_add_drm_format_modifier(struct wsi_wl_display *display,
struct u_vector *formats,
uint32_t drm_format, uint64_t modifier)
{
switch (drm_format) {
#if 0
/* TODO: These are only available when VK_EXT_4444_formats is enabled, so
* we probably need to make their use conditional on this extension. */
case DRM_FORMAT_ARGB4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A4R4G4B4_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_XRGB4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A4R4G4B4_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_ABGR4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A4B4G4R4_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_XBGR4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A4B4G4R4_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
#endif
/* Vulkan _PACKN formats have the same component order as DRM formats
* on little endian systems, on big endian there exists no analog. */
#if MESA_LITTLE_ENDIAN
case DRM_FORMAT_RGBA4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R4G4B4A4_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_RGBX4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R4G4B4A4_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_BGRA4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B4G4R4A4_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_BGRX4444:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B4G4R4A4_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_RGB565:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R5G6B5_UNORM_PACK16,
WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE,
modifier);
break;
case DRM_FORMAT_BGR565:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B5G6R5_UNORM_PACK16,
WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE,
modifier);
break;
case DRM_FORMAT_ARGB1555:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A1R5G5B5_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_XRGB1555:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A1R5G5B5_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_RGBA5551:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R5G5B5A1_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_RGBX5551:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R5G5B5A1_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_BGRA5551:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B5G5R5A1_UNORM_PACK16,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_BGRX5551:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B5G5R5A1_UNORM_PACK16,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_ARGB2101010:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A2R10G10B10_UNORM_PACK32,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_XRGB2101010:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A2R10G10B10_UNORM_PACK32,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_ABGR2101010:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A2B10G10R10_UNORM_PACK32,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_XBGR2101010:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_A2B10G10R10_UNORM_PACK32,
WSI_WL_FMT_OPAQUE, modifier);
break;
#endif
/* Non-packed 8-bit formats have an inverted channel order compared to the
* little endian DRM formats, because the DRM channel ordering is high->low
* but the vulkan channel ordering is in memory byte order
*
* For all UNORM formats which have a SRGB variant, we must support both if
* we can. SRGB in this context means that rendering to it will result in a
* linear -> nonlinear SRGB colorspace conversion before the data is stored.
* The inverse function is applied when sampling from SRGB images.
* From Wayland's perspective nothing changes, the difference is just how
* Vulkan interprets the pixel data. */
case DRM_FORMAT_XBGR8888:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R8G8B8_SRGB,
WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE,
modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R8G8B8_UNORM,
WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE,
modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R8G8B8A8_SRGB,
WSI_WL_FMT_OPAQUE, modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R8G8B8A8_UNORM,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_ABGR8888:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R8G8B8A8_SRGB,
WSI_WL_FMT_ALPHA, modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_R8G8B8A8_UNORM,
WSI_WL_FMT_ALPHA, modifier);
break;
case DRM_FORMAT_XRGB8888:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B8G8R8_SRGB,
WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE,
modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B8G8R8_UNORM,
WSI_WL_FMT_ALPHA | WSI_WL_FMT_OPAQUE,
modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B8G8R8A8_SRGB,
WSI_WL_FMT_OPAQUE, modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B8G8R8A8_UNORM,
WSI_WL_FMT_OPAQUE, modifier);
break;
case DRM_FORMAT_ARGB8888:
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B8G8R8A8_SRGB,
WSI_WL_FMT_ALPHA, modifier);
wsi_wl_display_add_vk_format_modifier(display, formats,
VK_FORMAT_B8G8R8A8_UNORM,
WSI_WL_FMT_ALPHA, modifier);
break;
}
}
static uint32_t
drm_format_for_wl_shm_format(enum wl_shm_format shm_format)
{
/* wl_shm formats are identical to DRM, except ARGB8888 and XRGB8888 */
switch (shm_format) {
case WL_SHM_FORMAT_ARGB8888:
return DRM_FORMAT_ARGB8888;
case WL_SHM_FORMAT_XRGB8888:
return DRM_FORMAT_XRGB8888;
default:
return shm_format;
}
}
static void
wsi_wl_display_add_wl_shm_format(struct wsi_wl_display *display,
struct u_vector *formats,
enum wl_shm_format shm_format)
{
uint32_t drm_format = drm_format_for_wl_shm_format(shm_format);
wsi_wl_display_add_drm_format_modifier(display, formats, drm_format,
DRM_FORMAT_MOD_INVALID);
}
static uint32_t
wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
{
switch (vk_format) {
#if 0
case VK_FORMAT_A4R4G4B4_UNORM_PACK16:
return alpha ? DRM_FORMAT_ARGB4444 : DRM_FORMAT_XRGB4444;
