[PATCH vkd3d 5/6] vkd3d: Add FIXME() for unsupported strip cut values.

[Józef Kucia]

From: Józef Kucia <jkucia at codeweavers.com>

In Vulkan, the strip cut value is derived from the current index buffer
format. We could recompile the pipeline to handle more cases.

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
 libs/vkd3d/command.c       | 18 ++++++++++++++++++
 libs/vkd3d/state.c         |  6 ++----
 libs/vkd3d/vkd3d_private.h |  4 +++-
 3 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 3d5e898b4adb..2e6357ac3c3f 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -1703,6 +1703,8 @@ static void d3d12_command_list_reset_state(struct d3d12_command_list *list,
     memset(list->strides, 0, sizeof(list->strides));
     list->primitive_topology = VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
 
+    list->index_buffer_format = DXGI_FORMAT_UNKNOWN;
+
     memset(list->views, 0, sizeof(list->views));
     list->fb_width = 0;
     list->fb_height = 0;
@@ -2293,6 +2295,20 @@ static void STDMETHODCALLTYPE d3d12_command_list_DrawIndexedInstanced(ID3D12Grap
         return;
     }
 
+    switch (list->state->u.graphics.index_buffer_strip_cut_value)
+    {
+        case D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_0xFFFF:
+            if (list->index_buffer_format != DXGI_FORMAT_R16_UINT)
+                FIXME("Strip cut value 0xffff is not supported with index buffer format %#x.\n", list->index_buffer_format);
+            break;
+        case D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_0xFFFFFFFF:
+            if (list->index_buffer_format != DXGI_FORMAT_R32_UINT)
+                FIXME("Strip cut value 0xffffffff is not supported with index buffer format %#x.\n", list->index_buffer_format);
+            break;
+        default:
+            break;
+    }
+
     VK_CALL(vkCmdDrawIndexed(list->vk_command_buffer, index_count_per_instance,
             instance_count, start_vertex_location, base_vertex_location, start_instance_location));
 }
@@ -3475,6 +3491,8 @@ static void STDMETHODCALLTYPE d3d12_command_list_IASetIndexBuffer(ID3D12Graphics
             return;
     }
 
+    list->index_buffer_format = view->Format;
+
     resource = vkd3d_gpu_va_allocator_dereference(&list->device->gpu_va_allocator, view->BufferLocation);
     VK_CALL(vkCmdBindIndexBuffer(list->vk_command_buffer, resource->u.vk_buffer,
             view->BufferLocation - resource->gpu_address, index_type));
diff --git a/libs/vkd3d/state.c b/libs/vkd3d/state.c
index 03d8ef35ffd2..64c21588a825 100644
--- a/libs/vkd3d/state.c
+++ b/libs/vkd3d/state.c
@@ -2236,11 +2236,9 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
     switch (desc->IBStripCutValue)
     {
         case D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED:
-            graphics->primitive_restart_enable = VK_FALSE;
-            break;
         case D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_0xFFFF:
         case D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_0xFFFFFFFF:
-            graphics->primitive_restart_enable = VK_TRUE;
+            graphics->index_buffer_strip_cut_value = desc->IBStripCutValue;
             break;
         default:
             WARN("Invalid index buffer strip cut value %#x.\n", desc->IBStripCutValue);
@@ -2506,7 +2504,7 @@ VkPipeline d3d12_pipeline_state_get_or_create_pipeline(struct d3d12_pipeline_sta
     ia_desc.pNext = NULL;
     ia_desc.flags = 0;
     ia_desc.topology = topology;
-    ia_desc.primitiveRestartEnable = graphics->primitive_restart_enable;
+    ia_desc.primitiveRestartEnable = !!graphics->index_buffer_strip_cut_value;
 
     blend_desc.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
     blend_desc.pNext = NULL;
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index f97755925888..7e04dc31a0c8 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -531,7 +531,7 @@ struct d3d12_graphics_pipeline_state
     size_t attachment_count, rt_idx;
     VkRenderPass render_pass;
 
-    VkBool32 primitive_restart_enable;
+    D3D12_INDEX_BUFFER_STRIP_CUT_VALUE index_buffer_strip_cut_value;
     struct VkPipelineRasterizationStateCreateInfo rs_desc;
     struct VkPipelineMultisampleStateCreateInfo ms_desc;
     struct VkPipelineDepthStencilStateCreateInfo ds_desc;
@@ -696,6 +696,8 @@ struct d3d12_command_list
     uint32_t strides[D3D12_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
     VkPrimitiveTopology primitive_topology;
 
+    DXGI_FORMAT index_buffer_format;
+
     VkImageView views[D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT + 1];
     unsigned int fb_width;
     unsigned int fb_height;
-- 
2.18.1