2 * Copyright (C) 2011 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 size_t glSizeof(GLenum type)
26 case GL_UNSIGNED_BYTE:
30 case GL_UNSIGNED_SHORT:
31 case GL_HALF_FLOAT_OES:
73 ERR("**** ERROR unknown type 0x%x (%s,%d)\n", type, __FUNCTION__,__LINE__);
79 size_t glUtilsParamSize(GLenum param)
88 case GL_MAX_CLIP_PLANES:
90 case GL_MAX_MODELVIEW_STACK_DEPTH:
91 case GL_MAX_PROJECTION_STACK_DEPTH:
92 case GL_MAX_TEXTURE_STACK_DEPTH:
93 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
94 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
95 case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
96 case GL_MAX_TEXTURE_SIZE:
97 case GL_TEXTURE_GEN_MODE_OES:
98 case GL_TEXTURE_ENV_MODE:
103 case GL_SPOT_EXPONENT:
104 case GL_CONSTANT_ATTENUATION:
105 case GL_LINEAR_ATTENUATION:
106 case GL_QUADRATIC_ATTENUATION:
108 case GL_LIGHT_MODEL_TWO_SIDE:
110 case GL_POINT_SIZE_MIN:
111 case GL_POINT_SIZE_MAX:
112 case GL_POINT_FADE_THRESHOLD_SIZE:
114 case GL_CULL_FACE_MODE:
117 case GL_DEPTH_WRITEMASK:
118 case GL_DEPTH_CLEAR_VALUE:
119 case GL_STENCIL_FAIL:
120 case GL_STENCIL_PASS_DEPTH_FAIL:
121 case GL_STENCIL_PASS_DEPTH_PASS:
123 case GL_STENCIL_WRITEMASK:
125 case GL_MODELVIEW_STACK_DEPTH:
126 case GL_PROJECTION_STACK_DEPTH:
127 case GL_TEXTURE_STACK_DEPTH:
128 case GL_ALPHA_TEST_FUNC:
129 case GL_ALPHA_TEST_REF:
135 case GL_LOGIC_OP_MODE:
136 case GL_SCISSOR_TEST:
137 case GL_MAX_TEXTURE_UNITS:
138 case GL_ACTIVE_TEXTURE:
140 case GL_ARRAY_BUFFER_BINDING:
142 case GL_CLIENT_ACTIVE_TEXTURE:
150 case GL_COLOR_ARRAY_BUFFER_BINDING:
151 case GL_COLOR_ARRAY_SIZE:
152 case GL_COLOR_ARRAY_STRIDE:
153 case GL_COLOR_ARRAY_TYPE:
154 case GL_COLOR_LOGIC_OP:
155 case GL_COLOR_MATERIAL:
156 case GL_PACK_ALIGNMENT:
157 case GL_PERSPECTIVE_CORRECTION_HINT:
158 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
159 case GL_POINT_SIZE_ARRAY_STRIDE_OES:
160 case GL_POINT_SIZE_ARRAY_TYPE_OES:
161 case GL_POINT_SMOOTH:
162 case GL_POINT_SMOOTH_HINT:
163 case GL_POINT_SPRITE_OES:
164 case GL_COORD_REPLACE_OES:
165 case GL_COMBINE_ALPHA:
169 case GL_OPERAND0_RGB:
170 case GL_OPERAND1_RGB:
171 case GL_OPERAND2_RGB:
175 case GL_OPERAND0_ALPHA:
176 case GL_OPERAND1_ALPHA:
177 case GL_OPERAND2_ALPHA:
181 case GL_POLYGON_OFFSET_FACTOR:
182 case GL_POLYGON_OFFSET_FILL:
183 case GL_POLYGON_OFFSET_UNITS:
185 case GL_RESCALE_NORMAL:
186 case GL_SAMPLE_ALPHA_TO_COVERAGE:
187 case GL_SAMPLE_ALPHA_TO_ONE:
188 case GL_SAMPLE_BUFFERS:
189 case GL_SAMPLE_COVERAGE:
190 case GL_SAMPLE_COVERAGE_INVERT:
191 case GL_SAMPLE_COVERAGE_VALUE:
193 case GL_MAX_SAMPLES_EXT:
194 case GL_STENCIL_BITS:
195 case GL_STENCIL_CLEAR_VALUE:
196 case GL_STENCIL_FUNC:
197 case GL_STENCIL_TEST:
198 case GL_STENCIL_VALUE_MASK:
199 case GL_STENCIL_BACK_FUNC:
200 case GL_STENCIL_BACK_VALUE_MASK:
201 case GL_STENCIL_BACK_REF:
202 case GL_STENCIL_BACK_FAIL:
203 case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
204 case GL_STENCIL_BACK_PASS_DEPTH_PASS:
205 case GL_STENCIL_BACK_WRITEMASK:
207 case GL_TEXTURE_BINDING_2D:
208 case GL_TEXTURE_BINDING_CUBE_MAP:
209 case GL_TEXTURE_BINDING_EXTERNAL_OES:
210 case GL_TEXTURE_COORD_ARRAY:
211 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
212 case GL_TEXTURE_COORD_ARRAY_SIZE:
213 case GL_TEXTURE_COORD_ARRAY_STRIDE:
214 case GL_TEXTURE_COORD_ARRAY_TYPE:
215 case GL_UNPACK_ALIGNMENT:
216 case GL_VERTEX_ARRAY:
217 case GL_VERTEX_ARRAY_BUFFER_BINDING:
218 case GL_VERTEX_ARRAY_SIZE:
219 case GL_VERTEX_ARRAY_STRIDE:
220 case GL_VERTEX_ARRAY_TYPE:
222 case GL_TEXTURE_MIN_FILTER:
223 case GL_TEXTURE_MAG_FILTER:
224 case GL_TEXTURE_WRAP_S:
225 case GL_TEXTURE_WRAP_T:
226 case GL_GENERATE_MIPMAP:
227 case GL_GENERATE_MIPMAP_HINT:
228 case GL_RENDERBUFFER_WIDTH_OES:
229 case GL_RENDERBUFFER_HEIGHT_OES:
230 case GL_RENDERBUFFER_INTERNAL_FORMAT_OES:
231 case GL_RENDERBUFFER_RED_SIZE_OES:
232 case GL_RENDERBUFFER_GREEN_SIZE_OES:
233 case GL_RENDERBUFFER_BLUE_SIZE_OES:
234 case GL_RENDERBUFFER_ALPHA_SIZE_OES:
235 case GL_RENDERBUFFER_DEPTH_SIZE_OES:
236 case GL_RENDERBUFFER_STENCIL_SIZE_OES:
237 case GL_RENDERBUFFER_BINDING:
238 case GL_FRAMEBUFFER_BINDING:
239 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_OES:
240 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_OES:
241 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_OES:
242 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_OES:
243 case GL_FENCE_STATUS_NV:
244 case GL_FENCE_CONDITION_NV:
245 case GL_TEXTURE_WIDTH_QCOM:
246 case GL_TEXTURE_HEIGHT_QCOM:
247 case GL_TEXTURE_DEPTH_QCOM:
248 case GL_TEXTURE_INTERNAL_FORMAT_QCOM:
249 case GL_TEXTURE_FORMAT_QCOM:
250 case GL_TEXTURE_TYPE_QCOM:
251 case GL_TEXTURE_IMAGE_VALID_QCOM:
252 case GL_TEXTURE_NUM_LEVELS_QCOM:
253 case GL_TEXTURE_TARGET_QCOM:
254 case GL_TEXTURE_OBJECT_VALID_QCOM:
255 case GL_BLEND_EQUATION_RGB_OES:
256 case GL_BLEND_EQUATION_ALPHA_OES:
257 case GL_BLEND_DST_RGB_OES:
258 case GL_BLEND_SRC_RGB_OES:
259 case GL_BLEND_DST_ALPHA_OES:
260 case GL_BLEND_SRC_ALPHA_OES:
263 case GL_DELETE_STATUS:
264 case GL_COMPILE_STATUS:
265 case GL_INFO_LOG_LENGTH:
266 case GL_SHADER_SOURCE_LENGTH:
267 case GL_CURRENT_PROGRAM:
269 case GL_VALIDATE_STATUS:
270 case GL_ATTACHED_SHADERS:
271 case GL_ACTIVE_UNIFORMS:
272 case GL_ACTIVE_ATTRIBUTES:
273 case GL_SUBPIXEL_BITS:
274 case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
275 case GL_NUM_SHADER_BINARY_FORMATS:
276 case GL_SHADER_COMPILER:
277 case GL_MAX_VERTEX_ATTRIBS:
278 case GL_MAX_VERTEX_UNIFORM_VECTORS:
279 case GL_MAX_VARYING_VECTORS:
280 case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
281 case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
282 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
283 case GL_MAX_RENDERBUFFER_SIZE:
284 case GL_MAX_TEXTURE_IMAGE_UNITS:
285 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
286 case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
290 case GL_ALIASED_LINE_WIDTH_RANGE:
291 case GL_ALIASED_POINT_SIZE_RANGE:
293 case GL_MAX_VIEWPORT_DIMS:
294 case GL_SMOOTH_POINT_SIZE_RANGE:
295 case GL_SMOOTH_LINE_WIDTH_RANGE:
298 case GL_SPOT_DIRECTION:
299 case GL_POINT_DISTANCE_ATTENUATION:
300 case GL_CURRENT_NORMAL:
303 case GL_CURRENT_VERTEX_ATTRIB:
304 case GL_CURRENT_TEXTURE_COORDS:
305 case GL_CURRENT_COLOR:
312 case GL_LIGHT_MODEL_AMBIENT:
313 case GL_TEXTURE_ENV_COLOR:
316 case GL_TEXTURE_CROP_RECT_OES:
317 case GL_COLOR_CLEAR_VALUE:
318 case GL_COLOR_WRITEMASK:
319 case GL_AMBIENT_AND_DIFFUSE:
323 case GL_MODELVIEW_MATRIX:
324 case GL_PROJECTION_MATRIX:
325 case GL_TEXTURE_MATRIX:
329 ERR("glUtilsParamSize: unknow param 0x%08x\n", param);
335 void glUtilsPackPointerData(unsigned char *dst, unsigned char *src,
336 int size, GLenum type, unsigned int stride,
337 unsigned int datalen)
339 unsigned int vsize = size * glSizeof(type);
340 if (stride == 0) stride = vsize;
342 if (stride == vsize) {
343 memcpy(dst, src, datalen);
345 for (unsigned int i = 0; i < datalen; i += vsize) {
346 memcpy(dst, src, vsize);
353 void glUtilsWritePackPointerData(void* _stream, unsigned char *src,
354 int size, GLenum type, unsigned int stride,
355 unsigned int datalen)
357 IOStream* stream = reinterpret_cast<IOStream*>(_stream);
359 unsigned int vsize = size * glSizeof(type);
360 if (stride == 0) stride = vsize;
362 if (stride == vsize) {
363 stream->writeFully(src, datalen);
365 for (unsigned int i = 0; i < datalen; i += vsize) {
366 stream->writeFully(src, (size_t)vsize);
372 int glUtilsPixelBitSize(GLenum format, GLenum type)
375 int componentsize = 0;
379 case GL_UNSIGNED_BYTE:
383 case GL_UNSIGNED_SHORT:
384 case GL_UNSIGNED_SHORT_5_6_5:
385 case GL_UNSIGNED_SHORT_4_4_4_4:
386 case GL_UNSIGNED_SHORT_5_5_5_1:
393 case GL_UNSIGNED_INT:
396 case GL_UNSIGNED_INT_24_8_OES:
400 ERR("glUtilsPixelBitSize: unknown pixel type - assuming pixel data 0\n");
404 if (pixelsize == 0) {
413 case GL_DEPTH_COMPONENT:
414 case GL_DEPTH_STENCIL_OES:
417 case GL_LUMINANCE_ALPHA:
431 ERR("glUtilsPixelBitSize: unknown pixel format...\n");
434 pixelsize = components * componentsize;
440 // pack a list of strings into one.
441 void glUtilsPackStrings(char *ptr, char **strings, GLint *length, GLsizei count)
445 for (int i = 0; i < count; i++) {
447 if (strings[i]!=NULL) {
448 if (length == NULL || length[i] < 0) {
449 l = strlen(strings[i]);
450 strcat(p, strings[i]);
453 strncat(p, strings[i], l);
460 // claculate the length of a list of strings
461 int glUtilsCalcShaderSourceLen( char **strings, GLint *length, GLsizei count)
464 for (int i = 0; i < count; i++) {
466 if (length == NULL || length[i] < 0) {
467 l = strings[i]!=NULL ? strlen(strings[i]) : 0;