case VK_FORMAT_A4B4G4R4_UNORM_PACK16:
return alpha ? DRM_FORMAT_ABGR4444 : DRM_FORMAT_XBGR4444;
#endif
#if MESA_LITTLE_ENDIAN
case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
return alpha ? DRM_FORMAT_RGBA4444 : DRM_FORMAT_RGBX4444;
case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
return alpha ? DRM_FORMAT_BGRA4444 : DRM_FORMAT_BGRX4444;
case VK_FORMAT_R5G6B5_UNORM_PACK16:
return DRM_FORMAT_RGB565;
case VK_FORMAT_B5G6R5_UNORM_PACK16:
return DRM_FORMAT_BGR565;
case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
return alpha ? DRM_FORMAT_ARGB1555 : DRM_FORMAT_XRGB1555;
case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
return alpha ? DRM_FORMAT_RGBA5551 : DRM_FORMAT_RGBX5551;
case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
return alpha ? DRM_FORMAT_BGRA5551 : DRM_FORMAT_BGRX5551;
case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
return alpha ? DRM_FORMAT_ARGB2101010 : DRM_FORMAT_XRGB2101010;
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
return alpha ? DRM_FORMAT_ABGR2101010 : DRM_FORMAT_XBGR2101010;
#endif
case VK_FORMAT_R8G8B8_UNORM:
case VK_FORMAT_R8G8B8_SRGB:
return DRM_FORMAT_XBGR8888;
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_R8G8B8A8_SRGB:
return alpha ? DRM_FORMAT_ABGR8888 : DRM_FORMAT_XBGR8888;
case VK_FORMAT_B8G8R8_UNORM:
case VK_FORMAT_B8G8R8_SRGB:
return DRM_FORMAT_BGRX8888;
case VK_FORMAT_B8G8R8A8_UNORM:
case VK_FORMAT_B8G8R8A8_SRGB:
return alpha ? DRM_FORMAT_ARGB8888 : DRM_FORMAT_XRGB8888;
default:
assert(!"Unsupported Vulkan format");
return DRM_FORMAT_INVALID;
}
}
static enum wl_shm_format
wl_shm_format_for_vk_format(VkFormat vk_format, bool alpha)
{
uint32_t drm_format = wl_drm_format_for_vk_format(vk_format, alpha);
if (drm_format == DRM_FORMAT_INVALID) {
return 0;
}
/* wl_shm formats are identical to DRM, except ARGB8888 and XRGB8888 */
switch (drm_format) {
case DRM_FORMAT_ARGB8888:
return WL_SHM_FORMAT_ARGB8888;
case DRM_FORMAT_XRGB8888:
return WL_SHM_FORMAT_XRGB8888;
default:
return drm_format;
}
}
static void
dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format)
{
/* Formats are implicitly advertised by the modifier event, so we ignore
* them here. */
}
static void
dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format, uint32_t modifier_hi,
uint32_t modifier_lo)
{
struct wsi_wl_display *display = data;
uint64_t modifier;
/* Ignore this if the compositor advertised dma-buf feedback. From version 4
* onwards (when dma-buf feedback was introduced), the compositor should not
* advertise this event anymore, but let's keep this for safety. */
if (display->wl_dmabuf_feedback)
return;
modifier = ((uint64_t) modifier_hi << 32) | modifier_lo;
wsi_wl_display_add_drm_format_modifier(display, &display->formats,
format, modifier);
}
static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
dmabuf_handle_format,
dmabuf_handle_modifier,
};
static void
dmabuf_feedback_format_table_fini(struct dmabuf_feedback_format_table *format_table)
{
if (format_table->data && format_table->data != MAP_FAILED)
munmap(format_table->data, format_table->size);
}
static void
dmabuf_feedback_format_table_init(struct dmabuf_feedback_format_table *format_table)
{
memset(format_table, 0, sizeof(*format_table));
}
static void
dmabuf_feedback_tranche_fini(struct dmabuf_feedback_tranche *tranche)
{
struct wsi_wl_format *format;
u_vector_foreach(format, &tranche->formats)
u_vector_finish(&format->modifiers);
u_vector_finish(&tranche->formats);
}
static int
dmabuf_feedback_tranche_init(struct dmabuf_feedback_tranche *tranche)
{
memset(tranche, 0, sizeof(*tranche));
if (!u_vector_init(&tranche->formats, 8, sizeof(struct wsi_wl_format)))
return -1;
return 0;
}
static void
dmabuf_feedback_fini(struct dmabuf_feedback *dmabuf_feedback)
{
dmabuf_feedback_tranche_fini(&dmabuf_feedback->pending_tranche);
util_dynarray_foreach(&dmabuf_feedback->tranches,
struct dmabuf_feedback_tranche, tranche)
dmabuf_feedback_tranche_fini(tranche);
util_dynarray_fini(&dmabuf_feedback->tranches);
dmabuf_feedback_format_table_fini(&dmabuf_feedback->format_table);
}
static int
dmabuf_feedback_init(struct dmabuf_feedback *dmabuf_feedback)
{
memset(dmabuf_feedback, 0, sizeof(*dmabuf_feedback));
if (dmabuf_feedback_tranche_init(&dmabuf_feedback->pending_tranche) < 0)
return -1;
util_dynarray_init(&dmabuf_feedback->tranches, NULL);
dmabuf_feedback_format_table_init(&dmabuf_feedback->format_table);
return 0;
}
static void
default_dmabuf_feedback_format_table(void *data,
struct zwp_linux_dmabuf_feedback_v1 *zwp_linux_dmabuf_feedback_v1,
int32_t fd, uint32_t size)
{
struct wsi_wl_display *display = data;
display->format_table.size = size;
display->format_table.data = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
close(fd);
}
static void
default_dmabuf_feedback_main_device(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
struct wl_array *device)
{
struct wsi_wl_display *display = data;
assert(device->size == sizeof(dev_t));
dev_t *dev = device->data;
display->main_device = *dev;
}
static void
default_dmabuf_feedback_tranche_target_device(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
struct wl_array *device)
{
/* ignore this event */
}
static void
default_dmabuf_feedback_tranche_flags(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
uint32_t flags)
{
/* ignore this event */
}
static void
default_dmabuf_feedback_tranche_formats(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
struct wl_array *indices)
{
struct wsi_wl_display *display = data;
uint32_t format;
uint64_t modifier;
uint16_t *index;
/* We couldn't map the format table or the compositor didn't advertise it,
* so we have to ignore the feedback. */
if (display->format_table.data == MAP_FAILED ||
display->format_table.data == NULL)
return;
wl_array_for_each(index, indices) {
format = display->format_table.data[*index].format;
modifier = display->format_table.data[*index].modifier;
wsi_wl_display_add_drm_format_modifier(display, &display->formats,
