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Added GPU API support on visionOS

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You must set SDL_PROP_GPU_DEVICE_CREATE_FEATURE_DEPTH_CLAMPING_BOOLEAN to false on this platform, since setDepthClipMode is not supported on Apple headsets (as of visionOS 2.3) and clipping is the default.
This commit is contained in:
Sam Lantinga
2025-09-29 13:24:00 -07:00
parent 2809ce9389
commit 15f1cb4c98
1 changed files with 11 additions and 0 deletions
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11
src/gpu/metal/SDL_gpu_metal.m
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@@ -1116,6 +1116,13 @@ static SDL_GPUGraphicsPipeline *METAL_CreateGraphicsPipeline(
SDL_assert_release(!"CreateGraphicsPipeline was passed a vertex shader for the fragment stage"); SDL_assert_release(!"CreateGraphicsPipeline was passed a vertex shader for the fragment stage");
} }
} }
#ifdef SDL_PLATFORM_VISIONOS
// The default is depth clipping enabled and it can't be changed
if (!createinfo->rasterizer_state.enable_depth_clip) {
SDL_assert_release(!"Rasterizer state enable_depth_clip must be true on this platform");
}
#endif
pipelineDescriptor = [MTLRenderPipelineDescriptor new]; pipelineDescriptor = [MTLRenderPipelineDescriptor new];
// Blend // Blend
@@ -2414,7 +2421,9 @@ static void METAL_BindGraphicsPipeline(
[metalCommandBuffer->renderEncoder setTriangleFillMode:SDLToMetal_PolygonMode[pipeline->rasterizerState.fill_mode]]; [metalCommandBuffer->renderEncoder setTriangleFillMode:SDLToMetal_PolygonMode[pipeline->rasterizerState.fill_mode]];
[metalCommandBuffer->renderEncoder setCullMode:SDLToMetal_CullMode[pipeline->rasterizerState.cull_mode]]; [metalCommandBuffer->renderEncoder setCullMode:SDLToMetal_CullMode[pipeline->rasterizerState.cull_mode]];
[metalCommandBuffer->renderEncoder setFrontFacingWinding:SDLToMetal_FrontFace[pipeline->rasterizerState.front_face]]; [metalCommandBuffer->renderEncoder setFrontFacingWinding:SDLToMetal_FrontFace[pipeline->rasterizerState.front_face]];
#ifndef SDL_PLATFORM_VISIONOS
[metalCommandBuffer->renderEncoder setDepthClipMode:SDLToMetal_DepthClipMode(pipeline->rasterizerState.enable_depth_clip)]; [metalCommandBuffer->renderEncoder setDepthClipMode:SDLToMetal_DepthClipMode(pipeline->rasterizerState.enable_depth_clip)];
#endif
[metalCommandBuffer->renderEncoder [metalCommandBuffer->renderEncoder
setDepthBias:((rast->enable_depth_bias) ? rast->depth_bias_constant_factor : 0) setDepthBias:((rast->enable_depth_bias) ? rast->depth_bias_constant_factor : 0)
slopeScale:((rast->enable_depth_bias) ? rast->depth_bias_slope_factor : 0) slopeScale:((rast->enable_depth_bias) ? rast->depth_bias_slope_factor : 0)
@@ -4511,6 +4520,8 @@ static SDL_GPUDevice *METAL_CreateDevice(bool debugMode, bool preferLowPower, SD
} else if (@available(macOS 10.14, *)) { } else if (@available(macOS 10.14, *)) {
hasHardwareSupport = [device supportsFeatureSet:MTLFeatureSet_macOS_GPUFamily2_v1]; hasHardwareSupport = [device supportsFeatureSet:MTLFeatureSet_macOS_GPUFamily2_v1];
} }
#elif defined(SDL_PLATFORM_VISIONOS)
hasHardwareSupport = true;
#else #else
if (@available(iOS 13.0, tvOS 13.0, *)) { if (@available(iOS 13.0, tvOS 13.0, *)) {
hasHardwareSupport = [device supportsFamily:MTLGPUFamilyApple3]; hasHardwareSupport = [device supportsFamily:MTLGPUFamilyApple3];