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i915g: handle seperate stencil clear

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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2011-09-25 18:49:02 +02:00
parent ce775dc1b6
commit 530728fb60
1 changed files with 10 additions and 0 deletions
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10
src/gallium/drivers/i915/i915_clear.c
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@ -105,6 +105,16 @@ i915_clear_emit(struct pipe_context *pipe, unsigned buffers,
clear_depth = (packed_z_stencil & 0xffff) | (packed_z_stencil << 16);
depth_clear_bbp = 16;
}
} else if (buffers & PIPE_CLEAR_DEPTH) {
struct pipe_surface *zbuf = i915->framebuffer.zsbuf;
clear_params |= CLEARPARAM_WRITE_STENCIL;
depth_tex = i915_texture(zbuf->texture);
assert(depth_tex->b.b.format == PIPE_FORMAT_Z24_UNORM_S8_USCALED);
packed_z_stencil = util_pack_z_stencil(depth_tex->b.b.format, depth, stencil);
depth_clear_bbp = 32;
clear_stencil = packed_z_stencil & 0xff;
}
/* hw can't fastclear both depth and color if their bbp mismatch. */