src/gallium/drivers/radeon/AMDIL7XXDevice.h

   1 //==-- AMDIL7XXDevice.h - Define 7XX Device Device for AMDIL ---*- C++ -*--===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //==-----------------------------------------------------------------------===//
   9 //
  10 // Interface for the subtarget data classes.
  11 //
  12 //===----------------------------------------------------------------------===//
  13 // This file will define the interface that each generation needs to
  14 // implement in order to correctly answer queries on the capabilities of the
  15 // specific hardware.
  16 //===----------------------------------------------------------------------===//
  17 #ifndef _AMDIL7XXDEVICEIMPL_H_
  18 #define _AMDIL7XXDEVICEIMPL_H_
  19 #include "AMDILDevice.h"
  20
  21 namespace llvm {
  22 class AMDGPUSubtarget;
  23
  24 //===----------------------------------------------------------------------===//
  25 // 7XX generation of devices and their respective sub classes
  26 //===----------------------------------------------------------------------===//
  27
  28 // The AMDGPU7XXDevice class represents the generic 7XX device. All 7XX
  29 // devices are derived from this class. The AMDGPU7XX device will only
  30 // support the minimal features that are required to be considered OpenCL 1.0
  31 // compliant and nothing more.
  32 class AMDGPU7XXDevice : public AMDGPUDevice {
  33 public:
  34   AMDGPU7XXDevice(AMDGPUSubtarget *ST);
  35   virtual ~AMDGPU7XXDevice();
  36   virtual size_t getMaxLDSSize() const;
  37   virtual size_t getWavefrontSize() const;
  38   virtual uint32_t getGeneration() const;
  39   virtual uint32_t getResourceID(uint32_t DeviceID) const;
  40   virtual uint32_t getMaxNumUAVs() const;
  41
  42 protected:
  43   virtual void setCaps();
  44 }; // AMDGPU7XXDevice
  45
  46 // The AMDGPU770Device class represents the RV770 chip and it's
  47 // derivative cards. The difference between this device and the base
  48 // class is this device device adds support for double precision
  49 // and has a larger wavefront size.
  50 class AMDGPU770Device : public AMDGPU7XXDevice {
  51 public:
  52   AMDGPU770Device(AMDGPUSubtarget *ST);
  53   virtual ~AMDGPU770Device();
  54   virtual size_t getWavefrontSize() const;
  55 private:
  56   virtual void setCaps();
  57 }; // AMDGPU770Device
  58
  59 // The AMDGPU710Device class derives from the 7XX base class, but this
  60 // class is a smaller derivative, so we need to overload some of the
  61 // functions in order to correctly specify this information.
  62 class AMDGPU710Device : public AMDGPU7XXDevice {
  63 public:
  64   AMDGPU710Device(AMDGPUSubtarget *ST);
  65   virtual ~AMDGPU710Device();
  66   virtual size_t getWavefrontSize() const;
  67 }; // AMDGPU710Device
  68
  69 } // namespace llvm
  70 #endif // _AMDILDEVICEIMPL_H_