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-rw-r--r--meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch27
-rw-r--r--meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch245
-rw-r--r--meta-oe/recipes-support/opencv/opencv_3.2.bb2
3 files changed, 274 insertions, 0 deletions
diff --git a/meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch b/meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch
new file mode 100644
index 0000000000..507d7968a0
--- /dev/null
+++ b/meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch
@@ -0,0 +1,27 @@
1From 69f9707678190f6a0948a547dce948251f972676 Mon Sep 17 00:00:00 2001
2From: Randy MacLeod <Randy.MacLeod@windriver.com>
3Date: Wed, 26 Apr 2017 14:57:30 -0400
4Subject: [PATCH 1/2] Revert "cuda: fix fp16 compilation"
5
6This reverts commit 12e00827be40576b686ea4438a6e6ef85208743d.
7---
8 modules/core/include/opencv2/core/cvdef.h | 3 +--
9 1 file changed, 1 insertion(+), 2 deletions(-)
10
11diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
12index 699b166..efc24ca 100644
13--- a/modules/core/include/opencv2/core/cvdef.h
14+++ b/modules/core/include/opencv2/core/cvdef.h
15@@ -303,8 +303,7 @@ enum CpuFeatures {
16 #define CV_2PI 6.283185307179586476925286766559
17 #define CV_LOG2 0.69314718055994530941723212145818
18
19-#if defined __ARM_FP16_FORMAT_IEEE \
20- && !defined __CUDACC__
21+#if defined (__ARM_FP16_FORMAT_IEEE)
22 # define CV_FP16_TYPE 1
23 #else
24 # define CV_FP16_TYPE 0
25--
262.9.3
27
diff --git a/meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch b/meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch
new file mode 100644
index 0000000000..d1950a9361
--- /dev/null
+++ b/meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch
@@ -0,0 +1,245 @@
1From 9108e39e5584ef9b41f80751639b4ec72b3e9538 Mon Sep 17 00:00:00 2001
2From: Randy MacLeod <Randy.MacLeod@windriver.com>
3Date: Wed, 26 Apr 2017 15:00:32 -0400
4Subject: [PATCH 2/2] Revert "check FP16 build condition correctly"
5
6This reverts commit c7cb116dc08441fe56cf82d5b21f929e5b674c13.
7
8Fix up revert conflicts to take previous behaviour.
9---
10 cmake/OpenCVCompilerOptions.cmake | 45 +++++++++--------------
11 modules/core/include/opencv2/core/cvdef.h | 2 +-
12 modules/core/src/convert.cpp | 11 +++---
13 modules/core/test/test_intrin.cpp | 60 ++++++++++++++-----------------
14 4 files changed, 48 insertions(+), 70 deletions(-)
15
16diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
17index 5bb0479..4b19fdb 100644
18--- a/cmake/OpenCVCompilerOptions.cmake
19+++ b/cmake/OpenCVCompilerOptions.cmake
20@@ -185,7 +185,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
21 add_extra_compiler_option("-mfp16-format=ieee")
22 endif(ARM)
23 if(ENABLE_NEON)
24- add_extra_compiler_option("-mfpu=neon")
25+ add_extra_compiler_option("-mfpu=neon-fp16")
26 endif()
27 if(ENABLE_VFPV3 AND NOT ENABLE_NEON)
28 add_extra_compiler_option("-mfpu=vfpv3")
29@@ -370,34 +370,6 @@ if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_OPENCV_GCC_VERSION_NUM GREATER 399)
30 add_extra_compiler_option(-fvisibility-inlines-hidden)
31 endif()
32
33-if(NOT OPENCV_FP16_DISABLE AND NOT IOS)
34- if(ARM AND ENABLE_NEON)
35- set(FP16_OPTION "-mfpu=neon-fp16")
36- elseif((X86 OR X86_64) AND NOT MSVC AND ENABLE_AVX)
37- set(FP16_OPTION "-mf16c")
38- endif()
39- try_compile(__VALID_FP16
40- "${OpenCV_BINARY_DIR}"
41- "${OpenCV_SOURCE_DIR}/cmake/checks/fp16.cpp"
42- COMPILE_DEFINITIONS "-DCHECK_FP16" "${FP16_OPTION}"
