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import copy
import rdtest
import renderdoc as rd
from typing import Tuple
class GL_Shader_Editing(rdtest.TestCase):
demos_test_name = 'GL_Shader_Editing'
def check_capture(self):
eid = self.find_draw("fixedprog").eventId
self.controller.SetFrameEvent(eid, False)
pipe: rd.PipeState = self.controller.GetPipelineState()
fixedrefl: rd.ShaderReflection = pipe.GetShaderReflection(rd.ShaderStage.Fragment)
eid = self.find_draw("dynamicprog").eventId
self.controller.SetFrameEvent(eid, False)
pipe: rd.PipeState = self.controller.GetPipelineState()
dynamicrefl: rd.ShaderReflection = pipe.GetShaderReflection(rd.ShaderStage.Fragment)
vsrefl: rd.ShaderReflection = pipe.GetShaderReflection(rd.ShaderStage.Vertex)
eid = self.find_draw("sepprog").eventId
self.controller.SetFrameEvent(eid, False)
vsseprefl: rd.ShaderReflection = pipe.GetShaderReflection(rd.ShaderStage.Vertex)
fsseprefl: rd.ShaderReflection = pipe.GetShaderReflection(rd.ShaderStage.Fragment)
# Work at the last draw, where the uniforms have been trashed
self.controller.SetFrameEvent(self.get_last_draw().eventId, False)
tex: rd.ResourceId = pipe.GetOutputTargets()[0].resourceId
# On upper row: Left triangle is fully green, right triangle is half-green
# On lower row: Left triangle is fully green
self.check_pixel_value(tex, 0.25, 0.25, [0.0, 1.0, 0.0, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.0, 0.5, 0.0, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.0, 1.0, 0.0, 1.0])
rdtest.log.success("Values are as expected initially")
source: bytes = fixedrefl.rawBytes.replace(b'.rgba', b'.rgga').replace(b'location = 9', b'location = 10')
newShader: Tuple[rd.ResourceId, str] = self.controller.BuildTargetShader(fixedrefl.entryPoint,
fixedrefl.encoding, source,
rd.ShaderCompileFlags(),
rd.ShaderStage.Fragment)
if len(newShader[1]) != 0:
raise rdtest.TestFailureException("Failed to compile edited shader: {}".format(newShader[1]))
fixedFS = newShader[0]
source: bytes = dynamicrefl.rawBytes.replace(b'.rgba', b'.rgga').replace(b'#if 1', b'#if 0')
newShader: Tuple[rd.ResourceId, str] = self.controller.BuildTargetShader(dynamicrefl.entryPoint,
dynamicrefl.encoding, source,
rd.ShaderCompileFlags(),
rd.ShaderStage.Fragment)
if len(newShader[1]) != 0:
raise rdtest.TestFailureException("Failed to compile edited shader: {}".format(newShader[1]))
dynamicFS = newShader[0]
source: bytes = vsrefl.rawBytes.replace(b'Position.xyz', b'Position.xyz+vec3(1.0)')
newShader: Tuple[rd.ResourceId, str] = self.controller.BuildTargetShader(vsrefl.entryPoint,
vsrefl.encoding, source,
rd.ShaderCompileFlags(),
rd.ShaderStage.Vertex)
if len(newShader[1]) != 0:
raise rdtest.TestFailureException("Failed to compile edited shader: {}".format(newShader[1]))
offsetVS = newShader[0]
source: bytes = vsrefl.rawBytes
newShader: Tuple[rd.ResourceId, str] = self.controller.BuildTargetShader(vsrefl.entryPoint,
vsrefl.encoding, source,
rd.ShaderCompileFlags(),
rd.ShaderStage.Vertex)
if len(newShader[1]) != 0:
raise rdtest.TestFailureException("Failed to compile edited shader: {}".format(newShader[1]))
nochangeVS = newShader[0]
source: bytes = vsseprefl.rawBytes.replace(b'Position.xyz', b'Position.xyz+vec3(1.0)')
newShader: Tuple[rd.ResourceId, str] = self.controller.BuildTargetShader(vsseprefl.entryPoint,
vsseprefl.encoding, source,
rd.ShaderCompileFlags(),
rd.ShaderStage.Vertex)
if len(newShader[1]) != 0:
raise rdtest.TestFailureException("Failed to compile edited shader: {}".format(newShader[1]))
sepVS = newShader[0]
source: bytes = fsseprefl.rawBytes.replace(b'.rgba', b'.rgga')
newShader: Tuple[rd.ResourceId, str] = self.controller.BuildTargetShader(fsseprefl.entryPoint,
fsseprefl.encoding, source,
rd.ShaderCompileFlags(),
rd.ShaderStage.Fragment)
if len(newShader[1]) != 0:
raise rdtest.TestFailureException("Failed to compile edited shader: {}".format(newShader[1]))
sepFS = newShader[0]
# Edit both fragment shaders
self.controller.ReplaceResource(fixedrefl.resourceId, fixedFS)
self.controller.ReplaceResource(dynamicrefl.resourceId, dynamicFS)
# Refresh the replay if it didn't happen already
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Triangles have green propagated across to the blue channel
self.check_pixel_value(tex, 0.25, 0.25, [0.0, 1.0, 1.0, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.0, 0.5, 0.5, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.0, 1.0, 1.0, 1.0])
rdtest.log.success("Values are as expected after fragment editing")
# Now "edit" the VS but don't change it. We should still get the same values
self.controller.ReplaceResource(vsrefl.resourceId, nochangeVS)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Triangles have green propagated across to the blue channel
self.check_pixel_value(tex, 0.25, 0.25, [0.0, 1.0, 1.0, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.0, 0.5, 0.5, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.0, 1.0, 1.0, 1.0])
rdtest.log.success("Values are as expected after no-op vertex editing")
# Change the VS to one that has offset the triangles off-centre
self.controller.ReplaceResource(vsrefl.resourceId, offsetVS)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Original sample positions are now the clear color
self.check_pixel_value(tex, 0.25, 0.25, [0.2, 0.2, 0.2, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.2, 0.2, 0.2, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.2, 0.2, 0.2, 1.0])
# The triangles are still the same colour but up and to the right
self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 1.0, 1.0])
self.check_pixel_value(tex, 0.95, 0.05, [0.0, 0.5, 0.5, 1.0])
self.check_pixel_value(tex, 0.45, 0.55, [0.0, 1.0, 1.0, 1.0])
rdtest.log.success("Values are as expected after offset vertex editing")
# Now undo the first FS edit
self.controller.RemoveReplacement(fixedrefl.resourceId)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Original sample positions are still the clear color
self.check_pixel_value(tex, 0.25, 0.25, [0.2, 0.2, 0.2, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.2, 0.2, 0.2, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.2, 0.2, 0.2, 1.0])
# The lower triangle is the edited colour, the other two have reverted to green channel only
self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 0.0, 1.0])
self.check_pixel_value(tex, 0.95, 0.05, [0.0, 0.5, 0.0, 1.0])
self.check_pixel_value(tex, 0.45, 0.55, [0.0, 1.0, 1.0, 1.0])
rdtest.log.success("Values are as expected after removing first fragment edit")
# Now undo the first VS edit
self.controller.RemoveReplacement(vsrefl.resourceId)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Only the lower triangle is the edited colour, but they are back in the original positions
self.check_pixel_value(tex, 0.25, 0.25, [0.0, 1.0, 0.0, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.0, 0.5, 0.0, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.0, 1.0, 1.0, 1.0])
rdtest.log.success("Values are as expected after removing vertex edit")
# finally undo the second FS edit
self.controller.RemoveReplacement(dynamicrefl.resourceId)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# We should be back to where we started
self.check_pixel_value(tex, 0.25, 0.25, [0.0, 1.0, 0.0, 1.0])
self.check_pixel_value(tex, 0.75, 0.25, [0.0, 0.5, 0.0, 1.0])
self.check_pixel_value(tex, 0.25, 0.75, [0.0, 1.0, 0.0, 1.0])
rdtest.log.success("Values are as expected after removing all edits")
rdtest.log.success("Linked program editing succeeded")
# Check that we can edit separable shaders
# Only looking at bottom left triangle, it should be green
self.check_pixel_value(tex, 0.75, 0.75, [0.0, 1.0, 0.0, 1.0])
self.controller.ReplaceResource(fsseprefl.resourceId, sepFS)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Now it should be green-blue
self.check_pixel_value(tex, 0.75, 0.75, [0.0, 1.0, 1.0, 1.0])
self.controller.ReplaceResource(vsseprefl.resourceId, sepVS)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Now it should be green-blue and offset
self.check_pixel_value(tex, 0.75, 0.75, [0.2, 0.2, 0.2, 1.0])
self.check_pixel_value(tex, 0.95, 0.55, [0.0, 1.0, 1.0, 1.0])
self.controller.RemoveReplacement(fsseprefl.resourceId)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# Now it should be back to green and offset
self.check_pixel_value(tex, 0.75, 0.75, [0.2, 0.2, 0.2, 1.0])
self.check_pixel_value(tex, 0.95, 0.55, [0.0, 1.0, 0.0, 1.0])
self.controller.RemoveReplacement(vsseprefl.resourceId)
self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
# We should be back to where we started
self.check_pixel_value(tex, 0.75, 0.75, [0.0, 1.0, 0.0, 1.0])
rdtest.log.success("Separable program editing succeeded")
self.controller.FreeTargetResource(nochangeVS)
self.controller.FreeTargetResource(offsetVS)
self.controller.FreeTargetResource(fixedFS)
self.controller.FreeTargetResource(dynamicFS)
self.controller.FreeTargetResource(sepVS)
self.controller.FreeTargetResource(sepFS)
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