panfrost: Assign varying buffers dynamically

Rather than hardcoding certain varying buffer indices "by convention",
work it out at draw time. This added flexibility is needed for
futureproofing and will be enable streamout.

Signed-off-by: Alyssa Rosenzweig <[email protected]>

1 files changed, 0 insertions, 6 deletions

diff --git a/src/gallium/drivers/panfrost/pan_assemble.c b/src/gallium/drivers/panfrost/pan_assemble.c
index dd877056d3b..337f97bddbd 100644
--- a/src/gallium/drivers/panfrost/pan_assemble.c
+++ b/src/gallium/drivers/panfrost/pan_assemble.c
@@ -141,28 +141,22 @@ panfrost_shader_compile(
                 /* Check for special cases, otherwise assume general varying */
 
                 if (location == VARYING_SLOT_POS) {
-                        v.index = 1;
                         v.format = MALI_VARYING_POS;
                 } else if (location == VARYING_SLOT_PSIZ) {
-                        v.index = 2;
                         v.format = MALI_R16F;
                         v.swizzle = default_vec1_swizzle;
 
                         state->writes_point_size = true;
                 } else if (location == VARYING_SLOT_PNTC) {
-                        v.index = 3;
                         v.format = MALI_RG16F;
                         v.swizzle = default_vec2_swizzle;
 
                         state->reads_point_coord = true;
                 } else if (location == VARYING_SLOT_FACE) {
-                        v.index = 4;
                         v.format = MALI_R32I;
                         v.swizzle = default_vec1_swizzle;
 
                         state->reads_face = true;
-                } else {
-                        v.index = 0;
                 }
 
                 state->varyings[i] = v;