static Display *dpy;
static Window win;
static int initflags;
+#define MAX_INIT_QUEUE 32
+static struct {
+ unsigned int flags;
+ int count;
+ int qfam;
+ VkCommandPool cmdpool;
+} initq[MAX_INIT_QUEUE];
+static int num_initq;
static VkInstance vk;
static VkPhysicalDevice vkpdev;
win = w;
}
+void vk_init_queue(unsigned int qflags, int count)
+{
+ int i;
+
+ for(i=0; i<num_initq; i++) {
+ if(initq[i].flags == qflags) {
+ initq[i].count += count;
+ return;
+ }
+ }
+
+ if(num_initq >= MAX_INIT_QUEUE) {
+ fprintf(stderr, "vk_init_queue: too many queues\n");
+ return;
+ }
+ initq[num_initq].flags = qflags;
+ initq[num_initq].count = count;
+ num_initq++;
+}
+
int vk_init(unsigned int flags, unsigned int *usedflags)
{
+ if(!num_initq) {
+ vk_init_queue(VKQ_GFX | VKQ_PRESENT, 1);
+ }
+
initflags = flags;
if(create_instance() == -1) return -1;
if(create_surface() == -1) return -1;
return q;
}
-VkQueue vk_getq(unsigned int flags)
+VkQueue vk_getq(unsigned int flags, int n)
+{
+ return vk_getq_fam(vk_find_qfamily(flags), n);
+}
+
+static VkCommandPool find_cmdpool(int qfam)
+{
+ int i;
+ VkCommandPoolCreateInfo pinf;
+
+ for(i=0; i<num_initq; i++) {
+ if(initq[i].qfam == qfam) {
+ if(!initq[i].cmdpool) {
+ /* allocate command pool for this queue family */
+ memset(&pinf, 0, sizeof pinf);
+ pinf.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
+ pinf.flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT | VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
+ pinf.queueFamilyIndex = qfam;
+
+ if(vkCreateCommandPool(vkdev, &pinf, 0, &initq[i].cmdpool) != 0) {
+ fprintf(stderr, "ck_create_cmdbuf: failed to create command buffer pool\n");
+ return 0;
+ }
+ }
+ return initq[i].cmdpool;
+ }
+ }
+
+ fprintf(stderr, "vk_create_cmdbuf: failed to find command pool for queue family: %d\n", qfam);
+ return 0;
+}
+
+VkCommandBuffer vk_create_cmdbuf_fam(int qfam, int level)
{
- return vk_getq_fam(vk_find_qfamily(flags), 0);
+ VkCommandBufferAllocateInfo inf = {0};
+ VkCommandBuffer cmdbuf;
+ VkCommandPool cmdpool;
+
+ if(!(cmdpool = find_cmdpool(qfam))) {
+ return 0;
+ }
+
+ inf.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
+ inf.commandPool = cmdpool;
+ inf.level = level;
+ inf.commandBufferCount = 1;
+
+ if(vkAllocateCommandBuffers(vkdev, &inf, &cmdbuf) != 0) {
+ fprintf(stderr, "vk_create_cmdbuf: failed to allocate command buffer\n");
+ return 0;
+ }
+ return cmdbuf;
+}
+
+VkCommandBuffer vk_create_cmdbuf(unsigned int qflags, int level)
+{
+ int qfam;
+
+ if((qfam = vk_find_qfamily(qflags)) == -1) {
+ fprintf(stderr, "vk_create_cmdbuf: failed to find matching queue family\n");
+ return 0;
+ }
+ return vk_create_cmdbuf_fam(qfam, level);
}
int vk_create_rpass(void)
static int create_device(void)
{
- float prio = 1.0f;
- VkDeviceQueueCreateInfo qinf = {0};
+ float *prio;
+ VkDeviceQueueCreateInfo qinf[MAX_INIT_QUEUE] = {0};
VkPhysicalDeviceFeatures feat = {0};
VkDeviceCreateInfo devinf = {0};
const char *ext[ARRSZ(known_devext_list) + 16];
- int i, num_ext;
+ int i, j, num_ext, qfam, totalq;
vkEnumerateDeviceExtensionProperties(vkpdev, 0, &dev_ext_count, 0);
dev_ext = malloc_nf(dev_ext_count * sizeof *dev_ext);
}
}
- qinf.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
- qinf.queueFamilyIndex = vk_find_qfamily(VKQ_GFX | VKQ_PRESENT);
- qinf.queueCount = 1;
- qinf.pQueuePriorities = &prio;
+ totalq = 0;
+ for(i=0; i<num_initq; i++) {
+ totalq += initq[i].count;
+ }
+ if(totalq > 1024) {
+ fprintf(stderr, "create_device: arbitrary limit of total queues exceeded (%d)\n", totalq);
+ return -1;
+ }
+ prio = alloca(totalq * sizeof *prio);
+
+ for(i=0; i<num_initq; i++) {
+ if((qfam = vk_find_qfamily(initq[i].flags)) == -1) {
+ fprintf(stderr, "create_device: failed to find queue family (flags: 0x%2x)\n",
+ initq[i].flags);
+ return -1;
+ }
+ initq[i].qfam = qfam;
+ initq[i].cmdpool = 0;
+
+ qinf[i].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+ qinf[i].queueFamilyIndex = qfam;
+ qinf[i].queueCount = initq[i].count;
+ qinf[i].pQueuePriorities = prio;
+ for(j=0; j<initq[i].count; i++) {
+ *prio++ = 1.0f; /* all queue priorities 1 */
+ }
+ }
devinf.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
- devinf.pQueueCreateInfos = &qinf;
- devinf.queueCreateInfoCount = 1;
+ devinf.pQueueCreateInfos = qinf;
+ devinf.queueCreateInfoCount = num_initq;
devinf.pEnabledFeatures = &feat;
devinf.enabledExtensionCount = num_ext;
devinf.ppEnabledExtensionNames = ext;