Mercurial > games > semicongine

annotate semiconginev2/rendering/renderpasses.nim @ 1228:4e465583ea32

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did: rename texture to image
author sam <sam@basx.dev>
date Thu, 18 Jul 2024 16:33:24 +0700
parents 56781cc0fc7c
children 5dcb503ef0c0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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04e446a7eb2b add: multipass renderer, finish tets for now
sam <sam@basx.dev>
parents: 1204
diff changeset
1 proc CreateDirectPresentationRenderPass*(samples = VK_SAMPLE_COUNT_1_BIT): VkRenderPass =
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sam <sam@basx.dev>
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diff changeset
2 assert vulkan.instance.Valid, "Vulkan not initialized"
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3
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4 let format = DefaultSurfaceFormat()
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sam <sam@basx.dev>
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5 var attachments = @[VkAttachmentDescription(
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sam <sam@basx.dev>
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6 format: format,
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7 samples: samples,
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sam <sam@basx.dev>
parents:
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8 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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sam <sam@basx.dev>
parents:
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9 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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sam <sam@basx.dev>
parents:
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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 samples != VK_SAMPLE_COUNT_1_BIT:
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sam <sam@basx.dev>
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16 attachments.add VkAttachmentDescription(
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17 format: format,
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sam <sam@basx.dev>
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18 samples: VK_SAMPLE_COUNT_1_BIT,
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sam <sam@basx.dev>
parents:
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19 loadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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sam <sam@basx.dev>
parents:
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20 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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sam <sam@basx.dev>
parents:
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21 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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sam <sam@basx.dev>
parents:
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22 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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sam <sam@basx.dev>
parents:
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23 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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sam <sam@basx.dev>
parents:
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24 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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sam <sam@basx.dev>
parents:
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25 )
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sam <sam@basx.dev>
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26 var
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27 dependencies = @[
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sam <sam@basx.dev>
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28 VkSubpassDependency(
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29 srcSubpass: VK_SUBPASS_EXTERNAL,
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sam <sam@basx.dev>
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30 dstSubpass: 0,
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31 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT],
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sam <sam@basx.dev>
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32 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT],
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33 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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34 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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35 )
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36 ]
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37 colorAttachment = VkAttachmentReference(
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38 attachment: 0,
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39 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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40 )
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41 resolveAttachment = VkAttachmentReference(
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42 attachment: 1,
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43 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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44 )
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45
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46 if samples == VK_SAMPLE_COUNT_1_BIT:
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47 return svkCreateRenderPass(attachments, [colorAttachment], [], dependencies)
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48 else:
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49 return svkCreateRenderPass(attachments, [colorAttachment], [resolveAttachment], dependencies)
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50
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51 proc CreateIndirectPresentationRenderPass*(): (VkRenderPass, VkRenderPass) =
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sam <sam@basx.dev>
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52 assert vulkan.instance.Valid, "Vulkan not initialized"
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53
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54 # first renderpass, drawing
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55 let format = DefaultSurfaceFormat()
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56 var
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57 attachments = @[VkAttachmentDescription(
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58 format: format,
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sam <sam@basx.dev>
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59 samples: VK_SAMPLE_COUNT_1_BIT,
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sam <sam@basx.dev>
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60 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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61 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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62 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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63 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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64 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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65 finalLayout: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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66 )]
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67
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68 dependencies = @[
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69 VkSubpassDependency(
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70 srcSubpass: VK_SUBPASS_EXTERNAL,
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71 dstSubpass: 0,
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72 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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73 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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74 srcAccessMask: VkAccessFlags(0),
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75 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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76 ),
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77 VkSubpassDependency(
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78 srcSubpass: VK_SUBPASS_EXTERNAL,
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79 dstSubpass: 0,
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80 srcStageMask: toBits [VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT],
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81 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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82 srcAccessMask: toBits [VK_ACCESS_SHADER_READ_BIT],
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83 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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84 ),
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85 VkSubpassDependency(
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86 srcSubpass: 0,
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87 dstSubpass: VK_SUBPASS_EXTERNAL,
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88 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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89 dstStageMask: toBits [VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT],
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90 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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91 dstAccessMask: toBits [VK_ACCESS_SHADER_READ_BIT],
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92 ),
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93 ]
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94 colorAttachment = VkAttachmentReference(
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95 attachment: 0,
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96 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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97 )
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98
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99 # second renderpass, presentation
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100 var
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101 presentAttachments = @[VkAttachmentDescription(
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sam <sam@basx.dev>
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102 format: format,
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sam <sam@basx.dev>
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103 samples: VK_SAMPLE_COUNT_1_BIT,
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sam <sam@basx.dev>
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104 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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105 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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106 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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107 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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108 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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109 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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110 )]
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111 presentDependencies = @[VkSubpassDependency(
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112 srcSubpass: VK_SUBPASS_EXTERNAL,
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113 dstSubpass: 0,
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114 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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115 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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116 srcAccessMask: VkAccessFlags(0),
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117 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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118 )]
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119 presentColorAttachment = VkAttachmentReference(
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120 attachment: 0,
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121 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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122 )
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123
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124 result = (
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125 svkCreateRenderPass(attachments, [colorAttachment], [], dependencies),
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126 svkCreateRenderPass(presentAttachments, [presentColorAttachment], [], presentDependencies)
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127 )
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128
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129 template WithRenderPass*(
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130 theRenderpass: VkRenderPass,
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131 theFramebuffer: VkFramebuffer,
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132 commandbuffer: VkCommandBuffer,
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133 renderWidth: uint32,
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134 renderHeight: uint32,
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sam <sam@basx.dev>
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135 clearColor: Vec4f,
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136 body: untyped
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137 ): untyped =
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138 var
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sam <sam@basx.dev>
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139 clearColors = [VkClearValue(color: VkClearColorValue(float32: clearColor))]
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sam <sam@basx.dev>
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140 renderPassInfo = VkRenderPassBeginInfo(
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sam <sam@basx.dev>
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141 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
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sam <sam@basx.dev>
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142 renderPass: theRenderpass,
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143 framebuffer: theFramebuffer,
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144 renderArea: VkRect2D(
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145 offset: VkOffset2D(x: 0, y: 0),
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146 extent: VkExtent2D(width: renderWidth, height: renderHeight),
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147 ),
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148 clearValueCount: uint32(clearColors.len),
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149 pClearValues: clearColors.ToCPointer(),
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150 )
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151 viewport = VkViewport(
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152 x: 0.0,
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153 y: renderHeight.float32,
1199
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154 width: renderWidth.float32,
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155 height: -renderHeight.float32,
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156 minDepth: 0.0,
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157 maxDepth: 1.0,
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158 )
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159 scissor = VkRect2D(
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160 offset: VkOffset2D(x: 0, y: 0),
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161 extent: VkExtent2D(width: renderWidth, height: renderHeight)
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162 )
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163
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164 vkCmdBeginRenderPass(commandbuffer, addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE)
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165
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166 # setup viewport
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167 vkCmdSetViewport(commandbuffer, firstViewport = 0, viewportCount = 1, addr(viewport))
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168 vkCmdSetScissor(commandbuffer, firstScissor = 0, scissorCount = 1, addr(scissor))
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169
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170 block:
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171 body
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172
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173 vkCmdEndRenderPass(commandbuffer)