mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2025-11-03 09:01:40 -05:00
336 lines
11 KiB
C
336 lines
11 KiB
C
#include <drm_fourcc.h>
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#include <stdlib.h>
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#include <vulkan/vulkan.h>
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#include <wlr/util/log.h>
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#include <xf86drm.h>
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#include "render/vulkan.h"
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// Reversed endianess of shm and vulkan format names
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static const struct wlr_vk_format formats[] = {
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{
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.drm_format = DRM_FORMAT_ARGB8888,
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.vk_format = VK_FORMAT_B8G8R8A8_SRGB,
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},
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{
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.drm_format = DRM_FORMAT_XRGB8888,
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.vk_format = VK_FORMAT_B8G8R8A8_SRGB,
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},
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{
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.drm_format = DRM_FORMAT_XBGR8888,
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.vk_format = VK_FORMAT_R8G8B8A8_SRGB,
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},
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{
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.drm_format = DRM_FORMAT_ABGR8888,
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.vk_format = VK_FORMAT_R8G8B8A8_SRGB,
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},
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};
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const struct wlr_vk_format *vulkan_get_format_list(size_t *len) {
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*len = sizeof(formats) / sizeof(formats[0]);
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return formats;
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}
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const struct wlr_vk_format *vulkan_get_format_from_drm(uint32_t drm_format) {
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for (unsigned i = 0; i < sizeof(formats) / sizeof(formats[0]); ++i) {
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if (formats[i].drm_format == drm_format) {
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return &formats[i];
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}
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}
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return NULL;
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}
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static const VkImageUsageFlags render_usage =
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VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
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static const VkImageUsageFlags tex_usage =
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VK_IMAGE_USAGE_SAMPLED_BIT |
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VK_IMAGE_USAGE_TRANSFER_DST_BIT;
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static const VkImageUsageFlags dma_tex_usage =
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VK_IMAGE_USAGE_SAMPLED_BIT;
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static const VkFormatFeatureFlags tex_features =
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VK_FORMAT_FEATURE_TRANSFER_SRC_BIT |
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VK_FORMAT_FEATURE_TRANSFER_DST_BIT |
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VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
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// NOTE: we don't strictly require this, we could create a NEAREST
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// sampler for formats that need it, in case this ever makes problems.
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VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
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static const VkFormatFeatureFlags render_features =
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VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
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VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
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static const VkFormatFeatureFlags dma_tex_features =
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VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
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// NOTE: we don't strictly require this, we could create a NEAREST
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// sampler for formats that need it, in case this ever makes problems.
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VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
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static bool query_modifier_support(struct wlr_vk_device *dev,
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struct wlr_vk_format_props *props, size_t modifier_count,
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VkPhysicalDeviceImageFormatInfo2 fmti) {
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VkResult res;
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VkFormatProperties2 fmtp = {0};
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fmtp.sType = VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2;
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VkDrmFormatModifierPropertiesListEXT modp = {0};
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modp.sType = VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT;
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modp.drmFormatModifierCount = modifier_count;
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fmtp.pNext = &modp;
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// the first call to vkGetPhysicalDeviceFormatProperties2 did only
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// retrieve the number of modifiers, we now have to retrieve
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// the modifiers
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modp.pDrmFormatModifierProperties = calloc(modifier_count,
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sizeof(*modp.pDrmFormatModifierProperties));
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if (!modp.pDrmFormatModifierProperties) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return false;
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}
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vkGetPhysicalDeviceFormatProperties2(dev->phdev,
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props->format.vk_format, &fmtp);
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props->render_mods = calloc(modp.drmFormatModifierCount,
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sizeof(*props->render_mods));
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if (!props->render_mods) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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free(modp.pDrmFormatModifierProperties);
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return false;
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}
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props->texture_mods = calloc(modp.drmFormatModifierCount,
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sizeof(*props->texture_mods));
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if (!props->texture_mods) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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free(modp.pDrmFormatModifierProperties);
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free(props->render_mods);
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return false;
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}
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// detailed check
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// format info
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// only added if dmabuf/drm_fmt_ext supported
