Mercurial > games > semicongine

annotate semiconginev2/rendering/swapchain.nim @ 1257:e9b8d87b9883

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fix: super stupid bug in perspective matrix X(
author sam <sam@basx.dev>
date Sun, 28 Jul 2024 18:55:46 +0700
parents 69489a678141
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 const N_FRAMEBUFFERS = 3'u32
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2
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3 proc InitSwapchain(
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4 renderPass: RenderPass,
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5 vSync: bool = false,
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6 oldSwapchain: Swapchain = nil,
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7 ): Swapchain =
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8 assert vulkan.instance.Valid, "Vulkan not initialized"
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9
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10 var capabilities: VkSurfaceCapabilitiesKHR
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11 checkVkResult vkGetPhysicalDeviceSurfaceCapabilitiesKHR(vulkan.physicalDevice, vulkan.surface, addr(capabilities))
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12 let
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13 width = capabilities.currentExtent.width
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14 height = capabilities.currentExtent.height
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15
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16 if width == 0 or height == 0:
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17 return nil
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18
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19 # following "count" is established according to vulkan specs
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20 var minFramebufferCount = N_FRAMEBUFFERS
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21 minFramebufferCount = max(minFramebufferCount, capabilities.minImageCount)
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22 if capabilities.maxImageCount != 0:
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23 minFramebufferCount = min(minFramebufferCount, capabilities.maxImageCount)
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24
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25 # create swapchain
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26 let hasTripleBuffering = VK_PRESENT_MODE_MAILBOX_KHR in svkGetPhysicalDeviceSurfacePresentModesKHR()
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27 var swapchainCreateInfo = VkSwapchainCreateInfoKHR(
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28 sType: VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
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29 surface: vulkan.surface,
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30 minImageCount: minFramebufferCount,
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31 imageFormat: SURFACE_FORMAT,
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32 imageColorSpace: VK_COLOR_SPACE_SRGB_NONLINEAR_KHR, # only one supported without special extensions
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33 imageExtent: capabilities.currentExtent,
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34 imageArrayLayers: 1,
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35 imageUsage: toBits [VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT],
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36 imageSharingMode: VK_SHARING_MODE_EXCLUSIVE,
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37 preTransform: capabilities.currentTransform,
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38 compositeAlpha: VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, # only used for blending with other windows, can be opaque
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39 presentMode: if (vSync or not hasTripleBuffering): VK_PRESENT_MODE_FIFO_KHR else: VK_PRESENT_MODE_MAILBOX_KHR,
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40 clipped: true,
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41 oldSwapchain: if oldSwapchain != nil: oldSwapchain.vk else: VkSwapchainKHR(0),
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42 )
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43 var swapchain = Swapchain(
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44 width: width,
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45 height: height,
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46 renderPass: renderPass,
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47 vSync: vSync,
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48 oldSwapchain: oldSwapchain,
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49 )
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50
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51 if vkCreateSwapchainKHR(vulkan.device, addr(swapchainCreateInfo), nil, addr(swapchain.vk)) != VK_SUCCESS:
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52 return nil
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53
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54 if swapchain.oldSwapchain != nil:
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55 swapchain.oldSwapchainCounter = INFLIGHTFRAMES.int * 2
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56
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57 # create depth buffer image+view if desired
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58 if renderPass.depthBuffer:
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59 swapchain.depthImage = svkCreate2DImage(
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60 width = width,
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61 height = height,
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62 format = DEPTH_FORMAT,
