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Merge pull request #99551 from DarioSamo/fragment-density-map

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Implement Fragment density map support.
This commit is contained in:
Rémi Verschelde
2025-03-28 14:31:19 +01:00
parent aeeea52a93 76d709be74
commit 408d07109b
21 changed files with 738 additions and 360 deletions
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6
drivers/metal/rendering_device_driver_metal.h
View File

@@ -65,6 +65,8 @@ class API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0)) RenderingDeviceDriverMet
RDD::Capabilities capabilities;
RDD::MultiviewCapabilities multiview_capabilities;
RDD::FragmentShadingRateCapabilities fsr_capabilities;
RDD::FragmentDensityMapCapabilities fdm_capabilities;
id<MTLBinaryArchive> archive = nil;
uint32_t archive_count = 0;
@@ -315,7 +317,7 @@ public:
// ----- SUBPASS -----
virtual RenderPassID render_pass_create(VectorView<Attachment> p_attachments, VectorView<Subpass> p_subpasses, VectorView<SubpassDependency> p_subpass_dependencies, uint32_t p_view_count) override final;
virtual RenderPassID render_pass_create(VectorView<Attachment> p_attachments, VectorView<Subpass> p_subpasses, VectorView<SubpassDependency> p_subpass_dependencies, uint32_t p_view_count, AttachmentReference p_fragment_density_map_attachment) override final;
virtual void render_pass_free(RenderPassID p_render_pass) override final;
// ----- COMMANDS -----
@@ -420,6 +422,8 @@ public:
virtual uint64_t api_trait_get(ApiTrait p_trait) override final;
virtual bool has_feature(Features p_feature) override final;
virtual const MultiviewCapabilities &get_multiview_capabilities() override final;
virtual const FragmentShadingRateCapabilities &get_fragment_shading_rate_capabilities() override final;
virtual const FragmentDensityMapCapabilities &get_fragment_density_map_capabilities() override final;
virtual String get_api_name() const override final { return "Metal"; }
virtual String get_api_version() const override final;
virtual String get_pipeline_cache_uuid() const override final;

25
drivers/metal/rendering_device_driver_metal.mm
View File

@@ -990,7 +990,7 @@ RDD::SwapChainID RenderingDeviceDriverMetal::swap_chain_create(RenderingContextD
color_ref.aspect.set_flag(RDD::TEXTURE_ASPECT_COLOR_BIT);
subpass.color_references.push_back(color_ref);
RenderPassID render_pass = render_pass_create(attachment, subpass, {}, 1);
RenderPassID render_pass = render_pass_create(attachment, subpass, {}, 1, RDD::AttachmentReference());
ERR_FAIL_COND_V(!render_pass, SwapChainID());
// Create the empty swap chain until it is resized.
@@ -3120,7 +3120,7 @@ Vector<uint8_t> RenderingDeviceDriverMetal::pipeline_cache_serialize() {
// ----- SUBPASS -----
RDD::RenderPassID RenderingDeviceDriverMetal::render_pass_create(VectorView<Attachment> p_attachments, VectorView<Subpass> p_subpasses, VectorView<SubpassDependency> p_subpass_dependencies, uint32_t p_view_count) {
RDD::RenderPassID RenderingDeviceDriverMetal::render_pass_create(VectorView<Attachment> p_attachments, VectorView<Subpass> p_subpasses, VectorView<SubpassDependency> p_subpass_dependencies, uint32_t p_view_count, AttachmentReference p_fragment_density_map_attachment) {
PixelFormats &pf = *pixel_formats;
size_t subpass_count = p_subpasses.size();
@@ -4022,10 +4022,6 @@ uint64_t RenderingDeviceDriverMetal::limit_get(Limit p_limit) {
return (uint64_t)((1.0 / limits.temporalScalerInputContentMinScale) * 1000'000);
case LIMIT_MAX_SHADER_VARYINGS:
return limits.maxShaderVaryings;
UNKNOWN(LIMIT_VRS_TEXEL_WIDTH);
UNKNOWN(LIMIT_VRS_TEXEL_HEIGHT);
UNKNOWN(LIMIT_VRS_MAX_FRAGMENT_WIDTH);
UNKNOWN(LIMIT_VRS_MAX_FRAGMENT_HEIGHT);
default: {
#ifdef DEV_ENABLED
WARN_PRINT("Returning maximum value for unknown limit " + itos(p_limit) + ".");
@@ -4048,17 +4044,8 @@ uint64_t RenderingDeviceDriverMetal::api_trait_get(ApiTrait p_trait) {
bool RenderingDeviceDriverMetal::has_feature(Features p_feature) {
switch (p_feature) {
case SUPPORTS_MULTIVIEW:
return multiview_capabilities.is_supported;
case SUPPORTS_FSR_HALF_FLOAT:
return true;
case SUPPORTS_ATTACHMENT_VRS:
// TODO(sgc): Maybe supported via https://developer.apple.com/documentation/metal/render_passes/rendering_at_different_rasterization_rates?language=objc
// See also:
//
// * https://forum.beyond3d.com/threads/variable-rate-shading-vs-variable-rate-rasterization.62243/post-2191363
//
return false;
case SUPPORTS_FRAGMENT_SHADER_WITH_ONLY_SIDE_EFFECTS:
return true;
case SUPPORTS_BUFFER_DEVICE_ADDRESS:
@@ -4076,6 +4063,14 @@ const RDD::MultiviewCapabilities &RenderingDeviceDriverMetal::get_multiview_capa
return multiview_capabilities;
}
const RDD::FragmentShadingRateCapabilities &RenderingDeviceDriverMetal::get_fragment_shading_rate_capabilities() {
return fsr_capabilities;
}
const RDD::FragmentDensityMapCapabilities &RenderingDeviceDriverMetal::get_fragment_density_map_capabilities() {
return fdm_capabilities;
}
String RenderingDeviceDriverMetal::get_api_version() const {
return vformat("%d.%d", version_major, version_minor);
}