Mesa (master): radv: gather which input PS variables use an explicit interpolation mode

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Module: Mesa
Branch: master
Commit: 663d5c1399ddae76f696a8a3383deefe24076895
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=663d5c1399ddae76f696a8a3383deefe24076895

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Mon Jan 27 11:07:42 2020 +0100

radv: gather which input PS variables use an explicit interpolation mode

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3578>

---

 src/amd/vulkan/radv_shader.h      | 1 +
 src/amd/vulkan/radv_shader_info.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index 3001f494cef..131774bd886 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -294,6 +294,7 @@ struct radv_shader_info {
 		uint8_t num_input_clips_culls;
 		uint32_t input_mask;
 		uint32_t flat_shaded_mask;
+		uint32_t explicit_shaded_mask;
 		uint32_t float16_shaded_mask;
 		uint32_t num_interp;
 		bool can_discard;
diff --git a/src/amd/vulkan/radv_shader_info.c b/src/amd/vulkan/radv_shader_info.c
index 613746c7dde..80f93b1c0a7 100644
--- a/src/amd/vulkan/radv_shader_info.c
+++ b/src/amd/vulkan/radv_shader_info.c
@@ -479,6 +479,8 @@ gather_info_input_decl_ps(const nir_shader *nir, const nir_variable *var,
 
 	if (var->data.interpolation == INTERP_MODE_FLAT)
 		info->ps.flat_shaded_mask |= mask << var->data.driver_location;
+	if (var->data.interpolation == INTERP_MODE_EXPLICIT)
+		info->ps.explicit_shaded_mask |= mask << var->data.driver_location;
 
 	if (var->data.location >= VARYING_SLOT_VAR0)
 		info->ps.input_mask |= mask << (var->data.location - VARYING_SLOT_VAR0);