source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copyframe_func_neon.asm - Issue 478033002: libvpx: Pull from upstream

Side by Side Diff: source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copyframe_func_neon.asm

Issue 478033002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 6 years, 4 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch | Annotate | Revision Log

OLD	NEW
	(Empty)
1 ;

2 ; Copyright (c) 2010 The WebM project authors. All Rights Reserved.

3 ;

4 ; Use of this source code is governed by a BSD-style license

5 ; that can be found in the LICENSE file in the root of the source

6 ; tree. An additional intellectual property rights grant can be found

7 ; in the file PATENTS. All contributing project authors may

8 ; be found in the AUTHORS file in the root of the source tree.

9 ;

10

11

12 EXPORT \|vp8_yv12_copy_frame_func_neon\|

13 ARM

14 REQUIRE8

15 PRESERVE8

16

17 INCLUDE vpx_scale_asm_offsets.asm

18

19 AREA \|\|.text\|\|, CODE, READONLY, ALIGN=2

20

21 ;void vp8_yv12_copy_frame_func_neon(const YV12_BUFFER_CONFIG *src_ybc,

22 ; YV12_BUFFER_CONFIG *dst_ybc);

23

24 \|vp8_yv12_copy_frame_func_neon\| PROC

25 push {r4 - r11, lr}

26 vpush {d8 - d15}

27

28 sub sp, sp, #16

29

30 ;Copy Y plane

31 ldr r8, [r0, #yv12_buffer_config_u_buffer] ;srcptr1

32 ldr r9, [r1, #yv12_buffer_config_u_buffer] ;srcptr1

33 ldr r10, [r0, #yv12_buffer_config_v_buffer] ;srcptr1

34 ldr r11, [r1, #yv12_buffer_config_v_buffer] ;srcptr1

35

36 ldr r4, [r0, #yv12_buffer_config_y_height]

37 ldr r5, [r0, #yv12_buffer_config_y_width]

38 ldr r6, [r0, #yv12_buffer_config_y_stride]

39 ldr r7, [r1, #yv12_buffer_config_y_stride]

40 ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1

41 ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1

42

43 str r8, [sp]

44 str r9, [sp, #4]

45 str r10, [sp, #8]

46 str r11, [sp, #12]

47

48 ; copy two rows at one time

49 mov lr, r4, lsr #1

50

51 cp_src_to_dst_height_loop

52 mov r8, r2

53 mov r9, r3

54 add r10, r2, r6

55 add r11, r3, r7

56 movs r12, r5, lsr #7

57 ble extra_cp_needed ; y_width < 128

58

59 cp_src_to_dst_width_loop

60 vld1.8 {q0, q1}, [r8]!

61 vld1.8 {q8, q9}, [r10]!

62 vld1.8 {q2, q3}, [r8]!

63 vld1.8 {q10, q11}, [r10]!

64 vld1.8 {q4, q5}, [r8]!

65 vld1.8 {q12, q13}, [r10]!

66 vld1.8 {q6, q7}, [r8]!

67 vld1.8 {q14, q15}, [r10]!

68

69 subs r12, r12, #1

70

71 vst1.8 {q0, q1}, [r9]!

72 vst1.8 {q8, q9}, [r11]!

73 vst1.8 {q2, q3}, [r9]!

74 vst1.8 {q10, q11}, [r11]!

75 vst1.8 {q4, q5}, [r9]!

76 vst1.8 {q12, q13}, [r11]!

77 vst1.8 {q6, q7}, [r9]!

78 vst1.8 {q14, q15}, [r11]!

79

80 bne cp_src_to_dst_width_loop

81

82 subs lr, lr, #1

83 add r2, r2, r6, lsl #1

84 add r3, r3, r7, lsl #1

85

86 bne cp_src_to_dst_height_loop

87

88 extra_cp_needed

89 ands r10, r5, #0x7f ;check to see if extra copy is needed

90 sub r11, r5, r10

91 ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1

92 ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1

93 bne extra_cp_src_to_dst_width

94 end_of_cp_src_to_dst

95

96 ;Copy U & V planes

97 ldr r2, [sp] ;srcptr1

98 ldr r3, [sp, #4] ;dstptr1

99 mov r4, r4, lsr #1 ;src uv_height

100 mov r5, r5, lsr #1 ;src uv_width

101 mov r6, r6, lsr #1 ;src uv_stride

102 mov r7, r7, lsr #1 ;dst uv_stride

103

104 mov r1, #2

105

106 cp_uv_loop

107

108 ;copy two rows at one time

109 mov lr, r4, lsr #1

110

111 cp_src_to_dst_height_uv_loop

112 mov r8, r2

113 mov r9, r3

114 add r10, r2, r6

115 add r11, r3, r7

116 movs r12, r5, lsr #6

117 ble extra_uv_cp_needed

118

119 cp_src_to_dst_width_uv_loop

120 vld1.8 {q0, q1}, [r8]!

