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baldurk
84 lines
4.0 KiB
Python
84 lines
4.0 KiB
Python
import renderdoc as rd
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import rdtest
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class VK_Spec_Constants(rdtest.TestCase):
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demos_test_name = 'VK_Spec_Constants'
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def check_capture(self):
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# find the first draw
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draw = self.find_draw("Draw")
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# We should have 4 draws, with spec constant values 0, 1, 2, 3
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for num_colors in range(4):
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self.check(draw is not None)
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self.controller.SetFrameEvent(draw.eventId, False)
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pipe: rd.PipeState = self.controller.GetPipelineState()
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shader: rd.ShaderReflection = pipe.GetShaderReflection(rd.ShaderStage.Pixel)
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# uniform buffer and spec constants
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self.check(len(shader.constantBlocks) == 2)
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self.check(shader.constantBlocks[0].bufferBacked)
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self.check(not shader.constantBlocks[1].bufferBacked)
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self.check(len(shader.constantBlocks[1].variables) == 1)
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# should be an array of num_colors+1 elements
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array_len = shader.constantBlocks[0].variables[0].type.descriptor.elements
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if not rdtest.value_compare(array_len, num_colors+1):
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raise rdtest.TestFailureException("CBuffer variable is array of {}, not {}".format(array_len, num_colors+1))
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if num_colors > 0:
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cbuf: rd.BoundCBuffer = pipe.GetConstantBuffer(rd.ShaderStage.Pixel, 0, 0)
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cb_vars = self.controller.GetCBufferVariableContents(pipe.GetGraphicsPipelineObject(),
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pipe.GetShader(rd.ShaderStage.Pixel),
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pipe.GetShaderEntryPoint(rd.ShaderStage.Pixel), 0,
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cbuf.resourceId, cbuf.byteOffset, cbuf.byteSize)
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self.check(len(cb_vars) == 1)
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if not rdtest.value_compare(len(cb_vars[0].members), num_colors+1):
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raise rdtest.TestFailureException("CBuffer variable is array of {}, not {}".format(len(cb_vars[0].members), num_colors+1))
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for col in range(num_colors):
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expected = [0.0, 0.0, 0.0, 0.0]
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expected[col] = 1.0
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val = [i for i in cb_vars[0].members[col].value.fv[0:4]]
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if not rdtest.value_compare(val, expected):
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raise rdtest.TestFailureException("Cbuffer[{}] value {} doesn't match expectation {}".format(col, val, expected))
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rdtest.log.success("Draw with {} colors uniform buffer is as expected".format(num_colors))
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cbuf: rd.BoundCBuffer = pipe.GetConstantBuffer(rd.ShaderStage.Pixel, 1, 0)
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cb_vars = self.controller.GetCBufferVariableContents(pipe.GetGraphicsPipelineObject(),
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pipe.GetShader(rd.ShaderStage.Pixel),
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pipe.GetShaderEntryPoint(rd.ShaderStage.Pixel), 1,
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cbuf.resourceId, cbuf.byteOffset, cbuf.byteSize)
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self.check(len(cb_vars) == 1)
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if not rdtest.value_compare(cb_vars[0].value.i.x, num_colors):
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raise rdtest.TestFailureException("Spec constant is {}, not {}".format(cb_vars[0].value.i.x, num_colors))
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rdtest.log.success("Draw with {} colors specialisation constant is as expected".format(num_colors))
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view = pipe.GetViewport(0)
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# the first num_colors components should be 0.6, the rest should be 0.1 (alpha is always 1.0)
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expected = [0.0, 0.0, 0.0, 1.0]
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for col in range(num_colors):
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expected[col] += 1.0
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# Sample the centre of the viewport
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self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, int(view.x) + int(view.width / 2), int(view.height / 2), expected)
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rdtest.log.success("Draw with {} colors picked value is as expected".format(num_colors))
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draw = draw.next
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