1 /*
2 * Copyright (C) 2011 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 #include "glUtils.h"
17 #include "ErrorLog.h"
18 #include <string.h>
19 #include <GLES3/gl31.h>
20
glSizeof(GLenum type)21 size_t glSizeof(GLenum type)
22 {
23 size_t retval = 0;
24 switch(type) {
25 case GL_BYTE:
26 case GL_UNSIGNED_BYTE:
27 retval = 1;
28 break;
29 case GL_SHORT:
30 case GL_UNSIGNED_SHORT:
31 case GL_HALF_FLOAT:
32 case GL_HALF_FLOAT_OES:
33 retval = 2;
34 break;
35 case GL_IMAGE_2D:
36 case GL_IMAGE_3D:
37 case GL_UNSIGNED_INT:
38 case GL_INT:
39 case GL_FLOAT:
40 case GL_FIXED:
41 case GL_BOOL:
42 retval = 4;
43 break;
44 #ifdef GL_DOUBLE
45 case GL_DOUBLE:
46 retval = 8;
47 break;
48 #endif
49 case GL_FLOAT_VEC2:
50 case GL_INT_VEC2:
51 case GL_UNSIGNED_INT_VEC2:
52 case GL_BOOL_VEC2:
53 retval = 8;
54 break;
55 case GL_INT_VEC3:
56 case GL_UNSIGNED_INT_VEC3:
57 case GL_BOOL_VEC3:
58 case GL_FLOAT_VEC3:
59 retval = 12;
60 break;
61 case GL_FLOAT_VEC4:
62 case GL_BOOL_VEC4:
63 case GL_INT_VEC4:
64 case GL_UNSIGNED_INT_VEC4:
65 case GL_FLOAT_MAT2:
66 retval = 16;
67 break;
68 case GL_FLOAT_MAT3:
69 retval = 36;
70 break;
71 case GL_FLOAT_MAT4:
72 retval = 64;
73 break;
74 case GL_FLOAT_MAT2x3:
75 case GL_FLOAT_MAT3x2:
76 retval = 4 * 6;
77 break;
78 case GL_FLOAT_MAT2x4:
79 case GL_FLOAT_MAT4x2:
80 retval = 4 * 8;
81 break;
82 case GL_FLOAT_MAT3x4:
83 case GL_FLOAT_MAT4x3:
84 retval = 4 * 12;
85 break;
86 case GL_SAMPLER_2D:
87 case GL_SAMPLER_3D:
88 case GL_SAMPLER_CUBE:
89 case GL_SAMPLER_2D_SHADOW:
90 case GL_SAMPLER_2D_ARRAY:
91 case GL_SAMPLER_2D_ARRAY_SHADOW:
92 case GL_SAMPLER_CUBE_SHADOW:
93 case GL_INT_SAMPLER_2D:
94 case GL_INT_SAMPLER_3D:
95 case GL_INT_SAMPLER_CUBE:
96 case GL_INT_SAMPLER_2D_ARRAY:
97 case GL_UNSIGNED_INT_SAMPLER_2D:
98 case GL_UNSIGNED_INT_SAMPLER_3D:
99 case GL_UNSIGNED_INT_SAMPLER_CUBE:
100 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
101 retval = 4;
102 break;
103 case GL_UNSIGNED_SHORT_4_4_4_4:
104 case GL_UNSIGNED_SHORT_5_5_5_1:
105 case GL_UNSIGNED_SHORT_5_6_5:
106 case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
107 case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
108 retval = 2;
109 break;
110 case GL_INT_2_10_10_10_REV:
111 case GL_UNSIGNED_INT_10F_11F_11F_REV:
112 case GL_UNSIGNED_INT_5_9_9_9_REV:
113 case GL_UNSIGNED_INT_2_10_10_10_REV:
114 case GL_UNSIGNED_INT_24_8_OES:;
115 retval = 4;
116 break;
117 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
118 retval = 4 + 4;
119 break;
120 default:
