Mercurial > games > semicongine
annotate src/semicongine/vulkan/swapchain.nim @ 590:1edf3e16144e
add: input handling, small refactoring for renderer
| author | Sam <sam@basx.dev> |
|---|---|
| date | Tue, 18 Apr 2023 03:04:37 +0700 |
| parents | b434feaf2b67 |
| children | 11666d28e04d |
| rev | line source |
|---|---|
| 567 | 1 import std/options |
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2 import std/logging |
| 567 | 3 |
| 557 | 4 import ./api |
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5 import ./utils |
| 557 | 6 import ./device |
| 7 import ./physicaldevice | |
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8 import ./image |
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9 import ./renderpass |
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10 import ./framebuffer |
| 567 | 11 import ./commandbuffer |
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12 import ./syncing |
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13 |
| 559 | 14 import ../math |
| 557 | 15 |
| 16 type | |
| 588 | 17 Swapchain* = object |
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18 device*: Device |
| 557 | 19 vk*: VkSwapchainKHR |
| 559 | 20 format*: VkFormat |
| 21 dimension*: TVec2[uint32] | |
| 567 | 22 renderPass*: RenderPass |
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23 nImages*: uint32 |
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24 imageviews*: seq[ImageView] |
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25 framebuffers*: seq[Framebuffer] |
| 569 | 26 currentInFlight*: int |
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27 currentFramebufferIndex: uint32 |
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28 framesRendered*: uint64 |
| 567 | 29 queueFinishedFence: seq[Fence] |
| 30 imageAvailableSemaphore*: seq[Semaphore] | |
| 31 renderFinishedSemaphore*: seq[Semaphore] | |
| 32 commandBufferPool: CommandBufferPool | |
| 588 | 33 inFlightFrames: int |
| 557 | 34 |
| 35 | |
| 559 | 36 proc createSwapchain*( |
| 37 device: Device, | |
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38 renderPass: RenderPass, |
| 559 | 39 surfaceFormat: VkSurfaceFormatKHR, |
| 567 | 40 queueFamily: QueueFamily, |
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41 desiredNumberOfImages=3'u32, |
| 588 | 42 presentationMode: VkPresentModeKHR=VK_PRESENT_MODE_MAILBOX_KHR, |
| 43 inFlightFrames=2 | |
| 559 | 44 ): (Swapchain, VkResult) = |
| 557 | 45 assert device.vk.valid |
| 46 assert device.physicalDevice.vk.valid | |
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47 assert renderPass.vk.valid |
| 588 | 48 assert inFlightFrames > 0 |
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49 |
| 557 | 50 var capabilities = device.physicalDevice.getSurfaceCapabilities() |
| 51 | |
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52 var imageCount = desiredNumberOfImages |
| 557 | 53 # following is according to vulkan specs |
| 54 if presentationMode in [VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR, VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR]: | |
| 55 imageCount = 1 | |
| 56 else: | |
| 57 imageCount = max(imageCount, capabilities.minImageCount) | |
| 58 if capabilities.maxImageCount != 0: | |
| 59 imageCount = min(imageCount, capabilities.maxImageCount) | |
| 60 | |
| 61 var createInfo = VkSwapchainCreateInfoKHR( | |
| 62 sType: VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, | |
| 63 surface: device.physicalDevice.surface, | |
| 64 minImageCount: imageCount, | |
| 65 imageFormat: surfaceFormat.format, | |
| 66 imageColorSpace: surfaceFormat.colorSpace, | |
| 67 imageExtent: capabilities.currentExtent, | |
| 68 imageArrayLayers: 1, | |
| 69 imageUsage: toBits [VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT], | |
| 70 # VK_SHARING_MODE_CONCURRENT no supported currently | |
| 71 imageSharingMode: VK_SHARING_MODE_EXCLUSIVE, | |
| 72 preTransform: capabilities.currentTransform, | |
| 73 compositeAlpha: VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, # only used for blending with other windows, can be opaque | |
| 74 presentMode: presentationMode, | |
| 75 clipped: true, | |
| 76 ) | |
| 77 var | |
| 559 | 78 swapchain = Swapchain( |
| 79 device: device, | |
| 80 format: surfaceFormat.format, | |
| 567 | 81 dimension: TVec2[uint32]([capabilities.currentExtent.width, capabilities.currentExtent.height]), |
| 82 renderPass: renderPass, | |
| 588 | 83 inFlightFrames: inFlightFrames |
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84 ) |
| 557 | 85 createResult = device.vk.vkCreateSwapchainKHR(addr(createInfo), nil, addr(swapchain.vk)) |
| 86 | |
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87 if createResult == VK_SUCCESS: |
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88 var nImages: uint32 |
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89 checkVkResult device.vk.vkGetSwapchainImagesKHR(swapChain.vk, addr(nImages), nil) |
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90 swapchain.nImages = nImages |
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91 var images = newSeq[VkImage](nImages) |
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92 checkVkResult device.vk.vkGetSwapchainImagesKHR(swapChain.vk, addr(nImages), images.toCPointer) |
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93 for vkimage in images: |
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94 let image = Image(vk: vkimage, format: surfaceFormat.format, device: device) |
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95 let imageview = image.createImageView() |
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96 swapChain.imageviews.add imageview |
| 588 | 97 swapChain.framebuffers.add swapchain.device.createFramebuffer(renderPass.vk, [imageview], swapchain.dimension) |
