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SDL_vulkan_utils: minor code clean-up

This commit is contained in:
Sylvain Becker 2021-02-03 09:51:42 +01:00
parent c0166a29b7
commit 549bc13362
1 changed files with 147 additions and 187 deletions
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172
src/video/SDL_vulkan_utils.c
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@ -23,14 +23,11 @@
#include "SDL_vulkan_internal.h"
#include "SDL_error.h"
/* !!! FIXME: this file doesn't match coding standards for SDL (brace position, etc). */
#if SDL_VIDEO_VULKAN
const char *SDL_Vulkan_GetResultString(VkResult result)
{
switch((int)result)
{
switch ((int)result) {
case VK_SUCCESS:
return "VK_SUCCESS";
case VK_NOT_READY:
@ -112,8 +109,9 @@ const char *SDL_Vulkan_GetResultString(VkResult result)
default:
break;
}
if(result < 0)
if (result < 0) {
return "VK_ERROR_<Unknown>";
}
return "VK_<Unknown>";
}
@ -124,11 +122,9 @@ VkExtensionProperties *SDL_Vulkan_CreateInstanceExtensionsList(
Uint32 count = 0;
VkResult result = vkEnumerateInstanceExtensionProperties(NULL, &count, NULL);
VkExtensionProperties *retval;
if(result == VK_ERROR_INCOMPATIBLE_DRIVER)
{
/* Avoid the ERR_MAX_STRLEN limit by passing part of the message
* as a string argument.
*/
if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
/* Avoid the ERR_MAX_STRLEN limit by passing part of the message as a string argument. */
SDL_SetError(
"You probably don't have a working Vulkan driver installed. %s %s %s(%d)",
"Getting Vulkan extensions failed:",
@ -136,9 +132,7 @@ VkExtensionProperties *SDL_Vulkan_CreateInstanceExtensionsList(
SDL_Vulkan_GetResultString(result),
(int)result);
return NULL;
}
else if(result != VK_SUCCESS)
{
} else if (result != VK_SUCCESS) {
SDL_SetError(
"Getting Vulkan extensions failed: vkEnumerateInstanceExtensionProperties returned "
"%s(%d)",
@ -146,22 +140,20 @@ VkExtensionProperties *SDL_Vulkan_CreateInstanceExtensionsList(
(int)result);
return NULL;
}
if(count == 0)
{
if (count == 0) {
retval = SDL_calloc(1, sizeof(VkExtensionProperties)); // so we can return non-null
}
else
{
} else {
retval = SDL_calloc(count, sizeof(VkExtensionProperties));
}
if(!retval)
{
if (!retval) {
SDL_OutOfMemory();
return NULL;
}
result = vkEnumerateInstanceExtensionProperties(NULL, &count, retval);
if(result != VK_SUCCESS)
{
if (result != VK_SUCCESS) {
SDL_SetError(
"Getting Vulkan extensions failed: vkEnumerateInstanceExtensionProperties returned "
"%s(%d)",
@ -186,6 +178,7 @@ SDL_bool SDL_Vulkan_GetInstanceExtensions_Helper(unsigned *userCount,
SDL_SetError("Output array for SDL_Vulkan_GetInstanceExtensions needs to be at least %d big", nameCount);
return SDL_FALSE;
}
for (i = 0; i < nameCount; i++) {
userNames[i] = names[i];
}
@ -226,54 +219,46 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
const char *chosenDisplayId;
int displayId = 0; /* Counting from physical device 0, display 0 */
if(!vkEnumeratePhysicalDevices ||
if (!vkEnumeratePhysicalDevices ||
!vkGetPhysicalDeviceDisplayPropertiesKHR ||
!vkGetDisplayModePropertiesKHR ||
!vkGetPhysicalDeviceDisplayPlanePropertiesKHR ||
!vkGetDisplayPlaneCapabilitiesKHR ||
!vkGetDisplayPlaneSupportedDisplaysKHR ||
!vkCreateDisplayPlaneSurfaceKHR)
{
SDL_SetError(VK_KHR_DISPLAY_EXTENSION_NAME
" extension is not enabled in the Vulkan instance.");
!vkCreateDisplayPlaneSurfaceKHR) {
