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gen7 depth surface: calculate LOD being rendered to 

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 15:19:55 -07:00
parent bc1acaa426
commit 08ef1dde1b
2 changed files with 6 additions and 0 deletions
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3
src/mesa/drivers/dri/i965/gen7_blorp.cpp
View File

@ -666,6 +666,7 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
uint32_t surftype;
unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
GLenum gl_target = params->depth.mt->target;
unsigned int lod;
brw_get_depthstencil_tile_masks(params->depth.mt,
params->depth.level,
@ -688,6 +689,8 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
break;
}
lod = params->depth.level - params->depth.mt->first_level;
/* 3DSTATE_DEPTH_BUFFER */
{
uint32_t tile_x = draw_x & tile_mask_x;

3
src/mesa/drivers/dri/i965/gen7_misc_state.c
View File

@ -46,6 +46,7 @@ gen7_emit_depth_stencil_hiz(struct brw_context *brw,
uint32_t surftype;
unsigned int depth = 1;
GLenum gl_target = GL_TEXTURE_2D;
unsigned int lod;
const struct intel_renderbuffer *irb = NULL;
const struct gl_renderbuffer *rb = NULL;
@ -78,6 +79,8 @@ gen7_emit_depth_stencil_hiz(struct brw_context *brw,
break;
}
lod = irb ? irb->mt_level - irb->mt->first_level : 0;
/* _NEW_DEPTH, _NEW_STENCIL, _NEW_BUFFERS */
BEGIN_BATCH(7);
OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));