The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | ** |
| 2 | ** Copyright 2006, The Android Open Source Project |
| 3 | ** |
| 4 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | ** you may not use this file except in compliance with the License. |
| 6 | ** You may obtain a copy of the License at |
| 7 | ** |
| 8 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | ** |
| 10 | ** Unless required by applicable law or agreed to in writing, software |
| 11 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | ** See the License for the specific language governing permissions and |
| 14 | ** limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // This source file is automatically generated |
| 18 | |
| 19 | #include <android_runtime/AndroidRuntime.h> |
| 20 | #include <utils/misc.h> |
| 21 | |
| 22 | #include <assert.h> |
| 23 | #include <GLES/gl.h> |
Jack Palevich | be509c9 | 2009-05-07 09:52:14 -0700 | [diff] [blame] | 24 | #include <GLES/glext.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | |
Jack Palevich | 8a4de4b | 2010-01-28 20:28:32 +0800 | [diff] [blame] | 26 | // Work around differences between the generated name and the actual name. |
| 27 | |
| 28 | #define glBlendEquation glBlendEquationOES |
| 29 | #define glBlendEquationSeparate glBlendEquationSeparateOES |
| 30 | #define glBlendFuncSeparate glBlendFuncSeparateOES |
| 31 | #define glGetTexGenfv glGetTexGenfvOES |
| 32 | #define glGetTexGeniv glGetTexGenivOES |
| 33 | #define glGetTexGenxv glGetTexGenxvOES |
| 34 | #define glTexGenf glTexGenfOES |
| 35 | #define glTexGenfv glTexGenfvOES |
| 36 | #define glTexGeni glTexGeniOES |
| 37 | #define glTexGeniv glTexGenivOES |
| 38 | #define glTexGenx glTexGenxOES |
| 39 | #define glTexGenxv glTexGenxvOES |
| 40 | |
| 41 | |
| 42 | |
Mathias Agopian | 8331f72 | 2009-05-08 15:35:17 -0700 | [diff] [blame] | 43 | /* special calls implemented in Android's GLES wrapper used to more |
| 44 | * efficiently bound-check passed arrays */ |
| 45 | extern "C" { |
| 46 | GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride, |
| 47 | const GLvoid *ptr, GLsizei count); |
| 48 | GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride, |
| 49 | const GLvoid *pointer, GLsizei count); |
| 50 | GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type, |
| 51 | GLsizei stride, const GLvoid *pointer, GLsizei count); |
| 52 | GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type, |
| 53 | GLsizei stride, const GLvoid *pointer, GLsizei count); |
Jack Palevich | be6eac8 | 2009-12-08 15:43:51 +0800 | [diff] [blame] | 54 | GL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type, |
| 55 | GLsizei stride, const GLvoid *pointer, GLsizei count); |
| 56 | GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type, |
| 57 | GLsizei stride, const GLvoid *pointer, GLsizei count); |
| 58 | GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, |
| 59 | GLsizei stride, const GLvoid *pointer, GLsizei count); |
Mathias Agopian | 8331f72 | 2009-05-08 15:35:17 -0700 | [diff] [blame] | 60 | } |
| 61 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | static int initialized = 0; |
| 63 | |
| 64 | static jclass nioAccessClass; |
| 65 | static jclass bufferClass; |
| 66 | static jclass OOMEClass; |
| 67 | static jclass UOEClass; |
| 68 | static jclass IAEClass; |
| 69 | static jclass AIOOBEClass; |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 70 | static jclass G11ImplClass; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 71 | static jmethodID getBasePointerID; |
| 72 | static jmethodID getBaseArrayID; |
| 73 | static jmethodID getBaseArrayOffsetID; |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 74 | static jmethodID allowIndirectBuffersID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 75 | static jfieldID positionID; |
| 76 | static jfieldID limitID; |
| 77 | static jfieldID elementSizeShiftID; |
Jack Palevich | 8a4de4b | 2010-01-28 20:28:32 +0800 | [diff] [blame] | 78 | static jfieldID haveCheckedExtensionsID; |
| 79 | static jfieldID have_OES_blend_equation_separateID; |
| 80 | static jfieldID have_OES_blend_subtractID; |
| 81 | static jfieldID have_OES_framebuffer_objectID; |
| 82 | static jfieldID have_OES_texture_cube_mapID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 83 | |
| 84 | /* Cache method IDs each time the class is loaded. */ |
| 85 | |
Jack Palevich | 27f8002 | 2009-04-15 19:13:17 -0700 | [diff] [blame] | 86 | static void |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | nativeClassInitBuffer(JNIEnv *_env) |
| 88 | { |
| 89 | jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess"); |
