mirror of
https://github.com/Relintai/sdl2_frt.git
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516 lines
19 KiB
C
516 lines
19 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../SDL_internal.h"
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#include "SDL_vulkan_internal.h"
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#include "SDL_error.h"
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#include "SDL_log.h"
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/* !!! FIXME: this file doesn't match coding standards for SDL (brace position, etc). */
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#if SDL_VIDEO_VULKAN
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const char *SDL_Vulkan_GetResultString(VkResult result)
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{
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switch((int)result)
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{
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case VK_SUCCESS:
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return "VK_SUCCESS";
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case VK_NOT_READY:
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return "VK_NOT_READY";
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case VK_TIMEOUT:
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return "VK_TIMEOUT";
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case VK_EVENT_SET:
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return "VK_EVENT_SET";
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case VK_EVENT_RESET:
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return "VK_EVENT_RESET";
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case VK_INCOMPLETE:
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return "VK_INCOMPLETE";
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case VK_ERROR_OUT_OF_HOST_MEMORY:
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return "VK_ERROR_OUT_OF_HOST_MEMORY";
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case VK_ERROR_OUT_OF_DEVICE_MEMORY:
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return "VK_ERROR_OUT_OF_DEVICE_MEMORY";
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case VK_ERROR_INITIALIZATION_FAILED:
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return "VK_ERROR_INITIALIZATION_FAILED";
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case VK_ERROR_DEVICE_LOST:
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return "VK_ERROR_DEVICE_LOST";
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case VK_ERROR_MEMORY_MAP_FAILED:
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return "VK_ERROR_MEMORY_MAP_FAILED";
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case VK_ERROR_LAYER_NOT_PRESENT:
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return "VK_ERROR_LAYER_NOT_PRESENT";
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case VK_ERROR_EXTENSION_NOT_PRESENT:
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return "VK_ERROR_EXTENSION_NOT_PRESENT";
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case VK_ERROR_FEATURE_NOT_PRESENT:
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return "VK_ERROR_FEATURE_NOT_PRESENT";
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case VK_ERROR_INCOMPATIBLE_DRIVER:
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return "VK_ERROR_INCOMPATIBLE_DRIVER";
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case VK_ERROR_TOO_MANY_OBJECTS:
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return "VK_ERROR_TOO_MANY_OBJECTS";
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case VK_ERROR_FORMAT_NOT_SUPPORTED:
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return "VK_ERROR_FORMAT_NOT_SUPPORTED";
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case VK_ERROR_FRAGMENTED_POOL:
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return "VK_ERROR_FRAGMENTED_POOL";
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case VK_ERROR_SURFACE_LOST_KHR:
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return "VK_ERROR_SURFACE_LOST_KHR";
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case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR:
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return "VK_ERROR_NATIVE_WINDOW_IN_USE_KHR";
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case VK_SUBOPTIMAL_KHR:
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return "VK_SUBOPTIMAL_KHR";
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case VK_ERROR_OUT_OF_DATE_KHR:
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return "VK_ERROR_OUT_OF_DATE_KHR";
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case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR:
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return "VK_ERROR_INCOMPATIBLE_DISPLAY_KHR";
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case VK_ERROR_VALIDATION_FAILED_EXT:
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return "VK_ERROR_VALIDATION_FAILED_EXT";
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case VK_ERROR_OUT_OF_POOL_MEMORY_KHR:
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return "VK_ERROR_OUT_OF_POOL_MEMORY_KHR";
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case VK_ERROR_INVALID_SHADER_NV:
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return "VK_ERROR_INVALID_SHADER_NV";
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case VK_RESULT_MAX_ENUM:
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case VK_RESULT_RANGE_SIZE:
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break;
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}
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if(result < 0)
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return "VK_ERROR_<Unknown>";
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return "VK_<Unknown>";
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}
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VkExtensionProperties *SDL_Vulkan_CreateInstanceExtensionsList(
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PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties,
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Uint32 *extensionCount)
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{
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Uint32 count = 0;
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VkResult result = vkEnumerateInstanceExtensionProperties(NULL, &count, NULL);
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VkExtensionProperties *retval;
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if(result == VK_ERROR_INCOMPATIBLE_DRIVER)
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{
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/* Avoid the ERR_MAX_STRLEN limit by passing part of the message
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* as a string argument.