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63 usage = [VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT],
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64 samples = renderPass.samples,
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65 )
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66 let requirements = svkGetImageMemoryRequirements(swapchain.depthImage)
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67 swapchain.depthMemory = svkAllocateMemory(
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68 requirements.size,
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69 BestMemory(mappable = false, filter = requirements.memoryTypes)
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70 )
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71 checkVkResult vkBindImageMemory(
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72 vulkan.device,
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73 swapchain.depthImage,
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74 swapchain.depthMemory,
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75 0,
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76 )
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77 swapchain.depthImageView = svkCreate2DImageView(
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78 image = swapchain.depthImage,
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79 format = DEPTH_FORMAT,
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80 aspect = VK_IMAGE_ASPECT_DEPTH_BIT
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81 )
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82
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83 # create msaa image+view if desired
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84 if renderPass.samples != VK_SAMPLE_COUNT_1_BIT:
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85 swapchain.msaaImage = svkCreate2DImage(
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86 width = width,
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87 height = height,
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88 format = SURFACE_FORMAT,
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89 usage = [VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT],
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90 samples = renderPass.samples,
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91 )
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92 let requirements = svkGetImageMemoryRequirements(swapchain.msaaImage)
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93 swapchain.msaaMemory = svkAllocateMemory(
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94 requirements.size,
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95 BestMemory(mappable = false, filter = requirements.memoryTypes)
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96 )
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97 checkVkResult vkBindImageMemory(
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98 vulkan.device,
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99 swapchain.msaaImage,
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100 swapchain.msaaMemory,
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101 0,
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102 )
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103 swapchain.msaaImageView = svkCreate2DImageView(image = swapchain.msaaImage, format = SURFACE_FORMAT)
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104
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105 # create framebuffers
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106 var actualNFramebuffers: uint32
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107 checkVkResult vkGetSwapchainImagesKHR(vulkan.device, swapchain.vk, addr(actualNFramebuffers), nil)
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108 var framebuffers = newSeq[VkImage](actualNFramebuffers)
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109 checkVkResult vkGetSwapchainImagesKHR(vulkan.device, swapchain.vk, addr(actualNFramebuffers), framebuffers.ToCPointer)
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110
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111 for framebuffer in framebuffers:
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112 swapchain.framebufferViews.add svkCreate2DImageView(framebuffer, SURFACE_FORMAT)
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113 var attachments: seq[VkImageView]
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114 if renderPass.samples == VK_SAMPLE_COUNT_1_BIT:
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115 if renderPass.depthBuffer:
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116 attachments = @[swapchain.framebufferViews[^1], swapchain.depthImageView]
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117 else:
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118 attachments = @[swapchain.framebufferViews[^1]]
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119 else:
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120 if renderPass.depthBuffer:
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121 attachments = @[swapchain.msaaImageView, swapchain.depthImageView, swapchain.framebufferViews[^1]]
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122 else:
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123 attachments = @[swapchain.msaaImageView, swapchain.framebufferViews[^1]]
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124
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125 swapchain.framebuffers.add svkCreateFramebuffer(
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126 renderpass = renderPass.vk,
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127 width = width,
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128 height = height,
