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The open source OpenXR runtime
c/main: Use vk_surface_info when creating images
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-74
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src/xrt/compositor/main/comp_target_swapchain.c
+55
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src/xrt/compositor/main/comp_target_swapchain.c
···
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#include "util/u_pacing.h"
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#include "util/u_pretty_print.h"
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#include "vk/vk_surface_info.h"
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#include "main/comp_compositor.h"
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#include "main/comp_target_swapchain.h"
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···
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}
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static bool
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check_surface_present_mode(struct comp_target_swapchain *cts, VkSurfaceKHR surface, VkPresentModeKHR present_mode)
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check_surface_present_mode(struct comp_target_swapchain *cts,
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const struct vk_surface_info *info,
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VkPresentModeKHR present_mode)
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{
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struct vk_bundle *vk = get_vk(cts);
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VkResult ret;
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for (uint32_t i = 0; i < info->present_mode_count; i++) {
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if (info->present_modes[i] == present_mode) {
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return true;
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}
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}
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uint32_t present_mode_count;
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VkPresentModeKHR *present_modes;
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ret = vk->vkGetPhysicalDeviceSurfacePresentModesKHR(vk->physical_device, surface, &present_mode_count, NULL);
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struct u_pp_sink_stack_only sink;
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u_pp_delegate_t dg = u_pp_sink_stack_only_init(&sink);
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if (present_mode_count != 0) {
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present_modes = U_TYPED_ARRAY_CALLOC(VkPresentModeKHR, present_mode_count);
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vk->vkGetPhysicalDeviceSurfacePresentModesKHR(vk->physical_device, surface, &present_mode_count,
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present_modes);
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} else {
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COMP_ERROR(cts->base.c, "Could not enumerate present modes. '%s'", vk_result_string(ret));
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return false;
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u_pp(dg, "Present mode %s not supported, available:", vk_present_mode_string(present_mode));
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for (uint32_t i = 0; i < info->present_mode_count; i++) {
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u_pp(dg, "\n\t%s", vk_present_mode_string(info->present_modes[i]));
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}
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for (uint32_t i = 0; i < present_mode_count; i++) {
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if (present_modes[i] == present_mode) {
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free(present_modes);
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return true;
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}
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}
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COMP_ERROR(cts->base.c, "%s", sink.buffer);
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free(present_modes);
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COMP_ERROR(cts->base.c, "Requested present mode not supported.\n");
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return false;
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}
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static bool
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find_surface_format(struct comp_target_swapchain *cts, VkSurfaceKHR surface, VkSurfaceFormatKHR *format)
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find_surface_format(struct comp_target_swapchain *cts, const struct vk_surface_info *info, VkSurfaceFormatKHR *format)
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{
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struct vk_bundle *vk = get_vk(cts);
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uint32_t format_count;
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VkSurfaceFormatKHR *formats = NULL;
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VkResult ret;
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ret = vk->vkGetPhysicalDeviceSurfaceFormatsKHR(vk->physical_device, surface, &format_count, NULL);
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if (format_count != 0) {
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formats = U_TYPED_ARRAY_CALLOC(VkSurfaceFormatKHR, format_count);
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vk->vkGetPhysicalDeviceSurfaceFormatsKHR(vk->physical_device, surface, &format_count, formats);
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} else {
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COMP_ERROR(cts->base.c, "Could not enumerate surface formats. '%s'", vk_result_string(ret));
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return false;
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}
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{
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struct u_pp_sink_stack_only sink;
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u_pp_delegate_t dg = u_pp_sink_stack_only_init(&sink);
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u_pp(dg, "VkSurfaceKHR returned VkSurfaceFormatKHR:");
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// Dump formats
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for (uint32_t i = 0; i < format_count; i++) {
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u_pp(dg, "\n\t%i [%s, %s]", i, vk_format_string(formats[i].format),
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vk_color_space_string(formats[i].colorSpace));
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}
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COMP_DEBUG(cts->base.c, "%s", sink.buffer);
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}
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VkSurfaceFormatKHR *formats_for_colorspace = NULL;
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formats_for_colorspace = U_TYPED_ARRAY_CALLOC(VkSurfaceFormatKHR, format_count);
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formats_for_colorspace = U_TYPED_ARRAY_CALLOC(VkSurfaceFormatKHR, info->format_count);
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uint32_t format_for_colorspace_count = 0;
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uint32_t pref_format_count = ARRAY_SIZE(preferred_color_formats);
···
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// from these in preference to others.
