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wlseeds/render/vulkan/renderer.c

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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <fcntl.h>
#include <math.h>
#include <poll.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <unistd.h>
#include <drm_fourcc.h>
#include <vulkan/vulkan.h>
#include <wlr/render/interface.h>
#include <wlr/types/wlr_drm.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/box.h>
#include <wlr/util/log.h>
#include <wlr/render/vulkan.h>
#include <wlr/backend/interface.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h>
#include "render/dmabuf.h"
#include "render/pixel_format.h"
#include "render/vulkan.h"
#include "render/vulkan/shaders/common.vert.h"
#include "render/vulkan/shaders/texture.frag.h"
#include "render/vulkan/shaders/quad.frag.h"
#include "types/wlr_buffer.h"
#include "types/wlr_matrix.h"
// TODO:
// - simplify stage allocation, don't track allocations but use ringbuffer-like
// - use a pipeline cache (not sure when to save though, after every pipeline
// creation?)
// - create pipelines as derivatives of each other
// - evaluate if creating VkDeviceMemory pools is a good idea.
// We can expect wayland client images to be fairly large (and shouldn't
// have more than 4k of those I guess) but pooling memory allocations
// might still be a good idea.
static const VkDeviceSize min_stage_size = 1024 * 1024; // 1MB
static const VkDeviceSize max_stage_size = 256 * min_stage_size; // 256MB
static const size_t start_descriptor_pool_size = 256u;
static bool default_debug = true;
static const struct wlr_renderer_impl renderer_impl;
bool wlr_renderer_is_vk(struct wlr_renderer *wlr_renderer) {
return wlr_renderer->impl == &renderer_impl;
}
struct wlr_vk_renderer *vulkan_get_renderer(struct wlr_renderer *wlr_renderer) {
assert(wlr_renderer_is_vk(wlr_renderer));
return (struct wlr_vk_renderer *)wlr_renderer;
}
static struct wlr_vk_render_format_setup *find_or_create_render_setup(
struct wlr_vk_renderer *renderer, VkFormat format);
// vertex shader push constant range data
struct vert_pcr_data {
float mat4[4][4];
float uv_off[2];
float uv_size[2];
};
// https://www.w3.org/Graphics/Color/srgb
static float color_to_linear(float non_linear) {
return (non_linear > 0.04045) ?
pow((non_linear + 0.055) / 1.055, 2.4) :
non_linear / 12.92;
}
// renderer
// util
static void mat3_to_mat4(const float mat3[9], float mat4[4][4]) {
memset(mat4, 0, sizeof(float) * 16);
mat4[0][0] = mat3[0];
mat4[0][1] = mat3[1];
mat4[0][3] = mat3[2];
mat4[1][0] = mat3[3];
mat4[1][1] = mat3[4];
mat4[1][3] = mat3[5];
mat4[2][2] = 1.f;
mat4[3][3] = 1.f;
}
struct wlr_vk_descriptor_pool *vulkan_alloc_texture_ds(
struct wlr_vk_renderer *renderer, VkDescriptorSetLayout ds_layout,
VkDescriptorSet *ds) {
VkResult res;
bool found = false;
struct wlr_vk_descriptor_pool *pool;
wl_list_for_each(pool, &renderer->descriptor_pools, link) {
if (pool->free > 0) {
found = true;
break;
}
}
if (!found) { // create new pool
pool = calloc(1, sizeof(*pool));
if (!pool) {
wlr_log_errno(WLR_ERROR, "allocation failed");
return NULL;
}
size_t count = 2 * renderer->last_pool_size;
if (!count) {
count = start_descriptor_pool_size;
}
pool->free = count;
VkDescriptorPoolSize pool_size = {
.descriptorCount = count,
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
};
VkDescriptorPoolCreateInfo dpool_info = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
.maxSets = count,
.poolSizeCount = 1,
.pPoolSizes = &pool_size,
.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
};
res = vkCreateDescriptorPool(renderer->dev->dev, &dpool_info, NULL,
&pool->pool);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateDescriptorPool", res);
free(pool);
return NULL;
}
renderer->last_pool_size = count;
wl_list_insert(&renderer->descriptor_pools, &pool->link);
}
VkDescriptorSetAllocateInfo ds_info = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
.descriptorSetCount = 1,
.pSetLayouts = &ds_layout,
.descriptorPool = pool->pool,
};
res = vkAllocateDescriptorSets(renderer->dev->dev, &ds_info, ds);
if (res != VK_SUCCESS) {
wlr_vk_error("vkAllocateDescriptorSets", res);
return NULL;
}
--pool->free;
return pool;
}
void vulkan_free_ds(struct wlr_vk_renderer *renderer,
struct wlr_vk_descriptor_pool *pool, VkDescriptorSet ds) {
vkFreeDescriptorSets(renderer->dev->dev, pool->pool, 1, &ds);
++pool->free;
}
static void destroy_render_format_setup(struct wlr_vk_renderer *renderer,
struct wlr_vk_render_format_setup *setup) {
if (!setup) {
return;
}
VkDevice dev = renderer->dev->dev;
vkDestroyRenderPass(dev, setup->render_pass, NULL);
vkDestroyPipeline(dev, setup->tex_identity_pipe, NULL);
vkDestroyPipeline(dev, setup->tex_srgb_pipe, NULL);
vkDestroyPipeline(dev, setup->tex_nv12_pipe, NULL);
vkDestroyPipeline(dev, setup->quad_pipe, NULL);
}
static void shared_buffer_destroy(struct wlr_vk_renderer *r,
struct wlr_vk_shared_buffer *buffer) {
if (!buffer) {
return;
}
if (buffer->allocs.size > 0) {
wlr_log(WLR_ERROR, "shared_buffer_finish: %zu allocations left",
buffer->allocs.size / sizeof(struct wlr_vk_allocation));
}
wl_array_release(&buffer->allocs);
if (buffer->buffer) {
vkDestroyBuffer(r->dev->dev, buffer->buffer, NULL);
}
if (buffer->memory) {
vkFreeMemory(r->dev->dev, buffer->memory, NULL);
}
wl_list_remove(&buffer->link);
free(buffer);
}
struct wlr_vk_buffer_span vulkan_get_stage_span(struct wlr_vk_renderer *r,
VkDeviceSize size, VkDeviceSize alignment) {
// try to find free span
// simple greedy allocation algorithm - should be enough for this usecase
// since all allocations are freed together after the frame
struct wlr_vk_shared_buffer *buf;
wl_list_for_each_reverse(buf, &r->stage.buffers, link) {
VkDeviceSize start = 0u;
if (buf->allocs.size > 0) {
const struct wlr_vk_allocation *allocs = buf->allocs.data;
size_t allocs_len = buf->allocs.size / sizeof(struct wlr_vk_allocation);
const struct wlr_vk_allocation *last = &allocs[allocs_len - 1];
start = last->start + last->size;
}
assert(start <= buf->buf_size);
// ensure the proposed start is a multiple of alignment
start += alignment - 1 - ((start + alignment - 1) % alignment);
if (buf->buf_size - start < size) {
continue;
}
struct wlr_vk_allocation *a = wl_array_add(&buf->allocs, sizeof(*a));
if (a == NULL) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
goto error_alloc;
}
*a = (struct wlr_vk_allocation){
.start = start,
.size = size,
};
return (struct wlr_vk_buffer_span) {
.buffer = buf,
.alloc = *a,
};
}
if (size > max_stage_size) {
wlr_log(WLR_ERROR, "cannot vulkan stage buffer: "
"requested size (%zu bytes) exceeds maximum (%zu bytes)",
(size_t)size, (size_t)max_stage_size);
goto error_alloc;
}
// we didn't find a free buffer - create one
// size = clamp(max(size * 2, prev_size * 2), min_size, max_size)
VkDeviceSize bsize = size * 2;
bsize = bsize < min_stage_size ? min_stage_size : bsize;
if (!wl_list_empty(&r->stage.buffers)) {
struct wl_list *last_link = r->stage.buffers.prev;
struct wlr_vk_shared_buffer *prev = wl_container_of(
last_link, prev, link);
VkDeviceSize last_size = 2 * prev->buf_size;
bsize = bsize < last_size ? last_size : bsize;
}
if (bsize > max_stage_size) {
wlr_log(WLR_INFO, "vulkan stage buffers have reached max size");
bsize = max_stage_size;
}
// create buffer
buf = calloc(1, sizeof(*buf));
if (!buf) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
goto error_alloc;
}
VkResult res;
VkBufferCreateInfo buf_info = {
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.size = bsize,
.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT |
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
};
res = vkCreateBuffer(r->dev->dev, &buf_info, NULL, &buf->buffer);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateBuffer", res);
goto error;
}
VkMemoryRequirements mem_reqs;
vkGetBufferMemoryRequirements(r->dev->dev, buf->buffer, &mem_reqs);
int mem_type_index = vulkan_find_mem_type(r->dev,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, mem_reqs.memoryTypeBits);
if (mem_type_index < 0) {
wlr_log(WLR_ERROR, "Failed to find memory type");
goto error;
}
VkMemoryAllocateInfo mem_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.allocationSize = mem_reqs.size,
.memoryTypeIndex = (uint32_t)mem_type_index,
};
