[Mesa-dev] [PATCH v3 6/6] intel: Create a miptree using offsets in intel_set_texture_image_region

[Abdiel Janulgue]

When binding a region to a texture image, re-create the miptree base-level
considering the offset and dimension information exported by DRIImage.

Signed-off-by: Abdiel Janulgue <abdiel.janul...@linux.intel.com>
---
 src/mesa/drivers/dri/intel/intel_tex_image.c |   27 ++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_tex_image.c 
b/src/mesa/drivers/dri/intel/intel_tex_image.c
index 7361e6a..b27a979 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_image.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_image.c
@@ -256,7 +256,13 @@ intel_set_texture_image_region(struct gl_context *ctx,
                               GLenum target,
                               GLenum internalFormat,
                               gl_format format,
-                               uint32_t offset)
+                               uint32_t offset,
+                               GLuint width,
+                               GLuint height,
+                               GLuint level_x,
+                               GLuint level_y,
+                               GLuint slice_x_offset,
+                               GLuint slice_y_offset)
 {
    struct intel_context *intel = intel_context(ctx);
    struct intel_texture_image *intel_image = intel_texture_image(image);
@@ -264,14 +270,17 @@ intel_set_texture_image_region(struct gl_context *ctx,
    struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
 
    _mesa_init_teximage_fields(&intel->ctx, image,
-                             region->width, region->height, 1,
+                             width, height, 1,
                              0, internalFormat, format);
 
    ctx->Driver.FreeTextureImageBuffer(ctx, image);
 
-   intel_image->mt = intel_miptree_create_for_region(intel, target,
+   intel_image->mt = intel_miptree_create_for_offset(intel, target,
                                                     image->TexFormat,
-                                                    region);
+                                                    region, width,
+                                                     height, level_x,
+                                                     level_y, slice_x_offset,
+                                                     slice_y_offset);
    if (intel_image->mt == NULL)
        return;
    intel_texobj->needs_validate = true;
@@ -332,7 +341,10 @@ intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
    _mesa_lock_texture(&intel->ctx, texObj);
    texImage = _mesa_get_tex_image(ctx, texObj, target, level);
    intel_set_texture_image_region(ctx, texImage, rb->mt->region, target,
-                                 internalFormat, texFormat, 0);
+                                 internalFormat, texFormat, 0,
+                                  rb->mt->region->width,
+                                 rb->mt->region->height,
+                                 0, 0, 0, 0);
    _mesa_unlock_texture(&intel->ctx, texObj);
 }
 
@@ -363,7 +375,10 @@ intel_image_target_texture_2d(struct gl_context *ctx, 
GLenum target,
 
    intel_set_texture_image_region(ctx, texImage, image->region,
                                  target, image->internal_format,
-                                  image->format, image->offset);
+                                  image->format, image->offset,
+                                  image->width,  image->height,
+                                  image->level_x, image->level_y,
+                                  image->slice_x_offset, 
image->slice_y_offset);
 }
 
 void
-- 
1.7.9.5

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