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129 attachments = attachments,
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130 )
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131
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132 # create sync primitives
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133 for i in 0 ..< INFLIGHTFRAMES:
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134 swapchain.queueFinishedFence[i] = svkCreateFence(signaled = true)
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parents: 1195
diff changeset
135 swapchain.imageAvailableSemaphore[i] = svkCreateSemaphore()
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parents: 1195
diff changeset
136 swapchain.renderFinishedSemaphore[i] = svkCreateSemaphore()
1198
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diff changeset
137
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parents: 1197
diff changeset
138 # command buffers
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parents: 1197
diff changeset
139 var commandPoolCreateInfo = VkCommandPoolCreateInfo(
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parents: 1197
diff changeset
140 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
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sam <sam@basx.dev>
parents: 1197
diff changeset
141 flags: toBits [VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT],
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sam <sam@basx.dev>
parents: 1197
diff changeset
142 queueFamilyIndex: vulkan.graphicsQueueFamily,
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sam <sam@basx.dev>
parents: 1197
diff changeset
143 )
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sam <sam@basx.dev>
parents: 1197
diff changeset
144 checkVkResult vkCreateCommandPool(vulkan.device, addr(commandPoolCreateInfo), nil, addr(swapchain.commandBufferPool))
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parents: 1197
diff changeset
145 var allocInfo = VkCommandBufferAllocateInfo(
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sam <sam@basx.dev>
parents: 1197
diff changeset
146 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
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parents: 1197
diff changeset
147 commandPool: swapchain.commandBufferPool,
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parents: 1197
diff changeset
148 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY,
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parents: 1197
diff changeset
149 commandBufferCount: INFLIGHTFRAMES,
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parents: 1197
diff changeset
150 )
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parents: 1197
diff changeset
151 checkVkResult vkAllocateCommandBuffers(vulkan.device, addr(allocInfo), swapchain.commandBuffers.ToCPointer)
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152
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153 return swapchain
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154
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155 proc DestroySwapchain*(swapchain: Swapchain) =
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diff changeset
156 if swapchain.oldSwapchain != nil:
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diff changeset
157 DestroySwapchain(swapchain.oldSwapchain)
1200
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158
1229
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159 if swapchain.msaaImage.Valid:
1204
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sam <sam@basx.dev>
parents: 1201
diff changeset
160 vkDestroyImageView(vulkan.device, swapchain.msaaImageView, nil)
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sam <sam@basx.dev>
parents: 1201
diff changeset
161 vkDestroyImage(vulkan.device, swapchain.msaaImage, nil)
e2901100a596 add: tests, some fixes, some helpers
sam <sam@basx.dev>
parents: 1201
diff changeset
162 vkFreeMemory(vulkan.device, swapchain.msaaMemory, nil)
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sam <sam@basx.dev>
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163
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164 if swapchain.depthImage.Valid:
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165 vkDestroyImageView(vulkan.device, swapchain.depthImageView, nil)
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sam <sam@basx.dev>
parents: 1218
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166 vkDestroyImage(vulkan.device, swapchain.depthImage, nil)
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sam <sam@basx.dev>
parents: 1218
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167 vkFreeMemory(vulkan.device, swapchain.depthMemory, nil)
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diff changeset
168
1200
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169 for fence in swapchain.queueFinishedFence:
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diff changeset
170 vkDestroyFence(vulkan.device, fence, nil)
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sam <sam@basx.dev>
parents: 1199
diff changeset
171
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sam <sam@basx.dev>
parents: 1199
diff changeset
172 for semaphore in swapchain.imageAvailableSemaphore:
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sam <sam@basx.dev>
parents: 1199
diff changeset
173 vkDestroySemaphore(vulkan.device, semaphore, nil)
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sam <sam@basx.dev>
parents: 1199
diff changeset
174
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sam <sam@basx.dev>
parents: 1199
diff changeset
175 for semaphore in swapchain.renderFinishedSemaphore:
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sam <sam@basx.dev>
parents: 1199
diff changeset
176 vkDestroySemaphore(vulkan.device, semaphore, nil)
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parents: 1199
diff changeset
177
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sam <sam@basx.dev>
