Mesa (main): vulkan/wsi/wl: add wl_shm support for lavapipe.
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gitlab-mirror at kemper.freedesktop.org
Mon Jul 12 20:56:20 UTC 2021
Module: Mesa
Branch: main
Commit: 6b36f35734a9ffa2c6fde475933eb46d7f4fb6f4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6b36f35734a9ffa2c6fde475933eb46d7f4fb6f4
Author: Dave Airlie <airlied at redhat.com>
Date: Mon Jul 12 10:29:28 2021 +1000
vulkan/wsi/wl: add wl_shm support for lavapipe.
This adds swrast support for rendering from lavapipe.
Reviewed-by: Daniel Stone <daniels at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11819>
---
src/vulkan/wsi/wsi_common_wayland.c | 164 +++++++++++++++++++++++++++++++++---
1 file changed, 153 insertions(+), 11 deletions(-)
diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c
index 67786e22881..b37163de04c 100644
--- a/src/vulkan/wsi/wsi_common_wayland.c
+++ b/src/vulkan/wsi/wsi_common_wayland.c
@@ -31,6 +31,7 @@
#include <string.h>
#include <pthread.h>
#include <poll.h>
+#include <sys/mman.h>
#include "drm-uapi/drm_fourcc.h"
@@ -44,9 +45,15 @@
#include <util/hash_table.h>
#include <util/timespec.h>
#include <util/u_vector.h>
+#include <util/anon_file.h>
struct wsi_wayland;
+struct wsi_wl_display_swrast {
+ struct wl_shm * wl_shm;
+ struct u_vector formats;
+};
+
struct wsi_wl_display_drm {
struct wl_drm * wl_drm;
struct u_vector formats;
@@ -69,6 +76,7 @@ struct wsi_wl_display {
struct wl_display * wl_display_wrapper;
struct wl_event_queue * queue;
+ struct wsi_wl_display_swrast swrast;
struct wsi_wl_display_drm drm;
struct wsi_wl_display_dmabuf dmabuf;
@@ -79,6 +87,8 @@ struct wsi_wl_display {
/* Only used for displays created by wsi_wl_display_create */
uint32_t refcount;
+
+ bool sw;
};
struct wsi_wayland {
@@ -218,6 +228,40 @@ wsi_wl_display_add_wl_format(struct wsi_wl_display *display,
}
}
+static void
+wsi_wl_display_add_wl_shm_format(struct wsi_wl_display *display,
+ struct u_vector *formats,
+ uint32_t wl_shm_format)
+{
+ switch (wl_shm_format) {
+ case WL_SHM_FORMAT_XBGR8888:
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_R8G8B8_SRGB);
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_R8G8B8_UNORM);
+ FALLTHROUGH;
+ case WL_SHM_FORMAT_ABGR8888:
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_R8G8B8A8_SRGB);
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_R8G8B8A8_UNORM);
+ break;
+ case WL_SHM_FORMAT_XRGB8888:
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_B8G8R8_SRGB);
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_B8G8R8_UNORM);
+ FALLTHROUGH;
+ case WL_SHM_FORMAT_ARGB8888:
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_B8G8R8A8_SRGB);
+ wsi_wl_display_add_vk_format(display, formats,
+ VK_FORMAT_B8G8R8A8_UNORM);
+ break;
+ }
+}
+
+
static void
drm_handle_device(void *data, struct wl_drm *drm, const char *name)
{
@@ -272,6 +316,23 @@ wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
}
}
+static uint32_t
+wl_shm_format_for_vk_format(VkFormat vk_format, bool alpha)
+{
+ switch (vk_format) {
+ case VK_FORMAT_R8G8B8A8_UNORM:
+ case VK_FORMAT_R8G8B8A8_SRGB:
+ return alpha ? WL_SHM_FORMAT_ABGR8888 : WL_SHM_FORMAT_XBGR8888;
+ case VK_FORMAT_B8G8R8A8_UNORM:
+ case VK_FORMAT_B8G8R8A8_SRGB:
+ return alpha ? WL_SHM_FORMAT_ARGB8888 : WL_SHM_FORMAT_XRGB8888;
+
+ default:
+ assert(!"Unsupported Vulkan format");
+ return 0;
+ }
+}
+
static void
drm_handle_format(void *data, struct wl_drm *drm, uint32_t wl_format)
{
@@ -353,12 +414,31 @@ static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
