Mesa (master): anv/cmd_buffer: Add some stage asserts

[Jason Ekstrand]

Module: Mesa
Branch: master
Commit: 0c879b62b0ee33a6eafcd5a38e4f50d3eabf5450
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0c879b62b0ee33a6eafcd5a38e4f50d3eabf5450

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Fri Dec  1 14:43:25 2017 -0800

anv/cmd_buffer: Add some stage asserts

There are several places where we look up opcodes in an array of stages.
Assert that the we don't end up going out-of-bounds.

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

---

 src/intel/vulkan/genX_cmd_buffer.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index e4362d1205..16b4ca6878 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -1822,6 +1822,9 @@ cmd_buffer_emit_descriptor_pointers(struct anv_cmd_buffer *cmd_buffer,
    };
 
    anv_foreach_stage(s, stages) {
+      assert(s < ARRAY_SIZE(binding_table_opcodes));
+      assert(binding_table_opcodes[s] > 0);
+
       if (cmd_buffer->state.samplers[s].alloc_size > 0) {
          anv_batch_emit(&cmd_buffer->batch,
                         GENX(3DSTATE_SAMPLER_STATE_POINTERS_VS), ssp) {
@@ -1858,6 +1861,9 @@ cmd_buffer_flush_push_constants(struct anv_cmd_buffer *cmd_buffer)
       if (stage == MESA_SHADER_COMPUTE)
          continue;
 
+      assert(stage < ARRAY_SIZE(push_constant_opcodes));
+      assert(push_constant_opcodes[stage] > 0);
+
       struct anv_state state = anv_cmd_buffer_push_constants(cmd_buffer, stage);
 
       if (state.offset == 0) {