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for (uint32_t i = 0; i < format_count; i++) {
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if (formats[i].colorSpace == cts->preferred.color_space) {
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formats_for_colorspace[format_for_colorspace_count] = formats[i];
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for (uint32_t i = 0; i < info->format_count; i++) {
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if (info->formats[i].colorSpace == cts->preferred.color_space) {
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formats_for_colorspace[format_for_colorspace_count] = info->formats[i];
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format_for_colorspace_count++;
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}
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}
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// we have nothing with the preferred colorspace? we can try to
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// return a preferred format at least
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for (uint32_t i = 0; i < format_count; i++) {
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for (uint32_t i = 0; i < info->format_count; i++) {
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for (uint32_t j = 0; j < pref_format_count; j++) {
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if (formats[i].format == preferred_color_formats[j]) {
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if (info->formats[i].format == preferred_color_formats[j]) {
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*format = formats_for_colorspace[i];
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COMP_ERROR(cts->base.c,
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"Returning known-wrong color space! Color shift may occur.");
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// if we are still here, we should just return the first format
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// we have. we know its the wrong colorspace, and its not on our
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// list of preferred formats, but its something.
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*format = formats[0];
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*format = info->formats[0];
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COMP_ERROR(cts->base.c,
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"Returning fallback format! cue up some Kenny Loggins, cos we're in the DANGER ZONE!");
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goto cleanup;
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cleanup:
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free(formats_for_colorspace);
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free(formats);
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COMP_DEBUG(cts->base.c,
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"VkSurfaceFormatKHR"
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error:
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free(formats_for_colorspace);
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free(formats);
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return false;
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}
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···
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&supported); // pSupported
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if (ret != VK_SUCCESS) {
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COMP_ERROR(ct->c, "vkGetPhysicalDeviceSurfaceSupportKHR: %s", vk_result_string(ret));
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destroy_old(cts, old_swapchain_handle);
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return;
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} else if (!supported) {
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COMP_ERROR(ct->c, "vkGetPhysicalDeviceSurfaceSupportKHR: Surface not supported!");
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destroy_old(cts, old_swapchain_handle);
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return;
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}
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if (!check_surface_present_mode(cts, cts->surface.handle, cts->present_mode)) {
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// Free old.
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// Get information.
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struct vk_surface_info info = {0};
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ret = vk_surface_info_fill_in(vk, &info, cts->surface.handle);
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if (ret != VK_SUCCESS) {
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VK_ERROR(vk, "vk_surface_info_fill_in: %s", vk_result_string(ret));
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destroy_old(cts, old_swapchain_handle);
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return;
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}
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// Find the correct format.
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if (!find_surface_format(cts, cts->surface.handle, &cts->surface.format)) {
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// Always print the first one.
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{
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static bool first = true;
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if (first) {
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vk_print_surface_info(vk, &info, U_LOGGING_INFO);
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first = false;
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} else {
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vk_print_surface_info(vk, &info, U_LOGGING_DEBUG);
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}
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}
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if (!check_surface_present_mode(cts, &info, cts->present_mode)) {
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// Free old.
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destroy_old(cts, old_swapchain_handle);
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vk_surface_info_destroy(&info);
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return;
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}
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// Get the caps first.
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VkSurfaceCapabilitiesKHR surface_caps;
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ret = vk->vkGetPhysicalDeviceSurfaceCapabilitiesKHR(vk->physical_device, cts->surface.handle, &surface_caps);
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if (ret != VK_SUCCESS) {
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COMP_ERROR(ct->c, "vkGetPhysicalDeviceSurfaceCapabilitiesKHR: %s", vk_result_string(ret));
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// Find the correct format.
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if (!find_surface_format(cts, &info, &cts->surface.format)) {
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// Free old.
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destroy_old(cts, old_swapchain_handle);
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vk_surface_info_destroy(&info);
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return;
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}
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// Get the caps first.
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VkSurfaceCapabilitiesKHR surface_caps = info.caps;
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// Now we can free the info.
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vk_surface_info_destroy(&info);
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// Get the extents of the swapchain.
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VkExtent2D extent = select_extent(cts, surface_caps, preferred_width, preferred_height);
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extent.width = h2;
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extent.height = w2;
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}
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COMP_DEBUG(ct->c, "swapchain minImageCount %d maxImageCount %d", surface_caps.minImageCount,
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surface_caps.maxImageCount);
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// Get the image count.
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const uint32_t preferred_at_least_image_count = 3;