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1203
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1 import std/options
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2 import ../semicongine
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3
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4 var
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5 mainRenderpass: VkRenderPass
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6 swapchain: Swapchain
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7
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8 proc test_01_gl_triangle() =
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9 var renderdata = InitRenderData()
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10
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11 type
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12 TrianglShader = object
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13 position {.VertexAttribute.}: Vec3f
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14 color {.VertexAttribute.}: Vec3f
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15 fragmentColor {.Pass.}: Vec3f
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16 outColor {.ShaderOutput.}: Vec4f
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17 # code
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18 vertexCode: string = """void main() {
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19 fragmentColor = color;
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20 gl_Position = vec4(position, 1);}"""
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21 fragmentCode: string = """void main() {
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22 outColor = vec4(fragmentColor, 1);}"""
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23 TriangleMesh = object
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24 position: GPUArray[Vec3f, VertexBuffer]
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25 color: GPUArray[Vec3f, VertexBuffer]
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26 Empty = object
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27 var mesh = TriangleMesh(
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28 position: asGPUArray([NewVec3f(-0.5, -0.5), NewVec3f(-0.5, 0.5), NewVec3f(0.5, -0.5)], VertexBuffer),
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29 color: asGPUArray([NewVec3f(0, 0, 1), NewVec3f(0, 1, 0), NewVec3f(1, 0, 0)], VertexBuffer),
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30 )
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31
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32 var
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33 pipeline = CreatePipeline[TrianglShader](renderPass = mainRenderpass)
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34 a, b: Empty
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35
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36 while UpdateInputs():
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37 WithNextFrame(swapchain, framebuffer, commandbuffer):
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38 WithRenderPass(mainRenderpass, framebuffer, commandbuffer, swapchain.width, swapchain.height, NewVec4f(0, 0, 0, 0)):
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39 WithPipeline(commandbuffer, pipeline):
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40 # WithBind(commandBuffer, a, b, pipeline, swapchain.currentFiF.int):
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41 Render(
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42 commandbuffer = commandbuffer,
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43 pipeline = pipeline,
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44 globalSet = a,
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45 materialSet = b,
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46 mesh = mesh,
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47 )
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48
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49 # cleanup
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50 DestroyPipeline(pipeline)
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51 DestroyRenderData(renderdata)
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52
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53
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54 when isMainModule:
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55 mainRenderpass = CreatePresentationRenderPass()
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56 swapchain = InitSwapchain(renderpass = mainRenderpass).get()
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57
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58 test_01_gl_triangle()
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59
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60 checkVkResult vkDeviceWaitIdle(vulkan.device)
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61 vkDestroyRenderPass(vulkan.device, mainRenderpass, nil)
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62 DestroySwapchain(swapchain)
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63 DestroyVulkan()
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