=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: vkd3d: Implement dual source blending.
Alexandre Julliard
julliard at winehq.org
Mon Dec 17 12:29:00 CST 2018
Module: vkd3d
Branch: master
Commit: c93d9bc714d7062eff268327436acbeac613ba15
URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=c93d9bc714d7062eff268327436acbeac613ba15
Author: Józef Kucia <jkucia at codeweavers.com>
Date: Thu Dec 13 10:28:37 2018 +0100
vkd3d: Implement dual source blending.
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
libs/vkd3d/state.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/libs/vkd3d/state.c b/libs/vkd3d/state.c
index 64c2158..9c2d3ac 100644
--- a/libs/vkd3d/state.c
+++ b/libs/vkd3d/state.c
@@ -1783,6 +1783,21 @@ static void blend_attachment_from_d3d12(struct VkPipelineColorBlendAttachmentSta
FIXME("Ignoring LogicOpEnable %#x.\n", d3d12_desc->LogicOpEnable);
}
+static bool is_dual_source_blending_blend(D3D12_BLEND b)
+{
+ return b == D3D12_BLEND_SRC1_COLOR || b == D3D12_BLEND_INV_SRC1_COLOR
+ || b == D3D12_BLEND_SRC1_ALPHA || b == D3D12_BLEND_INV_SRC1_ALPHA;
+}
+
+static bool is_dual_source_blending(const D3D12_RENDER_TARGET_BLEND_DESC *desc)
+{
+ return desc->BlendEnable
+ && (is_dual_source_blending_blend(desc->SrcBlend)
+ || is_dual_source_blending_blend(desc->DestBlend)
+ || is_dual_source_blending_blend(desc->SrcBlendAlpha)
+ || is_dual_source_blending_blend(desc->DestBlendAlpha));
+}
+
static HRESULT compute_input_layout_offsets(const D3D12_INPUT_LAYOUT_DESC *input_layout_desc,
uint32_t *offsets)
{
@@ -2063,9 +2078,29 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
ps_compile_args.type = VKD3D_SHADER_STRUCTURE_TYPE_COMPILE_ARGUMENTS;
ps_compile_args.next = NULL;
ps_compile_args.target = VKD3D_SHADER_TARGET_SPIRV_VULKAN_1_0;
+ ps_compile_args.dual_source_blending = is_dual_source_blending(&desc->BlendState.RenderTarget[0]);
ps_compile_args.output_swizzles = ps_output_swizzle;
ps_compile_args.output_swizzle_count = rt_count;
+ if (ps_compile_args.dual_source_blending && rt_count > 1)
+ {
+ WARN("Only one render target is allowed when dual source blending is used.\n");
+ hr = E_INVALIDARG;
+ goto fail;
+ }
+ if (ps_compile_args.dual_source_blending && desc->BlendState.IndependentBlendEnable)
+ {
+ for (i = 1; i < ARRAY_SIZE(desc->BlendState.RenderTarget); ++i)
+ {
+ if (desc->BlendState.RenderTarget[i].BlendEnable)
+ {
+ WARN("Blend enable cannot be set for render target %u when dual source blending is used.\n", i);
+ hr = E_INVALIDARG;
+ goto fail;
+ }
+ }
+ }
+
shader_interface.type = VKD3D_SHADER_STRUCTURE_TYPE_SHADER_INTERFACE;
shader_interface.next = NULL;
shader_interface.bindings = root_signature->descriptor_mapping;
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