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radv: Implement VK_EXT_discard_rectangles.

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Tested with a modified deferred demo and no regressions in a 1.0.2
mustpass run.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen
2018-01-10 02:41:30 +01:00
parent 11b9cdd2d7
commit 5db0bf9994
5 changed files with 110 additions and 6 deletions
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35
src/amd/vulkan/radv_pipeline.c
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@@ -1006,6 +1006,8 @@ static unsigned radv_dynamic_state_mask(VkDynamicState state)
return RADV_DYNAMIC_STENCIL_WRITE_MASK;
case VK_DYNAMIC_STATE_STENCIL_REFERENCE:
return RADV_DYNAMIC_STENCIL_REFERENCE;
case VK_DYNAMIC_STATE_DISCARD_RECTANGLE_EXT:
return RADV_DYNAMIC_DISCARD_RECTANGLE;
default:
unreachable("Unhandled dynamic state");
}
@@ -1133,6 +1135,39 @@ radv_pipeline_init_dynamic_state(struct radv_pipeline *pipeline,
}
}
const VkPipelineDiscardRectangleStateCreateInfoEXT *discard_rectangle_info =
vk_find_struct_const(pCreateInfo->pNext, PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT);
if (discard_rectangle_info) {
dynamic->discard_rectangle.count = discard_rectangle_info->discardRectangleCount;
typed_memcpy(dynamic->discard_rectangle.rectangles,
discard_rectangle_info->pDiscardRectangles,
discard_rectangle_info->discardRectangleCount);
unsigned mask = 0;
for (unsigned i = 0; i < (1u << MAX_DISCARD_RECTANGLES); ++i) {
/* Interpret i as a bitmask, and then set the bit in the mask if
* that combination of rectangles in which the pixel is contained
* should pass the cliprect test. */
unsigned relevant_subset = i & ((1u << discard_rectangle_info->discardRectangleCount) - 1);
if (discard_rectangle_info->discardRectangleMode == VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT &&
!relevant_subset)
continue;
if (discard_rectangle_info->discardRectangleMode == VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT &&
relevant_subset)
continue;
mask |= 1u << i;
}
pipeline->graphics.pa_sc_cliprect_rule = mask;
} else {
states &= ~RADV_DYNAMIC_DISCARD_RECTANGLE;
/* Allow from all rectangle combinations */
pipeline->graphics.pa_sc_cliprect_rule = 0xffff;
}
pipeline->dynamic_state.mask = states;
}