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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2006 VMware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef INTEL_IMAGE_H
  29. #define INTEL_IMAGE_H
  30.  
  31. /** @file intel_image.h
  32.  *
  33.  * Structure definitions and prototypes for __DRIimage, the driver-private
  34.  * structure backing EGLImage or a drawable in DRI3.
  35.  *
  36.  * The __DRIimage is passed around the loader code (src/glx and src/egl), but
  37.  * it's opaque to that code and may only be accessed by loader extensions
  38.  * (mostly located in intel_screen.c).
  39.  */
  40.  
  41. #include <stdbool.h>
  42. #include <xf86drm.h>
  43.  
  44. #include "main/mtypes.h"
  45. #include "intel_bufmgr.h"
  46. #include <GL/internal/dri_interface.h>
  47.  
  48. #ifdef __cplusplus
  49. extern "C" {
  50. #endif
  51.  
  52. /**
  53.  * Used with images created with image_from_names
  54.  * to help support planar images.
  55.  */
  56. struct intel_image_format {
  57.    int fourcc;
  58.    int components;
  59.    int nplanes;
  60.    struct {
  61.       int buffer_index;
  62.       int width_shift;
  63.       int height_shift;
  64.       uint32_t dri_format;
  65.       int cpp;
  66.    } planes[3];
  67. };
  68.  
  69. struct __DRIimageRec {
  70.    drm_intel_bo *bo;
  71.    uint32_t pitch; /**< in bytes */
  72.    GLenum internal_format;
  73.    uint32_t dri_format;
  74.    GLuint format;
  75.    uint32_t offset;
  76.  
  77.    /*
  78.     * Need to save these here between calls to
  79.     * image_from_names and calls to image_from_planar.
  80.     */
  81.    uint32_t strides[3];
  82.    uint32_t offsets[3];
  83.    struct intel_image_format *planar_format;
  84.  
  85.    /* particular miptree level */
  86.    GLuint width;
  87.    GLuint height;
  88.    GLuint tile_x;
  89.    GLuint tile_y;
  90.    bool has_depthstencil;
  91.  
  92.    /** The image was created with EGL_EXT_image_dma_buf_import. */
  93.    bool dma_buf_imported;
  94.  
  95.    /**
  96.     * Provided by EGL_EXT_image_dma_buf_import.
  97.     * \{
  98.     */
  99.    enum __DRIYUVColorSpace yuv_color_space;
  100.    enum __DRISampleRange sample_range;
  101.    enum __DRIChromaSiting horizontal_siting;
  102.    enum __DRIChromaSiting vertical_siting;
  103.    /* \} */
  104.  
  105.    void *data;
  106. };
  107.  
  108. #ifdef __cplusplus
  109. }
  110. #endif
  111.  
  112. #endif
  113.