res = vkAllocateMemory(r->dev->dev, &mem_info, NULL, &buf->memory);
if (res != VK_SUCCESS) {
wlr_vk_error("vkAllocatorMemory", res);
goto error;
}
res = vkBindBufferMemory(r->dev->dev, buf->buffer, buf->memory, 0);
if (res != VK_SUCCESS) {
wlr_vk_error("vkBindBufferMemory", res);
goto error;
}
struct wlr_vk_allocation *a = wl_array_add(&buf->allocs, sizeof(*a));
if (a == NULL) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
goto error;
}
wlr_log(WLR_DEBUG, "Created new vk staging buffer of size %" PRIu64, bsize);
buf->buf_size = bsize;
wl_list_insert(&r->stage.buffers, &buf->link);
*a = (struct wlr_vk_allocation){
.start = 0,
.size = size,
};
return (struct wlr_vk_buffer_span) {
.buffer = buf,
.alloc = *a,
};
error:
shared_buffer_destroy(r, buf);
error_alloc:
return (struct wlr_vk_buffer_span) {
.buffer = NULL,
.alloc = (struct wlr_vk_allocation) {0, 0},
};
}
static struct wlr_vk_command_buffer *acquire_command_buffer(
struct wlr_vk_renderer *renderer);
static uint64_t end_command_buffer(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer);
static bool wait_command_buffer(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer);
VkCommandBuffer vulkan_record_stage_cb(struct wlr_vk_renderer *renderer) {
if (renderer->stage.cb == NULL) {
renderer->stage.cb = acquire_command_buffer(renderer);
if (renderer->stage.cb == NULL) {
return VK_NULL_HANDLE;
}
VkCommandBufferBeginInfo begin_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
};
vkBeginCommandBuffer(renderer->stage.cb->vk, &begin_info);
}
return renderer->stage.cb->vk;
}
bool vulkan_submit_stage_wait(struct wlr_vk_renderer *renderer) {
if (renderer->stage.cb == NULL) {
return false;
}
struct wlr_vk_command_buffer *cb = renderer->stage.cb;
renderer->stage.cb = NULL;
uint64_t timeline_point = end_command_buffer(cb, renderer);
if (timeline_point == 0) {
return false;
}
VkTimelineSemaphoreSubmitInfoKHR timeline_submit_info = {
.sType = VK_STRUCTURE_TYPE_TIMELINE_SEMAPHORE_SUBMIT_INFO_KHR,
.signalSemaphoreValueCount = 1,
.pSignalSemaphoreValues = &timeline_point,
};
VkSubmitInfo submit_info = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = &timeline_submit_info,
.commandBufferCount = 1,
.pCommandBuffers = &cb->vk,
.signalSemaphoreCount = 1,
.pSignalSemaphores = &renderer->timeline_semaphore,
};
VkResult res = vkQueueSubmit(renderer->dev->queue, 1, &submit_info, VK_NULL_HANDLE);
if (res != VK_SUCCESS) {
wlr_vk_error("vkQueueSubmit", res);
return false;
}
// NOTE: don't release stage allocations here since they may still be
// used for reading. Will be done next frame.
return wait_command_buffer(cb, renderer);
}
struct wlr_vk_format_props *vulkan_format_props_from_drm(
struct wlr_vk_device *dev, uint32_t drm_fmt) {
for (size_t i = 0u; i < dev->format_prop_count; ++i) {
if (dev->format_props[i].format.drm == drm_fmt) {
return &dev->format_props[i];
}
}
return NULL;
}
static bool init_command_buffer(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer) {
VkResult res;
VkCommandBuffer vk_cb = VK_NULL_HANDLE;
VkCommandBufferAllocateInfo cmd_buf_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.commandPool = renderer->command_pool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = 1,
};
res = vkAllocateCommandBuffers(renderer->dev->dev, &cmd_buf_info, &vk_cb);
if (res != VK_SUCCESS) {
wlr_vk_error("vkAllocateCommandBuffers", res);
return false;
}
*cb = (struct wlr_vk_command_buffer){
.vk = vk_cb,
};
wl_list_init(&cb->destroy_textures);
wl_list_init(&cb->stage_buffers);
return true;
}
static bool wait_command_buffer(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer) {
VkResult res;
assert(cb->vk != VK_NULL_HANDLE && !cb->recording);
VkSemaphoreWaitInfoKHR wait_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_WAIT_INFO_KHR,
.semaphoreCount = 1,
.pSemaphores = &renderer->timeline_semaphore,
.pValues = &cb->timeline_point,
};
res = renderer->dev->api.vkWaitSemaphoresKHR(renderer->dev->dev, &wait_info, UINT64_MAX);
if (res != VK_SUCCESS) {
wlr_vk_error("vkWaitSemaphoresKHR", res);
return false;
}
return true;
}
static void release_command_buffer_resources(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer) {
struct wlr_vk_texture *texture, *texture_tmp;
wl_list_for_each_safe(texture, texture_tmp, &cb->destroy_textures, destroy_link) {
wl_list_remove(&texture->destroy_link);
texture->last_used_cb = NULL;
wlr_texture_destroy(&texture->wlr_texture);
}
struct wlr_vk_shared_buffer *buf, *buf_tmp;
wl_list_for_each_safe(buf, buf_tmp, &cb->stage_buffers, link) {
buf->allocs.size = 0;
wl_list_remove(&buf->link);
wl_list_insert(&renderer->stage.buffers, &buf->link);
}
}
static struct wlr_vk_command_buffer *get_command_buffer(
struct wlr_vk_renderer *renderer) {
VkResult res;
uint64_t current_point;
res = renderer->dev->api.vkGetSemaphoreCounterValueKHR(renderer->dev->dev,
renderer->timeline_semaphore, &current_point);
if (res != VK_SUCCESS) {
wlr_vk_error("vkGetSemaphoreCounterValueKHR", res);
return NULL;
}
// Destroy textures for completed command buffers
for (size_t i = 0; i < VULKAN_COMMAND_BUFFERS_CAP; i++) {
struct wlr_vk_command_buffer *cb = &renderer->command_buffers[i];
if (cb->vk != VK_NULL_HANDLE && !cb->recording &&
cb->timeline_point <= current_point) {
release_command_buffer_resources(cb, renderer);
}
}
// First try to find an existing command buffer which isn't busy
struct wlr_vk_command_buffer *unused = NULL;
struct wlr_vk_command_buffer *wait = NULL;
for (size_t i = 0; i < VULKAN_COMMAND_BUFFERS_CAP; i++) {
struct wlr_vk_command_buffer *cb = &renderer->command_buffers[i];
if (cb->vk == VK_NULL_HANDLE) {
unused = cb;
break;
}
if (cb->recording) {
continue;
}
if (cb->timeline_point <= current_point) {
return cb;
}
if (wait == NULL || cb->timeline_point < wait->timeline_point) {
wait = cb;
}
}
// If there is an unused slot, initialize it
if (unused != NULL) {
if (!init_command_buffer(unused, renderer)) {
return NULL;
}
return unused;
}
// Block until a busy command buffer becomes available
if (!wait_command_buffer(wait, renderer)) {
return NULL;
}
return wait;
}
static struct wlr_vk_command_buffer *acquire_command_buffer(
struct wlr_vk_renderer *renderer) {
struct wlr_vk_command_buffer *cb = get_command_buffer(renderer);
if (cb == NULL) {
return NULL;
}
assert(!cb->recording);
cb->recording = true;
return cb;
}
static uint64_t end_command_buffer(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer) {
assert(cb->recording);
cb->recording = false;
VkResult res = vkEndCommandBuffer(cb->vk);
if (res != VK_SUCCESS) {
wlr_vk_error("vkEndCommandBuffer", res);
return 0;
}
renderer->timeline_point++;
cb->timeline_point = renderer->timeline_point;
return cb->timeline_point;
}
// buffer import
static void destroy_render_buffer(struct wlr_vk_render_buffer *buffer) {
wl_list_remove(&buffer->link);
wlr_addon_finish(&buffer->addon);
assert(buffer->renderer->current_render_buffer != buffer);
VkDevice dev = buffer->renderer->dev->dev;
vkDestroyFramebuffer(dev, buffer->framebuffer, NULL);
vkDestroyImageView(dev, buffer->image_view, NULL);
vkDestroyImage(dev, buffer->image, NULL);
for (size_t i = 0u; i < buffer->mem_count; ++i) {
vkFreeMemory(dev, buffer->memories[i], NULL);
}
free(buffer);
}
static void handle_render_buffer_destroy(struct wlr_addon *addon) {
struct wlr_vk_render_buffer *buffer = wl_container_of(addon, buffer, addon);
destroy_render_buffer(buffer);
}
static struct wlr_addon_interface render_buffer_addon_impl = {
.name = "wlr_vk_render_buffer",
.destroy = handle_render_buffer_destroy,
};
static struct wlr_vk_render_buffer *create_render_buffer(
struct wlr_vk_renderer *renderer, struct wlr_buffer *wlr_buffer) {
VkResult res;
struct wlr_vk_render_buffer *buffer = calloc(1, sizeof(*buffer));
if (buffer == NULL) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
return NULL;
}
buffer->wlr_buffer = wlr_buffer;
buffer->renderer = renderer;
struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(wlr_buffer, &dmabuf)) {
goto error_buffer;
}
wlr_log(WLR_DEBUG, "vulkan create_render_buffer: %.4s, %dx%d",
(const char*) &dmabuf.format, dmabuf.width, dmabuf.height);
buffer->image = vulkan_import_dmabuf(renderer, &dmabuf,
buffer->memories, &buffer->mem_count, true);
if (!buffer->image) {
goto error_buffer;
}
VkDevice dev = renderer->dev->dev;
