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Initial changes to get a triangle on linux

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Signed-off-by: Robear Selwans <robear.selwans@outlook.com>
This commit is contained in:
Robear Selwans
2025-07-07 10:54:09 +03:00
parent f4d111c7e9
commit 7ae6de6e45
8 changed files with 155 additions and 31 deletions
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54
main.c
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@@ -19,7 +19,12 @@ int main(void)
}),
.extensions = svec_init(evstring, {
evstr("VK_KHR_surface"),
// TODO Get these from GLFW
#if EV_OS_WINDOWS
evstr("VK_KHR_win32_surface"),
#elif EV_OS_LINUX
evstr("VK_KHR_xcb_surface"),
#endif
}),
});
@@ -32,7 +37,9 @@ int main(void)
evkDevice device = evkCreateDevice((evkDeviceCreateInfo) {
.instance = instance,
.physicalDeviceType = VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU,
// TODO Add a fallback physical device option.
// .physicalDeviceType = VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU,
.physicalDeviceType = VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU,
.queueRequirements = svec_init(evkDeviceQueueRequirement, {
{ VK_QUEUE_GRAPHICS_BIT, 1 },
{ VK_QUEUE_COMPUTE_BIT , 1 },
@@ -54,6 +61,7 @@ int main(void)
puts("Couldn't create a VkDevice");
goto DeviceCreationFailed;
}
puts("Logical Device created successfully.");
VkQueue graphicsQueue;
vkGetDeviceQueue(device.vk, device.queueFamilies[VK_QUEUE_GRAPHICS_BIT].familyIndex, 0, &graphicsQueue);
@@ -201,19 +209,30 @@ int main(void)
evkPipeline graphicsPipeline = evkCreatePipeline(device, pipelineCreateInfo);
VkFence drawFence = evkCreateFence(device, false);
VkSemaphore imageAcquiredSemaphore = evkCreateSemaphore(device);
VkSemaphore drawFinishedSemaphore = evkCreateSemaphore(device);
u32 imageCount = vec_len(&swapChain.images);
VkFence drawFence = evkCreateFence(device, false);
vec(VkSemaphore) imageAcquiredSemaphores = vec_init(VkSemaphore);
vec(VkSemaphore) drawFinishedSemaphores = vec_init(VkSemaphore);
for(u32 i = 0; i < imageCount; i++)
{
imageAcquiredSemaphores[i] = evkCreateSemaphore(device);
drawFinishedSemaphores[i] = evkCreateSemaphore(device);
}
// VkSemaphore imageAcquiredSemaphore = evkCreateSemaphore(device);
// VkSemaphore drawFinishedSemaphore = evkCreateSemaphore(device);
i32 imageIdx = -1;
while(!glfwWindowShouldClose(window))
{
u32 imageIdx;
vkAcquireNextImageKHR(device.vk, swapChain.vk, UInt64.MAX, imageAcquiredSemaphore, VK_NULL_HANDLE, &imageIdx);
imageIdx = (imageIdx + 1) % imageCount;
u32 swapChainImageIdx;
EVK_ASSERT(vkAcquireNextImageKHR(device.vk, swapChain.vk, UInt64.MAX, imageAcquiredSemaphores[imageIdx], VK_NULL_HANDLE, &swapChainImageIdx));
evkCommandBuffer cmdbuf = commandBuffers[imageIdx];
VkRenderingAttachmentInfoKHR colorAttachment = EV_DEFAULT(VkRenderingAttachmentInfoKHR,
imageView = swapChain.imageViews[imageIdx].vk,
imageView = swapChain.imageViews[swapChainImageIdx].vk,
loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
storeOp= VK_ATTACHMENT_STORE_OP_STORE,
);
@@ -243,7 +262,7 @@ int main(void)
VkImageMemoryBarrier imageMemoryBarrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.image = swapChain.images[imageIdx].vk,
.image = swapChain.images[swapChainImageIdx].vk,
.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.subresourceRange = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
@@ -260,13 +279,13 @@ int main(void)
VkSubmitInfo submitInfo = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pCommandBuffers = &cmdbuf, // TODO This won't work with more than a single cmdbuf
.pCommandBuffers = &cmdbuf.vk, // TODO This won't work with more than a single cmdbuf
.commandBufferCount = 1,
.waitSemaphoreCount = 1,
.pWaitSemaphores = &imageAcquiredSemaphore,
.pWaitSemaphores = &imageAcquiredSemaphores[imageIdx],
.pWaitDstStageMask = waitStages,
.signalSemaphoreCount = 1,
.pSignalSemaphores = &drawFinishedSemaphore,
.pSignalSemaphores = &drawFinishedSemaphores[swapChainImageIdx],
};
vkQueueSubmit(graphicsQueue, 1, &submitInfo, drawFence);
@@ -276,10 +295,10 @@ int main(void)
VkPresentInfoKHR presentInfo = {
.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
.waitSemaphoreCount = 1,
.pWaitSemaphores = &drawFinishedSemaphore,
.pWaitSemaphores = &drawFinishedSemaphores[swapChainImageIdx],
.swapchainCount = 1,
.pSwapchains = &swapChain.vk,
.pImageIndices = &imageIdx,
.pImageIndices = &swapChainImageIdx,
};
vkQueuePresentKHR(graphicsQueue, &presentInfo);
@@ -292,8 +311,13 @@ int main(void)
vkQueueWaitIdle(graphicsQueue);
vkDestroyFence(device.vk, drawFence, NULL);
vkDestroySemaphore(device.vk, imageAcquiredSemaphore, NULL);
vkDestroySemaphore(device.vk, drawFinishedSemaphore, NULL);
for(u32 i = 0; i < imageCount; i++)
{
vkDestroySemaphore(device.vk, imageAcquiredSemaphores[i], NULL);
vkDestroySemaphore(device.vk, drawFinishedSemaphores[i], NULL);
}
// vkDestroySemaphore(device.vk, imageAcquiredSemaphore, NULL);
// vkDestroySemaphore(device.vk, drawFinishedSemaphore, NULL);
evkDestroyPipeline(graphicsPipeline);