121 ERR("**** ERROR unknown type 0x%x (%s,%d)\n", type, __FUNCTION__,__LINE__);
122 retval = 4;
123 }
124 return retval;
125
126 }
127
glUtilsParamSize(GLenum param)128 size_t glUtilsParamSize(GLenum param)
129 {
130 size_t s = 0;
131
132 switch(param)
133 {
134 case GL_DEPTH_TEST:
135 case GL_DEPTH_FUNC:
136 case GL_DEPTH_BITS:
137 case GL_MAX_CLIP_PLANES:
138 case GL_GREEN_BITS:
139 case GL_MAX_MODELVIEW_STACK_DEPTH:
140 case GL_MAX_PROJECTION_STACK_DEPTH:
141 case GL_MAX_TEXTURE_STACK_DEPTH:
142 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
143 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
144 case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
145 case GL_MAX_TEXTURE_SIZE:
146 case GL_TEXTURE_GEN_MODE_OES:
147 case GL_TEXTURE_ENV_MODE:
148 case GL_FOG_MODE:
149 case GL_FOG_DENSITY:
150 case GL_FOG_START:
151 case GL_FOG_END:
152 case GL_SPOT_EXPONENT:
153 case GL_CONSTANT_ATTENUATION:
154 case GL_LINEAR_ATTENUATION:
155 case GL_QUADRATIC_ATTENUATION:
156 case GL_SHININESS:
157 case GL_LIGHT_MODEL_TWO_SIDE:
158 case GL_POINT_SIZE:
159 case GL_POINT_SIZE_MIN:
160 case GL_POINT_SIZE_MAX:
161 case GL_POINT_FADE_THRESHOLD_SIZE:
162 case GL_CULL_FACE_MODE:
163 case GL_FRONT_FACE:
164 case GL_SHADE_MODEL:
165 case GL_DEPTH_WRITEMASK:
166 case GL_DEPTH_CLEAR_VALUE:
167 case GL_STENCIL_FAIL:
168 case GL_STENCIL_PASS_DEPTH_FAIL:
169 case GL_STENCIL_PASS_DEPTH_PASS:
170 case GL_STENCIL_REF:
171 case GL_STENCIL_WRITEMASK:
172 case GL_MATRIX_MODE:
173 case GL_MODELVIEW_STACK_DEPTH:
174 case GL_PROJECTION_STACK_DEPTH:
175 case GL_TEXTURE_STACK_DEPTH:
176 case GL_ALPHA_TEST_FUNC:
177 case GL_ALPHA_TEST_REF:
178 case GL_ALPHA_TEST:
179 case GL_BLEND_DST:
180 case GL_BLEND_SRC:
181 case GL_BLEND:
182 case GL_LOGIC_OP_MODE:
183 case GL_SCISSOR_TEST:
184 case GL_MAX_TEXTURE_UNITS:
185 case GL_ACTIVE_TEXTURE:
186 case GL_ALPHA_BITS:
187 case GL_ARRAY_BUFFER_BINDING:
188 case GL_BLUE_BITS:
189 case GL_CLIENT_ACTIVE_TEXTURE:
190 case GL_CLIP_PLANE0:
191 case GL_CLIP_PLANE1:
192 case GL_CLIP_PLANE2:
193 case GL_CLIP_PLANE3:
194 case GL_CLIP_PLANE4:
195 case GL_CLIP_PLANE5:
196 case GL_COLOR_ARRAY:
197 case GL_COLOR_ARRAY_BUFFER_BINDING:
198 case GL_COLOR_ARRAY_SIZE:
199 case GL_COLOR_ARRAY_STRIDE:
200 case GL_COLOR_ARRAY_TYPE:
201 case GL_COLOR_LOGIC_OP:
202 case GL_COLOR_MATERIAL:
203 case GL_PACK_ALIGNMENT:
204 case GL_PERSPECTIVE_CORRECTION_HINT:
205 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
206 case GL_POINT_SIZE_ARRAY_STRIDE_OES:
