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render/vulkan: add support for output color transforms

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master
Manuel Stoeckl 12 months ago committed by Simon Ser
parent e443434876
commit ffdbfdbbbd
4 changed files with 316 additions and 8 deletions
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23
include/render/vulkan.h
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@ -248,6 +248,8 @@ struct wlr_vk_command_buffer {
struct wl_list destroy_textures; // wlr_vk_texture.destroy_link
// Staging shared buffers to release after the command buffer completes
struct wl_list stage_buffers; // wlr_vk_shared_buffer.link
// Color transform to unref after the command buffer completes
struct wlr_color_transform *color_transform;
// For DMA-BUF implicit sync interop, may be NULL
VkSemaphore binary_semaphore;
@ -302,6 +304,8 @@ struct wlr_vk_renderer {
struct wl_list render_buffers; // wlr_vk_render_buffer.link
struct wl_list color_transforms; // wlr_vk_color_transform.link
// Pool of command buffers
struct wlr_vk_command_buffer command_buffers[VULKAN_COMMAND_BUFFERS_CAP];
@ -373,10 +377,11 @@ struct wlr_vk_render_pass {
float projection[9];
bool failed;
bool srgb_pathway; // if false, rendering via intermediate blending buffer
struct wlr_color_transform *color_transform;
};
struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *renderer,
struct wlr_vk_render_buffer *buffer);
struct wlr_vk_render_buffer *buffer, const struct wlr_buffer_pass_options *options);
// Suballocates a buffer span with the given size that can be mapped
// and used as staging buffer. The allocation is implicitly released when the
@ -487,6 +492,22 @@ struct wlr_vk_buffer_span {
struct wlr_vk_allocation alloc;
};
// Lookup table for a color transform
struct wlr_vk_color_transform {
struct wlr_addon addon; // owned by: wlr_vk_renderer
struct wl_list link; // wlr_vk_renderer, list of all color transforms
struct {
VkImage image;
VkImageView image_view;
VkDeviceMemory memory;
VkDescriptorSet ds;
struct wlr_vk_descriptor_pool *ds_pool;
} lut_3d;
};
void vk_color_transform_destroy(struct wlr_addon *addon);
// util
const char *vulkan_strerror(VkResult err);
void vulkan_change_layout(VkCommandBuffer cb, VkImage img,

3
include/wlr/render/pass.h
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@ -30,6 +30,9 @@ struct wlr_render_timer;
struct wlr_buffer_pass_options {
/* Timer to measure the duration of the render pass */
struct wlr_render_timer *timer;
/* Color transform to apply to the output of the render pass,
* leave NULL to indicate sRGB/no custom transform */
struct wlr_color_transform *color_transform;
};
/**

282
render/vulkan/pass.c
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@ -2,11 +2,14 @@
#include <drm_fourcc.h>
#include <stdlib.h>
#include <wlr/util/log.h>
#include <wlr/render/color.h>
#include "render/color.h"
#include "render/vulkan.h"
#include "types/wlr_matrix.h"
static const struct wlr_render_pass_impl render_pass_impl;
static const struct wlr_addon_interface vk_color_transform_impl;
static struct wlr_vk_render_pass *get_render_pass(struct wlr_render_pass *wlr_pass) {
assert(wlr_pass->impl == &render_pass_impl);
@ -14,6 +17,16 @@ static struct wlr_vk_render_pass *get_render_pass(struct wlr_render_pass *wlr_pa
return pass;
}
static struct wlr_vk_color_transform *get_color_transform(
struct wlr_color_transform *c, struct wlr_vk_renderer *renderer) {
struct wlr_addon *a = wlr_addon_find(&c->addons, renderer, &vk_color_transform_impl);
if (!a) {
return NULL;
}
struct wlr_vk_color_transform *transform = wl_container_of(a, transform, addon);
return transform;
