![]() The driver can set the maximum number of instruction slots from 512 to 32768. To indicate the maximum number of instruction slots for the pixel shader 3.0 that the device supports, the DirectX 9.0 driver for the device sets the MaxPixelShader30InstructionSlots member of the D3DCAPS9 structure to the maximum number.īecause the maximum number of instruction slots for pixel and vertex 3.0 shaders can be different, the DirectX 9.0 driver can set MaxVertexShader30InstructionSlots and MaxPixelShader30InstructionSlots to different values. To indicate the maximum number of instruction slots for the vertex shader 3.0 that the device supports, the DirectX 9.0 driver for the device sets the MaxVertexShader30InstructionSlots member of the D3DCAPS9 structure to the maximum number. ![]() However, this display device can support up to 32768 instruction slots for either shader type. A display device that supports either pixel or vertex shader version 3.0 and later must support at least 512 instruction slots for either shader type.
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