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VkPhysicalDeviceExternalImageFormatInfo efmti = {0};
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efmti.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO;
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efmti.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT;
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fmti.tiling = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT;
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fmti.pNext = &efmti;
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VkPhysicalDeviceImageDrmFormatModifierInfoEXT modi = {0};
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modi.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT;
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modi.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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efmti.pNext = &modi;
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// format properties
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VkExternalImageFormatProperties efmtp = {0};
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efmtp.sType = VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES;
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VkImageFormatProperties2 ifmtp = {0};
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ifmtp.sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2;
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ifmtp.pNext = &efmtp;
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const VkExternalMemoryProperties *emp = &efmtp.externalMemoryProperties;
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bool found = false;
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for (unsigned i = 0u; i < modp.drmFormatModifierCount; ++i) {
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VkDrmFormatModifierPropertiesEXT m =
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modp.pDrmFormatModifierProperties[i];
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const char *render_status, *texture_status;
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// check that specific modifier for render usage
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if ((m.drmFormatModifierTilingFeatures & render_features) == render_features) {
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fmti.usage = render_usage;
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modi.drmFormatModifier = m.drmFormatModifier;
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res = vkGetPhysicalDeviceImageFormatProperties2(
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dev->phdev, &fmti, &ifmtp);
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if (res != VK_SUCCESS) {
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if (res != VK_ERROR_FORMAT_NOT_SUPPORTED) {
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wlr_vk_error("vkGetPhysicalDeviceImageFormatProperties2",
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res);
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}
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render_status = "✗ render (unsupported format)";
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} else if (emp->externalMemoryFeatures &
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VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT) {
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unsigned c = props->render_mod_count;
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VkExtent3D me = ifmtp.imageFormatProperties.maxExtent;
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VkExternalMemoryProperties emp = efmtp.externalMemoryProperties;
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props->render_mods[c].props = m;
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props->render_mods[c].max_extent.width = me.width;
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props->render_mods[c].max_extent.height = me.height;
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props->render_mods[c].dmabuf_flags = emp.externalMemoryFeatures;
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props->render_mods[c].export_imported =
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(emp.exportFromImportedHandleTypes &
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VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
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++props->render_mod_count;
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found = true;
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wlr_drm_format_set_add(&dev->dmabuf_render_formats,
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props->format.drm_format, m.drmFormatModifier);
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render_status = "✓ render";
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} else {
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render_status = "✗ render (import not supported)";
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}
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} else {
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render_status = "✗ render (missing required features)";
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}
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// check that specific modifier for texture usage
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if ((m.drmFormatModifierTilingFeatures & dma_tex_features) == dma_tex_features) {
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fmti.usage = dma_tex_usage;
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modi.drmFormatModifier = m.drmFormatModifier;
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res = vkGetPhysicalDeviceImageFormatProperties2(
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dev->phdev, &fmti, &ifmtp);
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if (res != VK_SUCCESS) {
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if (res != VK_ERROR_FORMAT_NOT_SUPPORTED) {
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wlr_vk_error("vkGetPhysicalDeviceImageFormatProperties2",
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res);
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}
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texture_status = "✗ texture (unsupported format)";
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} else if (emp->externalMemoryFeatures &
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VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT) {
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unsigned c = props->texture_mod_count;
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VkExtent3D me = ifmtp.imageFormatProperties.maxExtent;
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VkExternalMemoryProperties emp = efmtp.externalMemoryProperties;
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props->texture_mods[c].props = m;
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props->texture_mods[c].max_extent.width = me.width;
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props->texture_mods[c].max_extent.height = me.height;
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props->texture_mods[c].dmabuf_flags = emp.externalMemoryFeatures;
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props->texture_mods[c].export_imported =
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(emp.exportFromImportedHandleTypes &
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VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
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++props->texture_mod_count;
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found = true;
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wlr_drm_format_set_add(&dev->dmabuf_texture_formats,
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props->format.drm_format, m.drmFormatModifier);
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texture_status = "✓ texture";
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} else {
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texture_status = "✗ texture (import not supported)";
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}
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} else {
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texture_status = "✗ texture (missing required features)";