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*/
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SDL_SetError(
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"You probably don't have a working Vulkan driver installed. %s %s %s(%d)",
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"Getting Vulkan extensions failed:",
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"vkEnumerateInstanceExtensionProperties returned",
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SDL_Vulkan_GetResultString(result),
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(int)result);
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return NULL;
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}
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else if(result != VK_SUCCESS)
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{
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SDL_SetError(
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"Getting Vulkan extensions failed: vkEnumerateInstanceExtensionProperties returned "
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"%s(%d)",
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SDL_Vulkan_GetResultString(result),
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(int)result);
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return NULL;
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}
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if(count == 0)
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{
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retval = SDL_calloc(1, sizeof(VkExtensionProperties)); // so we can return non-null
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}
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else
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{
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retval = SDL_calloc(count, sizeof(VkExtensionProperties));
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}
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if(!retval)
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{
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SDL_OutOfMemory();
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return NULL;
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}
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result = vkEnumerateInstanceExtensionProperties(NULL, &count, retval);
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if(result != VK_SUCCESS)
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{
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SDL_SetError(
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"Getting Vulkan extensions failed: vkEnumerateInstanceExtensionProperties returned "
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"%s(%d)",
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SDL_Vulkan_GetResultString(result),
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(int)result);
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SDL_free(retval);
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return NULL;
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}
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*extensionCount = count;
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return retval;
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}
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SDL_bool SDL_Vulkan_GetInstanceExtensions_Helper(unsigned *userCount,
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const char **userNames,
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unsigned nameCount,
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const char *const *names)
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{
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if (userNames) {
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unsigned i;
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if (*userCount < nameCount) {
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SDL_SetError("Output array for SDL_Vulkan_GetInstanceExtensions needs to be at least %d big", nameCount);
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return SDL_FALSE;
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}
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for (i = 0; i < nameCount; i++) {
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userNames[i] = names[i];
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}
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}
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*userCount = nameCount;
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return SDL_TRUE;
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}
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/* Alpha modes, in order of preference */
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static const VkDisplayPlaneAlphaFlagBitsKHR alphaModes[4] = {
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VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR,
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VK_DISPLAY_PLANE_ALPHA_GLOBAL_BIT_KHR,
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VK_DISPLAY_PLANE_ALPHA_PER_PIXEL_BIT_KHR,
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VK_DISPLAY_PLANE_ALPHA_PER_PIXEL_PREMULTIPLIED_BIT_KHR,
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};
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SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
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VkInstance instance,
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VkSurfaceKHR *surface)
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{
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PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr =
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(PFN_vkGetInstanceProcAddr)vkGetInstanceProcAddr_;
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#define VULKAN_INSTANCE_FUNCTION(name) \
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PFN_##name name = (PFN_##name)vkGetInstanceProcAddr((VkInstance)instance, #name)
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VULKAN_INSTANCE_FUNCTION(vkEnumeratePhysicalDevices);
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VULKAN_INSTANCE_FUNCTION(vkGetPhysicalDeviceDisplayPropertiesKHR);
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VULKAN_INSTANCE_FUNCTION(vkGetDisplayModePropertiesKHR);
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VULKAN_INSTANCE_FUNCTION(vkGetPhysicalDeviceDisplayPlanePropertiesKHR);
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VULKAN_INSTANCE_FUNCTION(vkGetDisplayPlaneCapabilitiesKHR);
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VULKAN_INSTANCE_FUNCTION(vkGetDisplayPlaneSupportedDisplaysKHR);
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VULKAN_INSTANCE_FUNCTION(vkCreateDisplayPlaneSurfaceKHR);
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#undef VULKAN_INSTANCE_FUNCTION
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VkDisplaySurfaceCreateInfoKHR createInfo;
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VkResult result;
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uint32_t physicalDeviceCount = 0;
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VkPhysicalDevice *physicalDevices = NULL;
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uint32_t physicalDeviceIndex;