| 98 for i in 0 ..< swapchain.inFlightFrames: | |
| 567 | 99 swapchain.queueFinishedFence.add device.createFence() |
| 100 swapchain.imageAvailableSemaphore.add device.createSemaphore() | |
| 101 swapchain.renderFinishedSemaphore.add device.createSemaphore() | |
| 588 | 102 swapchain.commandBufferPool = device.createCommandBufferPool(queueFamily, swapchain.inFlightFrames) |
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103 |
| 557 | 104 return (swapchain, createResult) |
| 105 | |
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106 proc currentFramebuffer*(swapchain: Swapchain): Framebuffer = |
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107 swapchain.framebuffers[swapchain.currentFramebufferIndex] |
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108 |
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109 proc nextFrame*(swapchain: var Swapchain): VkCommandBuffer = |
| 567 | 110 assert swapchain.device.vk.valid |
| 111 assert swapchain.vk.valid | |
| 112 assert swapchain.device.firstGraphicsQueue().isSome | |
| 113 assert swapchain.device.firstPresentationQueue().isSome | |
| 114 | |
| 588 | 115 swapchain.currentInFlight = (swapchain.currentInFlight + 1) mod swapchain.inFlightFrames |
| 567 | 116 swapchain.queueFinishedFence[swapchain.currentInFlight].wait() |
| 117 | |
| 118 let nextImageResult = swapchain.device.vk.vkAcquireNextImageKHR( | |
| 119 swapchain.vk, | |
| 120 high(uint64), | |
| 121 swapchain.imageAvailableSemaphore[swapchain.currentInFlight].vk, | |
| 122 VkFence(0), | |
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123 addr(swapchain.currentFramebufferIndex) |
| 567 | 124 ) |
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125 # TODO: resize swapchain on VK_SUBOPTIMAL_KHR |
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126 echo "HIIIIIIIIIIII next image result", nextImageResult |
| 567 | 127 if not (nextImageResult in [VK_SUCCESS, VK_TIMEOUT, VK_NOT_READY, VK_SUBOPTIMAL_KHR]): |
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128 return |
| 567 | 129 |
| 130 swapchain.queueFinishedFence[swapchain.currentInFlight].reset() | |
| 131 | |
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132 return swapchain.commandBufferPool.buffers[swapchain.currentInFlight] |
| 567 | 133 |
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134 proc swap*(swapchain: var Swapchain): bool = |
| 567 | 135 var |
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136 commandBuffer = swapchain.commandBufferPool.buffers[swapchain.currentInFlight] |
| 567 | 137 waitSemaphores = [swapchain.imageAvailableSemaphore[swapchain.currentInFlight].vk] |
| 138 waitStages = [VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT)] | |
| 139 submitInfo = VkSubmitInfo( | |
| 140 sType: VK_STRUCTURE_TYPE_SUBMIT_INFO, | |
| 141 waitSemaphoreCount: 1, | |
| 142 pWaitSemaphores: addr(waitSemaphores[0]), | |
| 143 pWaitDstStageMask: addr(waitStages[0]), | |
| 144 commandBufferCount: 1, | |
| 569 | 145 pCommandBuffers: addr(commandBuffer), |
| 567 | 146 signalSemaphoreCount: 1, |
| 147 pSignalSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentInFlight].vk), | |
| 148 ) | |
| 149 checkVkResult vkQueueSubmit( | |
| 150 swapchain.device.firstGraphicsQueue().get.vk, | |
| 151 1, | |
| 152 addr(submitInfo), | |
| 153 swapchain.queueFinishedFence[swapchain.currentInFlight].vk | |
| 154 ) | |
| 155 | |
| 156 var presentInfo = VkPresentInfoKHR( | |
| 157 sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, | |
| 158 waitSemaphoreCount: 1, | |
| 159 pWaitSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentInFlight].vk), | |
| 160 swapchainCount: 1, | |
| 161 pSwapchains: addr(swapchain.vk), | |
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162 pImageIndices: addr(swapchain.currentFramebufferIndex), |
| 567 | 163 pResults: nil, |
| 164 ) | |
| 165 let presentResult = vkQueuePresentKHR(swapchain.device.firstPresentationQueue().get().vk, addr(presentInfo)) | |
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166 # TODO: resize swapchain on VK_SUBOPTIMAL_KHR |
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167 echo "HIIIIIIIIIIII Present Result:", presentResult |
| 567 | 168 if not (presentResult in [VK_SUCCESS, VK_SUBOPTIMAL_KHR]): |
| 169 return false | |
| 170 | |
| 569 | 171 inc swapchain.framesRendered |
| 567 | 172 return true |
| 173 | |
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174 |
| 557 | 175 proc destroy*(swapchain: var Swapchain) = |
| 176 assert swapchain.vk.valid | |
| 567 | 177 assert swapchain.commandBufferPool.vk.valid |
| 178 | |
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179 for imageview in swapchain.imageviews.mitems: |
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180 assert imageview.vk.valid |
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181 imageview.destroy() |
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182 for framebuffer in swapchain.framebuffers.mitems: |
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183 assert framebuffer.vk.valid |
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184 framebuffer.destroy() |
| 567 | 185 swapchain.commandBufferPool.destroy() |
| 588 | 186 for i in 0 ..< swapchain.inFlightFrames: |
| 567 | 187 assert swapchain.queueFinishedFence[i].vk.valid |
| 188 assert swapchain.imageAvailableSemaphore[i].vk.valid | |
| 189 assert swapchain.renderFinishedSemaphore[i].vk.valid | |
| 190 swapchain.queueFinishedFence[i].destroy() | |
| 191 swapchain.imageAvailableSemaphore[i].destroy() | |
| 192 swapchain.renderFinishedSemaphore[i].destroy() | |
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193 |
| 557 | 194 swapchain.device.vk.vkDestroySwapchainKHR(swapchain.vk, nil) |
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195 swapchain.vk.reset() |