format, modifier);
}
}
static void
default_dmabuf_feedback_tranche_done(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback)
{
/* ignore this event */
}
static void
default_dmabuf_feedback_done(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback)
{
/* ignore this event */
}
static const struct zwp_linux_dmabuf_feedback_v1_listener
dmabuf_feedback_listener = {
.format_table = default_dmabuf_feedback_format_table,
.main_device = default_dmabuf_feedback_main_device,
.tranche_target_device = default_dmabuf_feedback_tranche_target_device,
.tranche_flags = default_dmabuf_feedback_tranche_flags,
.tranche_formats = default_dmabuf_feedback_tranche_formats,
.tranche_done = default_dmabuf_feedback_tranche_done,
.done = default_dmabuf_feedback_done,
};
static void
shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
{
struct wsi_wl_display *display = data;
wsi_wl_display_add_wl_shm_format(display, &display->formats, format);
}
static const struct wl_shm_listener shm_listener = {
.format = shm_handle_format
};
static void
registry_handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
struct wsi_wl_display *display = data;
if (display->sw) {
if (strcmp(interface, wl_shm_interface.name) == 0) {
display->wl_shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
wl_shm_add_listener(display->wl_shm, &shm_listener, display);
}
return;
}
if (strcmp(interface, zwp_linux_dmabuf_v1_interface.name) == 0 && version >= 3) {
display->wl_dmabuf =
wl_registry_bind(registry, name, &zwp_linux_dmabuf_v1_interface,
MIN2(version, ZWP_LINUX_DMABUF_V1_GET_DEFAULT_FEEDBACK_SINCE_VERSION));
zwp_linux_dmabuf_v1_add_listener(display->wl_dmabuf,
&dmabuf_listener, display);
}
}
static void
registry_handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name)
{ /* No-op */ }
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove
};
static void
wsi_wl_display_finish(struct wsi_wl_display *display)
{
struct wsi_wl_format *f;
u_vector_foreach(f, &display->formats)
u_vector_finish(&f->modifiers);
u_vector_finish(&display->formats);
if (display->wl_shm)
wl_shm_destroy(display->wl_shm);
if (display->wl_dmabuf)
zwp_linux_dmabuf_v1_destroy(display->wl_dmabuf);
if (display->wl_display_wrapper)
wl_proxy_wrapper_destroy(display->wl_display_wrapper);
if (display->queue)
wl_event_queue_destroy(display->queue);
}
static VkResult
wsi_wl_display_init(struct wsi_wayland *wsi_wl,
struct wsi_wl_display *display,
struct wl_display *wl_display,
bool get_format_list, bool sw)
{
VkResult result = VK_SUCCESS;
memset(display, 0, sizeof(*display));
if (!u_vector_init(&display->formats, 8, sizeof(struct wsi_wl_format)))
return VK_ERROR_OUT_OF_HOST_MEMORY;
display->wsi_wl = wsi_wl;
display->wl_display = wl_display;
display->sw = sw;
display->queue = wl_display_create_queue(wl_display);
if (!display->queue) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
display->wl_display_wrapper = wl_proxy_create_wrapper(wl_display);
if (!display->wl_display_wrapper) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
wl_proxy_set_queue((struct wl_proxy *) display->wl_display_wrapper,
display->queue);
struct wl_registry *registry =
wl_display_get_registry(display->wl_display_wrapper);
if (!registry) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
wl_registry_add_listener(registry, &registry_listener, display);
/* Round-trip to get wl_shm and zwp_linux_dmabuf_v1 globals */
wl_display_roundtrip_queue(display->wl_display, display->queue);
if (!display->wl_dmabuf && !display->wl_shm) {
result = VK_ERROR_SURFACE_LOST_KHR;
goto fail_registry;
}
/* Caller doesn't expect us to query formats/modifiers, so return */
if (!get_format_list)
goto out;
/* Default assumption */
display->same_gpu = true;
/* Get the default dma-buf feedback */
if (display->wl_dmabuf && zwp_linux_dmabuf_v1_get_version(display->wl_dmabuf) >=
ZWP_LINUX_DMABUF_V1_GET_DEFAULT_FEEDBACK_SINCE_VERSION) {
dmabuf_feedback_format_table_init(&display->format_table);
display->wl_dmabuf_feedback =
zwp_linux_dmabuf_v1_get_default_feedback(display->wl_dmabuf);
zwp_linux_dmabuf_feedback_v1_add_listener(display->wl_dmabuf_feedback,
&dmabuf_feedback_listener, display);
/* Round-trip again to fetch dma-buf feedback */
wl_display_roundtrip_queue(display->wl_display, display->queue);
if (wsi_wl->wsi->drm_info.hasRender ||
wsi_wl->wsi->drm_info.hasPrimary) {
/* Apparently some wayland compositor do not send the render
* device node but the primary, so test against both.
*/
display->same_gpu =
(wsi_wl->wsi->drm_info.hasRender &&
major(display->main_device) == wsi_wl->wsi->drm_info.renderMajor &&
minor(display->main_device) == wsi_wl->wsi->drm_info.renderMinor) ||
(wsi_wl->wsi->drm_info.hasPrimary &&
major(display->main_device) == wsi_wl->wsi->drm_info.primaryMajor &&
minor(display->main_device) == wsi_wl->wsi->drm_info.primaryMinor);
}
}
/* Round-trip again to get formats and modifiers */
wl_display_roundtrip_queue(display->wl_display, display->queue);
if (wsi_wl->wsi->force_bgra8_unorm_first) {
/* Find BGRA8_UNORM in the list and swap it to the first position if we
* can find it. Some apps get confused if SRGB is first in the list.
*/
struct wsi_wl_format *first_fmt = u_vector_head(&display->formats);
struct wsi_wl_format *f, tmp_fmt;
f = find_format(&display->formats, VK_FORMAT_B8G8R8A8_UNORM);
if (f) {
tmp_fmt = *f;
*f = *first_fmt;
*first_fmt = tmp_fmt;
}
}
out:
/* We don't need this anymore */
wl_registry_destroy(registry);
/* Destroy default dma-buf feedback object and format table */
if (display->wl_dmabuf_feedback) {
zwp_linux_dmabuf_feedback_v1_destroy(display->wl_dmabuf_feedback);
display->wl_dmabuf_feedback = NULL;
dmabuf_feedback_format_table_fini(&display->format_table);
}
return VK_SUCCESS;
fail_registry:
if (registry)
wl_registry_destroy(registry);
fail:
wsi_wl_display_finish(display);
return result;
}
static VkResult
wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display,
bool sw,
struct wsi_wl_display **display_out)
{
