VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/VBoxGLSupportInfo.cpp@ 74942

Last change on this file since 74942 was 71027, checked in by vboxsync, 6 years ago

FE/Qt: big svn props cleanup
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 24.4 KB
Line 
1/* $Id: VBoxGLSupportInfo.cpp 71027 2018-02-15 14:33:48Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - OpenGL support info used for 2D support detection.
4 */
5
6/*
7 * Copyright (C) 2009-2017 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifdef VBOX_WITH_PRECOMPILED_HEADERS
19# include <precomp.h>
20#else /* !VBOX_WITH_PRECOMPILED_HEADERS */
21
22# ifdef RT_OS_WINDOWS
23# include <iprt/win/windows.h> /* QGLWidget drags in Windows.h; -Wall forces us to use wrapper. */
24# include <iprt/stdint.h> /* QGLWidget drags in stdint.h; -Wall forces us to use wrapper. */
25# endif
26# include <QGLWidget>
27
28# include <iprt/assert.h>
29# include <iprt/log.h>
30# include <iprt/env.h>
31# include <iprt/param.h>
32# include <iprt/path.h>
33# include <iprt/process.h>
34# include <iprt/string.h>
35# include <iprt/time.h>
36# include <iprt/thread.h>
37
38# include <VBox/VBoxGL2D.h>
39# include "VBoxFBOverlayCommon.h"
40#endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
41
42#include <iprt/err.h>
43
44#include <QGLContext>
45
46
47/*****************/
48
49/* functions */
50
51PFNVBOXVHWA_ACTIVE_TEXTURE vboxglActiveTexture = NULL;
52PFNVBOXVHWA_MULTI_TEX_COORD2I vboxglMultiTexCoord2i = NULL;
53PFNVBOXVHWA_MULTI_TEX_COORD2D vboxglMultiTexCoord2d = NULL;
54PFNVBOXVHWA_MULTI_TEX_COORD2F vboxglMultiTexCoord2f = NULL;
55
56
57PFNVBOXVHWA_CREATE_SHADER vboxglCreateShader = NULL;
58PFNVBOXVHWA_SHADER_SOURCE vboxglShaderSource = NULL;
59PFNVBOXVHWA_COMPILE_SHADER vboxglCompileShader = NULL;
60PFNVBOXVHWA_DELETE_SHADER vboxglDeleteShader = NULL;
61
62PFNVBOXVHWA_CREATE_PROGRAM vboxglCreateProgram = NULL;
63PFNVBOXVHWA_ATTACH_SHADER vboxglAttachShader = NULL;
64PFNVBOXVHWA_DETACH_SHADER vboxglDetachShader = NULL;
65PFNVBOXVHWA_LINK_PROGRAM vboxglLinkProgram = NULL;
66PFNVBOXVHWA_USE_PROGRAM vboxglUseProgram = NULL;
67PFNVBOXVHWA_DELETE_PROGRAM vboxglDeleteProgram = NULL;
68
69PFNVBOXVHWA_IS_SHADER vboxglIsShader = NULL;
70PFNVBOXVHWA_GET_SHADERIV vboxglGetShaderiv = NULL;
71PFNVBOXVHWA_IS_PROGRAM vboxglIsProgram = NULL;
72PFNVBOXVHWA_GET_PROGRAMIV vboxglGetProgramiv = NULL;
73PFNVBOXVHWA_GET_ATTACHED_SHADERS vboxglGetAttachedShaders = NULL;
74PFNVBOXVHWA_GET_SHADER_INFO_LOG vboxglGetShaderInfoLog = NULL;
75PFNVBOXVHWA_GET_PROGRAM_INFO_LOG vboxglGetProgramInfoLog = NULL;
76
77PFNVBOXVHWA_GET_UNIFORM_LOCATION vboxglGetUniformLocation = NULL;
78
79PFNVBOXVHWA_UNIFORM1F vboxglUniform1f = NULL;
80PFNVBOXVHWA_UNIFORM2F vboxglUniform2f = NULL;
81PFNVBOXVHWA_UNIFORM3F vboxglUniform3f = NULL;
82PFNVBOXVHWA_UNIFORM4F vboxglUniform4f = NULL;
83
84PFNVBOXVHWA_UNIFORM1I vboxglUniform1i = NULL;
85PFNVBOXVHWA_UNIFORM2I vboxglUniform2i = NULL;
86PFNVBOXVHWA_UNIFORM3I vboxglUniform3i = NULL;
87PFNVBOXVHWA_UNIFORM4I vboxglUniform4i = NULL;
88
89PFNVBOXVHWA_GEN_BUFFERS vboxglGenBuffers = NULL;
90PFNVBOXVHWA_DELETE_BUFFERS vboxglDeleteBuffers = NULL;
91PFNVBOXVHWA_BIND_BUFFER vboxglBindBuffer = NULL;
92PFNVBOXVHWA_BUFFER_DATA vboxglBufferData = NULL;
93PFNVBOXVHWA_MAP_BUFFER vboxglMapBuffer = NULL;
94PFNVBOXVHWA_UNMAP_BUFFER vboxglUnmapBuffer = NULL;
95
96PFNVBOXVHWA_IS_FRAMEBUFFER vboxglIsFramebuffer = NULL;
97PFNVBOXVHWA_BIND_FRAMEBUFFER vboxglBindFramebuffer = NULL;
98PFNVBOXVHWA_DELETE_FRAMEBUFFERS vboxglDeleteFramebuffers = NULL;
99PFNVBOXVHWA_GEN_FRAMEBUFFERS vboxglGenFramebuffers = NULL;
100PFNVBOXVHWA_CHECK_FRAMEBUFFER_STATUS vboxglCheckFramebufferStatus = NULL;
101PFNVBOXVHWA_FRAMEBUFFER_TEXTURE1D vboxglFramebufferTexture1D = NULL;
102PFNVBOXVHWA_FRAMEBUFFER_TEXTURE2D vboxglFramebufferTexture2D = NULL;
103PFNVBOXVHWA_FRAMEBUFFER_TEXTURE3D vboxglFramebufferTexture3D = NULL;
104PFNVBOXVHWA_GET_FRAMEBUFFER_ATTACHMENT_PARAMETRIV vboxglGetFramebufferAttachmentParameteriv = NULL;
105
106#define VBOXVHWA_GETPROCADDRESS(_c, _t, _n) ((_t)(uintptr_t)(_c).getProcAddress(QString(_n)))
107
108#define VBOXVHWA_PFNINIT_SAME(_c, _t, _v, _rc) \
109 do { \
110 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_v)) == NULL) \
111 { \
112 VBOXQGLLOGREL(("ERROR: '%s' function not found\n", "gl"#_v));\
113 AssertBreakpoint(); \
114 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_v"ARB")) == NULL) \
115 { \
116 VBOXQGLLOGREL(("ERROR: '%s' function not found\n", "gl"#_v"ARB"));\
117 AssertBreakpoint(); \
118 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_v"EXT")) == NULL) \
119 { \
120 VBOXQGLLOGREL(("ERROR: '%s' function not found\n", "gl"#_v"EXT"));\
121 AssertBreakpoint(); \
122 (_rc)++; \
123 } \
124 } \
125 } \
126 }while(0)
127
128#define VBOXVHWA_PFNINIT(_c, _t, _v, _f,_rc) \
129 do { \
130 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_f)) == NULL) \
131 { \
132 VBOXQGLLOGREL(("ERROR: '%s' function is not found\n", "gl"#_f));\
133 AssertBreakpoint(); \
134 (_rc)++; \
135 } \
136 }while(0)
137
138#define VBOXVHWA_PFNINIT_OBJECT_ARB(_c, _t, _v, _rc) \
139 do { \
140 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_v"ObjectARB")) == NULL) \
141 { \
142 VBOXQGLLOGREL(("ERROR: '%s' function is not found\n", "gl"#_v"ObjectARB"));\
143 AssertBreakpoint(); \
144 (_rc)++; \
145 } \
146 }while(0)
147
148#define VBOXVHWA_PFNINIT_ARB(_c, _t, _v, _rc) \
149 do { \
150 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_v"ARB")) == NULL) \
151 { \
152 VBOXQGLLOGREL(("ERROR: '%s' function is not found\n", "gl"#_v"ARB"));\
153 AssertBreakpoint(); \
154 (_rc)++; \
155 } \
156 }while(0)
157
158#define VBOXVHWA_PFNINIT_EXT(_c, _t, _v, _rc) \
159 do { \
160 if((vboxgl##_v = VBOXVHWA_GETPROCADDRESS(_c, _t, "gl"#_v"EXT")) == NULL) \
161 { \
162 VBOXQGLLOGREL(("ERROR: '%s' function is not found\n", "gl"#_v"EXT"));\
163 AssertBreakpoint(); \
164 (_rc)++; \
165 } \
166 }while(0)
167
168static int vboxVHWAGlParseSubver(const GLubyte * ver, const GLubyte ** pNext, bool bSpacePrefixAllowed)
169{
170 int val = 0;
171
172 for(;;++ver)
173 {
174 if(*ver >= '0' && *ver <= '9')
175 {
176 if(!val)
177 {
178 if(*ver == '0')
179 continue;
180 }
181 else
182 {
183 val *= 10;
184 }
185 val += *ver - '0';
186 }
187 else if(*ver == '.')
