[PATCH v3 5/5] wined3d: Create a null vertex binding and attributes for unbound shader inputs.
Jan Sikorski
jsikorski at codeweavers.com
Tue Apr 20 08:06:51 CDT 2021
Signed-off-by: Jan Sikorski <jsikorski at codeweavers.com>
---
dlls/wined3d/context_vk.c | 41 +++++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/dlls/wined3d/context_vk.c b/dlls/wined3d/context_vk.c
index e6dc5ea568b..47bbaed792a 100644
--- a/dlls/wined3d/context_vk.c
+++ b/dlls/wined3d/context_vk.c
@@ -2032,6 +2032,7 @@ static bool wined3d_context_vk_update_graphics_pipeline_key(struct wined3d_conte
|| wined3d_context_is_graphics_state_dirty(&context_vk->c, STATE_STREAMSRC)
|| wined3d_context_is_graphics_state_dirty(&context_vk->c, STATE_SHADER(WINED3D_SHADER_TYPE_VERTEX)))
{
+ struct wined3d_shader_signature *signature = &state->shader[WINED3D_SHADER_TYPE_VERTEX]->input_signature;
wined3d_stream_info_from_declaration(&stream_info, state, d3d_info);
divisor_count = 0;
for (i = 0, mask = 0, attribute_count = 0, binding_count = 0; i < ARRAY_SIZE(stream_info.elements); ++i)
@@ -2071,6 +2072,46 @@ static bool wined3d_context_vk_update_graphics_pipeline_key(struct wined3d_conte
}
}
+ if (attribute_count < signature->element_count)
+ {
+ uint32_t null_binding;
+ for (i = 0; i < ARRAY_SIZE(state->streams); ++i)
+ {
+ if (!state->streams[i].buffer)
+ {
+ null_binding = i;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(state->streams))
+ ERR("No streams left for a null buffer binding.");
+ else
+ {
+ VkVertexInputBindingDescription *b;
+ b = &key->bindings[binding_count++];
+ b->binding = null_binding;
+ b->stride = 0;
+ b->inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
+
+ for (i = 0; i < signature->element_count; ++i)
+ {
+ struct wined3d_shader_signature_element *element = &signature->elements[i];
+ uint32_t location = element->register_idx;
+ VkVertexInputAttributeDescription *a;
+
+ if ((stream_info.use_map & (1 << location)))
+ continue;
+
+ a = &key->attributes[attribute_count++];
+ a->location = location;
+ a->binding = null_binding;
+ a->format = VK_FORMAT_R32G32B32A32_UINT;
+ a->offset = 0;
+ }
+ }
+ }
+
key->input_desc.pNext = NULL;
key->input_desc.vertexBindingDescriptionCount = binding_count;
key->input_desc.vertexAttributeDescriptionCount = attribute_count;
--
2.31.0
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