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authorAlyssa Rosenzweig <[email protected]>2019-06-24 10:35:03 -0700
committerAlyssa Rosenzweig <[email protected]>2019-06-25 13:39:17 -0700
commit6729912a4bba88e6d0af8560bc9de692d044c906 (patch)
tree5fcf9a16edda08917f9aa84586ba9091641c7772
parent17adcfc0085fda75ea7b837cb7830d04a5a3764d (diff)
panfrost/midgard: Fixup NIR texture op
In a vertex shader, a tex op should map to txl, as there *must* be a LOD given to the hardware (implicitly or explicitly). Signed-off-by: Alyssa Rosenzweig <[email protected]>
-rw-r--r--src/gallium/drivers/panfrost/midgard/midgard_compile.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index 9256f06a9fe..336edac2171 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -1625,6 +1625,14 @@ emit_texop_native(compiler_context *ctx, nir_tex_instr *instr,
static void
emit_tex(compiler_context *ctx, nir_tex_instr *instr)
{
+ /* Fixup op, since only textureLod is permitted in VS but NIR can give
+ * generic tex in some cases (which confuses the hardware) */
+
+ bool is_vertex = ctx->stage == MESA_SHADER_VERTEX;
+
+ if (is_vertex && instr->op == nir_texop_tex)
+ instr->op = nir_texop_txl;
+
switch (instr->op) {
case nir_texop_tex:
case nir_texop_txb: