[Freedreno] [RFC PATCH 5/5] freedreno: HACK: Missing alloc for vertex shader pixsize

[Martin Fuzzey]

The simplest vertex shader was missing ALLOC PARAM/PIXEL SIZE(0x0) which,
on A205 at least, causes GPU hang.

This is a hack until I figure out the right way of fixing it.

Signed-off-by: Martin Fuzzey <mfuzzey at parkeon.com>
---
 src/gallium/drivers/freedreno/a2xx/fd2_compiler.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/freedreno/a2xx/fd2_compiler.c b/src/gallium/drivers/freedreno/a2xx/fd2_compiler.c
index b48fb46..251aa43 100644
--- a/src/gallium/drivers/freedreno/a2xx/fd2_compiler.c
+++ b/src/gallium/drivers/freedreno/a2xx/fd2_compiler.c
@@ -983,8 +983,15 @@ translate_instruction(struct fd2_compile_context *ctx,
 	struct ir2_instruction *instr;
 	static struct ir2_cf *cf;
 
-	if (opc == TGSI_OPCODE_END)
+	if (opc == TGSI_OPCODE_END) {
+		/* MF Hack */
+		if (ctx->type == TGSI_PROCESSOR_VERTEX) {
+			ctx->cf = NULL;
+			ir2_cf_create_alloc(ctx->so->ir, SQ_PARAMETER_PIXEL, 0);
+			next_exec_cf(ctx);
+		}
 		return;
+	}
 
 	if (inst->Dst[0].Register.File == TGSI_FILE_OUTPUT) {
 		unsigned num = inst->Dst[0].Register.Index;