[Mesa-dev] [PATCH 06/30] i965: Move the DRIimage -> miptree code to intel_mipmap_tree.c

Pohjolainen, Topi topi.pohjolainen at gmail.com
Wed Jun 21 19:02:35 UTC 2017


On Fri, Jun 16, 2017 at 03:41:28PM -0700, Jason Ekstrand wrote:
> This is mostly a direct port.  The only bit of refactoring that was done
> was to make creating a planar miptree be an early return from the
> non-planar case.  Alternatively, we could have three functions: two
> helpers and a main function to just call the right helper.  Making the
> planar case an early return seemed cleaner.
> ---
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 91 +++++++++++++++++++++++++
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  5 ++
>  src/mesa/drivers/dri/i965/intel_tex_image.c   | 97 +--------------------------
>  3 files changed, 97 insertions(+), 96 deletions(-)

Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

> 
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> index 101317f..023c6aa 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> @@ -27,6 +27,7 @@
>  #include <GL/internal/dri_interface.h>
>  
>  #include "intel_batchbuffer.h"
> +#include "intel_image.h"
>  #include "intel_mipmap_tree.h"
>  #include "intel_tex.h"
>  #include "intel_blit.h"
> @@ -856,6 +857,96 @@ intel_miptree_create_for_bo(struct brw_context *brw,
>     return mt;
>  }
>  
> +static struct intel_mipmap_tree *
> +miptree_create_for_planar_image(struct brw_context *brw,
> +                                __DRIimage *image, GLenum target)
> +{
> +   struct intel_image_format *f = image->planar_format;
> +   struct intel_mipmap_tree *planar_mt;
> +
> +   for (int i = 0; i < f->nplanes; i++) {
> +      const int index = f->planes[i].buffer_index;
> +      const uint32_t dri_format = f->planes[i].dri_format;
> +      const mesa_format format = driImageFormatToGLFormat(dri_format);
> +      const uint32_t width = image->width >> f->planes[i].width_shift;
> +      const uint32_t height = image->height >> f->planes[i].height_shift;
> +
> +      /* Disable creation of the texture's aux buffers because the driver
> +       * exposes no EGL API to manage them. That is, there is no API for
> +       * resolving the aux buffer's content to the main buffer nor for
> +       * invalidating the aux buffer's content.
> +       */
> +      struct intel_mipmap_tree *mt =
> +         intel_miptree_create_for_bo(brw, image->bo, format,
> +                                     image->offsets[index],
> +                                     width, height, 1,
> +                                     image->strides[index],
> +                                     MIPTREE_LAYOUT_DISABLE_AUX);
> +      if (mt == NULL)
> +         return NULL;
> +
> +      mt->target = target;
> +      mt->total_width = width;
> +      mt->total_height = height;
> +
> +      if (i == 0)
> +         planar_mt = mt;
> +      else
> +         planar_mt->plane[i - 1] = mt;
> +   }
> +
> +   return planar_mt;
> +}
> +
> +struct intel_mipmap_tree *
> +intel_miptree_create_for_dri_image(struct brw_context *brw,
> +                                   __DRIimage *image, GLenum target)
> +{
> +   if (image->planar_format && image->planar_format->nplanes > 0)
> +      return miptree_create_for_planar_image(brw, image, target);
> +
> +   if (!brw->ctx.TextureFormatSupported[image->format])
> +      return NULL;
> +
> +   /* Disable creation of the texture's aux buffers because the driver exposes
> +    * no EGL API to manage them. That is, there is no API for resolving the aux
> +    * buffer's content to the main buffer nor for invalidating the aux buffer's
> +    * content.
> +    */
> +   struct intel_mipmap_tree *mt =
> +      intel_miptree_create_for_bo(brw, image->bo, image->format,
> +                                  0, image->width, image->height, 1,
> +                                  image->pitch,
> +                                  MIPTREE_LAYOUT_DISABLE_AUX);
> +   if (mt == NULL)
> +      return NULL;
> +
> +   mt->target = target;
> +   mt->total_width = image->width;
> +   mt->total_height = image->height;
> +   mt->level[0].slice[0].x_offset = image->tile_x;
> +   mt->level[0].slice[0].y_offset = image->tile_y;
> +
> +   /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
> +    * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
> +    * trouble resolving back to destination image due to alignment issues.
> +    */
> +   if (!brw->has_surface_tile_offset) {
> +      uint32_t draw_x, draw_y;
> +      intel_miptree_get_tile_offsets(mt, 0, 0, &draw_x, &draw_y);
> +
> +      if (draw_x != 0 || draw_y != 0) {
> +         _mesa_error(&brw->ctx, GL_INVALID_OPERATION, __func__);
> +         intel_miptree_release(&mt);
> +         return NULL;
> +      }
> +   }
> +
> +   mt->offset = image->offset;
> +
> +   return mt;
> +}
> +
>  /**
>   * For a singlesample renderbuffer, this simply wraps the given BO with a
>   * miptree.
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> index f34be9a..9b6bc40 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> @@ -696,6 +696,11 @@ intel_miptree_create_for_bo(struct brw_context *brw,
>                              int pitch,
>                              uint32_t layout_flags);
>  
> +struct intel_mipmap_tree *
> +intel_miptree_create_for_dri_image(struct brw_context *brw,
> +                                   __DRIimage *image,
> +                                   GLenum target);
> +
>  void
>  intel_update_winsys_renderbuffer_miptree(struct brw_context *intel,
>                                           struct intel_renderbuffer *irb,
> diff --git a/src/mesa/drivers/dri/i965/intel_tex_image.c b/src/mesa/drivers/dri/i965/intel_tex_image.c
> index ea166f0..580e3b2 100644
> --- a/src/mesa/drivers/dri/i965/intel_tex_image.c
> +++ b/src/mesa/drivers/dri/i965/intel_tex_image.c
> @@ -201,98 +201,6 @@ intel_set_texture_image_mt(struct brw_context *brw,
>     intel_miptree_reference(&intel_texobj->mt, mt);
>  }
>  
> -static struct intel_mipmap_tree *
> -create_mt_for_planar_dri_image(struct brw_context *brw,
> -                               GLenum target, __DRIimage *image)
> -{
> -   struct intel_image_format *f = image->planar_format;
> -   struct intel_mipmap_tree *planar_mt;
> -
> -   for (int i = 0; i < f->nplanes; i++) {
> -      const int index = f->planes[i].buffer_index;
> -      const uint32_t dri_format = f->planes[i].dri_format;
> -      const mesa_format format = driImageFormatToGLFormat(dri_format);
> -      const uint32_t width = image->width >> f->planes[i].width_shift;
> -      const uint32_t height = image->height >> f->planes[i].height_shift;
> -
> -      /* Disable creation of the texture's aux buffers because the driver
> -       * exposes no EGL API to manage them. That is, there is no API for
> -       * resolving the aux buffer's content to the main buffer nor for
> -       * invalidating the aux buffer's content.
> -       */
> -      struct intel_mipmap_tree *mt =
> -         intel_miptree_create_for_bo(brw, image->bo, format,
> -                                     image->offsets[index],
> -                                     width, height, 1,
> -                                     image->strides[index],
> -                                     MIPTREE_LAYOUT_DISABLE_AUX);
> -      if (mt == NULL)
> -         return NULL;
> -
> -      mt->target = target;
> -      mt->total_width = width;
> -      mt->total_height = height;
> -
> -      if (i == 0)
> -         planar_mt = mt;
> -      else
> -         planar_mt->plane[i - 1] = mt;
> -   }
> -
> -   return planar_mt;
> -}
> -
> -/**
> - * Binds a BO to a texture image, as if it was uploaded by glTexImage2D().
> - *
> - * Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
> - */
> -static struct intel_mipmap_tree *
> -create_mt_for_dri_image(struct brw_context *brw,
> -                        GLenum target, __DRIimage *image)
> -{
> -   struct gl_context *ctx = &brw->ctx;
> -   struct intel_mipmap_tree *mt;
> -   uint32_t draw_x, draw_y;
> -
> -   if (!ctx->TextureFormatSupported[image->format])
> -      return NULL;
> -
> -   /* Disable creation of the texture's aux buffers because the driver exposes
> -    * no EGL API to manage them. That is, there is no API for resolving the aux
> -    * buffer's content to the main buffer nor for invalidating the aux buffer's
> -    * content.
> -    */
> -   mt = intel_miptree_create_for_bo(brw, image->bo, image->format,
> -                                    0, image->width, image->height, 1,
> -                                    image->pitch,
> -                                    MIPTREE_LAYOUT_DISABLE_AUX);
> -   if (mt == NULL)
> -      return NULL;
> -
> -   mt->target = target;
> -   mt->total_width = image->width;
> -   mt->total_height = image->height;
> -   mt->level[0].slice[0].x_offset = image->tile_x;
> -   mt->level[0].slice[0].y_offset = image->tile_y;
> -
> -   intel_miptree_get_tile_offsets(mt, 0, 0, &draw_x, &draw_y);
> -
> -   /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
> -    * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
> -    * trouble resolving back to destination image due to alignment issues.
> -    */
> -   if (!brw->has_surface_tile_offset &&
> -       (draw_x != 0 || draw_y != 0)) {
> -      _mesa_error(&brw->ctx, GL_INVALID_OPERATION, __func__);
> -      intel_miptree_release(&mt);
> -      return NULL;
> -   }
> -
> -   mt->offset = image->offset;
> -
> -   return mt;
> -}
>  
>  void
>  intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
> @@ -435,10 +343,7 @@ intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
>        return;
>     }
>  
> -   if (image->planar_format && image->planar_format->nplanes > 0)
> -      mt = create_mt_for_planar_dri_image(brw, target, image);
> -   else
> -      mt = create_mt_for_dri_image(brw, target, image);
> +   mt = intel_miptree_create_for_dri_image(brw, image, target);
>     if (mt == NULL)
>        return;
>  
> -- 
> 2.5.0.400.gff86faf
> 
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