src/mesa/drivers/dri/i915/intel_buffer_objects.h

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   3  * Copyright 2005 VMware, Inc.
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  16  * of the Software.
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  27
  28 #ifndef INTEL_BUFFEROBJ_H
  29 #define INTEL_BUFFEROBJ_H
  30
  31 #include "main/mtypes.h"
  32
  33 struct intel_context;
  34 struct gl_buffer_object;
  35
  36
  37 /**
  38  * Intel vertex/pixel buffer object, derived from Mesa's gl_buffer_object.
  39  */
  40 struct intel_buffer_object
  41 {
  42    struct gl_buffer_object Base;
  43    drm_intel_bo *buffer;     /* the low-level buffer manager's buffer handle */
  44    GLuint offset;            /* any offset into that buffer */
  45
  46    /** System memory buffer data, if not using a BO to store the data. */
  47    void *sys_buffer;
  48
  49    drm_intel_bo *range_map_bo;
  50    void *range_map_buffer;
  51    unsigned int range_map_offset;
  52    GLsizei range_map_size;
  53
  54    bool source;
  55 };
  56
  57
  58 /* Get the bm buffer associated with a GL bufferobject:
  59  */
  60 drm_intel_bo *intel_bufferobj_buffer(struct intel_context *intel,
  61                                      struct intel_buffer_object *obj,
  62                                      GLuint flag);
  63 drm_intel_bo *intel_bufferobj_source(struct intel_context *intel,
  64                                      struct intel_buffer_object *obj,
  65                                      GLuint align,
  66                                      GLuint *offset);
  67
  68 void intel_upload_data(struct intel_context *intel,
  69                        const void *ptr, GLuint size, GLuint align,
  70                        drm_intel_bo **return_bo,
  71                        GLuint *return_offset);
  72
  73 void intel_upload_finish(struct intel_context *intel);
  74
  75 /* Hook the bufferobject implementation into mesa:
  76  */
  77 void intelInitBufferObjectFuncs(struct dd_function_table *functions);
  78
  79 static inline struct intel_buffer_object *
  80 intel_buffer_object(struct gl_buffer_object *obj)
  81 {
  82    return (struct intel_buffer_object *) obj;
  83 }
  84
  85 #endif