GrGLSLProgramDataManager.h 3.3 KB

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  1. /*
  2. * Copyright 2015 Google Inc.
  3. *
  4. * Use of this source code is governed by a BSD-style license that can be
  5. * found in the LICENSE file.
  6. */
  7. #ifndef GrGLSLProgramDataManager_DEFINED
  8. #define GrGLSLProgramDataManager_DEFINED
  9. #include "include/core/SkTypes.h"
  10. #include "include/private/SkNoncopyable.h"
  11. #include "src/gpu/GrResourceHandle.h"
  12. class SkMatrix;
  13. class SkMatrix44;
  14. /** Manages the resources used by a shader program.
  15. * The resources are objects the program uses to communicate with the
  16. * application code.
  17. */
  18. class GrGLSLProgramDataManager : SkNoncopyable {
  19. public:
  20. GR_DEFINE_RESOURCE_HANDLE_CLASS(UniformHandle);
  21. virtual ~GrGLSLProgramDataManager() {}
  22. /** Functions for uploading uniform values. The varities ending in v can be used to upload to an
  23. * array of uniforms. arrayCount must be <= the array count of the uniform.
  24. */
  25. virtual void set1i(UniformHandle, int32_t) const = 0;
  26. virtual void set1iv(UniformHandle, int arrayCount, const int v[]) const = 0;
  27. virtual void set1f(UniformHandle, float v0) const = 0;
  28. virtual void set1fv(UniformHandle, int arrayCount, const float v[]) const = 0;
  29. virtual void set2i(UniformHandle, int32_t, int32_t) const = 0;
  30. virtual void set2iv(UniformHandle, int arrayCount, const int v[]) const = 0;
  31. virtual void set2f(UniformHandle, float, float) const = 0;
  32. virtual void set2fv(UniformHandle, int arrayCount, const float v[]) const = 0;
  33. virtual void set3i(UniformHandle, int32_t, int32_t, int32_t) const = 0;
  34. virtual void set3iv(UniformHandle, int arrayCount, const int v[]) const = 0;
  35. virtual void set3f(UniformHandle, float, float, float) const = 0;
  36. virtual void set3fv(UniformHandle, int arrayCount, const float v[]) const = 0;
  37. virtual void set4i(UniformHandle, int32_t, int32_t, int32_t, int32_t) const = 0;
  38. virtual void set4iv(UniformHandle, int arrayCount, const int v[]) const = 0;
  39. virtual void set4f(UniformHandle, float, float, float, float) const = 0;
  40. virtual void set4fv(UniformHandle, int arrayCount, const float v[]) const = 0;
  41. // matrices are column-major, the first three upload a single matrix, the latter three upload
  42. // arrayCount matrices into a uniform array.
  43. virtual void setMatrix2f(UniformHandle, const float matrix[]) const = 0;
  44. virtual void setMatrix3f(UniformHandle, const float matrix[]) const = 0;
  45. virtual void setMatrix4f(UniformHandle, const float matrix[]) const = 0;
  46. virtual void setMatrix2fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
  47. virtual void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
  48. virtual void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
  49. // convenience method for uploading a SkMatrix to a 3x3 matrix uniform
  50. void setSkMatrix(UniformHandle, const SkMatrix&) const;
  51. // convenience method for uploading a SkMatrix to a 4x4 matrix uniform
  52. void setSkMatrix44(UniformHandle, const SkMatrix44&) const;
  53. // for nvpr only
  54. GR_DEFINE_RESOURCE_HANDLE_CLASS(VaryingHandle);
  55. virtual void setPathFragmentInputTransform(VaryingHandle u, int components,
  56. const SkMatrix& matrix) const = 0;
  57. protected:
  58. GrGLSLProgramDataManager() {}
  59. private:
  60. typedef SkNoncopyable INHERITED;
  61. };
  62. #endif