SDL_SetError(VK_KHR_DISPLAY_EXTENSION_NAME " extension is not enabled in the Vulkan instance.");
goto error;
}
if ((chosenDisplayId = SDL_getenv("SDL_VULKAN_DISPLAY")) != NULL)
{
if ((chosenDisplayId = SDL_getenv("SDL_VULKAN_DISPLAY")) != NULL) {
displayId = SDL_atoi(chosenDisplayId);
}
/* Enumerate physical devices */
result =
vkEnumeratePhysicalDevices(instance, &physicalDeviceCount, NULL);
if(result != VK_SUCCESS)
{
result = vkEnumeratePhysicalDevices(instance, &physicalDeviceCount, NULL);
if (result != VK_SUCCESS) {
SDL_SetError("Could not enumerate Vulkan physical devices");
goto error;
}
if(physicalDeviceCount == 0)
{
if (physicalDeviceCount == 0) {
SDL_SetError("No Vulkan physical devices");
goto error;
}
physicalDevices = SDL_malloc(sizeof(VkPhysicalDevice) * physicalDeviceCount);
if(!physicalDevices)
{
if (!physicalDevices) {
SDL_OutOfMemory();
goto error;
}
result =
vkEnumeratePhysicalDevices(instance, &physicalDeviceCount, physicalDevices);
if(result != VK_SUCCESS)
{
result = vkEnumeratePhysicalDevices(instance, &physicalDeviceCount, physicalDevices);
if (result != VK_SUCCESS) {
SDL_SetError("Error enumerating physical devices");
goto error;
}
for(physicalDeviceIndex = 0; physicalDeviceIndex < physicalDeviceCount;
physicalDeviceIndex++)
{
for (physicalDeviceIndex = 0; physicalDeviceIndex < physicalDeviceCount; physicalDeviceIndex++) {
VkPhysicalDevice physicalDevice = physicalDevices[physicalDeviceIndex];
uint32_t displayPropertiesCount = 0;
VkDisplayPropertiesKHR *displayProperties = NULL;
@ -290,32 +275,27 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
VkDisplayPlaneCapabilitiesKHR planeCaps;
/* Get information about the physical displays */
result =
vkGetPhysicalDeviceDisplayPropertiesKHR(physicalDevice, &displayPropertiesCount, NULL);
if (result != VK_SUCCESS || displayPropertiesCount == 0)
{
result = vkGetPhysicalDeviceDisplayPropertiesKHR(physicalDevice, &displayPropertiesCount, NULL);
if (result != VK_SUCCESS || displayPropertiesCount == 0) {
/* This device has no physical device display properties, move on to next. */
continue;
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of display properties for device %u: %u",
physicalDeviceIndex, displayPropertiesCount);
if ( (displayId < 0) || (((uint32_t) displayId) >= displayPropertiesCount) )
{
if (displayId < 0 || (uint32_t) displayId >= displayPropertiesCount) {
/* Display id specified was higher than number of available displays, move to next physical device. */
displayId -= displayPropertiesCount;
continue;
}
displayProperties = SDL_malloc(sizeof(VkDisplayPropertiesKHR) * displayPropertiesCount);
if(!displayProperties)
{
if (!displayProperties) {
SDL_OutOfMemory();
goto error;
}
result =
vkGetPhysicalDeviceDisplayPropertiesKHR(physicalDevice, &displayPropertiesCount, displayProperties);
result = vkGetPhysicalDeviceDisplayPropertiesKHR(physicalDevice, &displayPropertiesCount, displayProperties);
if (result != VK_SUCCESS || displayPropertiesCount == 0) {
SDL_free(displayProperties);
SDL_SetError("Error enumerating physical device displays");
@ -331,8 +311,7 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
displayProperties = NULL;
/* Get display mode properties for the chosen display */
result =
vkGetDisplayModePropertiesKHR(physicalDevice, display, &displayModePropertiesCount, NULL);
