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gen7 blorp depth: calculate base surface width/height 

This will be used in 3DSTATE_DEPTH_BUFFER in a later patch.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Jordan Justen 2013-07-09 15:32:42 -07:00
parent a23cfb8648
commit e3a49e1ad3
1 changed files with 13 additions and 0 deletions
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13
src/mesa/drivers/dri/i965/gen7_blorp.cpp
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@ -663,6 +663,7 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
uint32_t draw_y = params->depth.y_offset;
uint32_t tile_mask_x, tile_mask_y;
uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
uint32_t surfwidth, surfheight;
uint32_t surftype;
unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
unsigned int min_array_element;
@ -698,6 +699,18 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
lod = params->depth.level - params->depth.mt->first_level;
if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
/* HIZ ops for lod 0 may set the width & height a little
* larger to allow the fast depth clear to fit the hardware
* alignment requirements. (8x4)
*/
surfwidth = params->depth.width;
surfheight = params->depth.height;
} else {
surfwidth = params->depth.mt->physical_width0;
surfheight = params->depth.mt->physical_height0;
}
/* 3DSTATE_DEPTH_BUFFER */
{
uint32_t tile_x = draw_x & tile_mask_x;