[PATCH vkd3d 11/12] vkd3d: Avoid invalidating current framebuffer needlessly.

[Józef Kucia]

From: Józef Kucia <jkucia at codeweavers.com>

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
 libs/vkd3d/command.c       | 10 +++++++---
 libs/vkd3d/state.c         | 34 ++++++++++++++++++++++++++++++++++
 libs/vkd3d/vkd3d_private.h |  2 ++
 3 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 3d57545b20e1..7989401600b2 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -2835,22 +2835,26 @@ static void STDMETHODCALLTYPE d3d12_command_list_SetPipelineState(ID3D12Graphics
 {
     struct d3d12_pipeline_state *state = unsafe_impl_from_ID3D12PipelineState(pipeline_state);
     struct d3d12_command_list *list = impl_from_ID3D12GraphicsCommandList(iface);
+    const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
 
     TRACE("iface %p, pipeline_state %p.\n", iface, pipeline_state);
 
-    list->state = state;
     d3d12_command_list_invalidate_bindings(list, state);
 
     if (d3d12_pipeline_state_is_compute(state))
     {
-        const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
         VK_CALL(vkCmdBindPipeline(list->vk_command_buffer, state->vk_bind_point, state->u.compute.vk_pipeline));
     }
     else
     {
-        d3d12_command_list_invalidate_current_framebuffer(list);
+        if (!d3d12_pipeline_state_is_render_pass_compatible(list->state, state))
+        {
+            d3d12_command_list_invalidate_current_framebuffer(list);
+        }
         d3d12_command_list_invalidate_current_pipeline(list);
     }
+
+    list->state = state;
 }
 
 static void STDMETHODCALLTYPE d3d12_command_list_ResourceBarrier(ID3D12GraphicsCommandList *iface,
diff --git a/libs/vkd3d/state.c b/libs/vkd3d/state.c
index 8b10a6269a9c..43b1c1574fd0 100644
--- a/libs/vkd3d/state.c
+++ b/libs/vkd3d/state.c
@@ -1798,6 +1798,40 @@ static unsigned int vkd3d_get_rt_format_swizzle(const struct vkd3d_format *forma
     return VKD3D_NO_SWIZZLE;
 }
 
+/*
+ * This must return results in accordance with render passes created by
+ * d3d12_pipeline_state_init_graphics().
+ */
+bool d3d12_pipeline_state_is_render_pass_compatible(const struct d3d12_pipeline_state *state_a,
+        const struct d3d12_pipeline_state *state_b)
+{
+    const struct d3d12_graphics_pipeline_state *a = &state_a->u.graphics;
+    const struct d3d12_graphics_pipeline_state *b = &state_b->u.graphics;
+    unsigned int i;
+
+    if (!state_a != !state_b)
+        return false;
+    if (!state_a && !state_b)
+        return true;
+
+    if (state_a->vk_bind_point != VK_PIPELINE_BIND_POINT_GRAPHICS
+            || state_b->vk_bind_point != VK_PIPELINE_BIND_POINT_GRAPHICS)
+        return false;
+
+    if (a->rt_idx != b->rt_idx)
+        return false;
+    if (a->attachment_count != b->attachment_count)
+        return false;
+
+    for (i = 0; i < a->attachment_count; ++i)
+    {
+        if (a->attachments[i].format != b->attachments[i].format)
+            return false;
+    }
+
+    return true;
+}
+
 static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *state,
         struct d3d12_device *device, const D3D12_GRAPHICS_PIPELINE_STATE_DESC *desc)
 {
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index 59741684dc38..9fa29fb59774 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -525,6 +525,8 @@ HRESULT d3d12_pipeline_state_create_compute(struct d3d12_device *device,
         const D3D12_COMPUTE_PIPELINE_STATE_DESC *desc, struct d3d12_pipeline_state **state) DECLSPEC_HIDDEN;
 HRESULT d3d12_pipeline_state_create_graphics(struct d3d12_device *device,
         const D3D12_GRAPHICS_PIPELINE_STATE_DESC *desc, struct d3d12_pipeline_state **state) DECLSPEC_HIDDEN;
+bool d3d12_pipeline_state_is_render_pass_compatible(const struct d3d12_pipeline_state *state_a,
+        const struct d3d12_pipeline_state *state_b) DECLSPEC_HIDDEN;
 struct d3d12_pipeline_state *unsafe_impl_from_ID3D12PipelineState(ID3D12PipelineState *iface) DECLSPEC_HIDDEN;
 
 struct vkd3d_buffer
-- 
2.16.4