Mercurial > games > semicongine

annotate semiconginev2/rendering/renderpasses.nim @ 1266:9e4dc93d4fa9

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did: completely rewrite readme
author sam <sam@basx.dev>
date Sun, 28 Jul 2024 22:50:22 +0700
parents 5dcb503ef0c0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 proc CreateDirectPresentationRenderPass*(depthBuffer: bool, samples = VK_SAMPLE_COUNT_1_BIT): RenderPass =
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2 assert vulkan.instance.Valid, "Vulkan not initialized"
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3 result = RenderPass(depthBuffer: depthBuffer, samples: samples)
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4
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5 var attachments = @[VkAttachmentDescription(
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6 format: SURFACE_FORMAT,
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7 samples: samples,
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8 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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9 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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10 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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11 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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12 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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13 finalLayout: if samples == VK_SAMPLE_COUNT_1_BIT: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR else: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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14 )]
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15 if depthBuffer:
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16 attachments.add VkAttachmentDescription(
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17 format: DEPTH_FORMAT,
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18 samples: samples,
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19 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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20 storeOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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21 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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22 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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23 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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24 finalLayout: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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25 )
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26 if samples != VK_SAMPLE_COUNT_1_BIT:
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27 attachments.add VkAttachmentDescription(
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28 format: SURFACE_FORMAT,
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29 samples: VK_SAMPLE_COUNT_1_BIT,
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30 loadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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31 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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32 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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33 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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34 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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35 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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36 )
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37 var
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38 dependencies = @[
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39 VkSubpassDependency(
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40 srcSubpass: VK_SUBPASS_EXTERNAL,
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41 dstSubpass: 0,
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42 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT],
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43 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT],
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44 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT],
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45 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT],
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46 )
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47 ]
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48 colorAttachment = VkAttachmentReference(
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49 attachment: 0,
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50 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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51 )
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52 depthAttachment = VkAttachmentReference(
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53 attachment: 1,
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54 layout: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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55 )
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56 resolveAttachment = VkAttachmentReference(
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57 attachment: (attachments.len - 1).uint32, # depending on whether depthBuffer is used or not
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58 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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59 )
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60
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61 result.vk = svkCreateRenderPass(
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62 attachments = attachments,
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63 colorAttachments = [colorAttachment],
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64 depthAttachments = if depthBuffer: @[depthAttachment] else: @[],
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65 resolveAttachments = if samples > VK_SAMPLE_COUNT_1_BIT: @[resolveAttachment] else: @[],
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66 dependencies = dependencies,
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67 )
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68
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69 proc CreateIndirectPresentationRenderPass*(depthBuffer: bool, samples = VK_SAMPLE_COUNT_1_BIT): (RenderPass, RenderPass) =
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70 assert vulkan.instance.Valid, "Vulkan not initialized"
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71
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72 result[0] = RenderPass(depthBuffer: depthBuffer, samples: samples)
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73 result[1] = RenderPass(depthBuffer: false, samples: VK_SAMPLE_COUNT_1_BIT)
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74
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75 # first renderpass, drawing
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76 var
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77 attachments = @[VkAttachmentDescription(
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78 format: SURFACE_FORMAT, # not strictly necessary
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79 samples: samples,
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80 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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81 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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82 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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83 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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84 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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85 # finalLayout: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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86 finalLayout: if samples == VK_SAMPLE_COUNT_1_BIT: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL else: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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87 )]
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88 if depthBuffer:
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89 attachments.add VkAttachmentDescription(
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90 format: DEPTH_FORMAT,
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91 samples: samples,
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92 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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93 storeOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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94 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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95 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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96 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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97 finalLayout: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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98 )
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99 if samples != VK_SAMPLE_COUNT_1_BIT:
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100 attachments.add VkAttachmentDescription(
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101 format: SURFACE_FORMAT,
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102 samples: VK_SAMPLE_COUNT_1_BIT,
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103 loadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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104 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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105 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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106 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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107 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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108 finalLayout: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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109 )
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110
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111 var
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112 dependencies = @[
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113 VkSubpassDependency(
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114 srcSubpass: VK_SUBPASS_EXTERNAL,
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115 dstSubpass: 0,
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116 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT],
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117 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT],
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118 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT],
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119 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT],
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120 ),
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121 VkSubpassDependency(
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122 srcSubpass: VK_SUBPASS_EXTERNAL,
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sam <sam@basx.dev>
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123 dstSubpass: 0,
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124 srcStageMask: toBits [VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT],