struct wsi_wl_display *display =
vk_alloc(wsi->alloc, sizeof(*display), 8,
VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
if (!display)
return VK_ERROR_OUT_OF_HOST_MEMORY;
VkResult result = wsi_wl_display_init(wsi, display, wl_display, true,
sw);
if (result != VK_SUCCESS) {
vk_free(wsi->alloc, display);
return result;
}
*display_out = display;
return result;
}
static void
wsi_wl_display_destroy(struct wsi_wl_display *display)
{
struct wsi_wayland *wsi = display->wsi_wl;
wsi_wl_display_finish(display);
vk_free(wsi->alloc, display);
}
VKAPI_ATTR VkBool32 VKAPI_CALL
wsi_GetPhysicalDeviceWaylandPresentationSupportKHR(VkPhysicalDevice physicalDevice,
uint32_t queueFamilyIndex,
struct wl_display *wl_display)
{
VK_FROM_HANDLE(vk_physical_device, pdevice, physicalDevice);
struct wsi_device *wsi_device = pdevice->wsi_device;
struct wsi_wayland *wsi =
(struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
struct wsi_wl_display display;
VkResult ret = wsi_wl_display_init(wsi, &display, wl_display, false,
wsi_device->sw);
if (ret == VK_SUCCESS)
wsi_wl_display_finish(&display);
return ret == VK_SUCCESS;
}
static VkResult
wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
struct wsi_device *wsi_device,
uint32_t queueFamilyIndex,
VkBool32* pSupported)
{
*pSupported = true;
return VK_SUCCESS;
}
static const VkPresentModeKHR present_modes[] = {
VK_PRESENT_MODE_MAILBOX_KHR,
VK_PRESENT_MODE_FIFO_KHR,
};
static VkResult
wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
struct wsi_device *wsi_device,
VkSurfaceCapabilitiesKHR* caps)
{
/* For true mailbox mode, we need at least 4 images:
* 1) One to scan out from
* 2) One to have queued for scan-out
* 3) One to be currently held by the Wayland compositor
* 4) One to render to
*/
caps->minImageCount = 4;
/* There is no real maximum */
caps->maxImageCount = 0;
caps->currentExtent = (VkExtent2D) { UINT32_MAX, UINT32_MAX };
caps->minImageExtent = (VkExtent2D) { 1, 1 };
caps->maxImageExtent = (VkExtent2D) {
wsi_device->maxImageDimension2D,
wsi_device->maxImageDimension2D,
};
caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
caps->maxImageArrayLayers = 1;
caps->supportedCompositeAlpha =
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
caps->supportedUsageFlags =
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_STORAGE_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
return VK_SUCCESS;
}
static VkResult
wsi_wl_surface_get_capabilities2(VkIcdSurfaceBase *surface,
struct wsi_device *wsi_device,
const void *info_next,
VkSurfaceCapabilities2KHR* caps)
{
assert(caps->sType == VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR);
VkResult result =
wsi_wl_surface_get_capabilities(surface, wsi_device,
&caps->surfaceCapabilities);
vk_foreach_struct(ext, caps->pNext) {
switch (ext->sType) {
case VK_STRUCTURE_TYPE_SURFACE_PROTECTED_CAPABILITIES_KHR: {
VkSurfaceProtectedCapabilitiesKHR *protected = (void *)ext;
protected->supportsProtected = VK_FALSE;
break;
}
default:
/* Ignored */
break;
}
}
return result;
}
static VkResult
wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
struct wsi_device *wsi_device,
uint32_t* pSurfaceFormatCount,
VkSurfaceFormatKHR* pSurfaceFormats)
{
VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
struct wsi_wayland *wsi =
(struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
struct wsi_wl_display display;
if (wsi_wl_display_init(wsi, &display, surface->display, true,
wsi_device->sw))
return VK_ERROR_SURFACE_LOST_KHR;
VK_OUTARRAY_MAKE_TYPED(VkSurfaceFormatKHR, out,
pSurfaceFormats, pSurfaceFormatCount);
struct wsi_wl_format *disp_fmt;
u_vector_foreach(disp_fmt, &display.formats) {
/* Skip formats for which we can't support both alpha & opaque
* formats.
*/
if (!(disp_fmt->flags & WSI_WL_FMT_ALPHA) ||
!(disp_fmt->flags & WSI_WL_FMT_OPAQUE))
continue;
vk_outarray_append_typed(VkSurfaceFormatKHR, &out, out_fmt) {
out_fmt->format = disp_fmt->vk_format;
out_fmt->colorSpace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
}
}
wsi_wl_display_finish(&display);
return vk_outarray_status(&out);
}
static VkResult
wsi_wl_surface_get_formats2(VkIcdSurfaceBase *icd_surface,
struct wsi_device *wsi_device,
const void *info_next,
uint32_t* pSurfaceFormatCount,
VkSurfaceFormat2KHR* pSurfaceFormats)
{
VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
struct wsi_wayland *wsi =
(struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
struct wsi_wl_display display;
if (wsi_wl_display_init(wsi, &display, surface->display, true,
wsi_device->sw))
return VK_ERROR_SURFACE_LOST_KHR;
VK_OUTARRAY_MAKE_TYPED(VkSurfaceFormat2KHR, out,
pSurfaceFormats, pSurfaceFormatCount);
struct wsi_wl_format *disp_fmt;
u_vector_foreach(disp_fmt, &display.formats) {
/* Skip formats for which we can't support both alpha & opaque
* formats.
*/
if (!(disp_fmt->flags & WSI_WL_FMT_ALPHA) ||
!(disp_fmt->flags & WSI_WL_FMT_OPAQUE))
continue;
vk_outarray_append_typed(VkSurfaceFormat2KHR, &out, out_fmt) {
out_fmt->surfaceFormat.format = disp_fmt->vk_format;
out_fmt->surfaceFormat.colorSpace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
}
}
wsi_wl_display_finish(&display);
return vk_outarray_status(&out);
}
static VkResult
wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
uint32_t* pPresentModeCount,
VkPresentModeKHR* pPresentModes)
{
if (pPresentModes == NULL) {
*pPresentModeCount = ARRAY_SIZE(present_modes);
return VK_SUCCESS;
}
*pPresentModeCount = MIN2(*pPresentModeCount, ARRAY_SIZE(present_modes));
typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
if (*pPresentModeCount < ARRAY_SIZE(present_modes))
return VK_INCOMPLETE;
else
return VK_SUCCESS;
}
static VkResult
wsi_wl_surface_get_present_rectangles(VkIcdSurfaceBase *surface,
struct wsi_device *wsi_device,
uint32_t* pRectCount,
VkRect2D* pRects)
{
VK_OUTARRAY_MAKE_TYPED(VkRect2D, out, pRects, pRectCount);
vk_outarray_append_typed(VkRect2D, &out, rect) {
/* We don't know a size so just return the usual "I don't know." */
*rect = (VkRect2D) {
.offset = { 0, 0 },
