src/mesa/drivers/dri/i965/intel_regions.h

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  27
  28 #ifndef INTEL_REGIONS_H
  29 #define INTEL_REGIONS_H
  30
  31 /** @file intel_regions.h
  32  *
  33  * Structure definitions and prototypes for intel_region handling,
  34  * which is the basic structure for rectangular collections of pixels
  35  * stored in a drm_intel_bo.
  36  */
  37
  38 #include <stdbool.h>
  39 #include <xf86drm.h>
  40
  41 #include "main/mtypes.h"
  42 #include "intel_bufmgr.h"
  43 #include <GL/internal/dri_interface.h>
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 /**
  50  * Used with images created with image_from_names
  51  * to help support planar images.
  52  */
  53 struct intel_image_format {
  54    int fourcc;
  55    int components;
  56    int nplanes;
  57    struct {
  58       int buffer_index;
  59       int width_shift;
  60       int height_shift;
  61       uint32_t dri_format;
  62       int cpp;
  63    } planes[3];
  64 };
  65
  66 struct __DRIimageRec {
  67    drm_intel_bo *bo;
  68    uint32_t pitch; /**< in bytes */
  69    GLenum internal_format;
  70    uint32_t dri_format;
  71    GLuint format;
  72    uint32_t offset;
  73
  74    /*
  75     * Need to save these here between calls to
  76     * image_from_names and calls to image_from_planar.
  77     */
  78    uint32_t strides[3];
  79    uint32_t offsets[3];
  80    struct intel_image_format *planar_format;
  81
  82    /* particular miptree level */
  83    GLuint width;
  84    GLuint height;
  85    GLuint tile_x;
  86    GLuint tile_y;
  87    bool has_depthstencil;
  88
  89    /**
  90     * Provided by EGL_EXT_image_dma_buf_import.
  91     *
  92     * The flag is set in order to restrict the use of the image later on.
  93     *
  94     * See intel_image_target_texture_2d()
  95     */
  96    bool dma_buf_imported;
  97    enum __DRIYUVColorSpace yuv_color_space;
  98    enum __DRISampleRange sample_range;
  99    enum __DRIChromaSiting horizontal_siting;
 100    enum __DRIChromaSiting vertical_siting;
 101
 102    void *data;
 103 };
 104
 105 #ifdef __cplusplus
 106 }
 107 #endif
 108
 109 #endif