result = vkGetDisplayModePropertiesKHR(physicalDevice, display, &displayModePropertiesCount, NULL);
if (result != VK_SUCCESS || displayModePropertiesCount == 0)
{
SDL_SetError("Error enumerating display modes");
@ -341,14 +320,12 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of display modes: %u", displayModePropertiesCount);
displayModeProperties = SDL_malloc(sizeof(VkDisplayModePropertiesKHR) * displayModePropertiesCount);
if(!displayModeProperties)
{
if (!displayModeProperties) {
SDL_OutOfMemory();
goto error;
}
result =
vkGetDisplayModePropertiesKHR(physicalDevice, display, &displayModePropertiesCount, displayModeProperties);
result = vkGetDisplayModePropertiesKHR(physicalDevice, display, &displayModePropertiesCount, displayModeProperties);
if (result != VK_SUCCESS || displayModePropertiesCount == 0) {
SDL_SetError("Error enumerating display modes");
SDL_free(displayModeProperties);
@ -356,18 +333,16 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
}
/* Try to find a display mode that matches the native resolution */
for (i = 0; i < displayModePropertiesCount; ++i)
{
for (i = 0; i < displayModePropertiesCount; ++i) {
if (displayModeProperties[i].parameters.visibleRegion.width == extent.width &&
displayModeProperties[i].parameters.visibleRegion.height == extent.height &&
displayModeProperties[i].parameters.refreshRate > refreshRate)
{
displayModeProperties[i].parameters.refreshRate > refreshRate) {
bestMatchIndex = i;
refreshRate = displayModeProperties[i].parameters.refreshRate;
}
}
if (bestMatchIndex < 0)
{
if (bestMatchIndex < 0) {
SDL_SetError("Found no matching display mode");
SDL_free(displayModeProperties);
goto error;
@ -384,62 +359,53 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
displayModeProperties = NULL;
/* Try to find a plane index that supports our display */
result =
vkGetPhysicalDeviceDisplayPlanePropertiesKHR(physicalDevice, &displayPlanePropertiesCount, NULL);
if (result != VK_SUCCESS || displayPlanePropertiesCount == 0)
{
result = vkGetPhysicalDeviceDisplayPlanePropertiesKHR(physicalDevice, &displayPlanePropertiesCount, NULL);
if (result != VK_SUCCESS || displayPlanePropertiesCount == 0) {
SDL_SetError("Error enumerating display planes");
goto error;
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of display planes: %u", displayPlanePropertiesCount);
displayPlaneProperties = SDL_malloc(sizeof(VkDisplayPlanePropertiesKHR) * displayPlanePropertiesCount);
if(!displayPlaneProperties)
{
if (!displayPlaneProperties) {
SDL_OutOfMemory();
goto error;
}
result =
vkGetPhysicalDeviceDisplayPlanePropertiesKHR(physicalDevice, &displayPlanePropertiesCount, displayPlaneProperties);
if (result != VK_SUCCESS || displayPlanePropertiesCount == 0)
{
result = vkGetPhysicalDeviceDisplayPlanePropertiesKHR(physicalDevice, &displayPlanePropertiesCount, displayPlaneProperties);
if (result != VK_SUCCESS || displayPlanePropertiesCount == 0) {
SDL_SetError("Error enumerating display plane properties");
SDL_free(displayPlaneProperties);
goto error;
}
for (i = 0; i < displayPlanePropertiesCount; ++i)
{
for (i = 0; i < displayPlanePropertiesCount; ++i) {
uint32_t planeSupportedDisplaysCount = 0;
VkDisplayKHR *planeSupportedDisplays = NULL;
uint32_t j;
/* Check if plane is attached to a display, if not, continue. */
if (displayPlaneProperties[i].currentDisplay == VK_NULL_HANDLE)
if (displayPlaneProperties[i].currentDisplay == VK_NULL_HANDLE) {