.extent = { UINT32_MAX, UINT32_MAX },
};
}
return vk_outarray_status(&out);
}
void
wsi_wl_surface_destroy(VkIcdSurfaceBase *icd_surface, VkInstance _instance,
const VkAllocationCallbacks *pAllocator)
{
VK_FROM_HANDLE(vk_instance, instance, _instance);
struct wsi_wl_surface *wsi_wl_surface =
wl_container_of((VkIcdSurfaceWayland *)icd_surface, wsi_wl_surface, base);
if (wsi_wl_surface->surface)
wl_proxy_wrapper_destroy(wsi_wl_surface->surface);
if (wsi_wl_surface->display)
wsi_wl_display_destroy(wsi_wl_surface->display);
if (wsi_wl_surface->wl_dmabuf_feedback) {
zwp_linux_dmabuf_feedback_v1_destroy(wsi_wl_surface->wl_dmabuf_feedback);
dmabuf_feedback_fini(&wsi_wl_surface->dmabuf_feedback);
dmabuf_feedback_fini(&wsi_wl_surface->pending_dmabuf_feedback);
}
vk_free2(&instance->alloc, pAllocator, wsi_wl_surface);
}
static struct wsi_wl_format *
pick_format_from_surface_dmabuf_feedback(struct wsi_wl_surface *wsi_wl_surface,
VkFormat vk_format)
{
struct wsi_wl_format *f = NULL;
/* If the main_device was not advertised, we don't have valid feedback */
if (wsi_wl_surface->dmabuf_feedback.main_device == 0)
return NULL;
util_dynarray_foreach(&wsi_wl_surface->dmabuf_feedback.tranches,
struct dmabuf_feedback_tranche, tranche) {
f = find_format(&tranche->formats, vk_format);
if (f)
break;
}
return f;
}
static void
surface_dmabuf_feedback_format_table(void *data,
struct zwp_linux_dmabuf_feedback_v1 *zwp_linux_dmabuf_feedback_v1,
int32_t fd, uint32_t size)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct dmabuf_feedback *feedback = &wsi_wl_surface->pending_dmabuf_feedback;
feedback->format_table.size = size;
feedback->format_table.data = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
close(fd);
}
static void
surface_dmabuf_feedback_main_device(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
struct wl_array *device)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct dmabuf_feedback *feedback = &wsi_wl_surface->pending_dmabuf_feedback;
memcpy(&feedback->main_device, device->data, sizeof(feedback->main_device));
}
static void
surface_dmabuf_feedback_tranche_target_device(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
struct wl_array *device)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct dmabuf_feedback *feedback = &wsi_wl_surface->pending_dmabuf_feedback;
memcpy(&feedback->pending_tranche.target_device, device->data,
sizeof(feedback->pending_tranche.target_device));
}
static void
surface_dmabuf_feedback_tranche_flags(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
uint32_t flags)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct dmabuf_feedback *feedback = &wsi_wl_surface->pending_dmabuf_feedback;
feedback->pending_tranche.flags = flags;
}
static void
surface_dmabuf_feedback_tranche_formats(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback,
struct wl_array *indices)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct dmabuf_feedback *feedback = &wsi_wl_surface->pending_dmabuf_feedback;
uint32_t format;
uint64_t modifier;
uint16_t *index;
/* Compositor may advertise or not a format table. If it does, we use it.
* Otherwise, we steal the most recent advertised format table. If we don't have
* a most recent advertised format table, compositor did something wrong. */
if (feedback->format_table.data == NULL) {
feedback->format_table = wsi_wl_surface->dmabuf_feedback.format_table;
dmabuf_feedback_format_table_init(&wsi_wl_surface->dmabuf_feedback.format_table);
}
if (feedback->format_table.data == MAP_FAILED ||
feedback->format_table.data == NULL)
return;
wl_array_for_each(index, indices) {
format = feedback->format_table.data[*index].format;
modifier = feedback->format_table.data[*index].modifier;
wsi_wl_display_add_drm_format_modifier(wsi_wl_surface->display,
&wsi_wl_surface->pending_dmabuf_feedback.pending_tranche.formats,
format, modifier);
}
}
static void
surface_dmabuf_feedback_tranche_done(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct dmabuf_feedback *feedback = &wsi_wl_surface->pending_dmabuf_feedback;
/* Add tranche to array of tranches. */
util_dynarray_append(&feedback->tranches, struct dmabuf_feedback_tranche,
feedback->pending_tranche);
dmabuf_feedback_tranche_init(&feedback->pending_tranche);
}
static bool
sets_of_modifiers_are_the_same(uint32_t num_drm_modifiers_A, const uint64_t *modifiers_A,
uint32_t num_drm_modifiers_B, const uint64_t *modifiers_B)
{
uint32_t i, j;
bool mod_found;
if (num_drm_modifiers_A != num_drm_modifiers_B)
return false;
for (i = 0; i < num_drm_modifiers_A; i++) {
mod_found = false;
for (j = 0; j < num_drm_modifiers_B; j++) {
if (modifiers_A[i] == modifiers_B[j]) {
mod_found = true;
break;
}
}
if (!mod_found)
return false;
}
return true;
}
static void
surface_dmabuf_feedback_done(void *data,
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback)
{
struct wsi_wl_surface *wsi_wl_surface = data;
struct wsi_wl_swapchain *chain = wsi_wl_surface->chain;
struct wsi_wl_format *f;
dmabuf_feedback_fini(&wsi_wl_surface->dmabuf_feedback);
wsi_wl_surface->dmabuf_feedback = wsi_wl_surface->pending_dmabuf_feedback;
dmabuf_feedback_init(&wsi_wl_surface->pending_dmabuf_feedback);
/* It's not just because we received dma-buf feedback that re-allocation is a
* good idea. In order to know if we should re-allocate or not, we must
* compare the most recent parameters that we used to allocate with the ones
* from the feedback we just received.
*
* The allocation parameters are: the format, its set of modifiers and the
* tranche flags. On WSI we are not using the tranche flags for anything, so
* we disconsider this. As we can't switch to another format (it is selected
* by the client), we just need to compare the set of modifiers.
*
* So we just look for the vk_format in the tranches (respecting their
* preferences), and compare its set of modifiers with the set of modifiers
* we've used to allocate previously. If they differ, we are using suboptimal
* parameters and should re-allocate.