188 {
189 *pNext = ver+1;
190 break;
191 }
192 else if(*ver == '\0')
193 {
194 *pNext = NULL;
195 break;
196 }
197 else if(*ver == ' ' || *ver == '\t' || *ver == 0x0d || *ver == 0x0a)
198 {
199 if(bSpacePrefixAllowed)
200 {
201 if(!val)
202 {
203 continue;
204 }
205 }
206
207 /* treat this as the end ov version string */
208 *pNext = NULL;
209 break;
210 }
211 else
212 {
213 Assert(0);
214 val = -1;
215 break;
216 }
217 }
218
219 return val;
220}
221
222/* static */
223int VBoxGLInfo::parseVersion(const GLubyte * ver)
224{
225 int iVer = vboxVHWAGlParseSubver(ver, &ver, true);
226 if(iVer)
227 {
228 iVer <<= 16;
229 if(ver)
230 {
231 int tmp = vboxVHWAGlParseSubver(ver, &ver, false);
232 if(tmp >= 0)
233 {
234 iVer |= tmp << 8;
235 if(ver)
236 {
237 tmp = vboxVHWAGlParseSubver(ver, &ver, false);
238 if(tmp >= 0)
239 {
240 iVer |= tmp;
241 }
242 else
243 {
244 Assert(0);
245 iVer = -1;
246 }
247 }
248 }
249 else
250 {
251 Assert(0);
252 iVer = -1;
253 }
254 }
255 }
256 return iVer;
257}
258
259void VBoxGLInfo::init(const QGLContext * pContext)
260{
261 if(mInitialized)
262 return;
263
264 mInitialized = true;
265
266 if (!QGLFormat::hasOpenGL())
267 {
268 VBOXQGLLOGREL (("no gl support available\n"));
269 return;
270 }
271
272// pContext->makeCurrent();
273
274 const GLubyte * str;
275 VBOXQGL_CHECKERR(
276 str = glGetString(GL_VERSION);
277 );
278
279 if(str)
280 {
281 VBOXQGLLOGREL (("gl version string: 0%s\n", str));
282
283 mGLVersion = parseVersion (str);
284 Assert(mGLVersion > 0);
285 if(mGLVersion < 0)
286 {
287 mGLVersion = 0;
288 }
289 else
290 {
291 VBOXQGLLOGREL (("gl version: 0x%x\n", mGLVersion));
292 VBOXQGL_CHECKERR(
293 str = glGetString (GL_EXTENSIONS);
294 );
295
296 VBOXQGLLOGREL (("gl extensions: %s\n", str));
297
298 const char * pos = strstr((const char *)str, "GL_ARB_multitexture");
299 m_GL_ARB_multitexture = pos != NULL;
300 VBOXQGLLOGREL (("GL_ARB_multitexture: %d\n", m_GL_ARB_multitexture));
301
302 pos = strstr((const char *)str, "GL_ARB_shader_objects");
303 m_GL_ARB_shader_objects = pos != NULL;
304 VBOXQGLLOGREL (("GL_ARB_shader_objects: %d\n", m_GL_ARB_shader_objects));
305
306 pos = strstr((const char *)str, "GL_ARB_fragment_shader");
307 m_GL_ARB_fragment_shader = pos != NULL;
308 VBOXQGLLOGREL (("GL_ARB_fragment_shader: %d\n", m_GL_ARB_fragment_shader));
309
310 pos = strstr((const char *)str, "GL_ARB_pixel_buffer_object");
311 m_GL_ARB_pixel_buffer_object = pos != NULL;
312 VBOXQGLLOGREL (("GL_ARB_pixel_buffer_object: %d\n", m_GL_ARB_pixel_buffer_object));
313
314 pos = strstr((const char *)str, "GL_ARB_texture_rectangle");
315 m_GL_ARB_texture_rectangle = pos != NULL;
316 VBOXQGLLOGREL (("GL_ARB_texture_rectangle: %d\n", m_GL_ARB_texture_rectangle));
317
318 pos = strstr((const char *)str, "GL_EXT_texture_rectangle");
319 m_GL_EXT_texture_rectangle = pos != NULL;
320 VBOXQGLLOGREL (("GL_EXT_texture_rectangle: %d\n", m_GL_EXT_texture_rectangle));
321
322 pos = strstr((const char *)str, "GL_NV_texture_rectangle");
323 m_GL_NV_texture_rectangle = pos != NULL;
324 VBOXQGLLOGREL (("GL_NV_texture_rectangle: %d\n", m_GL_NV_texture_rectangle));
325
326 pos = strstr((const char *)str, "GL_ARB_texture_non_power_of_two");
327 m_GL_ARB_texture_non_power_of_two = pos != NULL;
328 VBOXQGLLOGREL (("GL_ARB_texture_non_power_of_two: %d\n", m_GL_ARB_texture_non_power_of_two));
