From: Samuel Pitoiset Date: Tue, 9 Apr 2019 13:30:05 +0000 (+0200) Subject: wsi: allow to override the present mode with MESA_VK_WSI_PRESENT_MODE X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a182adfd83ad00e326153b00a725a014e0359bf0;p=mesa.git wsi: allow to override the present mode with MESA_VK_WSI_PRESENT_MODE This is common to all Vulkan drivers and all WSI. Signed-off-by: Samuel Pitoiset Reviewed-by: Lionel Landwerlin --- diff --git a/src/vulkan/wsi/wsi_common.c b/src/vulkan/wsi/wsi_common.c index 3cba0a4b06e..66cc4500cb9 100644 --- a/src/vulkan/wsi/wsi_common.c +++ b/src/vulkan/wsi/wsi_common.c @@ -29,6 +29,8 @@ #include #include #include +#include +#include VkResult wsi_device_init(struct wsi_device *wsi, @@ -37,6 +39,7 @@ wsi_device_init(struct wsi_device *wsi, const VkAllocationCallbacks *alloc, int display_fd) { + const char *present_mode; VkResult result; memset(wsi, 0, sizeof(*wsi)); @@ -60,6 +63,7 @@ wsi_device_init(struct wsi_device *wsi, GetPhysicalDeviceProperties2(pdevice, &pdp2); wsi->maxImageDimension2D = pdp2.properties.limits.maxImageDimension2D; + wsi->override_present_mode = VK_PRESENT_MODE_MAX_ENUM_KHR; GetPhysicalDeviceMemoryProperties(pdevice, &wsi->memory_props); GetPhysicalDeviceQueueFamilyProperties(pdevice, &wsi->queue_family_count, NULL); @@ -112,6 +116,19 @@ wsi_device_init(struct wsi_device *wsi, goto fail; #endif + present_mode = getenv("MESA_VK_WSI_PRESENT_MODE"); + if (present_mode) { + if (!strcmp(present_mode, "fifo")) { + wsi->override_present_mode = VK_PRESENT_MODE_FIFO_KHR; + } else if (!strcmp(present_mode, "mailbox")) { + wsi->override_present_mode = VK_PRESENT_MODE_MAILBOX_KHR; + } else if (!strcmp(present_mode, "immediate")) { + wsi->override_present_mode = VK_PRESENT_MODE_IMMEDIATE_KHR; + } else { + fprintf(stderr, "Invalid MESA_VK_WSI_PRESENT_MODE value!\n"); + } + } + return VK_SUCCESS; fail: @@ -202,6 +219,59 @@ fail: return result; } +static bool +wsi_swapchain_is_present_mode_supported(struct wsi_device *wsi, + const VkSwapchainCreateInfoKHR *pCreateInfo, + VkPresentModeKHR mode) +{ + ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, pCreateInfo->surface); + struct wsi_interface *iface = wsi->wsi[surface->platform]; + VkPresentModeKHR *present_modes; + uint32_t present_mode_count; + bool supported = false; + VkResult result; + + result = iface->get_present_modes(surface, &present_mode_count, NULL); + if (result != VK_SUCCESS) + return supported; + + present_modes = malloc(present_mode_count * sizeof(*present_modes)); + if (!present_modes) + return supported; + + result = iface->get_present_modes(surface, &present_mode_count, + present_modes); + if (result != VK_SUCCESS) + goto fail; + + for (uint32_t i = 0; i < present_mode_count; i++) { + if (present_modes[i] == mode) { + supported = true; + break; + } + } + +fail: + free(present_modes); + return supported; +} + +enum VkPresentModeKHR +wsi_swapchain_get_present_mode(struct wsi_device *wsi, + const VkSwapchainCreateInfoKHR *pCreateInfo) +{ + if (wsi->override_present_mode == VK_PRESENT_MODE_MAX_ENUM_KHR) + return pCreateInfo->presentMode; + + if (!wsi_swapchain_is_present_mode_supported(wsi, pCreateInfo, + wsi->override_present_mode)) { + fprintf(stderr, "Unsupported MESA_VK_WSI_PRESENT_MODE value!\n"); + return pCreateInfo->presentMode; + } + + return wsi->override_present_mode; +} + void wsi_swapchain_finish(struct wsi_swapchain *chain) { diff --git a/src/vulkan/wsi/wsi_common.h b/src/vulkan/wsi/wsi_common.h index e693e2be425..6446320b95d 100644 --- a/src/vulkan/wsi/wsi_common.h +++ b/src/vulkan/wsi/wsi_common.h @@ -101,6 +101,7 @@ struct wsi_device { bool supports_modifiers; uint32_t maxImageDimension2D; + VkPresentModeKHR override_present_mode; uint64_t (*image_get_modifier)(VkImage image); diff --git a/src/vulkan/wsi/wsi_common_display.c b/src/vulkan/wsi/wsi_common_display.c index 09c18315623..74ed36ed646 100644 --- a/src/vulkan/wsi/wsi_common_display.c +++ b/src/vulkan/wsi/wsi_common_display.c @@ -1757,7 +1757,7 @@ wsi_display_surface_create_swapchain( chain->base.get_wsi_image = wsi_display_get_wsi_image; chain->base.acquire_next_image = wsi_display_acquire_next_image; chain->base.queue_present = wsi_display_queue_present; - chain->base.present_mode = create_info->presentMode; + chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, create_info); chain->base.image_count = num_images; chain->wsi = wsi; diff --git a/src/vulkan/wsi/wsi_common_private.h b/src/vulkan/wsi/wsi_common_private.h index a6f49fc3124..6d8f4b7a0e4 100644 --- a/src/vulkan/wsi/wsi_common_private.h +++ b/src/vulkan/wsi/wsi_common_private.h @@ -79,6 +79,10 @@ wsi_swapchain_init(const struct wsi_device *wsi, const VkSwapchainCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator); +enum VkPresentModeKHR +wsi_swapchain_get_present_mode(struct wsi_device *wsi, + const VkSwapchainCreateInfoKHR *pCreateInfo); + void wsi_swapchain_finish(struct wsi_swapchain *chain); VkResult diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c index 03a47028ef2..ad653848b82 100644 --- a/src/vulkan/wsi/wsi_common_wayland.c +++ b/src/vulkan/wsi/wsi_common_wayland.c @@ -1009,7 +1009,7 @@ wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface, chain->base.get_wsi_image = wsi_wl_swapchain_get_wsi_image; chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image; chain->base.queue_present = wsi_wl_swapchain_queue_present; - chain->base.present_mode = pCreateInfo->presentMode; + chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo); chain->base.image_count = num_images; chain->extent = pCreateInfo->imageExtent; chain->vk_format = pCreateInfo->imageFormat; diff --git a/src/vulkan/wsi/wsi_common_x11.c b/src/vulkan/wsi/wsi_common_x11.c index c87b9312636..1782aa525bc 100644 --- a/src/vulkan/wsi/wsi_common_x11.c +++ b/src/vulkan/wsi/wsi_common_x11.c @@ -1361,7 +1361,7 @@ x11_surface_create_swapchain(VkIcdSurfaceBase *icd_surface, chain->base.get_wsi_image = x11_get_wsi_image; chain->base.acquire_next_image = x11_acquire_next_image; chain->base.queue_present = x11_queue_present; - chain->base.present_mode = pCreateInfo->presentMode; + chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo); chain->base.image_count = num_images; chain->conn = conn; chain->window = window;