const struct wlr_vk_format_props *fmt = vulkan_format_props_from_drm(
renderer->dev, dmabuf.format);
if (fmt == NULL) {
wlr_log(WLR_ERROR, "Unsupported pixel format %"PRIx32 " (%.4s)",
dmabuf.format, (const char*) &dmabuf.format);
goto error_buffer;
}
VkImageViewCreateInfo view_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.image = buffer->image,
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = fmt->format.vk,
.components.r = VK_COMPONENT_SWIZZLE_IDENTITY,
.components.g = VK_COMPONENT_SWIZZLE_IDENTITY,
.components.b = VK_COMPONENT_SWIZZLE_IDENTITY,
.components.a = VK_COMPONENT_SWIZZLE_IDENTITY,
.subresourceRange = (VkImageSubresourceRange) {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1,
},
};
res = vkCreateImageView(dev, &view_info, NULL, &buffer->image_view);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateImageView failed", res);
goto error_view;
}
buffer->render_setup = find_or_create_render_setup(renderer, fmt->format.vk);
if (!buffer->render_setup) {
goto error_view;
}
VkFramebufferCreateInfo fb_info = {
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.attachmentCount = 1u,
.pAttachments = &buffer->image_view,
.flags = 0u,
.width = dmabuf.width,
.height = dmabuf.height,
.layers = 1u,
.renderPass = buffer->render_setup->render_pass,
};
res = vkCreateFramebuffer(dev, &fb_info, NULL, &buffer->framebuffer);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateFramebuffer", res);
goto error_view;
}
wlr_addon_init(&buffer->addon, &wlr_buffer->addons, renderer,
&render_buffer_addon_impl);
wl_list_insert(&renderer->render_buffers, &buffer->link);
return buffer;
error_view:
vkDestroyFramebuffer(dev, buffer->framebuffer, NULL);
vkDestroyImageView(dev, buffer->image_view, NULL);
vkDestroyImage(dev, buffer->image, NULL);
for (size_t i = 0u; i < buffer->mem_count; ++i) {
vkFreeMemory(dev, buffer->memories[i], NULL);
}
error_buffer:
wlr_dmabuf_attributes_finish(&dmabuf);
free(buffer);
return NULL;
}
static struct wlr_vk_render_buffer *get_render_buffer(
struct wlr_vk_renderer *renderer, struct wlr_buffer *wlr_buffer) {
struct wlr_addon *addon =
wlr_addon_find(&wlr_buffer->addons, renderer, &render_buffer_addon_impl);
if (addon == NULL) {
return NULL;
}
struct wlr_vk_render_buffer *buffer = wl_container_of(addon, buffer, addon);
return buffer;
}
// interface implementation
static bool vulkan_bind_buffer(struct wlr_renderer *wlr_renderer,
struct wlr_buffer *wlr_buffer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
if (renderer->current_render_buffer) {
wlr_buffer_unlock(renderer->current_render_buffer->wlr_buffer);
renderer->current_render_buffer = NULL;
}
if (!wlr_buffer) {
return true;
}
struct wlr_vk_render_buffer *buffer = get_render_buffer(renderer, wlr_buffer);
if (!buffer) {
buffer = create_render_buffer(renderer, wlr_buffer);
if (!buffer) {
return false;
}
}
wlr_buffer_lock(wlr_buffer);
renderer->current_render_buffer = buffer;
return true;
}
static bool vulkan_begin(struct wlr_renderer *wlr_renderer,
uint32_t width, uint32_t height) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
assert(renderer->current_render_buffer);
struct wlr_vk_command_buffer *cb = acquire_command_buffer(renderer);
if (cb == NULL) {
return false;
}
assert(renderer->current_command_buffer == NULL);
renderer->current_command_buffer = cb;
VkCommandBufferBeginInfo begin_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
};
VkResult res = vkBeginCommandBuffer(cb->vk, &begin_info);
if (res != VK_SUCCESS) {
wlr_vk_error("vkBeginCommandBuffer", res);
return false;
}
// begin render pass
VkFramebuffer fb = renderer->current_render_buffer->framebuffer;
VkRect2D rect = {{0, 0}, {width, height}};
renderer->scissor = rect;
VkRenderPassBeginInfo rp_info = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
.renderArea = rect,
.renderPass = renderer->current_render_buffer->render_setup->render_pass,
.framebuffer = fb,
.clearValueCount = 0,
};
vkCmdBeginRenderPass(cb->vk, &rp_info, VK_SUBPASS_CONTENTS_INLINE);
VkViewport vp = {0.f, 0.f, (float) width, (float) height, 0.f, 1.f};
vkCmdSetViewport(cb->vk, 0, 1, &vp);
vkCmdSetScissor(cb->vk, 0, 1, &rect);
// Refresh projection matrix.
// matrix_projection() assumes a GL coordinate system so we need
// to pass WL_OUTPUT_TRANSFORM_FLIPPED_180 to adjust it for vulkan.
matrix_projection(renderer->projection, width, height,
WL_OUTPUT_TRANSFORM_FLIPPED_180);
renderer->render_width = width;
renderer->render_height = height;
renderer->bound_pipe = VK_NULL_HANDLE;
return true;
}
static bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture) {
struct wlr_vk_renderer *renderer = texture->renderer;
VkResult res;
struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(texture->buffer, &dmabuf)) {
wlr_log(WLR_ERROR, "Failed to get texture DMA-BUF");
return false;
}
if (!renderer->dev->implicit_sync_interop) {
// We have no choice but to block here sadly
for (int i = 0; i < dmabuf.n_planes; i++) {
struct pollfd pollfd = {
.fd = dmabuf.fd[i],
.events = POLLIN,
};
int timeout_ms = 1000;
int ret = poll(&pollfd, 1, timeout_ms);
if (ret < 0) {
wlr_log_errno(WLR_ERROR, "Failed to wait for DMA-BUF fence");
return false;
} else if (ret == 0) {
wlr_log(WLR_ERROR, "Timed out while waiting for DMA-BUF fence");
return false;
}
}
return true;
}
for (int i = 0; i < dmabuf.n_planes; i++) {
int sync_file_fd = dmabuf_export_sync_file(dmabuf.fd[i], DMA_BUF_SYNC_READ);
if (sync_file_fd < 0) {
wlr_log(WLR_ERROR, "Failed to extract DMA-BUF fence");
return false;
}
if (texture->foreign_semaphores[i] == VK_NULL_HANDLE) {
VkSemaphoreCreateInfo semaphore_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
};
res = vkCreateSemaphore(renderer->dev->dev, &semaphore_info, NULL,
&texture->foreign_semaphores[i]);
if (res != VK_SUCCESS) {
close(sync_file_fd);
wlr_vk_error("vkCreateSemaphore", res);
return false;
}
}
VkImportSemaphoreFdInfoKHR import_info = {
.sType = VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHR,
.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
.flags = VK_SEMAPHORE_IMPORT_TEMPORARY_BIT,
.semaphore = texture->foreign_semaphores[i],
.fd = sync_file_fd,
};
res = renderer->dev->api.vkImportSemaphoreFdKHR(renderer->dev->dev, &import_info);
if (res != VK_SUCCESS) {
close(sync_file_fd);
wlr_vk_error("vkImportSemaphoreFdKHR", res);
return false;
}
}
return true;
}
static bool vulkan_sync_render_buffer(struct wlr_vk_renderer *renderer,
struct wlr_vk_command_buffer *cb) {
VkResult res;
if (!renderer->dev->implicit_sync_interop) {
// We have no choice but to block here sadly
return wait_command_buffer(cb, renderer);
}
struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(renderer->current_render_buffer->wlr_buffer,
&dmabuf)) {
wlr_log(WLR_ERROR, "wlr_buffer_get_dmabuf failed");
return false;
}
// Note: vkGetSemaphoreFdKHR implicitly resets the semaphore
const VkSemaphoreGetFdInfoKHR get_fence_fd_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR,
.semaphore = cb->binary_semaphore,
.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
};
int sync_file_fd = -1;
res = renderer->dev->api.vkGetSemaphoreFdKHR(renderer->dev->dev,
&get_fence_fd_info, &sync_file_fd);
if (res != VK_SUCCESS) {
wlr_vk_error("vkGetSemaphoreFdKHR", res);
return false;
}
for (int i = 0; i < dmabuf.n_planes; i++) {
if (!dmabuf_import_sync_file(dmabuf.fd[i], DMA_BUF_SYNC_WRITE,
sync_file_fd)) {
close(sync_file_fd);
return false;
}
}
close(sync_file_fd);
return true;
}
static void vulkan_end(struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
assert(renderer->current_render_buffer);
struct wlr_vk_command_buffer *render_cb = renderer->current_command_buffer;
assert(render_cb != NULL);
renderer->current_command_buffer = NULL;
if (vulkan_record_stage_cb(renderer) == VK_NULL_HANDLE) {
return;
}
struct wlr_vk_command_buffer *stage_cb = renderer->stage.cb;
assert(stage_cb != NULL);
renderer->stage.cb = NULL;
renderer->render_width = 0u;
renderer->render_height = 0u;
renderer->bound_pipe = VK_NULL_HANDLE;
vkCmdEndRenderPass(render_cb->vk);
// insert acquire and release barriers for dmabuf-images
unsigned barrier_count = wl_list_length(&renderer->foreign_textures) + 1;
VkImageMemoryBarrier *acquire_barriers = calloc(barrier_count, sizeof(VkImageMemoryBarrier));
