Let's match the blob. It's not clear what exactly this controls yet,
though.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzw...@collabora.com>
---
.../drivers/panfrost/midgard/midgard_compile.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index e4c21c671fb..5d2e9ca8d3b 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -1545,6 +1545,19 @@ emit_texop_native(compiler_context *ctx, nir_tex_instr
*instr,
ins.texture.in_reg_select = in_reg;
ins.texture.out_reg_select = out_reg;
+ /* Setup magic flag? */
+ bool is_vertex = ctx->stage == MESA_SHADER_VERTEX;
+ bool is_cube = instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE;
+ bool is_2d = instr->sampler_dim == GLSL_SAMPLER_DIM_2D;
+
+ if (is_vertex) {
+ if (is_cube)
+ ins.texture.unknown4 = 0x3;
+ else if (is_2d)
+ ins.texture.unknown4 = 0x5;
+ }
+
+
/* Setup bias/LOD if necessary. Only register mode support right now.
* TODO: Immediate mode for performance gains */
--
2.20.1
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