329
330 pos = strstr((const char *)str, "GL_EXT_framebuffer_object");
331 m_GL_EXT_framebuffer_object = pos != NULL;
332 VBOXQGLLOGREL (("GL_EXT_framebuffer_object: %d\n", m_GL_EXT_framebuffer_object));
333
334
335 initExtSupport(*pContext);
336 }
337 }
338 else
339 {
340 VBOXQGLLOGREL (("failed to make the context current, treating as unsupported\n"));
341 }
342}
343
344void VBoxGLInfo::initExtSupport(const QGLContext & context)
345{
346 int rc = 0;
347 do
348 {
349 rc = 0;
350 mMultiTexNumSupported = 1; /* default, 1 means not supported */
351 if(mGLVersion >= 0x010201) /* ogl >= 1.2.1 */
352 {
353 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_ACTIVE_TEXTURE, ActiveTexture, rc);
354 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_MULTI_TEX_COORD2I, MultiTexCoord2i, rc);
355 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_MULTI_TEX_COORD2D, MultiTexCoord2d, rc);
356 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_MULTI_TEX_COORD2F, MultiTexCoord2f, rc);
357 }
358 else if(m_GL_ARB_multitexture)
359 {
360 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_ACTIVE_TEXTURE, ActiveTexture, rc);
361 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_MULTI_TEX_COORD2I, MultiTexCoord2i, rc);
362 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_MULTI_TEX_COORD2D, MultiTexCoord2d, rc);
363 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_MULTI_TEX_COORD2F, MultiTexCoord2f, rc);
364 }
365 else
366 {
367 break;
368 }
369
370 if(RT_FAILURE(rc))
371 break;
372
373 GLint maxCoords, maxUnits;
374 glGetIntegerv(GL_MAX_TEXTURE_COORDS, &maxCoords);
375 glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &maxUnits);
376
377 VBOXQGLLOGREL(("Max Tex Coords (%d), Img Units (%d)\n", maxCoords, maxUnits));
378 /* take the minimum of those */
379 if(maxUnits < maxCoords)
380 maxCoords = maxUnits;
381 if(maxUnits < 2)
382 {
383 VBOXQGLLOGREL(("Max Tex Coord or Img Units < 2 disabling MultiTex support\n"));
384 break;
385 }
386
387 mMultiTexNumSupported = maxUnits;
388 }while(0);
389
390
391 do
392 {
393 rc = 0;
394 mPBOSupported = false;
395
396 if(m_GL_ARB_pixel_buffer_object)
397 {
398 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_GEN_BUFFERS, GenBuffers, rc);
399 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_DELETE_BUFFERS, DeleteBuffers, rc);
400 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_BIND_BUFFER, BindBuffer, rc);
401 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_BUFFER_DATA, BufferData, rc);
402 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_MAP_BUFFER, MapBuffer, rc);
403 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNMAP_BUFFER, UnmapBuffer, rc);
404 }
405 else
406 {
407 break;
408 }
409
410 if(RT_FAILURE(rc))
411 break;
412
413 mPBOSupported = true;
414 } while(0);
415
416 do
417 {
418 rc = 0;
419 mFragmentShaderSupported = false;
420
421 if(mGLVersion >= 0x020000) /* if ogl >= 2.0*/
422 {
423 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_CREATE_SHADER, CreateShader, rc);
424 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_SHADER_SOURCE, ShaderSource, rc);
425 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_COMPILE_SHADER, CompileShader, rc);
426 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_DELETE_SHADER, DeleteShader, rc);
427
