git.cworth.org Git - vogl/blob - src/voglcommon/vogl_general_context_state.h

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  25
  26 // File: vogl_general_context_state.h
  27 #ifndef VOGL_BASIC_CONTEXT_STATE_H
  28 #define VOGL_BASIC_CONTEXT_STATE_H
  29
  30 #include "vogl_context_info.h"
  31 #include "vogl_state_vector.h"
  32 #include "vogl_blob_manager.h"
  33 #include "vogl_gl_object.h"
  34
  35 bool vogl_gl_enum_is_dependent_on_client_active_texture(GLenum enum_val);
  36 bool vogl_gl_enum_is_dependent_on_active_texture(GLenum enum_val);
  37
  38 class vogl_general_context_state : public vogl_state_vector
  39 {
  40 public:
  41     vogl_general_context_state();
  42
  43     // Snapshots current context
  44     bool snapshot(const vogl_context_info &context_info);
  45
  46     // Restores state to current context
  47     class vogl_persistent_restore_state
  48     {
  49     public:
  50         vogl_persistent_restore_state()
  51             : m_pSelect_buffer(NULL)
  52         {
  53             VOGL_FUNC_TRACER
  54         }
  55
  56         void clear()
  57         {
  58             VOGL_FUNC_TRACER
  59
  60             m_pSelect_buffer = NULL;
  61         }
  62
  63         // May be NULL, if so the selection buffer can't be restored
  64         vogl::vector<GLuint> *m_pSelect_buffer;
  65     };
  66
  67     bool restore(const vogl_context_info &context_info, vogl_handle_remapper &remapper, vogl_persistent_restore_state &persistent_state) const;
  68
  69     bool remap_handles(vogl_handle_remapper &remapper);
  70
  71 private:
  72     bool can_snapshot_state(const vogl_context_info &context_info, vogl_snapshot_context_info &context, uint get_desc_index);
  73     bool snapshot_state(const vogl_context_info &context_info, vogl_snapshot_context_info &context, uint get_desc_index, uint index, bool indexed_variant);
  74     bool restore_buffer_binding(GLenum binding_enum, GLenum set_enum, vogl_handle_remapper &remapper) const;
  75     bool restore_buffer_binding_range(GLenum binding_enum, GLenum start_enum, GLenum size_enum, GLenum set_enum, uint index, bool indexed_variant, vogl_handle_remapper &remapper) const;
  76     bool snapshot_active_queries(const vogl_context_info &context_info);
  77 };
  78
  79 class vogl_polygon_stipple_state
  80 {
  81 public:
  82     vogl_polygon_stipple_state();
  83     ~vogl_polygon_stipple_state();
  84
  85     bool snapshot(const vogl_context_info &context_info);
  86     bool restore(const vogl_context_info &context_info) const;
  87
  88     void clear();
  89
  90     bool is_valid() const
  91     {
  92         return m_valid;
  93     }
  94
  95     bool serialize(json_node &node, vogl_blob_manager &blob_manager) const;
  96     bool deserialize(const json_node &node, const vogl_blob_manager &blob_manager);
  97
  98     uint get_num_pattern_rows() const;
  99     uint32 get_pattern_row(uint rowIndex) const;
 100
 101 private:
 102     bool m_valid;
 103     uint32 m_pattern[32];
 104 };
 105
 106 #endif // VOGL_BASIC_CONTEXT_STATE_H