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const char *chosenDisplayId;
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int displayId = 0; /* Counting from physical device 0, display 0 */
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if(!vkEnumeratePhysicalDevices ||
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!vkGetPhysicalDeviceDisplayPropertiesKHR ||
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!vkGetDisplayModePropertiesKHR ||
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!vkGetPhysicalDeviceDisplayPlanePropertiesKHR ||
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!vkGetDisplayPlaneCapabilitiesKHR ||
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!vkGetDisplayPlaneSupportedDisplaysKHR ||
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!vkCreateDisplayPlaneSurfaceKHR)
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{
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SDL_SetError(VK_KHR_DISPLAY_EXTENSION_NAME
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" extension is not enabled in the Vulkan instance.");
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goto error;
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}
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if ((chosenDisplayId = SDL_getenv("SDL_VULKAN_DISPLAY")) != NULL)
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{
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displayId = SDL_atoi(chosenDisplayId);
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}
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/* Enumerate physical devices */
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result =
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vkEnumeratePhysicalDevices(instance, &physicalDeviceCount, NULL);
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if(result != VK_SUCCESS)
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{
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SDL_SetError("Could not enumerate Vulkan physical devices");
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goto error;
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}
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if(physicalDeviceCount == 0)
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{
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SDL_SetError("No Vulkan physical devices");
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goto error;
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}
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physicalDevices = SDL_malloc(sizeof(VkPhysicalDevice) * physicalDeviceCount);
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if(!physicalDevices)
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{
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SDL_OutOfMemory();
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goto error;
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}
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result =
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vkEnumeratePhysicalDevices(instance, &physicalDeviceCount, physicalDevices);
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if(result != VK_SUCCESS)
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{
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SDL_SetError("Error enumerating physical devices");
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goto error;
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}
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for(physicalDeviceIndex = 0; physicalDeviceIndex < physicalDeviceCount;
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physicalDeviceIndex++)
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{
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VkPhysicalDevice physicalDevice = physicalDevices[physicalDeviceIndex];
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uint32_t displayPropertiesCount = 0;
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VkDisplayPropertiesKHR *displayProperties = NULL;
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uint32_t displayModePropertiesCount = 0;
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VkDisplayModePropertiesKHR *displayModeProperties = NULL;
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int bestMatchIndex = -1;
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uint32_t refreshRate = 0;
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uint32_t i;
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uint32_t displayPlanePropertiesCount = 0;
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int planeIndex = -1;
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VkDisplayKHR display;
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VkDisplayPlanePropertiesKHR *displayPlaneProperties = NULL;
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VkExtent2D extent;
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VkDisplayPlaneCapabilitiesKHR planeCaps;
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/* Get information about the physical displays */
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result =
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vkGetPhysicalDeviceDisplayPropertiesKHR(physicalDevice, &displayPropertiesCount, NULL);
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if (result != VK_SUCCESS || displayPropertiesCount == 0)
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{
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/* This device has no physical device display properties, move on to next. */
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continue;
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}
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of display properties for device %u: %u",
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physicalDeviceIndex, displayPropertiesCount);
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if ( (displayId < 0) || (((uint32_t) displayId) >= displayPropertiesCount) )
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{
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/* Display id specified was higher than number of available displays, move to next physical device. */
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displayId -= displayPropertiesCount;
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continue;
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}
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displayProperties = SDL_malloc(sizeof(VkDisplayPropertiesKHR) * displayPropertiesCount);
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if(!displayProperties)
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{
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SDL_OutOfMemory();
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goto error;
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}
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result =
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vkGetPhysicalDeviceDisplayPropertiesKHR(physicalDevice, &displayPropertiesCount, displayProperties);
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if (result != VK_SUCCESS || displayPropertiesCount == 0) {
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SDL_free(displayProperties);
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SDL_SetError("Error enumerating physical device displays");
