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radv: implement VK_KHR_fragment_shading_rate

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Only supported on GFX10.3+. Attachment Fragment Shading Rate is
for later.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7837>
This commit is contained in:
Samuel Pitoiset
2020-11-26 17:39:53 +01:00
committed by Marge Bot
parent d8c1931ca9
commit bf69d89b5a
10 changed files with 216 additions and 14 deletions
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9
src/amd/vulkan/si_cmd_buffer.c
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@@ -491,6 +491,15 @@ si_emit_graphics(struct radv_device *device,
/* This allows sample shading. */
radeon_set_context_reg(cs, R_028848_PA_CL_VRS_CNTL,
S_028848_SAMPLE_ITER_COMBINER_MODE(1));
/* This is the main VRS register and also the last
* combiner, set it to passthrough mode because other
* combiners are configured with PA_CL_VRS_CNTL.
*/
radeon_set_context_reg(cs, R_028064_DB_VRS_OVERRIDE_CNTL,
S_028064_VRS_OVERRIDE_RATE_COMBINER_MODE(V_028064_VRS_COMB_MODE_PASSTHRU) |
S_028064_VRS_OVERRIDE_RATE_X(0) |
S_028064_VRS_OVERRIDE_RATE_Y(0));
}
if (physical_device->rad_info.chip_class == GFX10) {