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dzn: Set MultisampleEnable to enable MSAA lines

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20614>
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Jesse Natalie 2023-01-06 14:45:34 -08:00 • committed by Marge Bot
parent ca20577622
commit 9f928adf81
1 changed files with 11 additions and 0 deletions
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11
src/microsoft/vulkan/dzn_pipeline.c
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@ -1171,6 +1171,8 @@ dzn_graphics_pipeline_translate_rast(struct dzn_graphics_pipeline *pipeline,
in->pRasterizationState;
const VkPipelineViewportStateCreateInfo *in_vp =
in_rast->rasterizerDiscardEnable ? NULL : in->pViewportState;
const VkPipelineMultisampleStateCreateInfo *in_ms =
in_rast->rasterizerDiscardEnable ? NULL : in->pMultisampleState;
if (in_vp) {
pipeline->vp.count = in_vp->viewportCount;
@ -1200,6 +1202,15 @@ dzn_graphics_pipeline_translate_rast(struct dzn_graphics_pipeline *pipeline,
desc->DepthBiasClamp = in_rast->depthBiasClamp;
}
/* The Vulkan conformance tests use different reference rasterizers for single-sampled
* and multi-sampled lines. The single-sampled lines can be bresenham lines, but multi-
* sampled need to be quadrilateral lines. This still isn't *quite* sufficient, because
* D3D only supports a line width of 1.4 (per spec), but Vulkan requires us to support
* 1.0 (and without claiming wide lines, that's all we can support).
*/
if (in_ms && in_ms->rasterizationSamples > 1)
desc->MultisampleEnable = true;
assert(in_rast->lineWidth == 1.0f);
}