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goto error;
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}
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display = displayProperties[displayId].display;
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extent = displayProperties[displayId].physicalResolution;
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Display: %s Native resolution: %ux%u",
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displayProperties[displayId].displayName, extent.width, extent.height);
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SDL_free(displayProperties);
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displayProperties = NULL;
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/* Get display mode properties for the chosen display */
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result =
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vkGetDisplayModePropertiesKHR(physicalDevice, display, &displayModePropertiesCount, NULL);
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if (result != VK_SUCCESS || displayModePropertiesCount == 0)
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{
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SDL_SetError("Error enumerating display modes");
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goto error;
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}
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of display modes: %u", displayModePropertiesCount);
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displayModeProperties = SDL_malloc(sizeof(VkDisplayModePropertiesKHR) * displayModePropertiesCount);
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if(!displayModeProperties)
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{
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SDL_OutOfMemory();
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goto error;
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}
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result =
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vkGetDisplayModePropertiesKHR(physicalDevice, display, &displayModePropertiesCount, displayModeProperties);
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if (result != VK_SUCCESS || displayModePropertiesCount == 0) {
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SDL_SetError("Error enumerating display modes");
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SDL_free(displayModeProperties);
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goto error;
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}
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/* Try to find a display mode that matches the native resolution */
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for (i = 0; i < displayModePropertiesCount; ++i)
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{
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if (displayModeProperties[i].parameters.visibleRegion.width == extent.width &&
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displayModeProperties[i].parameters.visibleRegion.height == extent.height &&
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displayModeProperties[i].parameters.refreshRate > refreshRate)
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{
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bestMatchIndex = i;
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refreshRate = displayModeProperties[i].parameters.refreshRate;
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}
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}
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if (bestMatchIndex < 0)
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{
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SDL_SetError("Found no matching display mode");
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SDL_free(displayModeProperties);
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goto error;
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}
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SDL_zero(createInfo);
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createInfo.displayMode = displayModeProperties[bestMatchIndex].displayMode;
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Matching mode %ux%u with refresh rate %u",
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displayModeProperties[bestMatchIndex].parameters.visibleRegion.width,
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displayModeProperties[bestMatchIndex].parameters.visibleRegion.height,
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refreshRate);
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SDL_free(displayModeProperties);
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displayModeProperties = NULL;
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/* Try to find a plane index that supports our display */
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result =
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vkGetPhysicalDeviceDisplayPlanePropertiesKHR(physicalDevice, &displayPlanePropertiesCount, NULL);
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if (result != VK_SUCCESS || displayPlanePropertiesCount == 0)
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{
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SDL_SetError("Error enumerating display planes");
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goto error;
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}
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of display planes: %u", displayPlanePropertiesCount);
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displayPlaneProperties = SDL_malloc(sizeof(VkDisplayPlanePropertiesKHR) * displayPlanePropertiesCount);
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if(!displayPlaneProperties)
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{
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SDL_OutOfMemory();
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goto error;
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}
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result =
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vkGetPhysicalDeviceDisplayPlanePropertiesKHR(physicalDevice, &displayPlanePropertiesCount, displayPlaneProperties);
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if (result != VK_SUCCESS || displayPlanePropertiesCount == 0)
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{
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SDL_SetError("Error enumerating display plane properties");
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SDL_free(displayPlaneProperties);
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goto error;
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}
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for (i = 0; i < displayPlanePropertiesCount; ++i)
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{
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uint32_t planeSupportedDisplaysCount = 0;
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VkDisplayKHR *planeSupportedDisplays = NULL;
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uint32_t j;
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/* Check if plane is attached to a display, if not, continue. */