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125 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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126 srcAccessMask: toBits [VK_ACCESS_SHADER_READ_BIT],
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127 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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128 ),
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sam <sam@basx.dev>
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129 VkSubpassDependency(
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130 srcSubpass: 0,
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131 dstSubpass: VK_SUBPASS_EXTERNAL,
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132 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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133 dstStageMask: toBits [VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT],
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134 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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135 dstAccessMask: toBits [VK_ACCESS_SHADER_READ_BIT],
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136 ),
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sam <sam@basx.dev>
parents: 1204
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137 ]
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sam <sam@basx.dev>
parents: 1204
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138 colorAttachment = VkAttachmentReference(
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139 attachment: 0,
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140 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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141 )
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142 depthAttachment = VkAttachmentReference(
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143 attachment: 1,
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sam <sam@basx.dev>
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144 layout: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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sam <sam@basx.dev>
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145 )
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sam <sam@basx.dev>
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146 resolveAttachment = VkAttachmentReference(
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147 attachment: (attachments.len - 1).uint32, # depending on whether depthBuffer is used or not
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sam <sam@basx.dev>
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148 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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sam <sam@basx.dev>
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149 )
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sam <sam@basx.dev>
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150 result[0].vk = svkCreateRenderPass(
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151 attachments = attachments,
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152 colorAttachments = [colorAttachment],
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153 depthAttachments = if depthBuffer: @[depthAttachment] else: @[],
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154 resolveAttachments = if samples > VK_SAMPLE_COUNT_1_BIT: @[resolveAttachment] else: @[],
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155 dependencies = dependencies
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156 )
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157
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sam <sam@basx.dev>
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158 # second renderpass, presentation
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sam <sam@basx.dev>
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159 var
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160 presentAttachments = @[VkAttachmentDescription(
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161 format: SURFACE_FORMAT,
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162 samples: VK_SAMPLE_COUNT_1_BIT,
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sam <sam@basx.dev>
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163 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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164 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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165 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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166 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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167 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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168 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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169 )]
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170 presentDependencies = @[VkSubpassDependency(
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171 srcSubpass: VK_SUBPASS_EXTERNAL,
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172 dstSubpass: 0,
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173 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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174 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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175 srcAccessMask: VkAccessFlags(0),
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176 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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177 )]
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178 presentColorAttachment = VkAttachmentReference(
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179 attachment: 0,
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180 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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181 )
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182
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183 result[1].vk = svkCreateRenderPass(
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184 attachments = presentAttachments,
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185 colorAttachments = [presentColorAttachment],
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186 depthAttachments = [],
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187 resolveAttachments = [],
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188 dependencies = presentDependencies
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189 )
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190
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191 template WithRenderPass*(
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192 theRenderpass: RenderPass,
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193 theFramebuffer: VkFramebuffer,
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194 commandbuffer: VkCommandBuffer,
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sam <sam@basx.dev>
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195 renderWidth: uint32,
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196 renderHeight: uint32,
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sam <sam@basx.dev>
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197 clearColor: Vec4f,
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sam <sam@basx.dev>
parents:
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198 body: untyped
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199 ): untyped =
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200 var
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201 clearColors = [
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202 VkClearValue(color: VkClearColorValue(float32: clearColor)),
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203 VkClearValue(depthStencil: VkClearDepthStencilValue(depth: 1'f32, stencil: 0))
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204 ]
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205 renderPassInfo = VkRenderPassBeginInfo(
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206 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
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207 renderPass: theRenderpass.vk,
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208 framebuffer: theFramebuffer,
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sam <sam@basx.dev>
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209 renderArea: VkRect2D(
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sam <sam@basx.dev>
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210 offset: VkOffset2D(x: 0, y: 0),
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sam <sam@basx.dev>
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211 extent: VkExtent2D(width: renderWidth, height: renderHeight),
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212 ),
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213 clearValueCount: clearColors.len.uint32,
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214 pClearValues: clearColors.ToCPointer(),
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215 )
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sam <sam@basx.dev>
parents:
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216 viewport = VkViewport(
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sam <sam@basx.dev>
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217 x: 0.0,
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218 y: renderHeight.float32,
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219 width: renderWidth.float32,
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220 height: -renderHeight.float32,
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221 minDepth: 0.0,
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222 maxDepth: 1.0,
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sam <sam@basx.dev>
parents:
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223 )
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sam <sam@basx.dev>
parents:
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224 scissor = VkRect2D(
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225 offset: VkOffset2D(x: 0, y: 0),
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sam <sam@basx.dev>
parents:
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226 extent: VkExtent2D(width: renderWidth, height: renderHeight)
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parents:
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227 )
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parents:
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228
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229 vkCmdBeginRenderPass(commandbuffer, addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE)
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230
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sam <sam@basx.dev>
parents:
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231 # setup viewport
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232 vkCmdSetViewport(commandbuffer, firstViewport = 0, viewportCount = 1, addr(viewport))
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233 vkCmdSetScissor(commandbuffer, firstScissor = 0, scissorCount = 1, addr(scissor))
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parents:
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234
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sam <sam@basx.dev>
parents:
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235 block:
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sam <sam@basx.dev>
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236 body
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237
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238 vkCmdEndRenderPass(commandbuffer)