207 case GL_POINT_SIZE_ARRAY_TYPE_OES:
208 case GL_POINT_SMOOTH:
209 case GL_POINT_SMOOTH_HINT:
210 case GL_POINT_SPRITE_OES:
211 case GL_COORD_REPLACE_OES:
212 case GL_COMBINE_ALPHA:
213 case GL_SRC0_RGB:
214 case GL_SRC1_RGB:
215 case GL_SRC2_RGB:
216 case GL_OPERAND0_RGB:
217 case GL_OPERAND1_RGB:
218 case GL_OPERAND2_RGB:
219 case GL_SRC0_ALPHA:
220 case GL_SRC1_ALPHA:
221 case GL_SRC2_ALPHA:
222 case GL_OPERAND0_ALPHA:
223 case GL_OPERAND1_ALPHA:
224 case GL_OPERAND2_ALPHA:
225 case GL_RGB_SCALE:
226 case GL_ALPHA_SCALE:
227 case GL_COMBINE_RGB:
228 case GL_POLYGON_OFFSET_FACTOR:
229 case GL_POLYGON_OFFSET_FILL:
230 case GL_POLYGON_OFFSET_UNITS:
231 case GL_RED_BITS:
232 case GL_RESCALE_NORMAL:
233 case GL_SAMPLE_ALPHA_TO_COVERAGE:
234 case GL_SAMPLE_ALPHA_TO_ONE:
235 case GL_SAMPLE_BUFFERS:
236 case GL_SAMPLE_COVERAGE:
237 case GL_SAMPLE_COVERAGE_INVERT:
238 case GL_SAMPLE_COVERAGE_VALUE:
239 case GL_SAMPLES:
240 case GL_STENCIL_BITS:
241 case GL_STENCIL_CLEAR_VALUE:
242 case GL_STENCIL_FUNC:
243 case GL_STENCIL_TEST:
244 case GL_STENCIL_VALUE_MASK:
245 case GL_STENCIL_BACK_FUNC:
246 case GL_STENCIL_BACK_VALUE_MASK:
247 case GL_STENCIL_BACK_REF:
248 case GL_STENCIL_BACK_FAIL:
249 case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
250 case GL_STENCIL_BACK_PASS_DEPTH_PASS:
251 case GL_STENCIL_BACK_WRITEMASK:
252 case GL_TEXTURE_2D:
253 case GL_TEXTURE_BINDING_2D:
254 case GL_TEXTURE_BINDING_CUBE_MAP:
255 case GL_TEXTURE_BINDING_EXTERNAL_OES:
256 case GL_TEXTURE_COORD_ARRAY:
257 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
258 case GL_TEXTURE_COORD_ARRAY_SIZE:
259 case GL_TEXTURE_COORD_ARRAY_STRIDE:
260 case GL_TEXTURE_COORD_ARRAY_TYPE:
261 case GL_UNPACK_ALIGNMENT:
262 case GL_VERTEX_ARRAY:
263 case GL_VERTEX_ARRAY_BUFFER_BINDING:
264 case GL_VERTEX_ARRAY_SIZE:
265 case GL_VERTEX_ARRAY_STRIDE:
266 case GL_VERTEX_ARRAY_TYPE:
267 case GL_SPOT_CUTOFF:
268 case GL_TEXTURE_MIN_FILTER:
269 case GL_TEXTURE_MAG_FILTER:
270 case GL_TEXTURE_WRAP_S:
271 case GL_TEXTURE_WRAP_T:
272 case GL_GENERATE_MIPMAP:
273 case GL_GENERATE_MIPMAP_HINT:
274 case GL_RENDERBUFFER_WIDTH_OES:
275 case GL_RENDERBUFFER_HEIGHT_OES:
276 case GL_RENDERBUFFER_INTERNAL_FORMAT_OES:
277 case GL_RENDERBUFFER_RED_SIZE_OES:
278 case GL_RENDERBUFFER_GREEN_SIZE_OES:
279 case GL_RENDERBUFFER_BLUE_SIZE_OES:
280 case GL_RENDERBUFFER_ALPHA_SIZE_OES:
281 case GL_RENDERBUFFER_DEPTH_SIZE_OES:
282 case GL_RENDERBUFFER_STENCIL_SIZE_OES:
283 case GL_RENDERBUFFER_BINDING:
284 case GL_FRAMEBUFFER_BINDING:
