freedreno: Fix more constlen overflows.
authorEric Anholt <eric@anholt.net>
Wed, 26 Jun 2019 23:47:10 +0000 (16:47 -0700)
committerEric Anholt <eric@anholt.net>
Wed, 17 Jul 2019 23:20:12 +0000 (16:20 -0700)
Fixes constlen overflow in
dEQP-GLES31.functional.shaders.builtin_var.compute.num_work_groups and
dEQP-GLES31.functional.image_load_store.buffer.image_size.readonly_32
and probably others.

Reviewed-by: Rob Clark <robdclark@gmail.com>
src/gallium/drivers/freedreno/ir3/ir3_gallium.c

index ad74c8b1b66952a7cb1876209413ccad0178135b..eb0e866dd542fea3d9aa567ed038428756320457 100644 (file)
@@ -333,10 +333,11 @@ emit_image_dims(struct fd_context *ctx, const struct ir3_shader_variant *v,
                                dims[off + 1] = ffs(dims[off + 0]) - 1;
                        }
                }
+               uint32_t size = MIN2(ARRAY_SIZE(dims), v->constlen * 4 - offset * 4);
 
                ring_wfi(ctx->batch, ring);
                ctx->emit_const(ring, v->type, offset * 4,
-                       0, ARRAY_SIZE(dims), dims, NULL);
+                       0, size, dims, NULL);
        }
 }
 
@@ -635,9 +636,11 @@ ir3_emit_cs_consts(const struct ir3_shader_variant *v, struct fd_ringbuffer *rin
                                [IR3_DP_LOCAL_GROUP_SIZE_Y] = info->block[1],
                                [IR3_DP_LOCAL_GROUP_SIZE_Z] = info->block[2],
                        };
+                       uint32_t size = MIN2(ARRAY_SIZE(compute_params),
+                                       v->constlen * 4 - offset * 4);
 
                        ctx->emit_const(ring, MESA_SHADER_COMPUTE, offset * 4, 0,
-                                       ARRAY_SIZE(compute_params), compute_params, NULL);
+                                       size, compute_params, NULL);
                }
        }
 }