VkImageMemoryBarrier *release_barriers = calloc(barrier_count, sizeof(VkImageMemoryBarrier));
VkSemaphoreSubmitInfoKHR *render_wait = calloc(barrier_count * WLR_DMABUF_MAX_PLANES, sizeof(VkSemaphoreSubmitInfoKHR));
if (acquire_barriers == NULL || release_barriers == NULL || render_wait == NULL) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
free(acquire_barriers);
free(release_barriers);
free(render_wait);
return;
}
struct wlr_vk_texture *texture, *tmp_tex;
unsigned idx = 0;
uint32_t render_wait_len = 0;
wl_list_for_each_safe(texture, tmp_tex, &renderer->foreign_textures, foreign_link) {
VkImageLayout src_layout = VK_IMAGE_LAYOUT_GENERAL;
if (!texture->transitioned) {
src_layout = VK_IMAGE_LAYOUT_UNDEFINED;
texture->transitioned = true;
}
// acquire
acquire_barriers[idx] = (VkImageMemoryBarrier){
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
.dstQueueFamilyIndex = renderer->dev->queue_family,
.image = texture->image,
.oldLayout = src_layout,
.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
.srcAccessMask = 0, // ignored anyways
.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.subresourceRange.layerCount = 1,
.subresourceRange.levelCount = 1,
};
// release
release_barriers[idx] = (VkImageMemoryBarrier){
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcQueueFamilyIndex = renderer->dev->queue_family,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
.image = texture->image,
.oldLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
.newLayout = VK_IMAGE_LAYOUT_GENERAL,
.srcAccessMask = VK_ACCESS_SHADER_READ_BIT,
.dstAccessMask = 0, // ignored anyways
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.subresourceRange.layerCount = 1,
.subresourceRange.levelCount = 1,
};
++idx;
if (!vulkan_sync_foreign_texture(texture)) {
wlr_log(WLR_ERROR, "Failed to wait for foreign texture DMA-BUF fence");
} else {
for (size_t i = 0; i < WLR_DMABUF_MAX_PLANES; i++) {
if (texture->foreign_semaphores[i] != VK_NULL_HANDLE) {
assert(render_wait_len < barrier_count * WLR_DMABUF_MAX_PLANES);
render_wait[render_wait_len++] = (VkSemaphoreSubmitInfoKHR){
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
.semaphore = texture->foreign_semaphores[i],
.stageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT_KHR,
};
}
}
}
wl_list_remove(&texture->foreign_link);
texture->owned = false;
}
// also add acquire/release barriers for the current render buffer
VkImageLayout src_layout = VK_IMAGE_LAYOUT_GENERAL;
if (!renderer->current_render_buffer->transitioned) {
src_layout = VK_IMAGE_LAYOUT_PREINITIALIZED;
renderer->current_render_buffer->transitioned = true;
}
// acquire render buffer before rendering
acquire_barriers[idx] = (VkImageMemoryBarrier){
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
.dstQueueFamilyIndex = renderer->dev->queue_family,
.image = renderer->current_render_buffer->image,
.oldLayout = src_layout,
.newLayout = VK_IMAGE_LAYOUT_GENERAL,
.srcAccessMask = 0, // ignored anyways
.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.subresourceRange.layerCount = 1,
.subresourceRange.levelCount = 1,
};
// release render buffer after rendering
release_barriers[idx] = (VkImageMemoryBarrier){
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcQueueFamilyIndex = renderer->dev->queue_family,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
.image = renderer->current_render_buffer->image,
.oldLayout = VK_IMAGE_LAYOUT_GENERAL,
.newLayout = VK_IMAGE_LAYOUT_GENERAL,
.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.dstAccessMask = 0, // ignored anyways
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.subresourceRange.layerCount = 1,
.subresourceRange.levelCount = 1,
};
++idx;
vkCmdPipelineBarrier(stage_cb->vk, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
0, 0, NULL, 0, NULL, barrier_count, acquire_barriers);
vkCmdPipelineBarrier(render_cb->vk, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL,
barrier_count, release_barriers);
free(acquire_barriers);
free(release_barriers);
// No semaphores needed here.
// We don't need a semaphore from the stage/transfer submission
// to the render submissions since they are on the same queue
// and we have a renderpass dependency for that.
uint64_t stage_timeline_point = end_command_buffer(stage_cb, renderer);
if (stage_timeline_point == 0) {
return;
}
VkCommandBufferSubmitInfoKHR stage_cb_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_SUBMIT_INFO_KHR,
.commandBuffer = stage_cb->vk,
};
VkSemaphoreSubmitInfoKHR stage_signal = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
.semaphore = renderer->timeline_semaphore,
.value = stage_timeline_point,
};
VkSubmitInfo2KHR stage_submit = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO_2_KHR,
.commandBufferInfoCount = 1,
.pCommandBufferInfos = &stage_cb_info,
.signalSemaphoreInfoCount = 1,
.pSignalSemaphoreInfos = &stage_signal,
};
VkSemaphoreSubmitInfoKHR stage_wait;
if (renderer->stage.last_timeline_point > 0) {
stage_wait = (VkSemaphoreSubmitInfoKHR){
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
.semaphore = renderer->timeline_semaphore,
.value = renderer->stage.last_timeline_point,
.stageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT_KHR,
};
stage_submit.waitSemaphoreInfoCount = 1;
stage_submit.pWaitSemaphoreInfos = &stage_wait;
}
renderer->stage.last_timeline_point = stage_timeline_point;
uint64_t render_timeline_point = end_command_buffer(render_cb, renderer);
if (render_timeline_point == 0) {
return;
}
size_t render_signal_len = 1;
VkSemaphoreSubmitInfoKHR render_signal[2] = {0};
render_signal[0] = (VkSemaphoreSubmitInfoKHR){
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
.semaphore = renderer->timeline_semaphore,
.value = render_timeline_point,
};
if (renderer->dev->implicit_sync_interop) {
if (render_cb->binary_semaphore == VK_NULL_HANDLE) {
VkExportSemaphoreCreateInfo export_info = {
.sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO,
.handleTypes = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
};
VkSemaphoreCreateInfo semaphore_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
.pNext = &export_info,
};
VkResult res = vkCreateSemaphore(renderer->dev->dev, &semaphore_info,
NULL, &render_cb->binary_semaphore);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateSemaphore", res);
return;
}
}
render_signal[render_signal_len++] = (VkSemaphoreSubmitInfoKHR){
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
.semaphore = render_cb->binary_semaphore,
};
}
VkCommandBufferSubmitInfoKHR render_cb_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_SUBMIT_INFO_KHR,
.commandBuffer = render_cb->vk,
};
VkSubmitInfo2KHR render_submit = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO_2_KHR,
.waitSemaphoreInfoCount = render_wait_len,
.pWaitSemaphoreInfos = render_wait,
.commandBufferInfoCount = 1,
.pCommandBufferInfos = &render_cb_info,
.signalSemaphoreInfoCount = render_signal_len,
.pSignalSemaphoreInfos = render_signal,
};
VkSubmitInfo2KHR submit_infos[] = { stage_submit, render_submit };
VkResult res = renderer->dev->api.vkQueueSubmit2KHR(renderer->dev->queue, 2, submit_infos, VK_NULL_HANDLE);
if (res == VK_ERROR_DEVICE_LOST) {
wlr_log(WLR_ERROR, "vkQueueSubmit failed with VK_ERROR_DEVICE_LOST");
wl_signal_emit_mutable(&wlr_renderer->events.lost, NULL);
return;
} else if (res != VK_SUCCESS) {
wlr_vk_error("vkQueueSubmit", res);
return;
}
free(render_wait);
struct wlr_vk_shared_buffer *stage_buf, *stage_buf_tmp;
wl_list_for_each_safe(stage_buf, stage_buf_tmp, &renderer->stage.buffers, link) {
if (stage_buf->allocs.size == 0) {
continue;
}
wl_list_remove(&stage_buf->link);
wl_list_insert(&stage_cb->stage_buffers, &stage_buf->link);
}
if (!vulkan_sync_render_buffer(renderer, render_cb)) {
return;
}
}
static bool vulkan_render_subtexture_with_matrix(struct wlr_renderer *wlr_renderer,
struct wlr_texture *wlr_texture, const struct wlr_fbox *box,
const float matrix[static 9], float alpha) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
VkCommandBuffer cb = renderer->current_command_buffer->vk;
struct wlr_vk_texture *texture = vulkan_get_texture(wlr_texture);
assert(texture->renderer == renderer);
if (texture->dmabuf_imported && !texture->owned) {
// Store this texture in the list of textures that need to be
// acquired before rendering and released after rendering.
