i965: Rename intel_miptree_get_dimensions_for_image()

This function isn't specific to miptrees. So, drop the "miptree"
from function name.

V3: Add a comment explaining how the 1D Array texture height and
    depth is interpreted by Intel hardware.

Signed-off-by: Anuj Phogat <[email protected]>
Reviewed-by: Chad Versace <[email protected]>

5 files changed, 14 insertions, 10 deletions

diff --git a/src/mesa/drivers/dri/i965/intel_fbo.c b/src/mesa/drivers/dri/i965/intel_fbo.c
index b2160552d33..6b2349e8b69 100644
--- a/src/mesa/drivers/dri/i965/intel_fbo.c
+++ b/src/mesa/drivers/dri/i965/intel_fbo.c
@@ -1027,7 +1027,7 @@ intel_renderbuffer_move_to_temp(struct brw_context *brw,
    uint32_t layout_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD |
                            MIPTREE_LAYOUT_TILING_ANY;
 
-   intel_miptree_get_dimensions_for_image(rb->TexImage, &width, &height, &depth);
+   intel_get_image_dims(rb->TexImage, &width, &height, &depth);
 
    new_mt = intel_miptree_create(brw, rb->TexImage->TexObject->Target,
                                  intel_image->base.Base.TexFormat,
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 4e8418e72d7..9c0304c7684 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -921,12 +921,18 @@ intel_miptree_release(struct intel_mipmap_tree **mt)
    *mt = NULL;
 }
 
+
 void
-intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
-                                       int *width, int *height, int *depth)
+intel_get_image_dims(struct gl_texture_image *image,
+                     int *width, int *height, int *depth)
 {
    switch (image->TexObject->Target) {
    case GL_TEXTURE_1D_ARRAY:
+      /* For a 1D Array texture the OpenGL API will treat the image height as
+       * the number of array slices. For Intel hardware, we treat the 1D array
+       * as a 2D Array with a height of 1. So, here we want to swap image
+       * height and depth.
+       */
       *width = image->Width;
       *height = 1;
       *depth = image->Height;
@@ -970,7 +976,7 @@ intel_miptree_match_image(struct intel_mipmap_tree *mt,
    if (image->TexFormat != mt_format)
       return false;
 
-   intel_miptree_get_dimensions_for_image(image, &width, &height, &depth);
+   intel_get_image_dims(image, &width, &height, &depth);
 
    if (mt->target == GL_TEXTURE_CUBE_MAP)
       depth = 6;
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index bd77f950cc8..7610d754451 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -619,8 +619,8 @@ intel_miptree_get_image_offset(const struct intel_mipmap_tree *mt,
 			       GLuint *x, GLuint *y);
 
 void
-intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
-                                       int *width, int *height, int *depth);
+intel_get_image_dims(struct gl_texture_image *image,
+                     int *width, int *height, int *depth);
 
 void
 intel_get_tile_masks(uint32_t tiling, uint32_t tr_mode, uint32_t cpp,
diff --git a/src/mesa/drivers/dri/i965/intel_tex_image.c b/src/mesa/drivers/dri/i965/intel_tex_image.c
index 93a8cdee0cb..34b91e823e0 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_image.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_image.c
@@ -42,8 +42,7 @@ intel_miptree_create_for_teximage(struct brw_context *brw,
    int width, height, depth;
    GLuint i;
 
-   intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
-                                          &width, &height, &depth);
+   intel_get_image_dims(&intelImage->base.Base, &width, &height, &depth);
 
    DBG("%s\n", __func__);
 
diff --git a/src/mesa/drivers/dri/i965/intel_tex_validate.c b/src/mesa/drivers/dri/i965/intel_tex_validate.c
index d3fb252b5d5..2cf9c13be33 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_validate.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_validate.c
@@ -128,8 +128,7 @@ intel_finalize_mipmap_tree(struct brw_context *brw, GLuint unit)
    /* May need to create a new tree:
     */
    if (!intelObj->mt) {
-      intel_miptree_get_dimensions_for_image(&firstImage->base.Base,
-					     &width, &height, &depth);
+      intel_get_image_dims(&firstImage->base.Base, &width, &height, &depth);
 
       perf_debug("Creating new %s %dx%dx%d %d-level miptree to handle "
                  "finalized texture miptree.\n",