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- #ifndef ANDROID_RS_SAMPLER_H
- #define ANDROID_RS_SAMPLER_H
- #include "rsAllocation.h"
- #include <vector>
- namespace android {
- namespace renderscript {
- const static uint32_t RS_MAX_SAMPLER_SLOT = 16;
- class SamplerState;
- class Sampler : public ObjectBase {
- public:
- struct Hal {
- mutable void *drv;
- struct State {
- RsSamplerValue magFilter;
- RsSamplerValue minFilter;
- RsSamplerValue wrapS;
- RsSamplerValue wrapT;
- RsSamplerValue wrapR;
- float aniso;
- };
- State state;
- };
- Hal mHal;
- void operator delete(void* ptr);
- static ObjectBaseRef<Sampler> getSampler(Context *,
- RsSamplerValue magFilter,
- RsSamplerValue minFilter,
- RsSamplerValue wrapS,
- RsSamplerValue wrapT,
- RsSamplerValue wrapR,
- float aniso = 1.0f);
- void bindToContext(SamplerState *, uint32_t slot);
- void unbindFromContext(SamplerState *);
- virtual void serialize(Context *rsc, OStream *stream) const;
- virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_SAMPLER; }
- static Sampler *createFromStream(Context *rsc, IStream *stream);
- protected:
- int32_t mBoundSlot;
- virtual void preDestroy() const;
- virtual ~Sampler();
- private:
- explicit Sampler(Context *);
- Sampler(Context *,
- RsSamplerValue magFilter,
- RsSamplerValue minFilter,
- RsSamplerValue wrapS,
- RsSamplerValue wrapT,
- RsSamplerValue wrapR,
- float aniso = 1.0f);
- };
- class SamplerState {
- public:
- ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
- void init(Context *rsc) {
- }
- void deinit(Context *rsc) {
- for (uint32_t i = 0; i < RS_MAX_SAMPLER_SLOT; i ++) {
- mSamplers[i].clear();
- }
- }
-
- std::vector<Sampler *> mAllSamplers;
- };
- }
- }
- #endif
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