*/
f = pick_format_from_surface_dmabuf_feedback(wsi_wl_surface, chain->vk_format);
if (f && !sets_of_modifiers_are_the_same(u_vector_length(&f->modifiers),
u_vector_tail(&f->modifiers),
chain->num_drm_modifiers,
chain->drm_modifiers))
wsi_wl_surface->chain->suboptimal = true;
}
static const struct zwp_linux_dmabuf_feedback_v1_listener
surface_dmabuf_feedback_listener = {
.format_table = surface_dmabuf_feedback_format_table,
.main_device = surface_dmabuf_feedback_main_device,
.tranche_target_device = surface_dmabuf_feedback_tranche_target_device,
.tranche_flags = surface_dmabuf_feedback_tranche_flags,
.tranche_formats = surface_dmabuf_feedback_tranche_formats,
.tranche_done = surface_dmabuf_feedback_tranche_done,
.done = surface_dmabuf_feedback_done,
};
static VkResult wsi_wl_surface_bind_to_dmabuf_feedback(struct wsi_wl_surface *wsi_wl_surface)
{
wsi_wl_surface->wl_dmabuf_feedback =
zwp_linux_dmabuf_v1_get_surface_feedback(wsi_wl_surface->display->wl_dmabuf,
wsi_wl_surface->surface);
zwp_linux_dmabuf_feedback_v1_add_listener(wsi_wl_surface->wl_dmabuf_feedback,
&surface_dmabuf_feedback_listener,
wsi_wl_surface);
if (dmabuf_feedback_init(&wsi_wl_surface->dmabuf_feedback) < 0)
goto fail;
if (dmabuf_feedback_init(&wsi_wl_surface->pending_dmabuf_feedback) < 0)
goto fail_pending;
return VK_SUCCESS;
fail_pending:
dmabuf_feedback_fini(&wsi_wl_surface->dmabuf_feedback);
fail:
zwp_linux_dmabuf_feedback_v1_destroy(wsi_wl_surface->wl_dmabuf_feedback);
wsi_wl_surface->wl_dmabuf_feedback = NULL;
return VK_ERROR_OUT_OF_HOST_MEMORY;
}
static VkResult wsi_wl_surface_init(struct wsi_wl_surface *wsi_wl_surface,
struct wsi_device *wsi_device)
{
struct wsi_wayland *wsi =
(struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
VkResult result;
/* wsi_wl_surface has already been initialized. */
if (wsi_wl_surface->display)
return VK_SUCCESS;
result = wsi_wl_display_create(wsi, wsi_wl_surface->base.display,
wsi_device->sw, &wsi_wl_surface->display);
if (result != VK_SUCCESS)
goto fail;
wsi_wl_surface->surface = wl_proxy_create_wrapper(wsi_wl_surface->base.surface);
if (!wsi_wl_surface->surface) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
wl_proxy_set_queue((struct wl_proxy *) wsi_wl_surface->surface,
wsi_wl_surface->display->queue);
/* Bind wsi_wl_surface to dma-buf feedback. */
if (wsi_wl_surface->display->wl_dmabuf &&
zwp_linux_dmabuf_v1_get_version(wsi_wl_surface->display->wl_dmabuf) >=
ZWP_LINUX_DMABUF_V1_GET_SURFACE_FEEDBACK_SINCE_VERSION) {
result = wsi_wl_surface_bind_to_dmabuf_feedback(wsi_wl_surface);
if (result != VK_SUCCESS)
goto fail;
wl_display_roundtrip_queue(wsi_wl_surface->display->wl_display,
wsi_wl_surface->display->queue);
}
return VK_SUCCESS;
fail:
return result;
}
VKAPI_ATTR VkResult VKAPI_CALL
wsi_CreateWaylandSurfaceKHR(VkInstance _instance,
const VkWaylandSurfaceCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkSurfaceKHR *pSurface)
{
VK_FROM_HANDLE(vk_instance, instance, _instance);
struct wsi_wl_surface *wsi_wl_surface;
VkIcdSurfaceWayland *surface;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
wsi_wl_surface = vk_zalloc2(&instance->alloc, pAllocator, sizeof *wsi_wl_surface,
8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (wsi_wl_surface == NULL)
return VK_ERROR_OUT_OF_HOST_MEMORY;
surface = &wsi_wl_surface->base;
surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
surface->display = pCreateInfo->display;
surface->surface = pCreateInfo->surface;
*pSurface = VkIcdSurfaceBase_to_handle(&surface->base);
return VK_SUCCESS;
}
static struct wsi_image *
wsi_wl_swapchain_get_wsi_image(struct wsi_swapchain *wsi_chain,
uint32_t image_index)
{
struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
return &chain->images[image_index].base;
}
static VkResult
wsi_wl_swapchain_acquire_next_image(struct wsi_swapchain *wsi_chain,
const VkAcquireNextImageInfoKHR *info,
uint32_t *image_index)
{
struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
struct wsi_wl_surface *wsi_wl_surface = chain->wsi_wl_surface;
struct timespec start_time, end_time;
struct timespec rel_timeout;
int wl_fd = wl_display_get_fd(wsi_wl_surface->display->wl_display);
timespec_from_nsec(&rel_timeout, info->timeout);
clock_gettime(CLOCK_MONOTONIC, &start_time);
timespec_add(&end_time, &rel_timeout, &start_time);
while (1) {
/* Try to dispatch potential events. */
int ret = wl_display_dispatch_queue_pending(wsi_wl_surface->display->wl_display,
wsi_wl_surface->display->queue);
if (ret < 0)
return VK_ERROR_OUT_OF_DATE_KHR;
/* Try to find a free image. */
for (uint32_t i = 0; i < chain->base.image_count; i++) {
if (!chain->images[i].busy) {
/* We found a non-busy image */
*image_index = i;
chain->images[i].busy = true;
return (chain->suboptimal ? VK_SUBOPTIMAL_KHR : VK_SUCCESS);
}
}
/* Check for timeout. */
struct timespec current_time;
clock_gettime(CLOCK_MONOTONIC, &current_time);
if (timespec_after(&current_time, &end_time))
return VK_NOT_READY;
/* Try to read events from the server. */
ret = wl_display_prepare_read_queue(wsi_wl_surface->display->wl_display,
wsi_wl_surface->display->queue);
if (ret < 0) {
/* Another thread might have read events for our queue already. Go
* back to dispatch them.
