diff options
Diffstat (limited to 'adapters/fparkan-render-vulkan/src/ffi')
4 files changed, 52 insertions, 9 deletions
diff --git a/adapters/fparkan-render-vulkan/src/ffi/smoke.rs b/adapters/fparkan-render-vulkan/src/ffi/smoke.rs index 92db1a0..4862ca0 100644 --- a/adapters/fparkan-render-vulkan/src/ffi/smoke.rs +++ b/adapters/fparkan-render-vulkan/src/ffi/smoke.rs @@ -678,6 +678,14 @@ impl VulkanSmokeRenderer { std::slice::from_ref(descriptor_set), &[], ); + let alpha_cutoff = range.alpha_test_cutoff().to_ne_bytes(); + device.device().cmd_push_constants( + command_buffer, + resources.pipeline_layout, + vk::ShaderStageFlags::FRAGMENT, + 0, + &alpha_cutoff, + ); device.device().cmd_draw_indexed( command_buffer, range.index_count, diff --git a/adapters/fparkan-render-vulkan/src/ffi/smoke_types.rs b/adapters/fparkan-render-vulkan/src/ffi/smoke_types.rs index 76bf842..70881d3 100644 --- a/adapters/fparkan-render-vulkan/src/ffi/smoke_types.rs +++ b/adapters/fparkan-render-vulkan/src/ffi/smoke_types.rs @@ -73,6 +73,8 @@ pub struct VulkanStaticDrawRange { pub material_index: u16, /// Backend-neutral fixed-function state for this source range. pub pipeline_state: LegacyPipelineState, + /// Alpha-test reference in legacy 0..=255 units; dynamic material data. + pub alpha_test_reference: u8, } impl VulkanStaticDrawRange { @@ -81,6 +83,16 @@ impl VulkanStaticDrawRange { pub fn pipeline_key(self) -> PipelineKey { self.pipeline_state.into() } + + /// Returns the normalized cutoff consumed by the fragment shader. + #[must_use] + pub fn alpha_test_cutoff(self) -> f32 { + if self.pipeline_state.alpha_test { + f32::from(self.alpha_test_reference) / 255.0 + } else { + 0.0 + } + } } /// One diffuse material texture keyed by an original MSH batch selector. @@ -185,6 +197,7 @@ impl VulkanStaticMesh { index_count: 3, material_index: 0, pipeline_state: LegacyPipelineState::default(), + alpha_test_reference: 0, }], } } @@ -252,6 +265,7 @@ mod static_mesh_tests { index_count: 2, material_index: 0, pipeline_state: LegacyPipelineState::default(), + alpha_test_reference: 0, }], }; let out_of_range_index = VulkanStaticMesh { @@ -279,12 +293,14 @@ mod static_mesh_tests { index_count: 3, material_index: 7, pipeline_state: LegacyPipelineState::default(), + alpha_test_reference: 0, }, VulkanStaticDrawRange { first_index: 3, index_count: 3, material_index: 2, pipeline_state: LegacyPipelineState::default(), + alpha_test_reference: 0, }, ]; let texture = || VulkanStaticTexture { @@ -323,6 +339,25 @@ mod static_mesh_tests { assert_eq!(base.pipeline_key().packed(), 0); assert_ne!(base.pipeline_key(), blended.pipeline_key()); } + + #[test] + fn alpha_cutoff_is_dynamic_and_disabled_outside_alpha_test_pipeline() { + let base = VulkanStaticMesh::smoke_triangle().draw_ranges[0]; + let disabled = VulkanStaticDrawRange { + alpha_test_reference: 200, + ..base + }; + let enabled = VulkanStaticDrawRange { + pipeline_state: LegacyPipelineState { + alpha_test: true, + ..LegacyPipelineState::default() + }, + alpha_test_reference: 128, + ..base + }; + assert_eq!(disabled.alpha_test_cutoff(), 0.0); + assert_eq!(enabled.alpha_test_cutoff(), 128.0 / 255.0); + } } /// Shared bootstrap progress used to report partial renderer startup evidence. diff --git a/adapters/fparkan-render-vulkan/src/ffi/swapchain_resources.rs b/adapters/fparkan-render-vulkan/src/ffi/swapchain_resources.rs index ff797e1..529214d 100644 --- a/adapters/fparkan-render-vulkan/src/ffi/swapchain_resources.rs +++ b/adapters/fparkan-render-vulkan/src/ffi/swapchain_resources.rs @@ -381,7 +381,13 @@ fn create_pipeline_layout( descriptor_set_layout: vk::DescriptorSetLayout, ) -> Result<vk::PipelineLayout, VulkanSmokeRendererError> { let set_layouts = [descriptor_set_layout]; - let create_info = vk::PipelineLayoutCreateInfo::default().set_layouts(&set_layouts); + let push_constant_ranges = [vk::PushConstantRange::default() + .stage_flags(vk::ShaderStageFlags::FRAGMENT) + .offset(0) + .size(u32::try_from(std::mem::size_of::<f32>()).unwrap_or(u32::MAX))]; + let create_info = vk::PipelineLayoutCreateInfo::default() + .set_layouts(&set_layouts) + .push_constant_ranges(&push_constant_ranges); // SAFETY: The descriptor-set layout belongs to this live logical device. unsafe { device.device().create_pipeline_layout(&create_info, None) }.map_err(|error| { VulkanSmokeRendererError::VulkanOperation { @@ -562,12 +568,6 @@ fn create_graphics_pipeline( extent: (u32, u32), state: LegacyPipelineState, ) -> Result<vk::Pipeline, VulkanSmokeRendererError> { - if state.alpha_test { - return Err(VulkanSmokeRendererError::InvalidStaticMesh { - context: - "static renderer has no alpha-test shader variant for requested pipeline state", - }); - } let vertex_shader = create_shader_module(device, TRIANGLE_VERTEX_SHADER_WORDS)?; let fragment_shader = match create_shader_module(device, TRIANGLE_FRAGMENT_SHADER_WORDS) { Ok(module) => module, diff --git a/adapters/fparkan-render-vulkan/src/ffi/tests.rs b/adapters/fparkan-render-vulkan/src/ffi/tests.rs index 791fff8..44e064b 100644 --- a/adapters/fparkan-render-vulkan/src/ffi/tests.rs +++ b/adapters/fparkan-render-vulkan/src/ffi/tests.rs @@ -669,11 +669,11 @@ fn triangle_shader_manifest_hashes_are_stable() { assert!(!report.modules[0].interface_hash.is_empty()); assert_eq!( report.modules[1].sha256, - "49dae3e1c46d5d23cccf3b161c36ea0b3a606e89c2289dbfed3e4fe991eb8556" + "536a5c9a4389f9d34ca11a25f20d0acbc53d3eb0782c18375326647319336a85" ); assert_eq!( report.manifest_hash, - "038ecdb57832ac2d45a1ca6da5ec058b34f4f31b7170aa68fa612ac9d0ae7565" + "5a16fb791e86bb790cd2d85151627e0d39193c5c073a9294130f149d4ff5ba58" ); } |