diff options
Diffstat (limited to 'sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_nv12t_yuv420_y_neon.s')
| -rw-r--r-- | sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_nv12t_yuv420_y_neon.s | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_nv12t_yuv420_y_neon.s b/sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_nv12t_yuv420_y_neon.s deleted file mode 100644 index a378579..0000000 --- a/sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_nv12t_yuv420_y_neon.s +++ /dev/null @@ -1,680 +0,0 @@ -/* - * - * Copyright 2011 Samsung Electronics S.LSI Co. LTD - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * @file csc_nv12t_yuv420_y_neon.s - * @brief SEC_OMX specific define - * @author ShinWon Lee (shinwon.lee@samsung.com) - * @version 1.0 - * @history - * 2011.7.01 : Create - */ - -/* - * Converts tiled data to linear. - * 1. Y of NV12T to Y of YUV420P - * 2. Y of NV12T to Y of YUV420S - * 3. UV of NV12T to UV of YUV420S - * - * @param yuv420_dest - * Y or UV plane address of YUV420[out] - * - * @param nv12t_src - * Y or UV plane address of NV12T[in] - * - * @param yuv420_width - * Width of YUV420[in] - * - * @param yuv420_height - * Y: Height of YUV420, UV: Height/2 of YUV420[in] - */ - - .arch armv7-a - .text - .global csc_tiled_to_linear_neon - .type csc_tiled_to_linear_neon, %function -csc_tiled_to_linear_neon: - .fnstart - - @r0 linear_dest - @r1 tiled_src - @r2 linear_x_size - @r3 linear_y_size - @r4 j - @r5 i - @r6 tiled_addr - @r7 linear_addr - @r8 aligned_x_size - @r9 aligned_y_size - @r10 temp1 - @r11 temp2 - @r12 temp3 - @r14 temp4 - - stmfd sp!, {r4-r12,r14} @ backup registers - - mov r8, #0 - cmp r2, #1024 - blt LINEAR_X_SIZE_512 - -LINEAR_X_SIZE_1024: - - mov r5, #0 -LINEAR_X_SIZE_1024_LOOP: - mov r6, #0 @ tiled_offset = 0@ - mov r4, r5, asr #5 @ tiled_y_index = i>>5@ - and r10, r4, #0x1 - cmp r10, #0x1 - bne LINEAR_X_SIZE_1024_LOOP_EVEN -LINEAR_X_SIZE_1024_LOOP_ODD: - sub r6, r4, #1 @ tiled_offset = tiled_y_index-1@ - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_offset*(temp1>>6)@ - mul r6, r6, r10 - mov r4, #8 - mov r4, r4, lsl #11 - sub r4, r4, #32 - add r6, r6, #2 @ tiled_offset = tiled_offset+2@ - mov r6, r6, lsl #11 @ tiled_offset = tiled_offset<<11@ - add r11, r6, #2048 - add r12, r6, #4096 - add r14, r6, #6144 - b LINEAR_X_SIZE_1024_LOOP_MEMCPY - -LINEAR_X_SIZE_1024_LOOP_EVEN: - add r11, r3, #31 @ temp2 = ((linear_y_size+31)>>5)<<5@ - bic r11, r11, #0x1F - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_y_index*(temp1>>6)@ - mul r6, r4, r10 - add r12, r5, #32 - cmp r12, r11 - mov r6, r6, lsl #11 @ tiled_offset = tiled_offset<<11@ - add r11, r6, #2048 - movlt r4, #8 - addlt r12, r6, #12288 - addlt r14, r6, #14336 - movge r4, #4 - addge r12, r6, #4096 - addge r14, r6, #6144 - mov r4, r4, lsl #11 - sub r4, r4, #32 - -LINEAR_X_SIZE_1024_LOOP_MEMCPY: - and r10, r5, #0x1F - mov r10, r10, lsl #6 - add r10, r1, r10 - - add r6, r6, r10 @ tiled_addr = tiled_src+64*(temp1) - add r11, r11, r10 @ tiled_addr1 = tiled_src+64*(temp1) - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - add r12, r12, r10 @ tiled_addr2 = tiled_src+64*(temp1) - vld1.8 {q2, q3}, [r6], r4 - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - add r14, r14, r10 @ tiled_addr3 = tiled_src+64*(temp1) - vld1.8 {q6, q7}, [r11], r4 - pld [r14] - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - mul r7, r2, r5 - vld1.8 {q10, q11}, [r12], r4 - add r7, r7, r0 - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14], r4 - - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - pld [r6] - vst1.8 {q12, q13}, [r7]! - pld [r6, #32] - vst1.8 {q14, q15}, [r7]! - - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - vld1.8 {q2, q3}, [r6], r4 - - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - vld1.8 {q6, q7}, [r11], r4 - pld [r14] - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - vld1.8 {q10, q11}, [r12], r4 - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14], r4 - - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - pld [r6] - vst1.8 {q12, q13}, [r7]! - pld [r6, #32] - vst1.8 {q14, q15}, [r7]! - - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - vld1.8 {q2, q3}, [r6], r4 - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - vld1.8 {q6, q7}, [r11], r4 - pld [r14] - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - vld1.8 {q10, q11}, [r12], r4 - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14], r4 - - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - pld [r6] - vst1.8 {q12, q13}, [r7]! - pld [r6, #32] - vst1.8 {q14, q15}, [r7]! - - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - vld1.8 {q2, q3}, [r6] - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - vld1.8 {q6, q7}, [r11] - pld [r14] - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - vld1.8 {q10, q11}, [r12] - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14] - - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - add r5, #1 - vst1.8 {q12, q13}, [r7]! - cmp r5, r3 - vst1.8 {q14, q15}, [r7]! - - blt LINEAR_X_SIZE_1024_LOOP - - mov r8, #1024 - -LINEAR_X_SIZE_512: - - sub r14, r2, r8 - cmp r14, #512 - blt LINEAR_X_SIZE_256 - - mov r5, #0 -LINEAR_X_SIZE_512_LOOP: - mov r6, #0 - mov r4, r5, asr #5 @ tiled_y_index = i>>5 - and r10, r4, #0x1 - cmp r10, #0x1 - bne LINEAR_X_SIZE_512_LOOP_EVEN - -LINEAR_X_SIZE_512_LOOP_ODD: - sub r6, r4, #1 - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_offset*(temp1>>6)@ - mul r6, r6, r10 - mov r4, #8 - mov r4, r4, lsl #11 - sub r4, r4, #32 - add r6, r6, #2 @ tiled_offset = tiled_offset+2@ - mov r10, r8, asr #5 @ temp1 = aligned_x_size>>5@ - add r6, r6, r10 @ tiled_offset = tiled_offset+temp1@ - mov r6, r6, lsl #11 - add r11, r6, #2048 - add r12, r6, #4096 - add r14, r6, #6144 - b LINEAR_X_SIZE_512_LOOP_MEMCPY - -LINEAR_X_SIZE_512_LOOP_EVEN: - add r11, r3, #31 @ temp2 = ((linear_y_size+31)>>5)<<5@ - bic r11, r11, #0x1F - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_y_index*(temp1>>6)@ - mul r6, r4, r10 - add r12, r5, #32 - cmp r12, r11 - mov r6, r6, lsl #11 @ tiled_offset = tiled_offset<<11@ - movlt r4, #8 - movlt r10, r8, asr #5 @ temp1 = aligned_x_size>>5@ - movge r10, r8, asr #6 @ temp1 = aligned_x_size>>6@ - add r6, r6, r10, lsl #11 @ tiled_offset = tiled_offset+(temp1<<11)@ - add r11, r6, #2048 - addlt r12, r6, #12288 - addlt r14, r6, #14336 - movge r4, #4 - addge r12, r6, #4096 - addge r14, r6, #6144 - mov r4, r4, lsl #11 - sub r4, r4, #32 - -LINEAR_X_SIZE_512_LOOP_MEMCPY: - and r10, r5, #0x1F - mov r10, r10, lsl #6 - add r10, r1, r10 - - add r6, r6, r10 @ tiled_addr = tiled_src+64*(temp1) - add r11, r11, r10 @ tiled_addr1 = tiled_src+64*(temp1) - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - add r12, r12, r10 @ tiled_addr2 = tiled_src+64*(temp1) - vld1.8 {q2, q3}, [r6], r4 - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - add r14, r14, r10 @ tiled_addr3 = tiled_src+64*(temp1) - vld1.8 {q6, q7}, [r11], r4 - pld [r14] - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - mul r7, r2, r5 - vld1.8 {q10, q11}, [r12], r4 - add r7, r7, r8 - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14], r4 - - add r7, r7, r0 - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - pld [r6] - vst1.8 {q12, q13}, [r7]! - pld [r6, #32] - vst1.8 {q14, q15}, [r7]! - - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - vld1.8 {q2, q3}, [r6], r4 - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - vld1.8 {q6, q7}, [r11], r4 - pld [r14] - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - vld1.8 {q10, q11}, [r12], r4 - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14], r4 - - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - add r5, #1 - vst1.8 {q12, q13}, [r7]! - cmp r5, r3 - vst1.8 {q14, q15}, [r7]! - - blt LINEAR_X_SIZE_512_LOOP - - add r8, r8, #512 - -LINEAR_X_SIZE_256: - - sub r14, r2, r8 - cmp r14, #256 - blt LINEAR_X_SIZE_128 - - mov r5, #0 -LINEAR_X_SIZE_256_LOOP: - mov r6, #0 - mov r4, r5, asr #5 @ tiled_y_index = i>>5 - and r10, r4, #0x1 - cmp r10, #0x1 - bne LINEAR_X_SIZE_256_LOOP_EVEN - -LINEAR_X_SIZE_256_LOOP_ODD: - sub r6, r4, #1 - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_offset*(temp1>>6)@ - mul r6, r6, r10 - add r6, r6, #2 @ tiled_offset = tiled_offset+2@ - mov r10, r8, asr #5 @ temp1 = aligned_x_size>>5@ - add r6, r6, r10 @ tiled_offset = tiled_offset+temp1@ - mov r6, r6, lsl #11 - add r11, r6, #2048 - add r12, r6, #4096 - add r14, r6, #6144 - b LINEAR_X_SIZE_256_LOOP_MEMCPY - -LINEAR_X_SIZE_256_LOOP_EVEN: - add r11, r3, #31 @ temp2 = ((linear_y_size+31)>>5)<<5@ - bic r11, r11, #0x1F - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_y_index*(temp1>>6)@ - mul r6, r4, r10 - mov r6, r6, lsl #11 @ tiled_offset = tiled_offset<<11@ - add r12, r5, #32 - cmp r12, r11 - movlt r10, r8, asr #5 @ temp1 = aligned_x_size>>5@ - movge r10, r8, asr #6 @ temp1 = aligned_x_size>>6@ - add r6, r6, r10, lsl #11 @ tiled_offset = tiled_offset+(temp1<<11)@ - add r11, r6, #2048 - addlt r12, r6, #12288 - addlt r14, r6, #14336 - addge r12, r6, #4096 - addge r14, r6, #6144 - -LINEAR_X_SIZE_256_LOOP_MEMCPY: - and r10, r5, #0x1F - mov r10, r10, lsl #6 - add r10, r1, r10 - - add r6, r6, r10 @ tiled_addr = tiled_src+64*(temp1) - add r11, r11, r10 @ tiled_addr1 = tiled_src+64*(temp1) - pld [r11] - vld1.8 {q0, q1}, [r6]! - pld [r11, #32] - add r12, r12, r10 @ tiled_addr2 = tiled_src+64*(temp1) - vld1.8 {q2, q3}, [r6] - pld [r12] - vld1.8 {q4, q5}, [r11]! - pld [r12, #32] - add r14, r14, r10 @ tiled_addr3 = tiled_src+64*(temp1) - vld1.8 {q6, q7}, [r11] - pld [r14] - mul r7, r2, r5 - vld1.8 {q8, q9}, [r12]! - pld [r14, #32] - add r7, r7, r8 - vld1.8 {q10, q11}, [r12] - add r7, r7, r0 - vld1.8 {q12, q13}, [r14]! - vld1.8 {q14, q15}, [r14] - - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7]! - add r5, #1 - vst1.8 {q12, q13}, [r7]! - cmp r5, r3 - vst1.8 {q14, q15}, [r7]! - - blt LINEAR_X_SIZE_256_LOOP - - add r8, r8, #256 - -LINEAR_X_SIZE_128: - - sub r14, r2, r8 - cmp r14, #128 - blt LINEAR_X_SIZE_64 - - mov r5, #0 -LINEAR_X_SIZE_128_LOOP: - mov r6, #0 - mov r4, r5, asr #5 @ tiled_y_index = i>>5 - and r10, r4, #0x1 - cmp r10, #0x1 - bne LINEAR_X_SIZE_128_LOOP_EVEN - -LINEAR_X_SIZE_128_LOOP_ODD: - sub r6, r4, #1 - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_offset*(temp1>>6)@ - mul r6, r6, r10 - add r6, r6, #2 @ tiled_offset = tiled_offset+2@ - mov r10, r8, asr #5 @ temp1 = aligned_x_size>>5@ - add r6, r6, r10 @ tiled_offset = tiled_offset+temp1@ - mov r6, r6, lsl #11 - add r11, r6, #2048 - b LINEAR_X_SIZE_128_LOOP_MEMCPY - -LINEAR_X_SIZE_128_LOOP_EVEN: - add r11, r3, #31 @ temp2 = ((linear_y_size+31)>>5)<<5@ - bic r11, r11, #0x1F - add r10, r2, #127 @ temp1 = ((linear_x_size+127)>>7)<<7@ - bic r10, #0x7F - mov r10, r10, asr #6 @ tiled_offset = tiled_y_index*(temp1>>6)@ - mul r6, r4, r10 - mov r6, r6, lsl #11 @ tiled_offset = tiled_offset<<11@ - add r12, r5, #32 - cmp r12, r11 - movlt r10, r8, asr #5 @ temp1 = aligned_x_size>>5@ - movge r10, r8, asr #6 @ temp1 = aligned_x_size>>6@ - add r6, r6, r10, lsl #11 @ tiled_offset = tiled_offset+(temp1<<11)@ - add r11, r6, #2048 - -LINEAR_X_SIZE_128_LOOP_MEMCPY: - and r10, r5, #0x1F - mov r10, r10, lsl #6 - add r10, r1, r10 - - add r6, r6, r10 @ tiled_addr = tiled_src+64*(temp1) - add r11, r11, r10 @ tiled_addr1 = tiled_src+64*(temp1) - pld [r6, #64] - vld1.8 {q0, q1}, [r6]! - pld [r6, #64] - vld1.8 {q2, q3}, [r6]! - mul r7, r2, r5 - pld [r11] - vld1.8 {q4, q5}, [r6]! - add r7, r7, r8 - pld [r11, #32] - vld1.8 {q6, q7}, [r6] - add r7, r7, r0 - pld [r11, #64] - vld1.8 {q8, q9}, [r11]! - pld [r11, #64] - vld1.8 {q10, q11}, [r11]! - vld1.8 {q12, q13}, [r11]! - vld1.8 {q14, q15}, [r11] - - sub r9, r2, #96 - vst1.8 {q0, q1}, [r7]! - vst1.8 {q2, q3}, [r7]! - vst1.8 {q8, q9}, [r7]! - vst1.8 {q10, q11}, [r7], r9 - vst1.8 {q4, q5}, [r7]! - vst1.8 {q6, q7}, [r7]! - add r5, #2 - vst1.8 {q12, q13}, [r7]! - cmp r5, r3 - vst1.8 {q14, q15}, [r7] - - blt LINEAR_X_SIZE_128_LOOP - - add r8, r8, #128 - -LINEAR_X_SIZE_64: - - sub r14, r2, r8 - cmp r14, #64 - blt LINEAR_X_SIZE_4 - - mov r5, #0 - mov r4, r8 - -LINEAR_X_SIZE_64_LOOP: - - bl GET_TILED_OFFSET - - add r6, r1, r6 @ tiled_addr = tiled_src+tiled_addr - and r11, r5, #0x1F @ temp2 = i&0x1F - mov r11, r11, lsl #6 @ temp2 = 64*temp2 - add r6, r6, r11 @ tiled_addr = tiled_addr+temp2 - - pld [r6, #64] - vld1.8 {q0, q1}, [r6]! @ store {tiled_addr} - mul r10, r2, r5 @ temp1 = linear_x_size*(i) - pld [r6, #64] - vld1.8 {q2, q3}, [r6]! - pld [r6, #64] - vld1.8 {q4, q5}, [r6]! @ store {tiled_addr+64*1} - pld [r6, #64] - vld1.8 {q6, q7}, [r6]! - pld [r6, #64] - vld1.8 {q8, q9}, [r6]! @ store {tiled_addr+64*2} - pld [r6, #64] - vld1.8 {q10, q11}, [r6]! - add r7, r0, r4 @ linear_addr = linear_dest+j - vld1.8 {q12, q13}, [r6]! @ store {tiled_addr+64*3} - add r7, r7, r10 @ linear_addr = linear_addr+temp1 - vld1.8 {q14, q15}, [r6]! - sub r10, r2, #32 @ temp1 = linear_x_size-32 - - vst1.8 {q0, q1}, [r7]! @ load {linear_src, 64} - vst1.8 {q2, q3}, [r7], r10 - vst1.8 {q4, q5}, [r7]! @ load {linear_src+linear_x_size*1, 64} - vst1.8 {q6, q7}, [r7], r10 - vst1.8 {q8, q9}, [r7]! @ load {linear_src+linear_x_size*2, 64} - vst1.8 {q10, q11}, [r7], r10 - add r5, #4 - vst1.8 {q12, q13}, [r7]! @ load {linear_src+linear_x_size*3, 64} - cmp r5, r3 - vst1.8 {q14, q15}, [r7], r10 - - blt LINEAR_X_SIZE_64_LOOP - - add r8, r8, #64 - -LINEAR_X_SIZE_4: - cmp r8, r2 - beq RESTORE_REG - - mov r5, #0 @ i = 0 -LINEAR_Y_SIZE_4_LOOP: - - mov r4, r8 @ j = aligned_x_size -LINEAR_X_SIZE_4_LOOP: - - bl GET_TILED_OFFSET - - and r10, r5, #0x1F @ temp1 = i&0x1F - and r11, r4, #0x3F @ temp2 = j&0x3F - - add r6, r6, r1 - add r6, r6, r11 - add r6, r6, r10, lsl #6 - - ldr r10, [r6], #64 - add r7, r0, r4 - ldr r11, [r6], #64 - mul r9, r2, r5 - ldr r12, [r6], #64 - add r7, r7, r9 - ldr r14, [r6], #64 - - str r10, [r7], r2 - str r11, [r7], r2 - str r12, [r7], r2 - str r14, [r7], r2 - - add r4, r4, #4 @ j = j+4 - cmp r4, r2 @ j<linear_x_size - blt LINEAR_X_SIZE_4_LOOP - - add r5, r5, #4 @ i = i+4 - cmp r5, r3 @ i<linear_y_size - blt LINEAR_Y_SIZE_4_LOOP - -RESTORE_REG: - ldmfd sp!, {r4-r12,r15} @ restore registers - -GET_TILED_OFFSET: - - mov r11, r5, asr #5 @ temp2 = i>>5 - mov r10, r4, asr #6 @ temp1 = j>>6 - - and r12, r11, #0x1 @ if (temp2 & 0x1) - cmp r12, #0x1 - bne GET_TILED_OFFSET_EVEN_FORMULA_1 - -GET_TILED_OFFSET_ODD_FORMULA: - sub r6, r11, #1 @ tiled_addr = temp2-1 - add r12, r2, #127 @ temp3 = linear_x_size+127 - bic r12, r12, #0x7F @ temp3 = (temp3 >>7)<<7 - mov r12, r12, asr #6 @ temp3 = temp3>>6 - mul r6, r6, r12 @ tiled_addr = tiled_addr*temp3 - add r6, r6, r10 @ tiled_addr = tiled_addr+temp1 - add r6, r6, #2 @ tiled_addr = tiled_addr+2 - bic r12, r10, #0x3 @ temp3 = (temp1>>2)<<2 - add r6, r6, r12 @ tiled_addr = tiled_addr+temp3 - mov r6, r6, lsl #11 @ tiled_addr = tiled_addr<<11 - b GET_TILED_OFFSET_RETURN - -GET_TILED_OFFSET_EVEN_FORMULA_1: - add r12, r3, #31 @ temp3 = linear_y_size+31 - bic r12, r12, #0x1F @ temp3 = (temp3>>5)<<5 - sub r12, r12, #32 @ temp3 = temp3 - 32 - cmp r5, r12 @ if (i<(temp3-32)) { - bge GET_TILED_OFFSET_EVEN_FORMULA_2 - add r12, r10, #2 @ temp3 = temp1+2 - bic r12, r12, #3 @ temp3 = (temp3>>2)<<2 - add r6, r10, r12 @ tiled_addr = temp1+temp3 - add r12, r2, #127 @ temp3 = linear_x_size+127 - bic r12, r12, #0x7F @ temp3 = (temp3>>7)<<7 - mov r12, r12, asr #6 @ temp3 = temp3>>6 - mul r11, r11, r12 @ tiled_y_index = tiled_y_index*temp3 - add r6, r6, r11 @ tiled_addr = tiled_addr+tiled_y_index - mov r6, r6, lsl #11 @ - b GET_TILED_OFFSET_RETURN - -GET_TILED_OFFSET_EVEN_FORMULA_2: - add r12, r2, #127 @ temp3 = linear_x_size+127 - bic r12, r12, #0x7F @ temp3 = (temp3>>7)<<7 - mov r12, r12, asr #6 @ temp3 = temp3>>6 - mul r6, r11, r12 @ tiled_addr = temp2*temp3 - add r6, r6, r10 @ tiled_addr = tiled_addr+temp3 - mov r6, r6, lsl #11 @ tiled_addr = tiled_addr<<11@ - -GET_TILED_OFFSET_RETURN: - mov pc, lr - .fnend - |