parents: 1199
diff changeset
178 for imageView in swapchain.framebufferViews:
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diff changeset
179 vkDestroyImageView(vulkan.device, imageView, nil)
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180
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181 for framebuffer in swapchain.framebuffers:
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182 vkDestroyFramebuffer(vulkan.device, framebuffer, nil)
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183
1200
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184 vkDestroyCommandPool(vulkan.device, swapchain.commandBufferPool, nil)
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185
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186 vkDestroySwapchainKHR(vulkan.device, swapchain.vk, nil)
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187
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188 proc TryAcquireNextImage(swapchain: Swapchain): Option[VkFramebuffer] =
1200
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parents: 1199
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189 if not swapchain.queueFinishedFence[swapchain.currentFiF].Await(100_000_000):
1199
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diff changeset
190 return none(VkFramebuffer)
1195
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diff changeset
191
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sam <sam@basx.dev>
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diff changeset
192 let nextImageResult = vkAcquireNextImageKHR(
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sam <sam@basx.dev>
parents: 1194
diff changeset
193 vulkan.device,
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sam <sam@basx.dev>
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diff changeset
194 swapchain.vk,
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diff changeset
195 high(uint64),
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parents: 1194
diff changeset
196 swapchain.imageAvailableSemaphore[swapchain.currentFiF],
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sam <sam@basx.dev>
parents: 1194
diff changeset
197 VkFence(0),
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sam <sam@basx.dev>
parents: 1194
diff changeset
198 addr(swapchain.currentFramebufferIndex),
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sam <sam@basx.dev>
parents: 1194
diff changeset
199 )
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
200
1199
ba1af13233ee add: working main-renderloop
sam <sam@basx.dev>
parents: 1198
diff changeset
201 swapchain.queueFinishedFence[swapchain.currentFiF].svkResetFences()
1195
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diff changeset
202
1196
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parents: 1195
diff changeset
203 if nextImageResult != VK_SUCCESS:
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sam <sam@basx.dev>
parents: 1195
diff changeset
204 return none(VkFramebuffer)
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parents: 1195
diff changeset
205 return some(swapchain.framebuffers[swapchain.currentFramebufferIndex])
1194
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sam <sam@basx.dev>
parents:
diff changeset
206
1229
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sam <sam@basx.dev>
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diff changeset
207 proc Swap(swapchain: Swapchain, commandBuffer: VkCommandBuffer): bool =
1195
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diff changeset
208 var
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diff changeset
209 waitStage = VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT)
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
210 submitInfo = VkSubmitInfo(
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sam <sam@basx.dev>
parents: 1194
diff changeset
211 sType: VK_STRUCTURE_TYPE_SUBMIT_INFO,
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
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diff changeset
212 waitSemaphoreCount: 1,
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sam <sam@basx.dev>
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diff changeset
213 pWaitSemaphores: addr(swapchain.imageAvailableSemaphore[swapchain.currentFiF]),
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
214 pWaitDstStageMask: addr(waitStage),
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
215 commandBufferCount: 1,
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
216 pCommandBuffers: addr(commandBuffer),
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
217 signalSemaphoreCount: 1,
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
218 pSignalSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentFiF]),
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
219 )
1197
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parents: 1196
diff changeset
220 checkVkResult vkQueueSubmit(
1198
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diff changeset
221 queue = vulkan.graphicsQueue,
1195
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sam <sam@basx.dev>
parents: 1194
diff changeset
222 submitCount = 1,
1197
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sam <sam@basx.dev>
parents: 1196
diff changeset
223 pSubmits = addr(submitInfo),
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sam <sam@basx.dev>
parents: 1196
diff changeset
224 fence = swapchain.queueFinishedFence[swapchain.currentFiF]
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
225 )
1194
397c681f9c0c swapchain and stuff
sam <sam@basx.dev>
parents:
diff changeset
226
1195
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sam <sam@basx.dev>
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diff changeset
227 var presentInfo = VkPresentInfoKHR(
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
228 sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