43- OUTPUT_VARIABLE TRY_OUT
44- )
45- if(NOT __VALID_FP16)
46- if((X86 OR X86_64) AND NOT MSVC AND NOT ENABLE_AVX)
47- # GCC enables AVX when mf16c is passed
48- message(STATUS "FP16: Feature disabled")
49- else()
50- message(STATUS "FP16: Compiler support is not available")
51- endif()
52- else()
53- message(STATUS "FP16: Compiler support is available")
54- set(HAVE_FP16 1)
55- if(NOT ${FP16_OPTION} STREQUAL "")
56- add_extra_compiler_option(${FP16_OPTION})
57- endif()
58- endif()
59-endif()
60-
61 #combine all "extra" options
62 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_C_FLAGS}")
63 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}")
64@@ -450,6 +422,21 @@ if(MSVC)
65 endif()
66 endif()
67
68+if(NOT OPENCV_FP16_DISABLE)
69+ try_compile(__VALID_FP16
70+ "${OpenCV_BINARY_DIR}"
71+ "${OpenCV_SOURCE_DIR}/cmake/checks/fp16.cpp"
72+ COMPILE_DEFINITIONS "-DCHECK_FP16"
73+ OUTPUT_VARIABLE TRY_OUT
74+ )
75+ if(NOT __VALID_FP16)
76+ message(STATUS "FP16: Compiler support is not available")
77+ else()
78+ message(STATUS "FP16: Compiler support is available")
79+ set(HAVE_FP16 1)
80+ endif()
81+endif()
82+
83 if(APPLE AND NOT CMAKE_CROSSCOMPILING AND NOT DEFINED ENV{LDFLAGS} AND EXISTS "/usr/local/lib")
84 link_directories("/usr/local/lib")
85 endif()
86diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
87index efc24ca..a10936b 100644
88--- a/modules/core/include/opencv2/core/cvdef.h
89+++ b/modules/core/include/opencv2/core/cvdef.h
90@@ -312,7 +312,7 @@ enum CpuFeatures {
91 typedef union Cv16suf
92 {
93 short i;
94-#if CV_FP16_TYPE
95+#if ( defined (__arm__) || defined (__aarch64__) ) && !defined (__CUDACC__) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) )
96 __fp16 h;
97 #endif
98 struct _fp16Format
99diff --git a/modules/core/src/convert.cpp b/modules/core/src/convert.cpp
100index e04d89e..46db26f 100644
101--- a/modules/core/src/convert.cpp
102+++ b/modules/core/src/convert.cpp
103@@ -44,7 +44,6 @@
104 #include "precomp.hpp"
105
106 #include "opencl_kernels_core.hpp"
107-#include "opencv2/core/hal/intrin.hpp"
108
109 #include "opencv2/core/openvx/ovx_defs.hpp"
110
111@@ -4382,7 +4381,7 @@ struct Cvt_SIMD<float, int>
112
113 #endif
114
115-#if !CV_FP16_TYPE
116+#if !( ( defined (__arm__) || defined (__aarch64__) ) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) ) )
117 // const numbers for floating points format
118 const unsigned int kShiftSignificand = 13;
119 const unsigned int kMaskFp16Significand = 0x3ff;
120@@ -4390,7 +4389,7 @@ const unsigned int kBiasFp16Exponent = 15;
121 const unsigned int kBiasFp32Exponent = 127;
122 #endif
123
124-#if CV_FP16_TYPE
125+#if ( defined (__arm__) || defined (__aarch64__) ) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) )
126 static float convertFp16SW(short fp16)
127 {
128 // Fp16 -> Fp32
129@@ -4452,7 +4451,7 @@ static float convertFp16SW(short fp16)
130 }
131 #endif
132
133-#if CV_FP16_TYPE
134+#if ( defined (__arm__) || defined (__aarch64__) ) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) )
135 static short convertFp16SW(float fp32)
136 {
137 // Fp32 -> Fp16
138@@ -4560,7 +4559,7 @@ cvtScaleHalf_<float, short>( const float* src, size_t sstep, short* dst, size_t
139 if ( ( (intptr_t)dst & 0xf ) == 0 )
140 #endif
141 {
142-#if CV_FP16 && CV_SIMD128
143+#if CV_FP16
144 for ( ; x <= size.width - 4; x += 4)
145 {
146 v_float32x4 v_src = v_load(src + x);
147@@ -4606,7 +4605,7 @@ cvtScaleHalf_<short, float>( const short* src, size_t sstep, float* dst, size_t