// We don't do it here immediately since barriers inside
// a renderpass are suboptimal (would require additional renderpass
// dependency and potentially multiple barriers) and it's
// better to issue one barrier for all used textures anyways.
texture->owned = true;
assert(texture->foreign_link.prev == NULL);
assert(texture->foreign_link.next == NULL);
wl_list_insert(&renderer->foreign_textures, &texture->foreign_link);
}
VkPipeline pipe;
// SRGB formats already have the transfer function applied
if (texture->format->drm == DRM_FORMAT_NV12) {
pipe = renderer->current_render_buffer->render_setup->tex_nv12_pipe;
} else if (texture->format->is_srgb) {
pipe = renderer->current_render_buffer->render_setup->tex_identity_pipe;
} else {
pipe = renderer->current_render_buffer->render_setup->tex_srgb_pipe;
}
assert(pipe != VK_NULL_HANDLE);
if (pipe != renderer->bound_pipe) {
vkCmdBindPipeline(cb, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
renderer->bound_pipe = pipe;
}
vkCmdBindDescriptorSets(cb, VK_PIPELINE_BIND_POINT_GRAPHICS,
renderer->pipe_layout, 0, 1, &texture->ds, 0, NULL);
float final_matrix[9];
wlr_matrix_multiply(final_matrix, renderer->projection, matrix);
struct vert_pcr_data vert_pcr_data;
mat3_to_mat4(final_matrix, vert_pcr_data.mat4);
vert_pcr_data.uv_off[0] = box->x / wlr_texture->width;
vert_pcr_data.uv_off[1] = box->y / wlr_texture->height;
vert_pcr_data.uv_size[0] = box->width / wlr_texture->width;
vert_pcr_data.uv_size[1] = box->height / wlr_texture->height;
vkCmdPushConstants(cb, renderer->pipe_layout,
VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
vkCmdPushConstants(cb, renderer->pipe_layout,
VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(vert_pcr_data), sizeof(float),
&alpha);
vkCmdDraw(cb, 4, 1, 0, 0);
texture->last_used_cb = renderer->current_command_buffer;
return true;
}
static void vulkan_clear(struct wlr_renderer *wlr_renderer,
const float color[static 4]) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
VkCommandBuffer cb = renderer->current_command_buffer->vk;
if (renderer->scissor.extent.width == 0 || renderer->scissor.extent.height == 0) {
return;
}
VkClearAttachment att = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.colorAttachment = 0u,
// Input color values are given in srgb space, vulkan expects
// them in linear space. We explicitly import argb8 render buffers
// as srgb, vulkan will convert the input values we give here to
// srgb first.
// But in other parts of wlroots we just always assume
// srgb so that's why we have to convert here.
.clearValue.color.float32 = {
color_to_linear(color[0]),
color_to_linear(color[1]),
color_to_linear(color[2]),
color[3], // no conversion for alpha
},
};
VkClearRect rect = {
.rect = renderer->scissor,
.layerCount = 1,
};
vkCmdClearAttachments(cb, 1, &att, 1, &rect);
}
static void vulkan_scissor(struct wlr_renderer *wlr_renderer,
struct wlr_box *box) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
VkCommandBuffer cb = renderer->current_command_buffer->vk;
uint32_t w = renderer->render_width;
uint32_t h = renderer->render_height;
struct wlr_box dst = {0, 0, w, h};
if (box && !wlr_box_intersection(&dst, box, &dst)) {
dst = (struct wlr_box) {0, 0, 0, 0}; // empty
}
VkRect2D rect = (VkRect2D) {{dst.x, dst.y}, {dst.width, dst.height}};
renderer->scissor = rect;
vkCmdSetScissor(cb, 0, 1, &rect);
}
static const uint32_t *vulkan_get_shm_texture_formats(
struct wlr_renderer *wlr_renderer, size_t *len) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
*len = renderer->dev->shm_format_count;
return renderer->dev->shm_formats;
}
static void vulkan_render_quad_with_matrix(struct wlr_renderer *wlr_renderer,
const float color[static 4], const float matrix[static 9]) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
VkCommandBuffer cb = renderer->current_command_buffer->vk;
VkPipeline pipe = renderer->current_render_buffer->render_setup->quad_pipe;
if (pipe != renderer->bound_pipe) {
vkCmdBindPipeline(cb, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
renderer->bound_pipe = pipe;
}
float final_matrix[9];
wlr_matrix_multiply(final_matrix, renderer->projection, matrix);
struct vert_pcr_data vert_pcr_data;
mat3_to_mat4(final_matrix, vert_pcr_data.mat4);
vert_pcr_data.uv_off[0] = 0.f;
vert_pcr_data.uv_off[1] = 0.f;
vert_pcr_data.uv_size[0] = 1.f;
vert_pcr_data.uv_size[1] = 1.f;
// Input color values are given in srgb space, shader expects
// them in linear space. The shader does all computation in linear
// space and expects in inputs in linear space since it outputs
// colors in linear space as well (and vulkan then automatically
// does the conversion for out SRGB render targets).
// But in other parts of wlroots we just always assume
// srgb so that's why we have to convert here.
float linear_color[4];
linear_color[0] = color_to_linear(color[0]);
linear_color[1] = color_to_linear(color[1]);
linear_color[2] = color_to_linear(color[2]);
linear_color[3] = color[3]; // no conversion for alpha
vkCmdPushConstants(cb, renderer->pipe_layout,
VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
vkCmdPushConstants(cb, renderer->pipe_layout,
VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(vert_pcr_data), sizeof(float) * 4,
linear_color);
vkCmdDraw(cb, 4, 1, 0, 0);
}
static const struct wlr_drm_format_set *vulkan_get_dmabuf_texture_formats(
struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
return &renderer->dev->dmabuf_texture_formats;
}
static const struct wlr_drm_format_set *vulkan_get_render_formats(
struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
return &renderer->dev->dmabuf_render_formats;
}
static uint32_t vulkan_preferred_read_format(
struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(renderer->current_render_buffer->wlr_buffer,
&dmabuf)) {
wlr_log(WLR_ERROR, "vulkan_preferred_read_format: Failed to get dmabuf of current render buffer");
return DRM_FORMAT_INVALID;
}
return dmabuf.format;
}
static void vulkan_destroy(struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
struct wlr_vk_device *dev = renderer->dev;
if (!dev) {
free(renderer);
return;
}
assert(!renderer->current_render_buffer);
VkResult res = vkDeviceWaitIdle(renderer->dev->dev);
if (res != VK_SUCCESS) {
wlr_vk_error("vkDeviceWaitIdle", res);
}
for (size_t i = 0; i < VULKAN_COMMAND_BUFFERS_CAP; i++) {
struct wlr_vk_command_buffer *cb = &renderer->command_buffers[i];
if (cb->vk == VK_NULL_HANDLE) {
continue;
}
release_command_buffer_resources(cb, renderer);
if (cb->binary_semaphore != VK_NULL_HANDLE) {
vkDestroySemaphore(renderer->dev->dev, cb->binary_semaphore, NULL);
}
}
// stage.cb automatically freed with command pool
struct wlr_vk_shared_buffer *buf, *tmp_buf;
wl_list_for_each_safe(buf, tmp_buf, &renderer->stage.buffers, link) {
shared_buffer_destroy(renderer, buf);
}
struct wlr_vk_texture *tex, *tex_tmp;
wl_list_for_each_safe(tex, tex_tmp, &renderer->textures, link) {
vulkan_texture_destroy(tex);
}
struct wlr_vk_render_buffer *render_buffer, *render_buffer_tmp;
wl_list_for_each_safe(render_buffer, render_buffer_tmp,
&renderer->render_buffers, link) {
destroy_render_buffer(render_buffer);
}
struct wlr_vk_render_format_setup *setup, *tmp_setup;
wl_list_for_each_safe(setup, tmp_setup,
&renderer->render_format_setups, link) {
destroy_render_format_setup(renderer, setup);
}
struct wlr_vk_descriptor_pool *pool, *tmp_pool;
wl_list_for_each_safe(pool, tmp_pool, &renderer->descriptor_pools, link) {
vkDestroyDescriptorPool(dev->dev, pool->pool, NULL);
free(pool);
}
vkDestroyShaderModule(dev->dev, renderer->vert_module, NULL);
vkDestroyShaderModule(dev->dev, renderer->tex_frag_module, NULL);
vkDestroyShaderModule(dev->dev, renderer->quad_frag_module, NULL);
vkDestroySemaphore(dev->dev, renderer->timeline_semaphore, NULL);
vkDestroyPipelineLayout(dev->dev, renderer->pipe_layout, NULL);
vkDestroyDescriptorSetLayout(dev->dev, renderer->ds_layout, NULL);
vkDestroySampler(dev->dev, renderer->sampler, NULL);
vkDestroySamplerYcbcrConversion(dev->dev, renderer->nv12_conversion, NULL);
vkDestroyCommandPool(dev->dev, renderer->command_pool, NULL);
if (renderer->read_pixels_cache.initialized) {
vkFreeMemory(dev->dev, renderer->read_pixels_cache.dst_img_memory, NULL);
vkDestroyImage(dev->dev, renderer->read_pixels_cache.dst_image, NULL);
}
struct wlr_vk_instance *ini = dev->instance;
vulkan_device_destroy(dev);
vulkan_instance_destroy(ini);
free(renderer);
}
static bool vulkan_read_pixels(struct wlr_renderer *wlr_renderer,
uint32_t drm_format, uint32_t stride,
uint32_t width, uint32_t height, uint32_t src_x, uint32_t src_y,
uint32_t dst_x, uint32_t dst_y, void *data) {
struct wlr_vk_renderer *vk_renderer = vulkan_get_renderer(wlr_renderer);
VkDevice dev = vk_renderer->dev->dev;
VkImage src_image = vk_renderer->current_render_buffer->image;