}
static void bind_pipeline(struct wlr_vk_render_pass *pass, VkPipeline pipeline) {
if (pipeline == pass->bound_pipeline) {
return;
@ -103,21 +116,36 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
.uv_off = { 0, 0 },
.uv_size = { 1, 1 },
};
size_t dim = pass->color_transform ? pass->color_transform->lut3d.dim_len : 1;
struct wlr_vk_frag_output_pcr_data frag_pcr_data = {
.lut_3d_offset = 0.5f / 1,
.lut_3d_scale = (float)(1 - 1) / 1,
.lut_3d_offset = 0.5f / dim,
.lut_3d_scale = (float)(dim - 1) / dim,
};
mat3_to_mat4(final_matrix, vert_pcr_data.mat4);
bind_pipeline(pass, render_buffer->plain.render_setup->output_pipe_srgb);
if (pass->color_transform) {
bind_pipeline(pass, render_buffer->plain.render_setup->output_pipe_lut3d);
} else {
bind_pipeline(pass, render_buffer->plain.render_setup->output_pipe_srgb);
}
vkCmdPushConstants(render_cb->vk, renderer->output_pipe_layout,
VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
vkCmdPushConstants(render_cb->vk, renderer->output_pipe_layout,
VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(vert_pcr_data),
sizeof(frag_pcr_data), &frag_pcr_data);
VkDescriptorSet lut_ds;
if (pass->color_transform && pass->color_transform->type == COLOR_TRANSFORM_LUT_3D) {
struct wlr_vk_color_transform *transform =
get_color_transform(pass->color_transform, renderer);
assert(transform);
lut_ds = transform->lut_3d.ds;
} else {
lut_ds = renderer->output_ds_lut3d_dummy;
}
VkDescriptorSet ds[] = {
render_buffer->plain.blend_descriptor_set, // set 0
renderer->output_ds_lut3d_dummy, // set 1
lut_ds, // set 1
};
size_t ds_len = sizeof(ds) / sizeof(ds[0]);
vkCmdBindDescriptorSets(render_cb->vk,
@ -679,9 +707,247 @@ static const struct wlr_render_pass_impl render_pass_impl = {
.add_texture = render_pass_add_texture,
};
void vk_color_transform_destroy(struct wlr_addon *addon) {
struct wlr_vk_renderer *renderer = (struct wlr_vk_renderer *)addon->owner;
struct wlr_vk_color_transform *transform = wl_container_of(addon, transform, addon);
VkDevice dev = renderer->dev->dev;
if (transform->lut_3d.image) {
vkDestroyImage(dev, transform->lut_3d.image, NULL);
vkDestroyImageView(dev, transform->lut_3d.image_view, NULL);
vkFreeMemory(dev, transform->lut_3d.memory, NULL);
vulkan_free_ds(renderer, transform->lut_3d.ds_pool, transform->lut_3d.ds);
}
wl_list_remove(&transform->link);
wlr_addon_finish(&transform->addon);
free(transform);
}
static bool create_3d_lut_image(struct wlr_vk_renderer *renderer,
const struct wlr_color_transform_lut3d *lut_3d,
VkImage *image, VkImageView *image_view,
VkDeviceMemory *memory, VkDescriptorSet *ds,
struct wlr_vk_descriptor_pool **ds_pool) {
VkDevice dev = renderer->dev->dev;
VkResult res;
*image = VK_NULL_HANDLE;
*memory = VK_NULL_HANDLE;
*image_view = VK_NULL_HANDLE;
*ds = VK_NULL_HANDLE;
*ds_pool = NULL;
// R32G32B32 is not a required Vulkan format
// TODO: use it when available
VkFormat format = VK_FORMAT_R32G32B32A32_SFLOAT;
VkImageCreateInfo img_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.imageType = VK_IMAGE_TYPE_3D,
.format = format,
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.extent = (VkExtent3D) { lut_3d->dim_len, lut_3d->dim_len, lut_3d->dim_len },
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT,
};
res = vkCreateImage(dev, &img_info, NULL, image);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateImage failed", res);
return NULL;
}
VkMemoryRequirements mem_reqs = {0};
vkGetImageMemoryRequirements(dev, *image, &mem_reqs);
int mem_type_index = vulkan_find_mem_type(renderer->dev,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, mem_reqs.memoryTypeBits);
if (mem_type_index == -1) {
