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i965: Add layer_count to intel_renderbuffer

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This is the effective layer count, for clears etc. This differs from the
depth of the miptree level when views are involved.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Forbes 2014-01-21 21:45:28 +13:00
parent 0a08147fcb
commit 98328e4c19
2 changed files with 13 additions and 0 deletions
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10
src/mesa/drivers/dri/i965/intel_fbo.c
View file

@ -319,6 +319,8 @@ intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer
if (!irb->mt)
return false;
irb->layer_count = 1;
return true;
}
@ -383,6 +385,7 @@ intel_image_target_renderbuffer_storage(struct gl_context *ctx,
rb->Format = image->format;
rb->_BaseFormat = _mesa_base_fbo_format(ctx, image->internal_format);
rb->NeedsFinishRenderTexture = true;
irb->layer_count = 1;
}
/**
@ -435,6 +438,7 @@ intel_create_renderbuffer(mesa_format format, unsigned num_samples)
}
rb = &irb->Base.Base;
irb->layer_count = 1;
_mesa_init_renderbuffer(rb, 0);
rb->ClassID = INTEL_RB_CLASS;
@ -532,6 +536,12 @@ intel_renderbuffer_update_wrapper(struct brw_context *brw,
irb->mt_layer = layer_multiplier * layer;
if (layered) {
irb->layer_count = image->TexObject->NumLayers ?: mt->level[level].depth / layer_multiplier;
} else {
irb->layer_count = 1;
}
intel_miptree_reference(&irb->mt, mt);
intel_renderbuffer_set_draw_offset(irb);

3
src/mesa/drivers/dri/i965/intel_fbo.h
View file

@ -90,6 +90,9 @@ struct intel_renderbuffer
*/
unsigned int mt_level;
unsigned int mt_layer;
/* The number of attached logical layers. */
unsigned int layer_count;
/** \} */
GLuint draw_x, draw_y; /**< Offset of drawing within the region */