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if (displayPlaneProperties[i].currentDisplay == VK_NULL_HANDLE)
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continue;
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/* Check supported displays for this plane. */
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result =
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vkGetDisplayPlaneSupportedDisplaysKHR(physicalDevice, i, &planeSupportedDisplaysCount, NULL);
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if (result != VK_SUCCESS || planeSupportedDisplaysCount == 0)
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{
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continue; /* No supported displays, on to next plane. */
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}
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of supported displays for plane %u: %u", i, planeSupportedDisplaysCount);
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planeSupportedDisplays = SDL_malloc(sizeof(VkDisplayKHR) * planeSupportedDisplaysCount);
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if(!planeSupportedDisplays)
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{
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SDL_free(displayPlaneProperties);
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SDL_OutOfMemory();
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goto error;
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}
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result =
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vkGetDisplayPlaneSupportedDisplaysKHR(physicalDevice, i, &planeSupportedDisplaysCount, planeSupportedDisplays);
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if (result != VK_SUCCESS || planeSupportedDisplaysCount == 0)
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{
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SDL_SetError("Error enumerating supported displays, or no supported displays");
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SDL_free(planeSupportedDisplays);
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SDL_free(displayPlaneProperties);
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goto error;
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}
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for (j = 0; j < planeSupportedDisplaysCount && planeSupportedDisplays[j] != display; ++j)
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;
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SDL_free(planeSupportedDisplays);
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planeSupportedDisplays = NULL;
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if (j == planeSupportedDisplaysCount)
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{
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/* This display is not supported for this plane, move on. */
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continue;
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}
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result = vkGetDisplayPlaneCapabilitiesKHR(physicalDevice, createInfo.displayMode, i, &planeCaps);
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if (result != VK_SUCCESS)
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{
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SDL_SetError("Error getting display plane capabilities");
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SDL_free(displayPlaneProperties);
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goto error;
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}
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/* Check if plane fulfills extent requirements. */
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if (extent.width >= planeCaps.minDstExtent.width && extent.height >= planeCaps.minDstExtent.height &&
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extent.width <= planeCaps.maxDstExtent.width && extent.height <= planeCaps.maxDstExtent.height)
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{
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/* If it does, choose this plane. */
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Choosing plane %d, minimum extent %dx%d maximum extent %dx%d", i,
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planeCaps.minDstExtent.width, planeCaps.minDstExtent.height,
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planeCaps.maxDstExtent.width, planeCaps.maxDstExtent.height);
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planeIndex = i;
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break;
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}
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}
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if (planeIndex < 0)
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{
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SDL_SetError("No plane supports the selected resolution");
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SDL_free(displayPlaneProperties);
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goto error;
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}
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createInfo.planeIndex = planeIndex;
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createInfo.planeStackIndex = displayPlaneProperties[planeIndex].currentStackIndex;
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SDL_free(displayPlaneProperties);
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displayPlaneProperties = NULL;
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/* Find a supported alpha mode. Not all planes support OPAQUE */
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createInfo.alphaMode = VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR;
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for (i = 0; i < SDL_arraysize(alphaModes); i++) {
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if (planeCaps.supportedAlpha & alphaModes[i]) {
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createInfo.alphaMode = alphaModes[i];
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break;
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}
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}
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SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Chose alpha mode 0x%x", createInfo.alphaMode);
|
|
|
|
/* Found a match, finally! Fill in extent, and break from loop */
|
|
createInfo.imageExtent = extent;
|
|
break;
|
|
}
|
|
|
|
SDL_free(physicalDevices);
|
|
physicalDevices = NULL;
|
|
|
|
if (physicalDeviceIndex == physicalDeviceCount)
|
|
{
|
|
SDL_SetError("No usable displays found or requested display out of range");
|
|
return SDL_FALSE;
|
|
}
|
|
|
|
createInfo.sType = VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR;
|
|
createInfo.transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
|
|
createInfo.globalAlpha = 1.0f;
|
|
|
|
result = vkCreateDisplayPlaneSurfaceKHR(instance, &createInfo,
|
|
NULL, surface);
|
|
if(result != VK_SUCCESS)
|
|
{
|
|
SDL_SetError("vkCreateDisplayPlaneSurfaceKHR failed: %s",
|
|
SDL_Vulkan_GetResultString(result));
|
|
return SDL_FALSE;
|
|
}
|
|
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Created surface");
|
|
return SDL_TRUE;
|
|
error:
|
|
SDL_free(physicalDevices);
|
|
return SDL_FALSE;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|