[PATCH vkd3d 8/9] vkd3d: Validate D3D12_BLEND_DESC.

[Józef Kucia]

From: Józef Kucia <jkucia at codeweavers.com>

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
 libs/vkd3d/command.c |  1 -
 libs/vkd3d/state.c   | 24 ++++++++++++++++++++----
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 3c254c046868..7aa16957e114 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -1786,7 +1786,6 @@ static bool d3d12_command_list_update_current_pipeline(struct d3d12_command_list
     blend_desc.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
     blend_desc.pNext = NULL;
     blend_desc.flags = 0;
-    /* FIXME: Logic ops are per-target in D3D. */
     blend_desc.logicOpEnable = VK_FALSE;
     blend_desc.logicOp = VK_LOGIC_OP_COPY;
     blend_desc.attachmentCount = state->attachment_count - state->rt_idx;
diff --git a/libs/vkd3d/state.c b/libs/vkd3d/state.c
index 43b1c1574fd0..5e401fdd9523 100644
--- a/libs/vkd3d/state.c
+++ b/libs/vkd3d/state.c
@@ -1876,6 +1876,9 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
     state->vk_set_layout = VK_NULL_HANDLE;
     state->uav_counters = NULL;
     state->uav_counter_mask = 0;
+    graphics->stage_count = 0;
+
+    memset(&input_signature, 0, sizeof(input_signature));
 
     if (!(root_signature = unsafe_impl_from_ID3D12RootSignature(desc->pRootSignature)))
     {
@@ -1943,7 +1946,7 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
 
     for (i = 0; i < rt_count; ++i)
     {
-        unsigned int blend_idx = desc->BlendState.IndependentBlendEnable ? i : 0;
+        const D3D12_RENDER_TARGET_BLEND_DESC *rt_desc;
         size_t idx = graphics->rt_idx + i;
 
         if (!(format = vkd3d_get_format(desc->RTVFormats[i], false)))
@@ -1953,6 +1956,20 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
             goto fail;
         }
 
+        rt_desc = &desc->BlendState.RenderTarget[desc->BlendState.IndependentBlendEnable ? i : 0];
+        if (desc->BlendState.IndependentBlendEnable && rt_desc->LogicOpEnable)
+        {
+            WARN("IndependentBlendEnable must be FALSE when logic operations are enabled.\n");
+            hr = E_INVALIDARG;
+            goto fail;
+        }
+        if (rt_desc->BlendEnable && rt_desc->LogicOpEnable)
+        {
+            WARN("Only one of BlendEnable or LogicOpEnable can be set to TRUE.");
+            hr = E_INVALIDARG;
+            goto fail;
+        }
+
         ps_output_swizzle[i] = vkd3d_get_rt_format_swizzle(format);
 
         graphics->attachments[idx].flags = 0;
@@ -1968,7 +1985,7 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
         graphics->attachment_references[idx].attachment = idx;
         graphics->attachment_references[idx].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
-        blend_attachment_from_d3d12(&graphics->blend_attachments[i], &desc->BlendState.RenderTarget[blend_idx]);
+        blend_attachment_from_d3d12(&graphics->blend_attachments[i], rt_desc);
     }
     graphics->attachment_count = graphics->rt_idx + rt_count;
 
@@ -1983,8 +2000,7 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
     shader_interface.uav_counters = NULL;
     shader_interface.uav_counter_count = 0;
 
-    memset(&input_signature, 0, sizeof(input_signature));
-    for (i = 0, graphics->stage_count = 0; i < ARRAY_SIZE(shader_stages); ++i)
+    for (i = 0; i < ARRAY_SIZE(shader_stages); ++i)
     {
         const D3D12_SHADER_BYTECODE *b = (const void *)((uintptr_t)desc + shader_stages[i].offset);
         const struct vkd3d_shader_code dxbc = {b->pShaderBytecode, b->BytecodeLength};
-- 
2.16.4