continue;
}
/* Check supported displays for this plane. */
result =
vkGetDisplayPlaneSupportedDisplaysKHR(physicalDevice, i, &planeSupportedDisplaysCount, NULL);
if (result != VK_SUCCESS || planeSupportedDisplaysCount == 0)
{
result = vkGetDisplayPlaneSupportedDisplaysKHR(physicalDevice, i, &planeSupportedDisplaysCount, NULL);
if (result != VK_SUCCESS || planeSupportedDisplaysCount == 0) {
continue; /* No supported displays, on to next plane. */
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Number of supported displays for plane %u: %u", i, planeSupportedDisplaysCount);
planeSupportedDisplays = SDL_malloc(sizeof(VkDisplayKHR) * planeSupportedDisplaysCount);
if(!planeSupportedDisplays)
{
if (!planeSupportedDisplays) {
SDL_free(displayPlaneProperties);
SDL_OutOfMemory();
goto error;
}
result =
vkGetDisplayPlaneSupportedDisplaysKHR(physicalDevice, i, &planeSupportedDisplaysCount, planeSupportedDisplays);
if (result != VK_SUCCESS || planeSupportedDisplaysCount == 0)
{
result = vkGetDisplayPlaneSupportedDisplaysKHR(physicalDevice, i, &planeSupportedDisplaysCount, planeSupportedDisplays);
if (result != VK_SUCCESS || planeSupportedDisplaysCount == 0) {
SDL_SetError("Error enumerating supported displays, or no supported displays");
SDL_free(planeSupportedDisplays);
SDL_free(displayPlaneProperties);
@ -447,20 +413,19 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
}
for (j = 0; j < planeSupportedDisplaysCount && planeSupportedDisplays[j] != display; ++j)
;
{
}
SDL_free(planeSupportedDisplays);
planeSupportedDisplays = NULL;
if (j == planeSupportedDisplaysCount)
{
if (j == planeSupportedDisplaysCount) {
/* This display is not supported for this plane, move on. */
continue;
}
result = vkGetDisplayPlaneCapabilitiesKHR(physicalDevice, createInfo.displayMode, i, &planeCaps);
if (result != VK_SUCCESS)
{
if (result != VK_SUCCESS) {
SDL_SetError("Error getting display plane capabilities");
SDL_free(displayPlaneProperties);
goto error;
@ -468,8 +433,7 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
/* Check if plane fulfills extent requirements. */
if (extent.width >= planeCaps.minDstExtent.width && extent.height >= planeCaps.minDstExtent.height &&
extent.width <= planeCaps.maxDstExtent.width && extent.height <= planeCaps.maxDstExtent.height)
{
extent.width <= planeCaps.maxDstExtent.width && extent.height <= planeCaps.maxDstExtent.height) {
/* If it does, choose this plane. */
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vulkandisplay: Choosing plane %d, minimum extent %dx%d maximum extent %dx%d", i,
planeCaps.minDstExtent.width, planeCaps.minDstExtent.height,
@ -479,8 +443,7 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
}
}
if (planeIndex < 0)
{
if (planeIndex < 0) {
SDL_SetError("No plane supports the selected resolution");
SDL_free(displayPlaneProperties);
goto error;
@ -509,8 +472,7 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
SDL_free(physicalDevices);
physicalDevices = NULL;
if (physicalDeviceIndex == physicalDeviceCount)
{
if (physicalDeviceIndex == physicalDeviceCount) {
SDL_SetError("No usable displays found or requested display out of range");
return SDL_FALSE;
}
@ -519,16 +481,14 @@ SDL_bool SDL_Vulkan_Display_CreateSurface(void *vkGetInstanceProcAddr_,
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));
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;