wlr_log(WLR_ERROR, "Failed to find suitable memory type");
goto fail_image;
}
VkMemoryAllocateInfo mem_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.allocationSize = mem_reqs.size,
.memoryTypeIndex = mem_type_index,
};
res = vkAllocateMemory(dev, &mem_info, NULL, memory);
if (res != VK_SUCCESS) {
wlr_vk_error("vkAllocateMemory failed", res);
goto fail_image;
}
res = vkBindImageMemory(dev, *image, *memory, 0);
if (res != VK_SUCCESS) {
wlr_vk_error("vkBindMemory failed", res);
goto fail_memory;
}
VkImageViewCreateInfo view_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.viewType = VK_IMAGE_VIEW_TYPE_3D,
.format = format,
.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,
},
.image = *image,
};
res = vkCreateImageView(dev, &view_info, NULL, image_view);
if (res != VK_SUCCESS) {
wlr_vk_error("vkCreateImageView failed", res);
goto fail_image;
}
size_t bytes_per_block = 4 * sizeof(float);
size_t size = lut_3d->dim_len * lut_3d->dim_len * lut_3d->dim_len * bytes_per_block;
struct wlr_vk_buffer_span span = vulkan_get_stage_span(renderer,
size, bytes_per_block);
if (!span.buffer || span.alloc.size != size) {
wlr_log(WLR_ERROR, "Failed to retrieve staging buffer");
goto fail_imageview;
}
void *data;
res = vkMapMemory(dev, span.buffer->memory, span.alloc.start, size, 0, &data);
if (res != VK_SUCCESS) {
wlr_vk_error("vkMapMemory", res);
goto fail_imageview;
}
float *dst = data;
size_t dim_len = lut_3d->dim_len;
for (size_t b_index = 0; b_index < dim_len; b_index++) {
for (size_t g_index = 0; g_index < dim_len; g_index++) {
for (size_t r_index = 0; r_index < dim_len; r_index++) {
size_t sample_index = r_index + dim_len * g_index + dim_len * dim_len * b_index;
size_t src_offset = 3 * sample_index;
size_t dst_offset = 4 * sample_index;
dst[dst_offset] = lut_3d->lut_3d[src_offset];
dst[dst_offset + 1] = lut_3d->lut_3d[src_offset + 1];
dst[dst_offset + 2] = lut_3d->lut_3d[src_offset + 2];
dst[dst_offset + 3] = 1.0;
}
}
}
vkUnmapMemory(dev, span.buffer->memory);
VkCommandBuffer cb = vulkan_record_stage_cb(renderer);
vulkan_change_layout(cb, *image,
VK_IMAGE_LAYOUT_UNDEFINED, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT);
VkBufferImageCopy copy = {
.bufferOffset = span.alloc.start,
.imageExtent.width = lut_3d->dim_len,
.imageExtent.height = lut_3d->dim_len,
.imageExtent.depth = lut_3d->dim_len,
.imageSubresource.layerCount = 1,
.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
};
vkCmdCopyBufferToImage(cb, span.buffer->buffer, *image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy);
vulkan_change_layout(cb, *image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, VK_ACCESS_SHADER_READ_BIT);
*ds_pool = vulkan_alloc_texture_ds(renderer,
renderer->output_ds_lut3d_layout, ds);
if (!*ds_pool) {
wlr_log(WLR_ERROR, "Failed to allocate descriptor");
goto fail_imageview;
}
VkDescriptorImageInfo ds_img_info = {
.imageView = *image_view,
.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
};
VkWriteDescriptorSet ds_write = {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.dstSet = *ds,
.pImageInfo = &ds_img_info,
};
vkUpdateDescriptorSets(dev, 1, &ds_write, 0, NULL);
return true;
fail_imageview:
vkDestroyImageView(dev, *image_view, NULL);
fail_memory:
vkFreeMemory(dev, *memory, NULL);
fail_image:
vkDestroyImage(dev, *image, NULL);
return false;
}
static struct wlr_vk_color_transform *vk_color_transform_create(
struct wlr_vk_renderer *renderer, struct wlr_color_transform *transform) {
struct wlr_vk_color_transform *vk_transform =
calloc(1, sizeof(*vk_transform));
if (!vk_transform) {
return NULL;
}
if (transform->type == COLOR_TRANSFORM_LUT_3D) {
if (!create_3d_lut_image(renderer, &transform->lut3d,
