Mercurial > games > semicongine

annotate semiconginev2/old/vulkan/renderpass.nim.orig @ 1222:3c3d4d7a8ecd compiletime-tests

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did: cleanup config file
author sam <sam@basx.dev>
date Wed, 17 Jul 2024 21:08:15 +0700
parents 56781cc0fc7c
children
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1190
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1 import ../core
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2 import ./framebuffer
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3
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4 proc CreateRenderPass*(
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5 device: VkDevice,
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6 format: VkFormat,
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7 ): VkRenderPass =
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8
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9 var
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10 attachments = @[VkAttachmentDescription(
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11 format: format,
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12 samples: VK_SAMPLE_COUNT_1_BIT,
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13 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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14 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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15 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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16 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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17 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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18 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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19 )]
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20 # dependencies seems to be optional, TODO: benchmark difference
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21 dependencies = @[VkSubpassDependency(
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22 srcSubpass: VK_SUBPASS_EXTERNAL,
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23 dstSubpass: 0,
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24 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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25 srcAccessMask: VkAccessFlags(0),
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26 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT],
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27 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT],
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28 )]
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29 outputs = @[
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30 VkAttachmentReference(
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31 attachment: 0,
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32 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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33 )
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34 ]
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35
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36 var subpassesList = [
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37 VkSubpassDescription(
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38 flags: VkSubpassDescriptionFlags(0),
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39 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS,
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40 inputAttachmentCount: 0,
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41 pInputAttachments: nil,
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42 colorAttachmentCount: uint32(outputs.len),
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43 pColorAttachments: outputs.ToCPointer,
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44 pResolveAttachments: nil,
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45 pDepthStencilAttachment: nil,
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46 preserveAttachmentCount: 0,
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47 pPreserveAttachments: nil,
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48 )
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49 ]
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50
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51 var createInfo = VkRenderPassCreateInfo(
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52 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
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53 attachmentCount: uint32(attachments.len),
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54 pAttachments: attachments.ToCPointer,
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55 subpassCount: uint32(subpassesList.len),
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56 pSubpasses: subpassesList.ToCPointer,
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57 dependencyCount: uint32(dependencies.len),
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58 pDependencies: dependencies.ToCPointer,
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59 )
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60 checkVkResult device.vkCreateRenderPass(addr(createInfo), nil, addr(result))
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61
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62 proc BeginRenderCommands*(commandBuffer: VkCommandBuffer, renderpass: VkRenderPass, framebuffer: Framebuffer, oneTimeSubmit: bool, clearColor: Vec4f) =
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63 assert commandBuffer.Valid
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64 assert framebuffer.vk.Valid
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65 let
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66 w = framebuffer.dimension.x
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67 h = framebuffer.dimension.y
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68
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69 var clearColors = [VkClearValue(color: VkClearColorValue(float32: clearColor))]
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70 var
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71 beginInfo = VkCommandBufferBeginInfo(
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72 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
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73 pInheritanceInfo: nil,
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74 flags: if oneTimeSubmit: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT) else: VkCommandBufferUsageFlags(0),
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75 )
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76 renderPassInfo = VkRenderPassBeginInfo(
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77 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
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78 renderPass: renderpass,
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79 framebuffer: framebuffer.vk,
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80 renderArea: VkRect2D(
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81 offset: VkOffset2D(x: 0, y: 0),
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82 extent: VkExtent2D(width: w, height: h),
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83 ),
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84 clearValueCount: uint32(clearColors.len),
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85 pClearValues: clearColors.ToCPointer(),
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86 )
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87 viewport = VkViewport(
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88 x: 0.0,
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89 y: 0.0,
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90 width: (float)w,
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91 height: (float)h,
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92 minDepth: 0.0,
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93 maxDepth: 1.0,
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94 )
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95 scissor = VkRect2D(
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96 offset: VkOffset2D(x: 0, y: 0),
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97 extent: VkExtent2D(width: w, height: h)
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98 )
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99 checkVkResult commandBuffer.vkResetCommandBuffer(VkCommandBufferResetFlags(0))
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100 checkVkResult commandBuffer.vkBeginCommandBuffer(addr(beginInfo))
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101 commandBuffer.vkCmdBeginRenderPass(addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE)
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102 commandBuffer.vkCmdSetViewport(firstViewport = 0, viewportCount = 1, addr(viewport))
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103 commandBuffer.vkCmdSetScissor(firstScissor = 0, scissorCount = 1, addr(scissor))
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104
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105 proc EndRenderCommands*(commandBuffer: VkCommandBuffer) =
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106 commandBuffer.vkCmdEndRenderPass()
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107 checkVkResult commandBuffer.vkEndCommandBuffer()