| 90 | nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal); |
| 91 | |
| 92 | jclass bufferClassLocal = _env->FindClass("java/nio/Buffer"); |
| 93 | bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal); |
| 94 | |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 95 | jclass g11impClassLocal = _env->FindClass("com/google/android/gles_jni/GLImpl"); |
| 96 | G11ImplClass = (jclass) _env->NewGlobalRef(g11impClassLocal); |
Jack Palevich | 8a4de4b | 2010-01-28 20:28:32 +0800 | [diff] [blame] | 97 | haveCheckedExtensionsID = _env->GetFieldID(G11ImplClass, "haveCheckedExtensions", "Z"); |
| 98 | have_OES_blend_equation_separateID = _env->GetFieldID(G11ImplClass, "have_OES_blend_equation_separate", "Z"); |
| 99 | have_OES_blend_subtractID = _env->GetFieldID(G11ImplClass, "have_OES_blend_subtract", "Z"); |
| 100 | have_OES_framebuffer_objectID = _env->GetFieldID(G11ImplClass, "have_OES_framebuffer_object", "Z"); |
| 101 | have_OES_texture_cube_mapID = _env->GetFieldID(G11ImplClass, "have_OES_texture_cube_map", "Z"); |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 102 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 103 | getBasePointerID = _env->GetStaticMethodID(nioAccessClass, |
| 104 | "getBasePointer", "(Ljava/nio/Buffer;)J"); |
| 105 | getBaseArrayID = _env->GetStaticMethodID(nioAccessClass, |
| 106 | "getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;"); |
| 107 | getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass, |
| 108 | "getBaseArrayOffset", "(Ljava/nio/Buffer;)I"); |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 109 | allowIndirectBuffersID = _env->GetStaticMethodID(g11impClassLocal, |
| 110 | "allowIndirectBuffers", "(Ljava/lang/String;)Z"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 111 | positionID = _env->GetFieldID(bufferClass, "position", "I"); |
| 112 | limitID = _env->GetFieldID(bufferClass, "limit", "I"); |
| 113 | elementSizeShiftID = |
| 114 | _env->GetFieldID(bufferClass, "_elementSizeShift", "I"); |
| 115 | } |
| 116 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 117 | static void |
| 118 | nativeClassInit(JNIEnv *_env, jclass glImplClass) |
| 119 | { |
| 120 | nativeClassInitBuffer(_env); |
| 121 | |
| 122 | jclass IAEClassLocal = |
| 123 | _env->FindClass("java/lang/IllegalArgumentException"); |
| 124 | jclass OOMEClassLocal = |
| 125 | _env->FindClass("java/lang/OutOfMemoryError"); |
| 126 | jclass UOEClassLocal = |
| 127 | _env->FindClass("java/lang/UnsupportedOperationException"); |
| 128 | jclass AIOOBEClassLocal = |
| 129 | _env->FindClass("java/lang/ArrayIndexOutOfBoundsException"); |
| 130 | |
| 131 | IAEClass = (jclass) _env->NewGlobalRef(IAEClassLocal); |
| 132 | OOMEClass = (jclass) _env->NewGlobalRef(OOMEClassLocal); |
| 133 | UOEClass = (jclass) _env->NewGlobalRef(UOEClassLocal); |
| 134 | AIOOBEClass = (jclass) _env->NewGlobalRef(AIOOBEClassLocal); |
| 135 | } |
| 136 | |
| 137 | static void * |
| 138 | getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining) |
| 139 | { |
| 140 | jint position; |
| 141 | jint limit; |
| 142 | jint elementSizeShift; |
| 143 | jlong pointer; |
| 144 | jint offset; |
| 145 | void *data; |
| 146 | |
| 147 | position = _env->GetIntField(buffer, positionID); |
| 148 | limit = _env->GetIntField(buffer, limitID); |
| 149 | elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); |
| 150 | *remaining = (limit - position) << elementSizeShift; |
| 151 | pointer = _env->CallStaticLongMethod(nioAccessClass, |
| 152 | getBasePointerID, buffer); |
| 153 | if (pointer != 0L) { |
| 154 | *array = NULL; |
| 155 | return (void *) (jint) pointer; |
| 156 | } |
| 157 | |
| 158 | *array = (jarray) _env->CallStaticObjectMethod(nioAccessClass, |
| 159 | getBaseArrayID, buffer); |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 160 | if (*array == NULL) { |
| 161 | return (void*) NULL; |
| 162 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 163 | offset = _env->CallStaticIntMethod(nioAccessClass, |
| 164 | getBaseArrayOffsetID, buffer); |
| 165 | data = _env->GetPrimitiveArrayCritical(*array, (jboolean *) 0); |
| 166 | |
| 167 | return (void *) ((char *) data + offset); |
| 168 | } |
| 169 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 170 | static void |
| 171 | releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit) |
| 172 | { |
| 173 | _env->ReleasePrimitiveArrayCritical(array, data, |
| 174 | commit ? 0 : JNI_ABORT); |
| 175 | } |
| 176 | |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 177 | extern "C" { |
| 178 | extern char* __progname; |
| 179 | } |
| 180 | |
| 181 | static bool |