const struct wlr_pixel_format_info *pixel_format_info = drm_get_pixel_format_info(drm_format);
if (!pixel_format_info) {
wlr_log(WLR_ERROR, "vulkan_read_pixels: could not find pixel format info "
"for DRM format 0x%08x", drm_format);
return false;
}
const struct wlr_vk_format *wlr_vk_format = vulkan_get_format_from_drm(drm_format);
if (!wlr_vk_format) {
wlr_log(WLR_ERROR, "vulkan_read_pixels: no vulkan format "
"matching drm format 0x%08x available", drm_format);
return false;
}
VkFormat dst_format = wlr_vk_format->vk;
VkFormat src_format = vk_renderer->current_render_buffer->render_setup->render_format;
VkFormatProperties dst_format_props = {0}, src_format_props = {0};
vkGetPhysicalDeviceFormatProperties(vk_renderer->dev->phdev, dst_format, &dst_format_props);
vkGetPhysicalDeviceFormatProperties(vk_renderer->dev->phdev, src_format, &src_format_props);
bool blit_supported = src_format_props.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT &&
dst_format_props.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_DST_BIT;
if (!blit_supported && src_format != dst_format) {
wlr_log(WLR_ERROR, "vulkan_read_pixels: blit unsupported and no manual "
"conversion available from src to dst format.");
return false;
}
VkResult res;
VkImage dst_image;
VkDeviceMemory dst_img_memory;
bool use_cached = vk_renderer->read_pixels_cache.initialized &&
vk_renderer->read_pixels_cache.drm_format == drm_format &&
vk_renderer->read_pixels_cache.width == width &&
vk_renderer->read_pixels_cache.height == height;
if (use_cached) {
dst_image = vk_renderer->read_pixels_cache.dst_image;
dst_img_memory = vk_renderer->read_pixels_cache.dst_img_memory;
} else {
VkImageCreateInfo image_create_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.imageType = VK_IMAGE_TYPE_2D,
.format = dst_format,
.extent.width = width,
.extent.height = height,
.extent.depth = 1,
.arrayLayers = 1,
.mipLevels = 1,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = VK_IMAGE_TILING_LINEAR,
.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT
};
res = vkCreateImage(dev, &image_create_info, NULL, &dst_image);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateImage", res);
return false;
}
VkMemoryRequirements mem_reqs;
vkGetImageMemoryRequirements(dev, dst_image, &mem_reqs);
int mem_type = vulkan_find_mem_type(vk_renderer->dev,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
mem_reqs.memoryTypeBits);
if (mem_type < 0) {
wlr_log(WLR_ERROR, "vulkan_read_pixels: could not find adequate memory type");
goto destroy_image;
}
VkMemoryAllocateInfo mem_alloc_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
};
mem_alloc_info.allocationSize = mem_reqs.size;
mem_alloc_info.memoryTypeIndex = mem_type;
res = vkAllocateMemory(dev, &mem_alloc_info, NULL, &dst_img_memory);
if (res != VK_SUCCESS) {
wlr_vk_error("vkAllocateMemory", res);
goto destroy_image;
}
res = vkBindImageMemory(dev, dst_image, dst_img_memory, 0);
if (res != VK_SUCCESS) {
wlr_vk_error("vkBindImageMemory", res);
goto free_memory;
}
if (vk_renderer->read_pixels_cache.initialized) {
vkFreeMemory(dev, vk_renderer->read_pixels_cache.dst_img_memory, NULL);
vkDestroyImage(dev, vk_renderer->read_pixels_cache.dst_image, NULL);
}
vk_renderer->read_pixels_cache.initialized = true;
vk_renderer->read_pixels_cache.drm_format = drm_format;
vk_renderer->read_pixels_cache.dst_image = dst_image;
vk_renderer->read_pixels_cache.dst_img_memory = dst_img_memory;
vk_renderer->read_pixels_cache.width = width;
vk_renderer->read_pixels_cache.height = height;
}
VkCommandBuffer cb = vulkan_record_stage_cb(vk_renderer);
vulkan_change_layout(cb, dst_image,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_PIPELINE_STAGE_TRANSFER_BIT,
0,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT);
vulkan_change_layout(cb, src_image,
VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_MEMORY_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_READ_BIT);
if (blit_supported) {
VkImageBlit image_blit_region = {
.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.srcSubresource.layerCount = 1,
.srcOffsets[0] = {
.x = src_x,
.y = src_y,
},
.srcOffsets[1] = {
.x = src_x + width,
.y = src_y + height,
},
.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.dstSubresource.layerCount = 1,
.dstOffsets[1] = {
.x = width,
.y = height,
.z = 1,
}
};
vkCmdBlitImage(cb, src_image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dst_image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &image_blit_region, VK_FILTER_NEAREST);
} else {
wlr_log(WLR_DEBUG, "vulkan_read_pixels: blit unsupported, falling back to vkCmdCopyImage.");
VkImageCopy image_region = {
.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.srcSubresource.layerCount = 1,
.srcOffset = {
.x = src_x,
.y = src_y,
},
.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.dstSubresource.layerCount = 1,
.extent = {
.width = width,
.height = height,
.depth = 1,
}
};
vkCmdCopyImage(cb, src_image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dst_image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_region);
}
vulkan_change_layout(cb, dst_image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
0);
vulkan_change_layout(cb, src_image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_MEMORY_READ_BIT);
if (!vulkan_submit_stage_wait(vk_renderer)) {
return false;
}
VkImageSubresource img_sub_res = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.arrayLayer = 0,
.mipLevel = 0
};
VkSubresourceLayout img_sub_layout;
vkGetImageSubresourceLayout(dev, dst_image, &img_sub_res, &img_sub_layout);
void *v;
res = vkMapMemory(dev, dst_img_memory, 0, VK_WHOLE_SIZE, 0, &v);
if (res != VK_SUCCESS) {
wlr_vk_error("vkMapMemory", res);
return false;
}
const char *d = (const char *)v + img_sub_layout.offset;
unsigned char *p = (unsigned char *)data + dst_y * stride;
uint32_t bpp = pixel_format_info->bpp;
uint32_t pack_stride = img_sub_layout.rowPitch;
if (pack_stride == stride && dst_x == 0) {
memcpy(p, d, height * stride);
} else {
for (size_t i = 0; i < height; ++i) {
memcpy(p + i * stride + dst_x * bpp / 8, d + i * pack_stride, width * bpp / 8);
}
}
vkUnmapMemory(dev, dst_img_memory);
// Don't need to free anything else, since memory and image are cached
return true;
free_memory:
vkFreeMemory(dev, dst_img_memory, NULL);
destroy_image:
vkDestroyImage(dev, dst_image, NULL);
return false;
}
static int vulkan_get_drm_fd(struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
return renderer->dev->drm_fd;
}
static uint32_t vulkan_get_render_buffer_caps(struct wlr_renderer *wlr_renderer) {
return WLR_BUFFER_CAP_DMABUF;
}
static const struct wlr_renderer_impl renderer_impl = {
.bind_buffer = vulkan_bind_buffer,
.begin = vulkan_begin,
.end = vulkan_end,
.clear = vulkan_clear,
.scissor = vulkan_scissor,
.render_subtexture_with_matrix = vulkan_render_subtexture_with_matrix,
.render_quad_with_matrix = vulkan_render_quad_with_matrix,
.get_shm_texture_formats = vulkan_get_shm_texture_formats,
.get_dmabuf_texture_formats = vulkan_get_dmabuf_texture_formats,
.get_render_formats = vulkan_get_render_formats,
.preferred_read_format = vulkan_preferred_read_format,
.read_pixels = vulkan_read_pixels,
.destroy = vulkan_destroy,
.get_drm_fd = vulkan_get_drm_fd,
.get_render_buffer_caps = vulkan_get_render_buffer_caps,
.texture_from_buffer = vulkan_texture_from_buffer,
};
static bool init_nv12_sampler(struct wlr_vk_renderer *renderer, VkSampler *sampler) {
VkResult res;
VkSamplerYcbcrConversionCreateInfo conversion_create_info = {
.sType = VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO,
.format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
.ycbcrModel = VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601,
.ycbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
.xChromaOffset = VK_CHROMA_LOCATION_MIDPOINT,
.yChromaOffset = VK_CHROMA_LOCATION_MIDPOINT,
.chromaFilter = VK_FILTER_LINEAR,
};
res = vkCreateSamplerYcbcrConversion(renderer->dev->dev, &conversion_create_info, NULL, &renderer->nv12_conversion);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateSamplerYcbcrConversion", res);
return false;
}
VkSamplerYcbcrConversionInfo conversion_info = {
.sType = VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO,
.conversion = renderer->nv12_conversion,
};
VkSamplerCreateInfo sampler_create_info = {
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.pNext = &conversion_info,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_LINEAR,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK,
};
res = vkCreateSampler(renderer->dev->dev, &sampler_create_info, NULL, sampler);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateSampler", res);
return false;
}
return true;
}
// Initializes the VkDescriptorSetLayout and VkPipelineLayout needed
// for the texture rendering pipeline using the given VkSampler.