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}
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char *modifier_name = drmGetFormatModifierName(m.drmFormatModifier);
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wlr_log(WLR_DEBUG, " DMA-BUF modifier %s "
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"(0x%016"PRIX64", %"PRIu32" planes): %s %s",
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modifier_name ? modifier_name : "<unknown>", m.drmFormatModifier,
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m.drmFormatModifierPlaneCount, texture_status, render_status);
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free(modifier_name);
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}
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free(modp.pDrmFormatModifierProperties);
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return found;
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}
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void vulkan_format_props_query(struct wlr_vk_device *dev,
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const struct wlr_vk_format *format) {
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VkResult res;
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char *format_name = drmGetFormatName(format->drm_format);
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wlr_log(WLR_DEBUG, " %s (0x%08"PRIX32")",
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format_name ? format_name : "<unknown>", format->drm_format);
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free(format_name);
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// get general features and modifiers
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VkFormatProperties2 fmtp = {0};
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fmtp.sType = VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2;
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VkDrmFormatModifierPropertiesListEXT modp = {0};
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modp.sType = VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT;
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fmtp.pNext = &modp;
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vkGetPhysicalDeviceFormatProperties2(dev->phdev,
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format->vk_format, &fmtp);
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// detailed check
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VkPhysicalDeviceImageFormatInfo2 fmti = {0};
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fmti.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2;
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fmti.type = VK_IMAGE_TYPE_2D;
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fmti.format = format->vk_format;
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VkImageFormatProperties2 ifmtp = {0};
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ifmtp.sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2;
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bool add_fmt_props = false;
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struct wlr_vk_format_props props = {0};
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props.format = *format;
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// non-dmabuf texture properties
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const char *shm_texture_status;
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if ((fmtp.formatProperties.optimalTilingFeatures & tex_features) == tex_features) {
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fmti.pNext = NULL;
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ifmtp.pNext = NULL;
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fmti.tiling = VK_IMAGE_TILING_OPTIMAL;
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fmti.usage = tex_usage;
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res = vkGetPhysicalDeviceImageFormatProperties2(
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dev->phdev, &fmti, &ifmtp);
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if (res != VK_SUCCESS) {
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if (res != VK_ERROR_FORMAT_NOT_SUPPORTED) {
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wlr_vk_error("vkGetPhysicalDeviceImageFormatProperties2",
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res);
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}
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shm_texture_status = "✗ texture (unsupported format)";
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} else {
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VkExtent3D me = ifmtp.imageFormatProperties.maxExtent;
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props.max_extent.width = me.width;
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props.max_extent.height = me.height;
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props.features = fmtp.formatProperties.optimalTilingFeatures;
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shm_texture_status = "✓ texture";
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dev->shm_formats[dev->shm_format_count] = format->drm_format;
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++dev->shm_format_count;
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add_fmt_props = true;
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}
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} else {
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shm_texture_status = "✗ texture (missing required features)";
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}
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wlr_log(WLR_DEBUG, " Shared memory: %s", shm_texture_status);
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if (modp.drmFormatModifierCount > 0) {
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add_fmt_props |= query_modifier_support(dev, &props,
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modp.drmFormatModifierCount, fmti);
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}
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if (add_fmt_props) {
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dev->format_props[dev->format_prop_count] = props;
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++dev->format_prop_count;
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} else {
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vulkan_format_props_finish(&props);
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}
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}
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void vulkan_format_props_finish(struct wlr_vk_format_props *props) {
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free(props->texture_mods);
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free(props->render_mods);
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}
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struct wlr_vk_format_modifier_props *vulkan_format_props_find_modifier(
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struct wlr_vk_format_props *props, uint64_t mod, bool render) {
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if (render) {
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for (unsigned i = 0u; i < props->render_mod_count; ++i) {
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if (props->render_mods[i].props.drmFormatModifier == mod) {
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return &props->render_mods[i];
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}
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}
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} else {
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for (unsigned i = 0u; i < props->texture_mod_count; ++i) {
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if (props->texture_mods[i].props.drmFormatModifier == mod) {
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return &props->texture_mods[i];
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}
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}
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}
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return NULL;
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}
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