148 if ( ( (intptr_t)src & 0xf ) == 0 )
149 #endif
150 {
151-#if CV_FP16 && CV_SIMD128
152+#if CV_FP16
153 for ( ; x <= size.width - 4; x += 4)
154 {
155 v_float16x4 v_src = v_load_f16(src + x);
156diff --git a/modules/core/test/test_intrin.cpp b/modules/core/test/test_intrin.cpp
157index 66b2083..7349d48 100644
158--- a/modules/core/test/test_intrin.cpp
159+++ b/modules/core/test/test_intrin.cpp
160@@ -729,56 +729,48 @@ template<typename R> struct TheTest
161 return *this;
162 }
163
164+#if CV_FP16
165 TheTest & test_loadstore_fp16()
166 {
167-#if CV_FP16
168 AlignedData<R> data;
169 AlignedData<R> out;
170
171- if(checkHardwareSupport(CV_CPU_FP16))
172- {
173- // check if addresses are aligned and unaligned respectively
174- EXPECT_EQ((size_t)0, (size_t)&data.a.d % 16);
175- EXPECT_NE((size_t)0, (size_t)&data.u.d % 16);
176- EXPECT_EQ((size_t)0, (size_t)&out.a.d % 16);
177- EXPECT_NE((size_t)0, (size_t)&out.u.d % 16);
178-
179- // check some initialization methods
180- R r1 = data.u;
181- R r2 = v_load_f16(data.a.d);
182- R r3(r2);
183- EXPECT_EQ(data.u[0], r1.get0());
184- EXPECT_EQ(data.a[0], r2.get0());
185- EXPECT_EQ(data.a[0], r3.get0());
186-
187- // check some store methods
188- out.a.clear();
189- v_store_f16(out.a.d, r1);
190- EXPECT_EQ(data.a, out.a);
191- }
192+ // check if addresses are aligned and unaligned respectively
193+ EXPECT_EQ((size_t)0, (size_t)&data.a.d % 16);
194+ EXPECT_NE((size_t)0, (size_t)&data.u.d % 16);
195+ EXPECT_EQ((size_t)0, (size_t)&out.a.d % 16);
196+ EXPECT_NE((size_t)0, (size_t)&out.u.d % 16);
197+
198+ // check some initialization methods
199+ R r1 = data.u;
200+ R r2 = v_load_f16(data.a.d);
201+ R r3(r2);
202+ EXPECT_EQ(data.u[0], r1.get0());
203+ EXPECT_EQ(data.a[0], r2.get0());
204+ EXPECT_EQ(data.a[0], r3.get0());
205+
206+ // check some store methods
207+ out.a.clear();
208+ v_store_f16(out.a.d, r1);
209+ EXPECT_EQ(data.a, out.a);
210
211 return *this;
212-#endif
213 }
214
215 TheTest & test_float_cvt_fp16()
216 {
217-#if CV_FP16
218 AlignedData<v_float32x4> data;
219
220- if(checkHardwareSupport(CV_CPU_FP16))
221- {
222- // check conversion
223- v_float32x4 r1 = v_load(data.a.d);
224- v_float16x4 r2 = v_cvt_f16(r1);
225- v_float32x4 r3 = v_cvt_f32(r2);
226- EXPECT_EQ(0x3c00, r2.get0());
227- EXPECT_EQ(r3.get0(), r1.get0());
228- }
229+ // check conversion
230+ v_float32x4 r1 = v_load(data.a.d);
231+ v_float16x4 r2 = v_cvt_f16(r1);
232+ v_float32x4 r3 = v_cvt_f32(r2);
233+ EXPECT_EQ(0x3c00, r2.get0());
234+ EXPECT_EQ(r3.get0(), r1.get0());
235
236 return *this;
237-#endif
238 }
239+#endif
240
241 };
242
243--
2442.9.3
245
diff --git a/meta-oe/recipes-support/opencv/opencv_3.2.bb b/meta-oe/recipes-support/opencv/opencv_3.2.bb
index 2cff212ab0..98b6b06529 100644
--- a/meta-oe/recipes-support/opencv/opencv_3.2.bb
+++ b/meta-oe/recipes-support/opencv/opencv_3.2.bb
@@ -27,6 +27,8 @@ SRC_URI = "git://github.com/opencv/opencv.git;name=opencv \
27 file://fixpkgconfig.patch \ 27 file://fixpkgconfig.patch \
28 file://uselocalxfeatures.patch;patchdir=../contrib/ \ 28 file://uselocalxfeatures.patch;patchdir=../contrib/ \
29 file://useoeprotobuf.patch;patchdir=../contrib/ \ 29 file://useoeprotobuf.patch;patchdir=../contrib/ \
30 file://0001-Revert-cuda-fix-fp16-compilation.patch \
31 file://0002-Revert-check-FP16-build-condition-correctly.patch \
30" 32"
31 33
32PV = "3.2+git${SRCPV}" 34PV = "3.2+git${SRCPV}"
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-10-24 20:54:49 +0000