英文:
Textures With Indirect Command Buffer
问题
我使用 drawIndexedPrimitives 函数来渲染，该函数有以下参数：primitiveType（图元类型）、indexType（索引类型）、indexBuffer（索引缓冲区）、indexBufferOffset（索引缓冲区偏移量）、indirectBuffer（间接缓冲区）和indirectBufferOffset（间接缓冲区偏移量）。当我使用参数缓冲区来设置纹理（例如，用于片段着色器）时，一切都正常。但是否有一种方法可以在不使用参数缓冲区的情况下设置纹理？参数缓冲区是唯一的方式吗？当与参数缓冲区一起使用时，事情进展顺利。
英文:
I render with func drawIndexedPrimitives( type primitiveType: MTLPrimitiveType, indexType: MTLIndexType, indexBuffer: MTLBuffer, indexBufferOffset: Int, indirectBuffer: MTLBuffer, indirectBufferOffset: Int ), when I use Argument Buffer to set textures（e.g. to fragnent shader）, everything is fine. But is there a way to set textures without Argument Buffer? Argument Buffer is the only way?
When used with Argument Buffer, things go well.
答案1
得分: 1
No, there's no other way. If you are using indirect command buffers, you have to get textures through argument buffers.
If you look at the API on the CPU:
MTLIndirectRenderCommandonly hassetVertexBufferandsetFragmentBuffer.MTLIndirectComputeCommandonly hassetKernelBuffer
and on the GPU:
render_commandonly hasset_vertex_buferandset_fragment_buffercompute_commandonly hasset_kernel_bufer.
英文:
No, there's no other way. If you are using indirect command buffers, you have to get textures through argument buffers.
If you look at the API on the CPU:
MTLIndirectRenderCommandonly hassetVertexBufferandsetFragmentBuffer.MTLIndirectComputeCommandonly hassetKernelBuffer
and on the GPU:
render_commandonly hasset_vertex_buferandset_fragment_buffercompute_commandonly hasset_kernel_bufer.
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