dmabuf_handle_modifier,
};
+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->swrast.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") == 0) {
+ display->swrast.wl_shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
+ wl_shm_add_listener(display->swrast.wl_shm, &shm_listener, display);
+ }
+ return;
+ }
+
if (strcmp(interface, "wl_drm") == 0) {
assert(display->drm.wl_drm == NULL);
@@ -389,10 +469,13 @@ wsi_wl_display_finish(struct wsi_wl_display *display)
{
assert(display->refcount == 0);
+ u_vector_finish(&display->swrast.formats);
u_vector_finish(&display->drm.formats);
u_vector_finish(&display->dmabuf.formats);
u_vector_finish(&display->dmabuf.modifiers.argb8888);
u_vector_finish(&display->dmabuf.modifiers.xrgb8888);
+ if (display->swrast.wl_shm)
+ wl_shm_destroy(display->swrast.wl_shm);
if (display->drm.wl_drm)
wl_drm_destroy(display->drm.wl_drm);
if (display->dmabuf.wl_dmabuf)
@@ -407,16 +490,18 @@ 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 get_format_list, bool sw)
{
VkResult result = VK_SUCCESS;
memset(display, 0, sizeof(*display));
display->wsi_wl = wsi_wl;
display->wl_display = wl_display;
+ display->sw = sw;
if (get_format_list) {
- if (!u_vector_init(&display->drm.formats, sizeof(VkFormat), 8) ||
+ if (!u_vector_init(&display->swrast.formats, sizeof(VkFormat), 8) ||
+ !u_vector_init(&display->drm.formats, sizeof(VkFormat), 8) ||
!u_vector_init(&display->dmabuf.formats, sizeof(VkFormat), 8) ||
!u_vector_init(&display->dmabuf.modifiers.argb8888,
sizeof(uint64_t), 32) ||
@@ -455,7 +540,7 @@ wsi_wl_display_init(struct wsi_wayland *wsi_wl,
wl_display_roundtrip_queue(display->wl_display, display->queue);
/* Round-trip again to get formats, modifiers and capabilities */
- if (display->drm.wl_drm || display->dmabuf.wl_dmabuf)
+ if (display->drm.wl_drm || display->dmabuf.wl_dmabuf || display->swrast.wl_shm)
wl_display_roundtrip_queue(display->wl_display, display->queue);
if (wsi_wl->wsi->force_bgra8_unorm_first) {
@@ -474,7 +559,9 @@ wsi_wl_display_init(struct wsi_wayland *wsi_wl,
}
/* Prefer the linux-dmabuf protocol if available */
- if (display->dmabuf.wl_dmabuf) {
+ if (display->sw)
+ display->formats = &display->swrast.formats;
+ else if (display->dmabuf.wl_dmabuf) {
display->formats = &display->dmabuf.formats;
} else if (display->drm.wl_drm &&
(display->drm.capabilities & WL_DRM_CAPABILITY_PRIME)) {
@@ -505,6 +592,7 @@ fail:
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 =
@@ -513,7 +601,8 @@ wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display,
if (!display)
return VK_ERROR_OUT_OF_HOST_MEMORY;
- VkResult result = wsi_wl_display_init(wsi, display, wl_display, true);
+ VkResult result = wsi_wl_display_init(wsi, display, wl_display, true,
+ sw);
if (result != VK_SUCCESS) {
vk_free(wsi->alloc, display);
return result;
@@ -551,7 +640,8 @@ wsi_wl_get_presentation_support(struct wsi_device *wsi_device,
(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);
+ VkResult ret = wsi_wl_display_init(wsi, &display, wl_display, false,
+ wsi_device->sw);
if (ret == VK_SUCCESS)
wsi_wl_display_finish(&display);
@@ -654,7 +744,8 @@ wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
(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))
+ if (wsi_wl_display_init(wsi, &display, surface->display, true,
+ wsi_device->sw))
return VK_ERROR_SURFACE_LOST_KHR;
VK_OUTARRAY_MAKE(out, pSurfaceFormats, pSurfaceFormatCount);
@@ -684,7 +775,8 @@ wsi_wl_surface_get_formats2(VkIcdSurfaceBase *icd_surface,
