Mercurial > games > semicongine

annotate semiconginev2/old/vulkan/renderpass.nim @ 1221:000befd9479f compiletime-tests

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did: remove support for git, for now
author sam <sam@basx.dev>
date Wed, 17 Jul 2024 21:05:47 +0700
parents 56781cc0fc7c
children
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1 import ../core
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2 import ../material
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3 import ./device
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4 import ./physicaldevice
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5 import ./pipeline
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6 import ./shader
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7 import ./framebuffer
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8
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9 type
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10 RenderPass* = object
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11 vk*: VkRenderPass
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12 device*: Device
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13 shaderPipelines*: seq[(MaterialType, ShaderPipeline)]
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14 clearColor*: Vec4f
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15
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16 proc CreateRenderPass*(
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17 device: Device,
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18 shaders: openArray[(MaterialType, ShaderConfiguration)],
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19 clearColor = Vec4f([0.8'f32, 0.8'f32, 0.8'f32, 1'f32]),
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20 backFaceCulling = true,
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21 inFlightFrames = 2,
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22 samples = VK_SAMPLE_COUNT_1_BIT
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23 ): RenderPass =
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24 assert device.vk.Valid
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25
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26 # some asserts
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27 for (materialtype, shaderconfig) in shaders:
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28 shaderconfig.AssertCanRender(materialtype)
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29
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30 var attachments = @[
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31 VkAttachmentDescription(
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32 format: device.physicalDevice.GetSurfaceFormats().FilterSurfaceFormat().format,
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33 samples: samples,
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34 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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35 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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36 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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37 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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38 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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39 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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40 ),
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41 ]
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42
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43 if samples != VK_SAMPLE_COUNT_1_BIT:
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44 attachments.add VkAttachmentDescription(
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45 format: device.physicalDevice.GetSurfaceFormats().FilterSurfaceFormat().format,
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46 samples: VK_SAMPLE_COUNT_1_BIT,
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47 loadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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48 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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49 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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50 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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51 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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52 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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53 )
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54
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55 var
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56 # dependencies seems to be optional, TODO: benchmark difference
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57 dependencies = @[VkSubpassDependency(
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58 srcSubpass: VK_SUBPASS_EXTERNAL,
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59 dstSubpass: 0,
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60 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT],
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61 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT],
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62 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT],
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63 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT],
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64 )]
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65 colorAttachment = VkAttachmentReference(
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66 attachment: 0,
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67 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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68 )
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69 resolveAttachment = VkAttachmentReference(
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70 attachment: 1,
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71 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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72 )
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73
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74 var subpass = VkSubpassDescription(
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75 flags: VkSubpassDescriptionFlags(0),
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76 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS,
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77 inputAttachmentCount: 0,
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78 pInputAttachments: nil,
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79 colorAttachmentCount: 1,
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80 pColorAttachments: addr(colorAttachment),
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81 pResolveAttachments: if samples == VK_SAMPLE_COUNT_1_BIT: nil else: addr(resolveAttachment),
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82 pDepthStencilAttachment: nil,
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83 preserveAttachmentCount: 0,
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84 pPreserveAttachments: nil,
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85 )
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86
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87 var createInfo = VkRenderPassCreateInfo(
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88 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
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89 attachmentCount: uint32(attachments.len),
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90 pAttachments: attachments.ToCPointer,
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91 subpassCount: 1,
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92 pSubpasses: addr(subpass),
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93 dependencyCount: uint32(dependencies.len),
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94 pDependencies: dependencies.ToCPointer,
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95 )
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96 result.device = device
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97 result.clearColor = clearColor
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98 checkVkResult device.vk.vkCreateRenderPass(addr(createInfo), nil, addr(result.vk))
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99
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100 for (_, shaderconfig) in shaders:
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101 assert shaderconfig.outputs.len == 1
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102 for (materialtype, shaderconfig) in shaders:
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103 result.shaderPipelines.add (materialtype, device.CreatePipeline(result.vk, shaderconfig, inFlightFrames, 0, backFaceCulling = backFaceCulling, samples = samples))
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104
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105 proc BeginRenderCommands*(commandBuffer: VkCommandBuffer, renderpass: RenderPass, framebuffer: Framebuffer, oneTimeSubmit: bool) =
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106 assert commandBuffer.Valid
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107 assert renderpass.vk.Valid
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108 assert framebuffer.vk.Valid
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109 let
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110 w = framebuffer.dimension.x
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111 h = framebuffer.dimension.y
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112
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113 var clearColors = [VkClearValue(color: VkClearColorValue(float32: renderpass.clearColor))]
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114 var
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115 beginInfo = VkCommandBufferBeginInfo(
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116 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
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117 pInheritanceInfo: nil,
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118 flags: if oneTimeSubmit: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT) else: VkCommandBufferUsageFlags(0),
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119 )
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120 renderPassInfo = VkRenderPassBeginInfo(
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121 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
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122 renderPass: renderPass.vk,
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123 framebuffer: framebuffer.vk,
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124 renderArea: VkRect2D(
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125 offset: VkOffset2D(x: 0, y: 0),
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126 extent: VkExtent2D(width: w, height: h),
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127 ),
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128 clearValueCount: uint32(clearColors.len),
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129 pClearValues: clearColors.ToCPointer(),
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130 )
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131 viewport = VkViewport(
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132 x: 0.0,
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133 y: 0.0,
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134 width: (float)w,
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135 height: (float)h,
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136 minDepth: 0.0,
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137 maxDepth: 1.0,
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138 )
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139 scissor = VkRect2D(
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140 offset: VkOffset2D(x: 0, y: 0),
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141 extent: VkExtent2D(width: w, height: h)
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142 )
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143 checkVkResult commandBuffer.vkResetCommandBuffer(VkCommandBufferResetFlags(0))
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144 checkVkResult commandBuffer.vkBeginCommandBuffer(addr(beginInfo))
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145 commandBuffer.vkCmdBeginRenderPass(addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE)
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146 commandBuffer.vkCmdSetViewport(firstViewport = 0, viewportCount = 1, addr(viewport))
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147 commandBuffer.vkCmdSetScissor(firstScissor = 0, scissorCount = 1, addr(scissor))
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148
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149 proc EndRenderCommands*(commandBuffer: VkCommandBuffer) =
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150 commandBuffer.vkCmdEndRenderPass()
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151 checkVkResult commandBuffer.vkEndCommandBuffer()
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152
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153
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154 proc Destroy*(renderPass: var RenderPass) =
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155 assert renderPass.device.vk.Valid
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156 assert renderPass.vk.Valid
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157 renderPass.device.vk.vkDestroyRenderPass(renderPass.vk, nil)
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158 renderPass.vk.Reset
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159 for _, pipeline in renderPass.shaderPipelines.mitems:
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160 pipeline.Destroy()