&vk_transform->lut_3d.image,
&vk_transform->lut_3d.image_view,
&vk_transform->lut_3d.memory,
&vk_transform->lut_3d.ds,
&vk_transform->lut_3d.ds_pool)) {
free(vk_transform);
return NULL;
}
}
wlr_addon_init(&vk_transform->addon, &transform->addons,
renderer, &vk_color_transform_impl);
wl_list_insert(&renderer->color_transforms, &vk_transform->link);
return vk_transform;
}
static const struct wlr_addon_interface vk_color_transform_impl = {
"vk_color_transform",
.destroy = vk_color_transform_destroy,
};
struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *renderer,
struct wlr_vk_render_buffer *buffer) {
bool using_srgb_pathway = buffer->srgb.framebuffer != VK_NULL_HANDLE;
struct wlr_vk_render_buffer *buffer, const struct wlr_buffer_pass_options *options) {
bool using_srgb_pathway;
if (options != NULL && options->color_transform != NULL) {
using_srgb_pathway = false;
if (!get_color_transform(options->color_transform, renderer)) {
/* Try to create a new color transform */
if (!vk_color_transform_create(renderer, options->color_transform)) {
wlr_log(WLR_ERROR, "Failed to create color transform");
return NULL;
}
}
} else {
// Use srgb pathway if it is the default/has already been set up
using_srgb_pathway = buffer->srgb.framebuffer != VK_NULL_HANDLE;
}
if (!using_srgb_pathway && !buffer->plain.image_view) {
struct wlr_dmabuf_attributes attribs;
@ -700,6 +966,10 @@ struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *rend
wlr_render_pass_init(&pass->base, &render_pass_impl);
pass->renderer = renderer;
pass->srgb_pathway = using_srgb_pathway;
if (options != NULL && options->color_transform != NULL) {
wlr_color_transform_ref(options->color_transform);
pass->color_transform = options->color_transform;
}
rect_union_init(&pass->updated_region);

16
render/vulkan/renderer.c
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@ -8,6 +8,7 @@
#include <unistd.h>
#include <drm_fourcc.h>
#include <vulkan/vulkan.h>
#include <wlr/render/color.h>
#include <wlr/render/interface.h>
#include <wlr/types/wlr_drm.h>
#include <wlr/util/box.h>
@ -457,6 +458,11 @@ static void release_command_buffer_resources(struct wlr_vk_command_buffer *cb,
wl_list_remove(&buf->link);
wl_list_insert(&renderer->stage.buffers, &buf->link);
}
if (cb->color_transform) {
wlr_color_transform_unref(cb->color_transform);
cb->color_transform = NULL;
}
}
static struct wlr_vk_command_buffer *get_command_buffer(
@ -1074,6 +1080,12 @@ static void vulkan_destroy(struct wlr_renderer *wlr_renderer) {
destroy_render_buffer(render_buffer);
}
struct wlr_vk_color_transform *color_transform, *color_transform_tmp;
wl_list_for_each_safe(color_transform, color_transform_tmp,
&renderer->color_transforms, link) {
vk_color_transform_destroy(&color_transform->addon);
}
struct wlr_vk_render_format_setup *setup, *tmp_setup;
wl_list_for_each_safe(setup, tmp_setup,
&renderer->render_format_setups, link) {
@ -1380,7 +1392,8 @@ static struct wlr_render_pass *vulkan_begin_buffer_pass(struct wlr_renderer *wlr
}
}
struct wlr_vk_render_pass *render_pass = vulkan_begin_render_pass(renderer, render_buffer);
struct wlr_vk_render_pass *render_pass = vulkan_begin_render_pass(
renderer, render_buffer, options);
if (render_pass == NULL) {
return NULL;
}
@ -2397,6 +2410,7 @@ struct wlr_renderer *vulkan_renderer_create_for_device(struct wlr_vk_device *dev
wl_list_init(&renderer->output_descriptor_pools);
wl_list_init(&renderer->render_format_setups);
wl_list_init(&renderer->render_buffers);
wl_list_init(&renderer->color_transforms);
wl_list_init(&renderer->pipeline_layouts);
if (!init_static_render_data(renderer)) {

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