*/
if (errno == EAGAIN)
continue;
return VK_ERROR_OUT_OF_DATE_KHR;
}
struct pollfd pollfd = {
.fd = wl_fd,
.events = POLLIN
};
timespec_sub(&rel_timeout, &end_time, &current_time);
ret = ppoll(&pollfd, 1, &rel_timeout, NULL);
if (ret <= 0) {
int lerrno = errno;
wl_display_cancel_read(wsi_wl_surface->display->wl_display);
if (ret < 0) {
/* If ppoll() was interrupted, try again. */
if (lerrno == EINTR || lerrno == EAGAIN)
continue;
return VK_ERROR_OUT_OF_DATE_KHR;
}
assert(ret == 0);
continue;
}
ret = wl_display_read_events(wsi_wl_surface->display->wl_display);
if (ret < 0)
return VK_ERROR_OUT_OF_DATE_KHR;
}
}
static void
frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
{
struct wsi_wl_swapchain *chain = data;
chain->frame = NULL;
chain->fifo_ready = true;
wl_callback_destroy(callback);
}
static const struct wl_callback_listener frame_listener = {
frame_handle_done,
};
static VkResult
wsi_wl_swapchain_queue_present(struct wsi_swapchain *wsi_chain,
uint32_t image_index,
const VkPresentRegionKHR *damage)
{
struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
struct wsi_wl_surface *wsi_wl_surface = chain->wsi_wl_surface;
if (chain->buffer_type == WSI_WL_BUFFER_SHM_MEMCPY) {
struct wsi_wl_image *image = &chain->images[image_index];
memcpy(image->shm_ptr, image->base.cpu_map,
image->base.row_pitches[0] * chain->extent.height);
}
if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
while (!chain->fifo_ready) {
int ret = wl_display_dispatch_queue(wsi_wl_surface->display->wl_display,
wsi_wl_surface->display->queue);
if (ret < 0)
return VK_ERROR_OUT_OF_DATE_KHR;
}
}
assert(image_index < chain->base.image_count);
wl_surface_attach(wsi_wl_surface->surface, chain->images[image_index].buffer, 0, 0);
if (wl_surface_get_version(wsi_wl_surface->surface) >= 4 && damage &&
damage->pRectangles && damage->rectangleCount > 0) {
for (unsigned i = 0; i < damage->rectangleCount; i++) {
const VkRectLayerKHR *rect = &damage->pRectangles[i];
assert(rect->layer == 0);
wl_surface_damage_buffer(wsi_wl_surface->surface,
rect->offset.x, rect->offset.y,
rect->extent.width, rect->extent.height);
}
} else {
wl_surface_damage(wsi_wl_surface->surface, 0, 0, INT32_MAX, INT32_MAX);
}
if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
chain->frame = wl_surface_frame(wsi_wl_surface->surface);
wl_callback_add_listener(chain->frame, &frame_listener, chain);
chain->fifo_ready = false;
}
chain->images[image_index].busy = true;
wl_surface_commit(wsi_wl_surface->surface);
wl_display_flush(wsi_wl_surface->display->wl_display);
return VK_SUCCESS;
}
static void
buffer_handle_release(void *data, struct wl_buffer *buffer)
{
struct wsi_wl_image *image = data;
assert(image->buffer == buffer);
image->busy = false;
}
static const struct wl_buffer_listener buffer_listener = {
buffer_handle_release,
};
static uint8_t *
wsi_wl_alloc_image_shm(struct wsi_image *imagew, unsigned size)
{
struct wsi_wl_image *image = (struct wsi_wl_image *)imagew;
/* Create a shareable buffer */
int fd = os_create_anonymous_file(size, NULL);
if (fd < 0)
return NULL;
void *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (ptr == MAP_FAILED) {
close(fd);
return NULL;
}
image->shm_fd = fd;
image->shm_ptr = ptr;
image->shm_size = size;
return ptr;
}
static VkResult
wsi_wl_image_init(struct wsi_wl_swapchain *chain,
struct wsi_wl_image *image,
const VkSwapchainCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks* pAllocator)
{
struct wsi_wl_display *display = chain->wsi_wl_surface->display;
VkResult result;
result = wsi_create_image(&chain->base, &chain->base.image_info,
&image->base);
if (result != VK_SUCCESS)
return result;
switch (chain->buffer_type) {
case WSI_WL_BUFFER_GPU_SHM:
case WSI_WL_BUFFER_SHM_MEMCPY: {
if (chain->buffer_type == WSI_WL_BUFFER_SHM_MEMCPY) {
wsi_wl_alloc_image_shm(&image->base, image->base.row_pitches[0] *
chain->extent.height);
}
assert(image->shm_ptr != NULL);
/* Share it in a wl_buffer */
struct wl_shm_pool *pool = wl_shm_create_pool(display->wl_shm,
image->shm_fd,
image->shm_size);
wl_proxy_set_queue((struct wl_proxy *)pool, display->queue);
image->buffer = wl_shm_pool_create_buffer(pool, 0, chain->extent.width,
chain->extent.height,
image->base.row_pitches[0],
chain->shm_format);
wl_shm_pool_destroy(pool);
break;
}
case WSI_WL_BUFFER_NATIVE: {
assert(display->wl_dmabuf);
struct zwp_linux_buffer_params_v1 *params =
zwp_linux_dmabuf_v1_create_params(display->wl_dmabuf);
if (!params)
goto fail_image;
for (int i = 0; i < image->base.num_planes; i++) {
zwp_linux_buffer_params_v1_add(params,
image->base.dma_buf_fd,
i,
image->base.offsets[i],
image->base.row_pitches[i],
image->base.drm_modifier >> 32,
image->base.drm_modifier & 0xffffffff);
}
image->buffer =
zwp_linux_buffer_params_v1_create_immed(params,
chain->extent.width,
chain->extent.height,
chain->drm_format,
0);
zwp_linux_buffer_params_v1_destroy(params);
break;
}
default:
unreachable("Invalid buffer type");
}
if (!image->buffer)
goto fail_image;
wl_buffer_add_listener(image->buffer, &buffer_listener, image);
return VK_SUCCESS;
fail_image:
wsi_destroy_image(&chain->base, &image->base);
return VK_ERROR_OUT_OF_HOST_MEMORY;
}
static void
wsi_wl_swapchain_images_free(struct wsi_wl_swapchain *chain)
{
for (uint32_t i = 0; i < chain->base.image_count; i++) {
if (chain->images[i].buffer) {
wl_buffer_destroy(chain->images[i].buffer);
wsi_destroy_image(&chain->base, &chain->images[i].base);
if (chain->images[i].shm_size) {
close(chain->images[i].shm_fd);
munmap(chain->images[i].shm_ptr, chain->images[i].shm_size);
}
}
}
}
static void
wsi_wl_swapchain_chain_free(struct wsi_wl_swapchain *chain,
const VkAllocationCallbacks *pAllocator)
{
if (chain->frame)
wl_callback_destroy(chain->frame);
if (chain->wsi_wl_surface)
chain->wsi_wl_surface->chain = NULL;
wsi_swapchain_finish(&chain->base);
vk_free(pAllocator, chain);
}
static VkResult
wsi_wl_swapchain_destroy(struct wsi_swapchain *wsi_chain,
const VkAllocationCallbacks *pAllocator)
{
struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
wsi_wl_swapchain_images_free(chain);
wsi_wl_swapchain_chain_free(chain, pAllocator);
return VK_SUCCESS;
}
static VkResult
wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
VkDevice device,
struct wsi_device *wsi_device,
const VkSwapchainCreateInfoKHR* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
struct wsi_swapchain **swapchain_out)
{
struct wsi_wl_surface *wsi_wl_surface =
wl_container_of((VkIcdSurfaceWayland *)icd_surface, wsi_wl_surface, base);
struct wsi_wl_swapchain *chain;
VkResult result;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
int num_images = pCreateInfo->minImageCount;
size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
chain = vk_zalloc(pAllocator, size, 8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (chain == NULL)
return VK_ERROR_OUT_OF_HOST_MEMORY;
/* We are taking ownership of the wsi_wl_surface, so remove ownership from
* oldSwapchain.