121 vld1.8 {q8, q9}, [r10]!

122 vld1.8 {q2, q3}, [r8]!

123 vld1.8 {q10, q11}, [r10]!

124

125 subs r12, r12, #1

126

127 vst1.8 {q0, q1}, [r9]!

128 vst1.8 {q8, q9}, [r11]!

129 vst1.8 {q2, q3}, [r9]!

130 vst1.8 {q10, q11}, [r11]!

131

132 bne cp_src_to_dst_width_uv_loop

133

134 subs lr, lr, #1

135 add r2, r2, r6, lsl #1

136 add r3, r3, r7, lsl #1

137

138 bne cp_src_to_dst_height_uv_loop

139

140 extra_uv_cp_needed

141 ands r10, r5, #0x3f ;check to see if extra copy is needed

142 sub r11, r5, r10

143 ldr r2, [sp] ;srcptr1

144 ldr r3, [sp, #4] ;dstptr1

145 bne extra_cp_src_to_dst_uv_width

146 end_of_cp_src_to_dst_uv

147

148 subs r1, r1, #1

149

150 addne sp, sp, #8

151

152 ldrne r2, [sp] ;srcptr1

153 ldrne r3, [sp, #4] ;dstptr1

154

155 bne cp_uv_loop

156

157 add sp, sp, #8

158

159 vpop {d8 - d15}

160 pop {r4 - r11, pc}

161

162 ;=============================

163 extra_cp_src_to_dst_width

164 add r2, r2, r11

165 add r3, r3, r11

166 add r0, r8, r6

167 add r11, r9, r7

168

169 mov lr, r4, lsr #1

170 extra_cp_src_to_dst_height_loop

171 mov r8, r2

172 mov r9, r3

173 add r0, r8, r6

174 add r11, r9, r7

175

176 mov r12, r10

177

178 extra_cp_src_to_dst_width_loop

179 vld1.8 {q0}, [r8]!

180 vld1.8 {q1}, [r0]!

181

182 subs r12, r12, #16

183

184 vst1.8 {q0}, [r9]!

185 vst1.8 {q1}, [r11]!

186 bne extra_cp_src_to_dst_width_loop

187

188 subs lr, lr, #1

189

190 add r2, r2, r6, lsl #1

191 add r3, r3, r7, lsl #1

192

193 bne extra_cp_src_to_dst_height_loop

194

195 b end_of_cp_src_to_dst

196

197 ;=================================

198 extra_cp_src_to_dst_uv_width

199 add r2, r2, r11

200 add r3, r3, r11

201 add r0, r8, r6

202 add r11, r9, r7

203

204 mov lr, r4, lsr #1

205 extra_cp_src_to_dst_height_uv_loop

206 mov r8, r2

207 mov r9, r3

208 add r0, r8, r6

209 add r11, r9, r7

210

211 mov r12, r10

212

213 extra_cp_src_to_dst_width_uv_loop

214 vld1.8 {d0}, [r8]!

215 vld1.8 {d1}, [r0]!

216

217 subs r12, r12, #8

218

219 vst1.8 {d0}, [r9]!

220 vst1.8 {d1}, [r11]!

221 bne extra_cp_src_to_dst_width_uv_loop

222

223 subs lr, lr, #1

224

225 add r2, r2, r6, lsl #1

226 add r3, r3, r7, lsl #1

227

228 bne extra_cp_src_to_dst_height_uv_loop

229

230 b end_of_cp_src_to_dst_uv

231

232 ENDP

233 END

OLD	NEW

« no previous file with comments | « source/libvpx/vpx_ports/x86.h ('k') | source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copysrcframe_func_neon.asm » ('j') | no next file with comments »