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ac/nir,radv,radeonsi/nir: use correct indices for interpolation intrinsics

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Fixes artifacts in World of Warcraft when Multi-sample Alpha-Test is
enabled with DXVK.
It also fixes artifacts with Fallout 4's god rays with DXVK.
Various piglit interpolateAt*() tests under NIR are also fixed.

v2: formatting fix
    update commit message to include Fallout 4 and the Fixes tag

Fixes: f4e499ec79 ('radv: add initial non-conformant radv vulkan driver')
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106595
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
This commit is contained in:
Rhys Perry
2019-01-09 11:09:33 +00:00
parent b8c4f523b4
commit ee8488ea3b
4 changed files with 9 additions and 1 deletions
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src/amd/vulkan/radv_nir_to_llvm.c
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@@ -2239,6 +2239,8 @@ handle_fs_inputs(struct radv_shader_context *ctx,
if (LLVMIsUndef(interp_param))
ctx->shader_info->fs.flat_shaded_mask |= 1u << index;
if (i >= VARYING_SLOT_VAR0)
ctx->abi.fs_input_attr_indices[i - VARYING_SLOT_VAR0] = index;
++index;
} else if (i == VARYING_SLOT_CLIP_DIST0) {
int length = ctx->shader_info->info.ps.num_input_clips_culls;