(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))
+ if (wsi_wl_display_init(wsi, &display, surface->display, true,
+ wsi_device->sw))
return VK_ERROR_SURFACE_LOST_KHR;
VK_OUTARRAY_MAKE(out, pSurfaceFormats, pSurfaceFormatCount);
@@ -764,6 +856,8 @@ struct wsi_wl_image {
struct wsi_image base;
struct wl_buffer * buffer;
bool busy;
+ void *data_ptr;
+ uint32_t data_size;
};
struct wsi_wl_swapchain {
@@ -778,6 +872,7 @@ struct wsi_wl_swapchain {
VkExtent2D extent;
VkFormat vk_format;
uint32_t drm_format;
+ uint32_t shm_format;
uint32_t num_drm_modifiers;
const uint64_t * drm_modifiers;
@@ -895,6 +990,23 @@ wsi_wl_swapchain_queue_present(struct wsi_swapchain *wsi_chain,
{
struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
+ if (chain->display->sw) {
+ struct wsi_wl_image *image = &chain->images[image_index];
+ void *dptr = image->data_ptr;
+ void *sptr;
+ chain->base.wsi->MapMemory(chain->base.device,
+ image->base.memory,
+ 0, 0, 0, &sptr);
+
+ for (unsigned r = 0; r < chain->extent.height; r++) {
+ memcpy(dptr, sptr, image->base.row_pitches[0]);
+ dptr += image->base.row_pitches[0];
+ sptr += image->base.row_pitches[0];
+ }
+ chain->base.wsi->UnmapMemory(chain->base.device,
+ image->base.memory);
+
+ }
if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
while (!chain->fifo_ready) {
int ret = wl_display_dispatch_queue(chain->display->wl_display,
@@ -964,7 +1076,31 @@ wsi_wl_image_init(struct wsi_wl_swapchain *chain,
if (result != VK_SUCCESS)
return result;
- if (display->dmabuf.wl_dmabuf) {
+ if (display->sw) {
+ int fd, stride;
+
+ stride = image->base.row_pitches[0];
+ image->data_size = stride * chain->extent.height;
+
+ /* Create a shareable buffer */
+ fd = os_create_anonymous_file(image->data_size, NULL);
+ if (fd < 0)
+ goto fail_image;
+
+ image->data_ptr = mmap(NULL, image->data_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (image->data_ptr == MAP_FAILED) {
+ close(fd);
+ goto fail_image;
+ }
+ /* Share it in a wl_buffer */
+ struct wl_shm_pool *pool = wl_shm_create_pool(display->swrast.wl_shm, fd, image->data_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, stride,
+ chain->shm_format);
+ wl_shm_pool_destroy(pool);
+ close(fd);
+ } else if (display->dmabuf.wl_dmabuf) {
struct zwp_linux_buffer_params_v1 *params =
zwp_linux_dmabuf_v1_create_params(display->dmabuf.wl_dmabuf);
if (!params)
@@ -1028,6 +1164,8 @@ wsi_wl_swapchain_destroy(struct wsi_swapchain *wsi_chain,
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].data_ptr)
+ munmap(chain->images[i].data_ptr, chain->images[i].data_size);
}
}
@@ -1096,7 +1234,10 @@ wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
chain->base.image_count = num_images;
chain->extent = pCreateInfo->imageExtent;
chain->vk_format = pCreateInfo->imageFormat;
- chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, alpha);
+ if (wsi_device->sw)
+ chain->shm_format = wl_shm_format_for_vk_format(chain->vk_format, alpha);
+ else
+ chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, alpha);
if (pCreateInfo->oldSwapchain) {
/* If we have an oldSwapchain parameter, copy the display struct over
@@ -1106,7 +1247,8 @@ wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
chain->display = wsi_wl_display_ref(old_chain->display);
} else {
chain->display = NULL;
- result = wsi_wl_display_create(wsi, surface->display, &chain->display);
+ result = wsi_wl_display_create(wsi, surface->display,
+ wsi_device->sw, &chain->display);
if (result != VK_SUCCESS)
goto fail;
}
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