229 waitSemaphoreCount: 1,
1197
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sam <sam@basx.dev>
parents: 1196
diff changeset
230 pWaitSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentFiF]),
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
231 swapchainCount: 1,
1197
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sam <sam@basx.dev>
parents: 1196
diff changeset
232 pSwapchains: addr(swapchain.vk),
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sam <sam@basx.dev>
parents: 1196
diff changeset
233 pImageIndices: addr(swapchain.currentFramebufferIndex),
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
234 pResults: nil,
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
235 )
1197
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sam <sam@basx.dev>
parents: 1196
diff changeset
236 let presentResult = vkQueuePresentKHR(vulkan.graphicsQueue, addr(presentInfo))
1200
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sam <sam@basx.dev>
parents: 1199
diff changeset
237
5c6491f28dcd did: simplify some swapchain stuff, add many destructor calls
sam <sam@basx.dev>
parents: 1199
diff changeset
238 if swapchain.oldSwapchain != nil:
5c6491f28dcd did: simplify some swapchain stuff, add many destructor calls
sam <sam@basx.dev>
parents: 1199
diff changeset
239 dec swapchain.oldSwapchainCounter
5c6491f28dcd did: simplify some swapchain stuff, add many destructor calls
sam <sam@basx.dev>
parents: 1199
diff changeset
240 if swapchain.oldSwapchainCounter <= 0:
1229
5dcb503ef0c0 did: refactor renderpass a bit, enable depth buffering and msaa on offscreen-rendering
sam <sam@basx.dev>
parents: 1218
diff changeset
241 DestroySwapchain(swapchain.oldSwapchain)
1200
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sam <sam@basx.dev>
parents: 1199
diff changeset
242 swapchain.oldSwapchain = nil
5c6491f28dcd did: simplify some swapchain stuff, add many destructor calls
sam <sam@basx.dev>
parents: 1199
diff changeset
243
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
244 if presentResult != VK_SUCCESS:
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
245 return false
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
246
1198
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sam <sam@basx.dev>
parents: 1197
diff changeset
247 swapchain.currentFiF = (uint32(swapchain.currentFiF) + 1) mod INFLIGHTFRAMES
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
248 return true
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
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diff changeset
249
1239
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sam <sam@basx.dev>
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diff changeset
250 proc Recreate(swapchain: Swapchain): Swapchain =
1197
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sam <sam@basx.dev>
parents: 1196
diff changeset
251 InitSwapchain(
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
252 renderPass = swapchain.renderPass,
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
253 vSync = swapchain.vSync,
1229
5dcb503ef0c0 did: refactor renderpass a bit, enable depth buffering and msaa on offscreen-rendering
sam <sam@basx.dev>
parents: 1218
diff changeset
254 oldSwapchain = swapchain,
1195
cfba2b7e00d0 did: most of swapchain, swap still needs to be done
sam <sam@basx.dev>
parents: 1194
diff changeset
255 )
1198
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
256
1239
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
257 template WithNextFrame*(framebufferName, commandBufferName, body: untyped): untyped =
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
258 assert vulkan.swapchain != nil, "Swapchain has not been initialized yet"
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
259 var maybeFramebuffer = TryAcquireNextImage(vulkan.swapchain)
1200
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sam <sam@basx.dev>
parents: 1199
diff changeset
260 if maybeFramebuffer.isSome:
1198
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sam <sam@basx.dev>
parents: 1197
diff changeset
261 block:
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
262 let `framebufferName` {.inject.} = maybeFramebuffer.get
1239
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
263 let `commandBufferName` {.inject.} = vulkan.swapchain.commandBuffers[vulkan.swapchain.currentFiF]
1198
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
264 let beginInfo = VkCommandBufferBeginInfo(
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
265 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
266 flags: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT),
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
267 )
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
268 checkVkResult vkResetCommandBuffer(`commandBufferName`, VkCommandBufferResetFlags(0))
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
269 checkVkResult vkBeginCommandBuffer(`commandBufferName`, addr(beginInfo))
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
270
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
271 body
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
272
96a094cd0c78 sync to notebook in bedroom
sam <sam@basx.dev>
parents: 1197
diff changeset
273 checkVkResult vkEndCommandBuffer(`commandBufferName`)
1239
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
274 discard Swap(swapchain = vulkan.swapchain, commandBuffer = `commandBufferName`)
1200
5c6491f28dcd did: simplify some swapchain stuff, add many destructor calls
sam <sam@basx.dev>
parents: 1199
diff changeset
275 else:
1239
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
276 let newSwapchain = Recreate(vulkan.swapchain)
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
277 if newSwapchain != nil:
69489a678141 add: better syncing, better swapchain access, correct font offset, two font-rendering tests
sam <sam@basx.dev>
parents: 1229
diff changeset
278 vulkan.swapchain = newSwapchain