static bool init_tex_layouts(struct wlr_vk_renderer *renderer,
VkSampler tex_sampler, VkDescriptorSetLayout *out_ds_layout,
VkPipelineLayout *out_pipe_layout) {
VkResult res;
VkDevice dev = renderer->dev->dev;
// layouts
// descriptor set
VkDescriptorSetLayoutBinding ds_binding = {
.binding = 0,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
.pImmutableSamplers = &tex_sampler,
};
VkDescriptorSetLayoutCreateInfo ds_info = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.bindingCount = 1,
.pBindings = &ds_binding,
};
res = vkCreateDescriptorSetLayout(dev, &ds_info, NULL, out_ds_layout);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateDescriptorSetLayout", res);
return false;
}
// pipeline layout
VkPushConstantRange pc_ranges[2] = {
{
.size = sizeof(struct vert_pcr_data),
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
},
{
.offset = pc_ranges[0].size,
.size = sizeof(float) * 4, // alpha or color
.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
},
};
VkPipelineLayoutCreateInfo pl_info = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.setLayoutCount = 1,
.pSetLayouts = out_ds_layout,
.pushConstantRangeCount = 2,
.pPushConstantRanges = pc_ranges,
};
res = vkCreatePipelineLayout(dev, &pl_info, NULL, out_pipe_layout);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreatePipelineLayout", res);
return false;
}
return true;
}
// Initializes the pipeline for rendering textures and using the given
// VkRenderPass and VkPipelineLayout.
static bool init_tex_pipeline(struct wlr_vk_renderer *renderer,
VkRenderPass rp, VkPipelineLayout pipe_layout,
enum wlr_vk_texture_transform transform, VkPipeline *pipe) {
VkResult res;
VkDevice dev = renderer->dev->dev;
uint32_t color_transform_type = transform;
VkSpecializationMapEntry spec_entry = {
.constantID = 0,
.offset = 0,
.size = sizeof(uint32_t),
};
VkSpecializationInfo specialization = {
.mapEntryCount = 1,
.pMapEntries = &spec_entry,
.dataSize = sizeof(uint32_t),
.pData = &color_transform_type,
};
// shaders
VkPipelineShaderStageCreateInfo tex_stages[2] = {
{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.module = renderer->vert_module,
.pName = "main",
},
{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.module = renderer->tex_frag_module,
.pName = "main",
.pSpecializationInfo = &specialization,
},
};
// info
VkPipelineInputAssemblyStateCreateInfo assembly = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN,
};
VkPipelineRasterizationStateCreateInfo rasterization = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.polygonMode = VK_POLYGON_MODE_FILL,
.cullMode = VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
.lineWidth = 1.f,
};
VkPipelineColorBlendAttachmentState blend_attachment = {
.blendEnable = true,
// we generally work with pre-multiplied alpha
.srcColorBlendFactor = VK_BLEND_FACTOR_ONE,
.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.colorBlendOp = VK_BLEND_OP_ADD,
.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
.alphaBlendOp = VK_BLEND_OP_ADD,
.colorWriteMask =
VK_COLOR_COMPONENT_R_BIT |
VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT |
VK_COLOR_COMPONENT_A_BIT,
};
VkPipelineColorBlendStateCreateInfo blend = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.attachmentCount = 1,
.pAttachments = &blend_attachment,
};
VkPipelineMultisampleStateCreateInfo multisample = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT,
};
VkPipelineViewportStateCreateInfo viewport = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.viewportCount = 1,
.scissorCount = 1,
};
VkDynamicState dynStates[2] = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
VkPipelineDynamicStateCreateInfo dynamic = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.pDynamicStates = dynStates,
.dynamicStateCount = 2,
};
VkPipelineVertexInputStateCreateInfo vertex = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
};
VkGraphicsPipelineCreateInfo pinfo = {
.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.layout = pipe_layout,
.renderPass = rp,
.subpass = 0,
.stageCount = 2,
.pStages = tex_stages,
.pInputAssemblyState = &assembly,
.pRasterizationState = &rasterization,
.pColorBlendState = &blend,
.pMultisampleState = &multisample,
.pViewportState = &viewport,
.pDynamicState = &dynamic,
.pVertexInputState = &vertex,
};
// NOTE: use could use a cache here for faster loading
// store it somewhere like $XDG_CACHE_HOME/wlroots/vk_pipe_cache
VkPipelineCache cache = VK_NULL_HANDLE;
res = vkCreateGraphicsPipelines(dev, cache, 1, &pinfo, NULL, pipe);
if (res != VK_SUCCESS) {
wlr_vk_error("failed to create vulkan pipelines:", res);
return false;
}
return true;
}
// Creates static render data, such as sampler, layouts and shader modules
// for the given rednerer.
// Cleanup is done by destroying the renderer.
static bool init_static_render_data(struct wlr_vk_renderer *renderer) {
VkResult res;
VkDevice dev = renderer->dev->dev;
// default sampler (non ycbcr)
VkSamplerCreateInfo sampler_info = {
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_LINEAR,
.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT,
.maxAnisotropy = 1.f,
.minLod = 0.f,
.maxLod = 0.25f,
.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK,
};
res = vkCreateSampler(dev, &sampler_info, NULL, &renderer->sampler);
if (res != VK_SUCCESS) {
wlr_vk_error("Failed to create sampler", res);
return false;
}
if (renderer->dev->sampler_ycbcr_conversion && !init_nv12_sampler(renderer, &renderer->nv12_sampler)) {
return false;
}
if (!init_tex_layouts(renderer, renderer->sampler,
&renderer->ds_layout, &renderer->pipe_layout)) {
return false;
}
if (renderer->dev->sampler_ycbcr_conversion && !init_tex_layouts(renderer, renderer->nv12_sampler,
&renderer->nv12_ds_layout, &renderer->nv12_pipe_layout)) {
return false;
}
// load vert module and tex frag module since they are needed to
// initialize the tex pipeline
VkShaderModuleCreateInfo sinfo = {
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.codeSize = sizeof(common_vert_data),
.pCode = common_vert_data,
};
res = vkCreateShaderModule(dev, &sinfo, NULL, &renderer->vert_module);
if (res != VK_SUCCESS) {
wlr_vk_error("Failed to create vertex shader module", res);
return false;
}
// tex frags
sinfo = (VkShaderModuleCreateInfo){
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.codeSize = sizeof(texture_frag_data),
.pCode = texture_frag_data,
};
res = vkCreateShaderModule(dev, &sinfo, NULL, &renderer->tex_frag_module);
if (res != VK_SUCCESS) {
wlr_vk_error("Failed to create tex fragment shader module", res);
return false;
}
// quad frag
sinfo = (VkShaderModuleCreateInfo){
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.codeSize = sizeof(quad_frag_data),
.pCode = quad_frag_data,
};
res = vkCreateShaderModule(dev, &sinfo, NULL, &renderer->quad_frag_module);
if (res != VK_SUCCESS) {
wlr_vk_error("Failed to create quad fragment shader module", res);
return false;
}
return true;
}
static struct wlr_vk_render_format_setup *find_or_create_render_setup(
struct wlr_vk_renderer *renderer, VkFormat format) {
struct wlr_vk_render_format_setup *setup;
wl_list_for_each(setup, &renderer->render_format_setups, link) {
if (setup->render_format == format) {
return setup;
}
}
setup = calloc(1u, sizeof(*setup));
if (!setup) {
wlr_log(WLR_ERROR, "Allocation failed");
return NULL;
}
setup->render_format = format;
// util
VkDevice dev = renderer->dev->dev;
VkResult res;
VkAttachmentDescription attachment = {
.format = format,
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = VK_IMAGE_LAYOUT_GENERAL,
.finalLayout = VK_IMAGE_LAYOUT_GENERAL,
};
VkAttachmentReference color_ref = {
.attachment = 0u,
.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
};
VkSubpassDescription subpass = {
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.colorAttachmentCount = 1,
.pColorAttachments = &color_ref,
};
VkSubpassDependency deps[2] = {
{
.srcSubpass = VK_SUBPASS_EXTERNAL,
.srcStageMask = VK_PIPELINE_STAGE_HOST_BIT |
VK_PIPELINE_STAGE_TRANSFER_BIT |
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT |
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT |
VK_ACCESS_TRANSFER_WRITE_BIT |
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.dstSubpass = 0,
.dstStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
.dstAccessMask = VK_ACCESS_UNIFORM_READ_BIT |
VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT |
VK_ACCESS_INDIRECT_COMMAND_READ_BIT |
VK_ACCESS_SHADER_READ_BIT,
},
{
.srcSubpass = 0,
.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.dstSubpass = VK_SUBPASS_EXTERNAL,
.dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT |
VK_PIPELINE_STAGE_HOST_BIT | VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT |
VK_ACCESS_MEMORY_READ_BIT,
},
};
VkRenderPassCreateInfo rp_info = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
.attachmentCount = 1,
.pAttachments = &attachment,
.subpassCount = 1,
.pSubpasses = &subpass,
.dependencyCount = 2u,
.pDependencies = deps,
};
res = vkCreateRenderPass(dev, &rp_info, NULL, &setup->render_pass);
if (res != VK_SUCCESS) {
wlr_vk_error("Failed to create render pass", res);
free(setup);
return NULL;
}
if (!init_tex_pipeline(renderer, setup->render_pass, renderer->pipe_layout,
WLR_VK_TEXTURE_TRANSFORM_IDENTITY, &setup->tex_identity_pipe)) {
goto error;
}
if (!init_tex_pipeline(renderer, setup->render_pass, renderer->pipe_layout,
WLR_VK_TEXTURE_TRANSFORM_SRGB, &setup->tex_srgb_pipe)) {
goto error;
}
if (renderer->dev->sampler_ycbcr_conversion && !init_tex_pipeline(renderer,
setup->render_pass, renderer->nv12_pipe_layout,
WLR_VK_TEXTURE_TRANSFORM_SRGB, &setup->tex_nv12_pipe)) {
goto error;
}
VkPipelineShaderStageCreateInfo quad_stages[2] = {
{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.module = renderer->vert_module,
.pName = "main",
},
{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.module = renderer->quad_frag_module,
.pName = "main",
},
};
// info
VkPipelineInputAssemblyStateCreateInfo assembly = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN,
};
VkPipelineRasterizationStateCreateInfo rasterization = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.polygonMode = VK_POLYGON_MODE_FILL,
.cullMode = VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
.lineWidth = 1.f,
};
VkPipelineColorBlendAttachmentState blend_attachment = {
.blendEnable = true,
.srcColorBlendFactor = VK_BLEND_FACTOR_ONE,
.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.colorBlendOp = VK_BLEND_OP_ADD,
.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
.alphaBlendOp = VK_BLEND_OP_ADD,
.colorWriteMask =
VK_COLOR_COMPONENT_R_BIT |
VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT |
VK_COLOR_COMPONENT_A_BIT,
};
VkPipelineColorBlendStateCreateInfo blend = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.attachmentCount = 1,
.pAttachments = &blend_attachment,
};
VkPipelineMultisampleStateCreateInfo multisample = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT,
};
VkPipelineViewportStateCreateInfo viewport = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.viewportCount = 1,
.scissorCount = 1,
};
VkDynamicState dynStates[2] = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
VkPipelineDynamicStateCreateInfo dynamic = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.pDynamicStates = dynStates,
.dynamicStateCount = 2,
};
VkPipelineVertexInputStateCreateInfo vertex = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
};
VkGraphicsPipelineCreateInfo pinfo = {
.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.layout = renderer->pipe_layout,
.renderPass = setup->render_pass,
.subpass = 0,
.stageCount = 2,
.pStages = quad_stages,
.pInputAssemblyState = &assembly,
.pRasterizationState = &rasterization,
.pColorBlendState = &blend,
.pMultisampleState = &multisample,
.pViewportState = &viewport,
.pDynamicState = &dynamic,
.pVertexInputState = &vertex,
};
// NOTE: use could use a cache here for faster loading
// store it somewhere like $XDG_CACHE_HOME/wlroots/vk_pipe_cache.bin
VkPipelineCache cache = VK_NULL_HANDLE;
res = vkCreateGraphicsPipelines(dev, cache, 1, &pinfo, NULL, &setup->quad_pipe);
if (res != VK_SUCCESS) {
wlr_log(WLR_ERROR, "failed to create vulkan quad pipeline: %d", res);
goto error;
}
wl_list_insert(&renderer->render_format_setups, &setup->link);
return setup;
error:
destroy_render_format_setup(renderer, setup);
return NULL;
}
struct wlr_renderer *vulkan_renderer_create_for_device(struct wlr_vk_device *dev) {
struct wlr_vk_renderer *renderer;
VkResult res;
if (!(renderer = calloc(1, sizeof(*renderer)))) {
wlr_log_errno(WLR_ERROR, "failed to allocate wlr_vk_renderer");
return NULL;
}
renderer->dev = dev;
wlr_renderer_init(&renderer->wlr_renderer, &renderer_impl);
wl_list_init(&renderer->stage.buffers);
wl_list_init(&renderer->foreign_textures);
wl_list_init(&renderer->textures);
wl_list_init(&renderer->descriptor_pools);
wl_list_init(&renderer->render_format_setups);
wl_list_init(&renderer->render_buffers);
if (!init_static_render_data(renderer)) {
goto error;
}
// command pool
VkCommandPoolCreateInfo cpool_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
.queueFamilyIndex = dev->queue_family,
};
res = vkCreateCommandPool(dev->dev, &cpool_info, NULL,
&renderer->command_pool);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateCommandPool", res);
goto error;
}
VkSemaphoreTypeCreateInfoKHR semaphore_type_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_TYPE_CREATE_INFO_KHR,
.semaphoreType = VK_SEMAPHORE_TYPE_TIMELINE_KHR,
.initialValue = 0,
};
VkSemaphoreCreateInfo semaphore_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
.pNext = &semaphore_type_info,
};
res = vkCreateSemaphore(dev->dev, &semaphore_info, NULL,
&renderer->timeline_semaphore);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateSemaphore", res);
goto error;
}
return &renderer->wlr_renderer;
error:
vulkan_destroy(&renderer->wlr_renderer);
return NULL;
}
struct wlr_renderer *wlr_vk_renderer_create_with_drm_fd(int drm_fd) {
wlr_log(WLR_INFO, "The vulkan renderer is only experimental and "
"not expected to be ready for daily use");
wlr_log(WLR_INFO, "Run with VK_INSTANCE_LAYERS=VK_LAYER_KHRONOS_validation "
"to enable the validation layer");
// NOTE: we could add functionality to allow the compositor passing its
// name and version to this function. Just use dummies until then,
// shouldn't be relevant to the driver anyways
struct wlr_vk_instance *ini = vulkan_instance_create(default_debug);
if (!ini) {
wlr_log(WLR_ERROR, "creating vulkan instance for renderer failed");
return NULL;
}
VkPhysicalDevice phdev = vulkan_find_drm_phdev(ini, drm_fd);
if (!phdev) {
// We rather fail here than doing some guesswork
wlr_log(WLR_ERROR, "Could not match drm and vulkan device");
return NULL;
}
// queue families
uint32_t qfam_count;
vkGetPhysicalDeviceQueueFamilyProperties(phdev, &qfam_count, NULL);
VkQueueFamilyProperties queue_props[qfam_count];
vkGetPhysicalDeviceQueueFamilyProperties(phdev, &qfam_count,
queue_props);
struct wlr_vk_device *dev = vulkan_device_create(ini, phdev);
if (!dev) {
wlr_log(WLR_ERROR, "Failed to create vulkan device");
vulkan_instance_destroy(ini);
return NULL;
}
// Do not use the drm_fd that was passed in: we should prefer the render
// node even if a primary node was provided
dev->drm_fd = vulkan_open_phdev_drm_fd(phdev);
if (dev->drm_fd < 0) {
vulkan_device_destroy(dev);
vulkan_instance_destroy(ini);
return NULL;
}
return vulkan_renderer_create_for_device(dev);
}
VkInstance wlr_vk_renderer_get_instance(struct wlr_renderer *renderer) {
struct wlr_vk_renderer *vk_renderer = vulkan_get_renderer(renderer);
return vk_renderer->dev->instance->instance;
}
VkPhysicalDevice wlr_vk_renderer_get_physical_device(struct wlr_renderer *renderer) {
struct wlr_vk_renderer *vk_renderer = vulkan_get_renderer(renderer);
return vk_renderer->dev->phdev;
}
VkDevice wlr_vk_renderer_get_device(struct wlr_renderer *renderer) {
struct wlr_vk_renderer *vk_renderer = vulkan_get_renderer(renderer);
return vk_renderer->dev->dev;
}
uint32_t wlr_vk_renderer_get_queue_family(struct wlr_renderer *renderer) {
struct wlr_vk_renderer *vk_renderer = vulkan_get_renderer(renderer);
return vk_renderer->dev->queue_family;
}
void wlr_vk_renderer_get_current_image_attribs(struct wlr_renderer *renderer,
struct wlr_vk_image_attribs *attribs) {
struct wlr_vk_renderer *vk_renderer = vulkan_get_renderer(renderer);
attribs->image = vk_renderer->current_render_buffer->image;
attribs->format = vk_renderer->current_render_buffer->render_setup->render_format;
attribs->layout = VK_IMAGE_LAYOUT_UNDEFINED;
}
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