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support dynamic uniform buffers on metal

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This commit is contained in:
Gregory Wells
2025-07-23 16:36:39 -04:00
parent bb19d855f5
commit 3661e39ac1
3 changed files with 56 additions and 14 deletions
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14
projects/apis/metal/src/uniforms/metal_uniform.h
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@@ -8,6 +8,8 @@ typedef struct metalUniformBinding {
gnUniformType type;
uint32_t binding;
void* data;
gnBool isDynamic;
} metalUniformBinding;
typedef id<MTLResource> mtlResource;
@@ -17,13 +19,21 @@ typedef struct gnPlatformUniform_t {
gnShaderModuleStage stageUsed[MAX_METAL_BINDINGS];
id<MTLArgumentEncoder> encoders[mtlMaxStage];
id<MTLBuffer> argumentBuffers[mtlMaxStage];
mtlResource usedResources[MAX_METAL_BINDINGS];
int indexMap[MAX_METAL_BINDINGS];
uint32_t usedResourceCount;
gnBool isDynamic[MAX_METAL_BINDINGS];
} gnPlatformUniform;
void updateMetalBufferUniform(gnUniform uniform, gnBufferUniformInfo* info);
void updateMetalStorageUniform(gnUniform uniform, gnStorageUniformInfo* info);
void updateMetalImageUniform(gnUniform uniform, gnImageUniformInfo* info);
typedef struct mtlBufferUniformInfo {
gnBufferUniformInfo* baseInfo;
id<MTLBuffer> buffer;
} mtlBufferUniformInfo;
void mtlUpdateMetalBufferUniform(gnUniformHandle uniform, mtlBufferUniformInfo* info);