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vulkan: implement all alpha modes

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This commit is contained in:
Julian Orth 2026-02-21 14:10:59 +01:00
parent 69ca5d92e7
commit 56a6012a7c
12 changed files with 62 additions and 11 deletions
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16
src/gfx_apis/vulkan/renderer.rs
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@ -8,8 +8,8 @@ use {
},
cpu_worker::PendingJob,
gfx_api::{
AcquireSync, BufferResv, BufferResvUser, GfxApiOpt, GfxBlendBuffer, GfxFormat,
GfxTexture, GfxWriteModifier, ReleaseSync, SyncFile,
AcquireSync, AlphaMode, BufferResv, BufferResvUser, GfxApiOpt, GfxBlendBuffer,
GfxFormat, GfxTexture, GfxWriteModifier, ReleaseSync, SyncFile,
},
gfx_apis::vulkan::{
VulkanError,
@ -209,6 +209,7 @@ struct VulkanTexOp {
alpha: f32,
source_type: TexSourceType,
copy_type: TexCopyType,
alpha_mode: AlphaMode,
range_address: DeviceAddress,
instances: u32,
tex_cd: Rc<ColorDescription>,
@ -258,6 +259,7 @@ type FillPipelines = Rc<StaticMap<TexSourceType, Rc<VulkanPipeline>>>;
struct TexPipelineKey {
tex_copy_type: TexCopyType,
tex_source_type: TexSourceType,
tex_alpha_mode: AlphaMode,
eotf: VulkanEotf,
has_color_management_data: bool,
}
@ -431,6 +433,7 @@ impl VulkanRenderer {
blend: src_has_alpha,
src_has_alpha,
has_alpha_mult: false,
alpha_mode: AlphaMode::PremultipliedOptical,
// all transformations are applied in the compositor
eotf: EOTF_LINEAR,
inv_eotf: EOTF_LINEAR,
@ -474,11 +477,16 @@ impl VulkanRenderer {
tex_cd: &ColorDescription,
tex_copy_type: TexCopyType,
tex_source_type: TexSourceType,
mut tex_alpha_mode: AlphaMode,
has_color_management_data: bool,
) -> Result<Rc<VulkanPipeline>, VulkanError> {
if tex_source_type == TexSourceType::Opaque {
tex_alpha_mode = AlphaMode::PremultipliedElectrical;
}
let key = TexPipelineKey {
tex_copy_type,
tex_source_type,
tex_alpha_mode,
eotf: tex_cd.eotf.to_vulkan(),
has_color_management_data,
};
@ -505,6 +513,7 @@ impl VulkanRenderer {
blend: src_has_alpha || has_alpha_mult,
src_has_alpha,
has_alpha_mult,
alpha_mode: key.tex_alpha_mode,
eotf: key.eotf.to_vulkan(),
inv_eotf: pipelines.eotf.to_vulkan(),
descriptor_set_layouts: self.tex_descriptor_set_layouts.clone(),
@ -543,6 +552,7 @@ impl VulkanRenderer {
blend: false,
src_has_alpha: true,
has_alpha_mult: false,
alpha_mode: AlphaMode::PremultipliedElectrical,
eotf: key.eotf.to_vulkan(),
inv_eotf: fb_eotf.to_vulkan(),
descriptor_set_layouts,
@ -886,6 +896,7 @@ impl VulkanRenderer {
alpha: ct.alpha.unwrap_or_default(),
source_type,
copy_type,
alpha_mode: ct.alpha_mode,
range_address: 0,
instances: 0,
tex_cd: ct.cd.clone(),
@ -1333,6 +1344,7 @@ impl VulkanRenderer {
&c.tex_cd,
c.copy_type,
c.source_type,
c.alpha_mode,
c.color_management_data_address.is_some(),
)?;
bind(&pipeline);