| 0,0 → 1,106 |
|---|
| /* |
| * Copyright © 2013 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| * Authors: |
| * Wang Zhenyu <zhenyu.z.wang@intel.com> |
| * Keith Packard <keithp@keithp.com> |
| * Zhao Yakui <yakui.zhao@intel.com> |
| */ |
| |
| /* Sample the src surface in planar format */ |
| |
| include(`exa_wm.g4i') |
| |
| /* Ivybridge uses GRFs in SEND instruction */ |
| define(`src_msg_gen8', `g65') |
| define(`src_msg_ind_gen8',`65') |
| /* UV flag */ |
| define(`uv_flag', `g6.0<0,1,0>UW') |
| |
| /* prepare sampler read back gX register, which would be written back to output */ |
| |
| /* use simd16 sampler, param 0 is u, param 1 is v. */ |
| /* 'payload' loading, assuming tex coord start from g4 */ |
| cmp.e.f0.0 (1) null uv_flag 0x1UW {align1}; |
| (f0.0) jmpi INTERLEAVED_UV; |
| |
| cmp.e.f0.0 (1) null uv_flag 0x2UW {align1}; |
| (f0.0) jmpi CONSTANT_UV; |
| |
| /* load r */ |
| mov (1) g0.8<1>UD 0x0000e000UD { align1 mask_disable }; |
| mov (8) src_msg_gen8<1>UD g0<8,8,1>UD { align1 mask_disable }; |
| |
| /* emit sampler 'send' cmd */ |
| |
| /* sample U (Cr) */ |
| send (16) src_msg_ind_gen8 /* msg reg index */ |
| src_sample_g<1>UW /* readback */ |
| null |
| sampler (3,2,F) /* sampler message description, (binding_table,sampler_index,datatype) |
| /* here(src->dst) we should use src_sampler and src_surface */ |
| mlen 5 rlen 2 { align1 }; /* required message len 5, readback len 8 */ |
| |
| /* sample V (Cb) */ |
| mov (1) g0.8<1>UD 0x0000e000UD { align1 mask_disable }; |
| mov (8) src_msg_gen8<1>UD g0<8,8,1>UD { align1 mask_disable }; |
| |
| send (16) src_msg_ind_gen8 /* msg reg index */ |
| src_sample_b<1>UW /* readback */ |
| null |
| sampler (5,4,F) /* sampler message description, (binding_table,sampler_index,datatype) |
| /* here(src->dst) we should use src_sampler and src_surface */ |
| mlen 5 rlen 2 { align1 }; /* required message len 5, readback len 8 */ |
| |
| jmpi SAMPLE_Y; |
| |
| CONSTANT_UV: |
| mov (16) src_sample_g<1>f 0.5f { compr align1 mask_disable }; |
| mov (16) src_sample_b<1>f 0.5f { compr align1 mask_disable }; |
| |
| jmpi SAMPLE_Y; |
| |
| INTERLEAVED_UV: |
| mov (1) g0.8<1>UD 0x0000c000UD { align1 mask_disable }; |
| mov (8) src_msg_gen8<1>UD g0<8,8,1>UD { align1 mask_disable }; |
| |
| /* sample UV (CrCb) */ |
| send (16) src_msg_ind_gen8 /* msg reg index */ |
| src_sample_g<1>UW /* readback */ |
| null |
| sampler (3,2,F) /* sampler message description, (binding_table,sampler_index,datatype) |
| /* here(src->dst) we should use src_sampler and src_surface */ |
| mlen 5 rlen 4 { align1 }; /* required message len 5, readback len 8 */ |
| |
| |
| SAMPLE_Y: |
| mov (1) g0.8<1>UD 0x0000e000UD { align1 mask_disable }; |
| mov (8) src_msg_gen8<1>UD g0<8,8,1>UD { align1 mask_disable }; |
| |
| /* sample Y */ |
| send (16) src_msg_ind_gen8 /* msg reg index */ |
| src_sample_r<1>UW /* readback */ |
| null |
| sampler (1,0,F) /* sampler message description, (binding_table,sampler_index,datatype) |
| /* here(src->dst) we should use src_sampler and src_surface */ |
| mlen 5 rlen 2 { align1 }; /* required message len 5, readback len 8 */ |
| |