anv: limit vertex buffers to 31

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/intel/vulkan/anv_device.c

@@ -562,8 +562,8 @@ void anv_GetPhysicalDeviceProperties(
       .maxDescriptorSetSampledImages            = 256,
       .maxDescriptorSetStorageImages            = 256,
       .maxDescriptorSetInputAttachments         = 256,
-      .maxVertexInputAttributes                 = 32,
-      .maxVertexInputBindings                   = 32,
+      .maxVertexInputAttributes                 = MAX_VBS,
+      .maxVertexInputBindings                   = MAX_VBS,
       .maxVertexInputAttributeOffset            = 2047,
       .maxVertexInputBindingStride              = 2048,
       .maxVertexOutputComponents                = 128,

src/intel/vulkan/anv_private.h

@@ -87,7 +87,7 @@ extern "C" {
  */
 #define ANV_HZ_FC_VAL 1.0f
 
-#define MAX_VBS         32
+#define MAX_VBS         31
 #define MAX_SETS         8
 #define MAX_RTS          8
 #define MAX_VIEWPORTS   16

src/intel/vulkan/genX_pipeline.c

@@ -133,7 +133,7 @@ emit_vertex_input(struct anv_pipeline *pipeline,
                                                   VK_IMAGE_ASPECT_COLOR_BIT,
                                                   VK_IMAGE_TILING_LINEAR);
 
-      assert(desc->binding < 32);
+      assert(desc->binding < MAX_VBS);
 
       if ((elements & (1 << desc->location)) == 0)
          continue; /* Binding unused */