285 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_OES:
286 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_OES:
287 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_OES:
288 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_OES:
289 case GL_FENCE_STATUS_NV:
290 case GL_FENCE_CONDITION_NV:
291 case GL_TEXTURE_WIDTH_QCOM:
292 case GL_TEXTURE_HEIGHT_QCOM:
293 case GL_TEXTURE_DEPTH_QCOM:
294 case GL_TEXTURE_INTERNAL_FORMAT_QCOM:
295 case GL_TEXTURE_FORMAT_QCOM:
296 case GL_TEXTURE_TYPE_QCOM:
297 case GL_TEXTURE_IMAGE_VALID_QCOM:
298 case GL_TEXTURE_NUM_LEVELS_QCOM:
299 case GL_TEXTURE_TARGET_QCOM:
300 case GL_TEXTURE_OBJECT_VALID_QCOM:
301 case GL_BLEND_EQUATION_RGB_OES:
302 case GL_BLEND_EQUATION_ALPHA_OES:
303 case GL_BLEND_DST_RGB_OES:
304 case GL_BLEND_SRC_RGB_OES:
305 case GL_BLEND_DST_ALPHA_OES:
306 case GL_BLEND_SRC_ALPHA_OES:
307 case GL_MAX_LIGHTS:
308 case GL_SHADER_TYPE:
309 case GL_DELETE_STATUS:
310 case GL_COMPILE_STATUS:
311 case GL_INFO_LOG_LENGTH:
312 case GL_SHADER_SOURCE_LENGTH:
313 case GL_CURRENT_PROGRAM:
314 case GL_LINK_STATUS:
315 case GL_VALIDATE_STATUS:
316 case GL_ATTACHED_SHADERS:
317 case GL_ACTIVE_UNIFORMS:
318 case GL_ACTIVE_ATTRIBUTES:
319 case GL_SUBPIXEL_BITS:
320 case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
321 case GL_NUM_SHADER_BINARY_FORMATS:
322 case GL_SHADER_COMPILER:
323 case GL_MAX_VERTEX_ATTRIBS:
324 case GL_MAX_VERTEX_UNIFORM_VECTORS:
325 case GL_MAX_VARYING_VECTORS:
326 case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
327 case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
328 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
329 case GL_MAX_RENDERBUFFER_SIZE:
330 case GL_MAX_TEXTURE_IMAGE_UNITS:
331 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
332 case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
333 case GL_LINE_WIDTH:
334 s = 1;
335 break;
336 case GL_ALIASED_LINE_WIDTH_RANGE:
337 case GL_ALIASED_POINT_SIZE_RANGE:
338 case GL_DEPTH_RANGE:
339 case GL_MAX_VIEWPORT_DIMS:
340 case GL_SMOOTH_POINT_SIZE_RANGE:
341 case GL_SMOOTH_LINE_WIDTH_RANGE:
342 s= 2;
343 break;
344 case GL_SPOT_DIRECTION:
345 case GL_POINT_DISTANCE_ATTENUATION:
346 case GL_CURRENT_NORMAL:
347 s = 3;
348 break;
349 case GL_CURRENT_VERTEX_ATTRIB:
350 case GL_CURRENT_TEXTURE_COORDS:
351 case GL_CURRENT_COLOR:
352 case GL_FOG_COLOR:
353 case GL_AMBIENT:
354 case GL_DIFFUSE:
355 case GL_SPECULAR:
356 case GL_EMISSION:
357 case GL_POSITION:
358 case GL_LIGHT_MODEL_AMBIENT:
359 case GL_TEXTURE_ENV_COLOR:
360 case GL_SCISSOR_BOX:
361 case GL_VIEWPORT:
362 case GL_TEXTURE_CROP_RECT_OES:
363 case GL_COLOR_CLEAR_VALUE:
364 case GL_COLOR_WRITEMASK:
365 case GL_AMBIENT_AND_DIFFUSE:
366 case GL_BLEND_COLOR:
367 s = 4;
368 break;
369 case GL_MODELVIEW_MATRIX:
370 case GL_PROJECTION_MATRIX:
371 case GL_TEXTURE_MATRIX:
372 s = 16;
373 break;
374 default:
375 ERR("glUtilsParamSize: unknow param 0x%08x\n", param);
376 s = 1; // assume 1
377 }
378 return s;
379 }
380
glUtilsPackPointerData(unsigned char * dst,unsigned char * src,int size,GLenum type,unsigned int stride,unsigned int datalen)381 void glUtilsPackPointerData(unsigned char *dst, unsigned char *src,
382 int size, GLenum type, unsigned int stride,
383 unsigned int datalen)
384 {
385 unsigned int vsize = size * glSizeof(type);
386 if (stride == 0) stride = vsize;
387
388 if (stride == vsize) {
389 memcpy(dst, src, datalen);
390 } else {
391 for (unsigned int i = 0; i < datalen; i += vsize) {
392 memcpy(dst, src, vsize);
393 dst += vsize;
394 src += stride;
395 }
396 }
397 }
398
glUtilsPixelBitSize(GLenum format,GLenum type)399 int glUtilsPixelBitSize(GLenum format, GLenum type)
400 {
401 int components = 0;
402 int componentsize = 0;
403 int pixelsize = 0;
404 switch(type) {
405 case GL_BYTE:
406 case GL_UNSIGNED_BYTE:
407 componentsize = 8;
408 break;
409 case GL_SHORT:
410 case GL_UNSIGNED_SHORT:
411 case GL_UNSIGNED_SHORT_5_6_5:
412 case GL_UNSIGNED_SHORT_4_4_4_4:
413 case GL_UNSIGNED_SHORT_5_5_5_1:
414 case GL_RGB565_OES:
415 case GL_RGB5_A1_OES:
416 case GL_RGBA4_OES:
417 pixelsize = 16;
418 break;
419 case GL_INT:
420 case GL_UNSIGNED_INT:
421 case GL_FLOAT:
422 case GL_FIXED:
423 case GL_UNSIGNED_INT_24_8_OES:
424 pixelsize = 32;
425 break;
426 default:
427 ERR("glUtilsPixelBitSize: unknown pixel type - assuming pixel data 0\n");
428 componentsize = 0;
429 }
430
431 if (pixelsize == 0) {
432 switch(format) {
433 #if 0
434 case GL_RED:
435 case GL_GREEN:
436 case GL_BLUE:
437 #endif
438 case GL_ALPHA:
439 case GL_LUMINANCE:
440 case GL_DEPTH_COMPONENT:
441 case GL_DEPTH_STENCIL_OES:
442 components = 1;
443 break;
444 case GL_LUMINANCE_ALPHA:
445 components = 2;
446 break;
447 case GL_RGB:
448 #if 0
449 case GL_BGR:
450 #endif
451 components = 3;
452 break;
453 case GL_RGBA:
454 case GL_BGRA_EXT:
455 components = 4;
456 break;
457 default:
458 ERR("glUtilsPixelBitSize: unknown pixel format...\n");
459 components = 0;
460 }
461 pixelsize = components * componentsize;
462 }
463
464 return pixelsize;
465 }
466