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path: root/src/gallium/drivers/r600/r600_shader.c
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Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
-rw-r--r--src/gallium/drivers/r600/r600_shader.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 5823ba2e857..a4ed796b768 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -6280,10 +6280,26 @@ static int tgsi_loop_breakc(struct r600_shader_ctx *ctx)
return -EINVAL;
}
- r = emit_logic_pred(ctx, ALU_OP2_PRED_SETE_INT, CF_OP_ALU_BREAK);
- if (r)
- return r;
- fc_set_mid(ctx, fscp);
+ if (ctx->bc->chip_class == EVERGREEN &&
+ ctx->bc->family != CHIP_CYPRESS &&
+ ctx->bc->family != CHIP_JUNIPER) {
+ /* HW bug: ALU_BREAK does not save the active mask correctly */
+ r = tgsi_uif(ctx);
+ if (r)
+ return r;
+
+ r = r600_bytecode_add_cfinst(ctx->bc, CF_OP_LOOP_BREAK);
+ if (r)
+ return r;
+ fc_set_mid(ctx, fscp);
+
+ return tgsi_endif(ctx);
+ } else {
+ r = emit_logic_pred(ctx, ALU_OP2_PRED_SETE_INT, CF_OP_ALU_BREAK);
+ if (r)
+ return r;
+ fc_set_mid(ctx, fscp);
+ }
return 0;
}