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Extend Vk Pixel History tests

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Check the post mod stencil at pixel location 110,100
Check the post mod stencil is unknown at pixel location 275, 260 for fragment zero of a multi-fragment event

Validate that in a fragment event the postMod stencil value should be unknown (-1 or -2)
This commit is contained in:
Jake Turner
2023-12-29 19:25:04 +00:00
parent 4815adaa83
commit baa5999582
2 changed files with 28 additions and 2 deletions
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util/test/demos/vk/vk_pixel_history.cpp
+4
View File
@@ -391,8 +391,12 @@ void main()
VkPipeline backgroundPipe = createGraphicsPipeline(pipeCreateInfo);
pipeCreateInfo.stages = {vertexShader};
pipeCreateInfo.depthStencilState.stencilTestEnable = VK_TRUE;
pipeCreateInfo.depthStencilState.front.reference = 0x33;
VkPipeline noFsPipe = createGraphicsPipeline(pipeCreateInfo);
pipeCreateInfo.stages = {vertexShader, fragmentShader};
pipeCreateInfo.depthStencilState.stencilTestEnable = VK_FALSE;
pipeCreateInfo.depthStencilState.front.reference = 0x55;
pipeCreateInfo.depthStencilState.stencilTestEnable = VK_TRUE;
pipeCreateInfo.depthStencilState.front.compareOp = VK_COMPARE_OP_GREATER;
util/test/tests/Vulkan/VK_Pixel_History.py
+24 -2
View File
@@ -16,9 +16,11 @@ def shader_out_col(x): return value_selector(x.shaderOut.col)
def shader_out_depth(x): return x.shaderOut.depth
def pre_mod_col(x): return value_selector(x.preMod.col)
def post_mod_col(x): return value_selector(x.postMod.col)
def shader_out_depth(x): return x.shaderOut.depth
def pre_mod_depth(x): return x.preMod.depth
def post_mod_depth(x): return x.postMod.depth
def post_mod_stencil(x): return x.postMod.stencil
def unknown_post_mod_stencil(x): return x.postMod.stencil == -1 or x.postMod.stencil == -2
def unknown_stencil(x): return x == -1 or x == -2
def primitive_id(x): return x.primitiveID
def unboundPS(x): return x.unboundPS
@@ -74,6 +76,18 @@ class VK_Pixel_History(rdtest.TestCase):
depth_bounds_prep_eid = self.find_action("Depth Bounds Prep").next.eventId
depth_bounds_clip_eid = self.find_action("Depth Bounds Clip").next.eventId
# For pixel 110, 100, inside the red triangle with stencil value 0x55
x, y = 110, 100
rdtest.log.print("Testing pixel {}, {}".format(x, y))
modifs: List[rd.PixelModification] = self.controller.PixelHistory(tex, x, y, sub, rt.typeCast)
events = [
[[event_id, begin_renderpass_eid], [passed, True]],
[[event_id, unbound_fs_eid], [passed, True], [unboundPS, True], [primitive_id, 0], [post_mod_stencil, 0x33]],
[[event_id, stencil_write_eid], [passed, True], [primitive_id, 0], [post_mod_stencil, 0x55]],
]
self.check_events(events, modifs, False)
self.check_pixel_value(tex, x, y, value_selector(modifs[-1].postMod.col), sub=sub, cast=rt.typeCast)
# For pixel 190, 149 inside the red triangle
x, y = 190, 149
rdtest.log.print("Testing pixel {}, {}".format(x, y))
@@ -206,7 +220,7 @@ class VK_Pixel_History(rdtest.TestCase):
[[event_id, background_eid], [passed, True]],
[[event_id, depth_test_eid], [primitive_id, 0], [depth_test_failed, True],
[shader_out_col, (1.0, 1.0, 1.0, 2.75)], [shader_out_depth, 0.97], [post_mod_col, (1.0, 0.0, 1.0, 1.0)],
[post_mod_depth, 0.95]],
[post_mod_depth, 0.95], [unknown_post_mod_stencil, True]],
[[event_id, depth_test_eid], [primitive_id, 1], [depth_test_failed, False],
[shader_out_col, (1.0, 1.0, 0.0, 2.75)], [shader_out_depth, 0.20], [post_mod_col, (1.0, 1.0, 0.0, 1.0)],
[post_mod_depth, 0.20]],
@@ -402,6 +416,14 @@ class VK_Pixel_History(rdtest.TestCase):
a = value_selector(modifs[i].postMod.col)
b = value_selector(modifs[i + 1].preMod.col)
# A fragment event : postMod.stencil should be unknown
if modifs[i].eventId == modifs[i+1].eventId:
if not unknown_stencil(modifs[i].postMod.stencil):
raise rdtest.TestFailureException(
"postmod stencil at {} primitive {}: {} is not unknown".format(modifs[i].eventId,
modifs[i].primitiveID,
modifs[i].postMod.stencil))
if self.is_depth:
a = (modifs[i].postMod.depth, modifs[i].postMod.stencil)
b = (modifs[i + 1].preMod.depth, modifs[i + 1].preMod.stencil)