*
* If the surface is currently owned by a swapchain that is not
* oldSwapchain we should return VK_ERROR_NATIVE_WINDOW_IN_USE_KHR. There's
* an open issue tracking that:
*
* https://gitlab.freedesktop.org/mesa/mesa/-/issues/7467
*/
if (pCreateInfo->oldSwapchain) {
VK_FROM_HANDLE(wsi_wl_swapchain, old_chain, pCreateInfo->oldSwapchain);
old_chain->wsi_wl_surface = NULL;
}
/* Take ownership of the wsi_wl_surface */
chain->wsi_wl_surface = wsi_wl_surface;
wsi_wl_surface->chain = chain;
result = wsi_wl_surface_init(wsi_wl_surface, wsi_device);
if (result != VK_SUCCESS)
goto fail;
enum wsi_wl_buffer_type buffer_type;
struct wsi_base_image_params *image_params = NULL;
struct wsi_cpu_image_params cpu_image_params;
struct wsi_drm_image_params drm_image_params;
uint32_t num_drm_modifiers = 0;
const uint64_t *drm_modifiers = NULL;
if (wsi_device->sw) {
cpu_image_params = (struct wsi_cpu_image_params) {
.base.image_type = WSI_IMAGE_TYPE_CPU,
};
if (wsi_device->has_import_memory_host &&
!(WSI_DEBUG & WSI_DEBUG_NOSHM)) {
buffer_type = WSI_WL_BUFFER_GPU_SHM;
cpu_image_params.alloc_shm = wsi_wl_alloc_image_shm;
} else {
buffer_type = WSI_WL_BUFFER_SHM_MEMCPY;
}
image_params = &cpu_image_params.base;
} else {
drm_image_params = (struct wsi_drm_image_params) {
.base.image_type = WSI_IMAGE_TYPE_DRM,
.same_gpu = wsi_wl_surface->display->same_gpu,
};
/* Use explicit DRM format modifiers when both the server and the driver
* support them.
*/
if (wsi_wl_surface->display->wl_dmabuf && wsi_device->supports_modifiers) {
struct wsi_wl_format *f = NULL;
/* Try to select modifiers for our vk_format from surface dma-buf
* feedback. If that doesn't work, fallback to the list of supported
* formats/modifiers by the display. */
if (wsi_wl_surface->wl_dmabuf_feedback)
f = pick_format_from_surface_dmabuf_feedback(wsi_wl_surface,
pCreateInfo->imageFormat);
if (f == NULL)
f = find_format(&chain->wsi_wl_surface->display->formats,
pCreateInfo->imageFormat);
if (f != NULL) {
num_drm_modifiers = u_vector_length(&f->modifiers);
drm_modifiers = u_vector_tail(&f->modifiers);
if (num_drm_modifiers > 0)
drm_image_params.num_modifier_lists = 1;
else
drm_image_params.num_modifier_lists = 0;
drm_image_params.num_modifiers = &num_drm_modifiers;
drm_image_params.modifiers = &drm_modifiers;
}
}
buffer_type = WSI_WL_BUFFER_NATIVE;
image_params = &drm_image_params.base;
}
result = wsi_swapchain_init(wsi_device, &chain->base, device,
pCreateInfo, image_params, pAllocator);
if (result != VK_SUCCESS) {
vk_free(pAllocator, chain);
return result;
}
bool alpha = pCreateInfo->compositeAlpha ==
VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
chain->base.destroy = wsi_wl_swapchain_destroy;
chain->base.get_wsi_image = wsi_wl_swapchain_get_wsi_image;
chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
chain->base.queue_present = wsi_wl_swapchain_queue_present;
chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo);
chain->base.image_count = num_images;
chain->extent = pCreateInfo->imageExtent;
chain->vk_format = pCreateInfo->imageFormat;
chain->buffer_type = buffer_type;
if (buffer_type == WSI_WL_BUFFER_NATIVE) {
chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, alpha);
} else {
chain->shm_format = wl_shm_format_for_vk_format(chain->vk_format, alpha);
}
chain->num_drm_modifiers = num_drm_modifiers;
chain->drm_modifiers = drm_modifiers;
chain->fifo_ready = true;
for (uint32_t i = 0; i < chain->base.image_count; i++) {
result = wsi_wl_image_init(chain, &chain->images[i],
pCreateInfo, pAllocator);
if (result != VK_SUCCESS)
goto fail_image_init;
chain->images[i].busy = false;
}
*swapchain_out = &chain->base;
return VK_SUCCESS;
fail_image_init:
wsi_wl_swapchain_images_free(chain);
fail:
wsi_wl_swapchain_chain_free(chain, pAllocator);
return result;
}
VkResult
wsi_wl_init_wsi(struct wsi_device *wsi_device,
const VkAllocationCallbacks *alloc,
VkPhysicalDevice physical_device)
{
struct wsi_wayland *wsi;
VkResult result;
wsi = vk_alloc(alloc, sizeof(*wsi), 8,
VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
if (!wsi) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
wsi->physical_device = physical_device;
wsi->alloc = alloc;
wsi->wsi = wsi_device;
wsi->base.get_support = wsi_wl_surface_get_support;
wsi->base.get_capabilities2 = wsi_wl_surface_get_capabilities2;
wsi->base.get_formats = wsi_wl_surface_get_formats;
wsi->base.get_formats2 = wsi_wl_surface_get_formats2;
wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
wsi->base.get_present_rectangles = wsi_wl_surface_get_present_rectangles;
wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;
return VK_SUCCESS;
fail:
wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;
return result;
}
void
wsi_wl_finish_wsi(struct wsi_device *wsi_device,
const VkAllocationCallbacks *alloc)
{
struct wsi_wayland *wsi =
(struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
if (!wsi)
return;
vk_free(alloc, wsi);
}