| 182 | allowIndirectBuffers(JNIEnv *_env) { |
| 183 | static jint sIndirectBufferCompatability; |
| 184 | if (sIndirectBufferCompatability == 0) { |
| 185 | jobject appName = _env->NewStringUTF(::__progname); |
| 186 | sIndirectBufferCompatability = _env->CallStaticBooleanMethod(G11ImplClass, allowIndirectBuffersID, appName) ? 2 : 1; |
| 187 | } |
| 188 | return sIndirectBufferCompatability == 2; |
| 189 | } |
| 190 | |
Jack Palevich | 16e7972 | 2009-05-15 18:13:34 -0700 | [diff] [blame] | 191 | static void * |
| 192 | getDirectBufferPointer(JNIEnv *_env, jobject buffer) { |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 193 | if (!buffer) { |
| 194 | return NULL; |
| 195 | } |
| 196 | void* buf = _env->GetDirectBufferAddress(buffer); |
Jack Palevich | 16e7972 | 2009-05-15 18:13:34 -0700 | [diff] [blame] | 197 | if (buf) { |
| 198 | jint position = _env->GetIntField(buffer, positionID); |
| 199 | jint elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 200 | buf = ((char*) buf) + (position << elementSizeShift); |
Jack Palevich | 16e7972 | 2009-05-15 18:13:34 -0700 | [diff] [blame] | 201 | } else { |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 202 | if (allowIndirectBuffers(_env)) { |
| 203 | jarray array = 0; |
| 204 | jint remaining; |
| 205 | buf = getPointer(_env, buffer, &array, &remaining); |
| 206 | if (array) { |
| 207 | releasePointer(_env, array, buf, 0); |
| 208 | } |
| 209 | } else { |
| 210 | _env->ThrowNew(IAEClass, "Must use a native order direct Buffer"); |
| 211 | } |
Jack Palevich | 16e7972 | 2009-05-15 18:13:34 -0700 | [diff] [blame] | 212 | } |
Jack Palevich | 91a27ae | 2009-06-15 21:03:24 -0700 | [diff] [blame] | 213 | return buf; |
Jack Palevich | 16e7972 | 2009-05-15 18:13:34 -0700 | [diff] [blame] | 214 | } |
| 215 | |
Jack Palevich | be509c9 | 2009-05-07 09:52:14 -0700 | [diff] [blame] | 216 | static int |
| 217 | getNumCompressedTextureFormats() { |
| 218 | int numCompressedTextureFormats = 0; |
| 219 | glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats); |
| 220 | return numCompressedTextureFormats; |
| 221 | } |
| 222 | |
Jack Palevich | 8a4de4b | 2010-01-28 20:28:32 +0800 | [diff] [blame] | 223 | // Check if the extension at the head of pExtensions is pExtension. Note that pExtensions is |
| 224 | // terminated by either 0 or space, while pExtension is terminated by 0. |
| 225 | |
| 226 | static bool |
| 227 | extensionEqual(const GLubyte* pExtensions, const GLubyte* pExtension) { |
| 228 | while (true) { |
| 229 | char a = *pExtensions++; |
| 230 | char b = *pExtension++; |
| 231 | bool aEnd = a == '\0' || a == ' '; |
| 232 | bool bEnd = b == '\0'; |
| 233 | if ( aEnd || bEnd) { |
| 234 | return aEnd == bEnd; |
| 235 | } |
| 236 | if ( a != b ) { |
| 237 | return false; |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | static const GLubyte* |
| 243 | nextExtension(const GLubyte* pExtensions) { |
| 244 | while (true) { |
| 245 | char a = *pExtensions++; |
| 246 | if ( a == '\0') { |
| 247 | return pExtensions-1; |
| 248 | } else if ( a == ' ') { |
| 249 | return pExtensions; |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | static bool |
| 255 | checkForExtension(const GLubyte* pExtensions, const GLubyte* pExtension) { |
| 256 | for (;*pExtensions != '\0'; pExtensions = nextExtension(pExtensions)) { |
| 257 | if (extensionEqual(pExtensions, pExtension)) { |
| 258 | return true; |
| 259 | } |
| 260 | } |
| 261 | return false; |
| 262 | } |
| 263 | |
| 264 | static bool |
| 265 | supportsExtension(JNIEnv *_env, jobject impl, jfieldID fieldId) { |
| 266 | if (!_env->GetBooleanField(impl, haveCheckedExtensionsID)) { |
| 267 | _env->SetBooleanField(impl, haveCheckedExtensionsID, true); |
| 268 | const GLubyte* sExtensions = glGetString(GL_EXTENSIONS); |
| 269 | _env->SetBooleanField(impl, have_OES_blend_equation_separateID, |
| 270 | checkForExtension(sExtensions, (const GLubyte*) "GL_OES_blend_equation_separate")); |
| 271 | _env->SetBooleanField(impl, have_OES_blend_subtractID, |
| 272 | checkForExtension(sExtensions, (const GLubyte*) "GL_OES_blend_subtract")); |
| 273 | _env->SetBooleanField(impl, have_OES_framebuffer_objectID, |
| 274 | checkForExtension(sExtensions, (const GLubyte*) "GL_OES_framebuffer_object")); |
| 275 | _env->SetBooleanField(impl, have_OES_texture_cube_mapID, |
| 276 | checkForExtension(sExtensions, (const GLubyte*) "GL_OES_texture_cube_map")); |
| 277 | } |
| 278 | return _env->GetBooleanField(impl, fieldId); |
| 279 | } |
| 280 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 281 | // -------------------------------------------------------------------------- |
| 282 | |