428 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_CREATE_PROGRAM, CreateProgram, rc);
429 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_ATTACH_SHADER, AttachShader, rc);
430 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_DETACH_SHADER, DetachShader, rc);
431 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_LINK_PROGRAM, LinkProgram, rc);
432 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_USE_PROGRAM, UseProgram, rc);
433 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_DELETE_PROGRAM, DeleteProgram, rc);
434
435 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_IS_SHADER, IsShader, rc);
436 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_GET_SHADERIV, GetShaderiv, rc);
437 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_IS_PROGRAM, IsProgram, rc);
438 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_GET_PROGRAMIV, GetProgramiv, rc);
439 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_GET_ATTACHED_SHADERS, GetAttachedShaders, rc);
440 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_GET_SHADER_INFO_LOG, GetShaderInfoLog, rc);
441 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_GET_PROGRAM_INFO_LOG, GetProgramInfoLog, rc);
442
443 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_GET_UNIFORM_LOCATION, GetUniformLocation, rc);
444
445 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM1F, Uniform1f, rc);
446 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM2F, Uniform2f, rc);
447 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM3F, Uniform3f, rc);
448 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM4F, Uniform4f, rc);
449
450 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM1I, Uniform1i, rc);
451 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM2I, Uniform2i, rc);
452 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM3I, Uniform3i, rc);
453 VBOXVHWA_PFNINIT_SAME(context, PFNVBOXVHWA_UNIFORM4I, Uniform4i, rc);
454 }
455 else if(m_GL_ARB_shader_objects && m_GL_ARB_fragment_shader)
456 {
457 VBOXVHWA_PFNINIT_OBJECT_ARB(context, PFNVBOXVHWA_CREATE_SHADER, CreateShader, rc);
458 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_SHADER_SOURCE, ShaderSource, rc);
459 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_COMPILE_SHADER, CompileShader, rc);
460 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_DELETE_SHADER, DeleteShader, DeleteObjectARB, rc);
461
462 VBOXVHWA_PFNINIT_OBJECT_ARB(context, PFNVBOXVHWA_CREATE_PROGRAM, CreateProgram, rc);
463 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_ATTACH_SHADER, AttachShader, AttachObjectARB, rc);
464 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_DETACH_SHADER, DetachShader, DetachObjectARB, rc);
465 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_LINK_PROGRAM, LinkProgram, rc);
466 VBOXVHWA_PFNINIT_OBJECT_ARB(context, PFNVBOXVHWA_USE_PROGRAM, UseProgram, rc);
467 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_DELETE_PROGRAM, DeleteProgram, DeleteObjectARB, rc);
468
469 /// @todo VBOXVHWA_PFNINIT(PFNVBOXVHWA_IS_SHADER, IsShader, rc);
470 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_GET_SHADERIV, GetShaderiv, GetObjectParameterivARB, rc);
471 /// @todo VBOXVHWA_PFNINIT(PFNVBOXVHWA_IS_PROGRAM, IsProgram, rc);
472 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_GET_PROGRAMIV, GetProgramiv, GetObjectParameterivARB, rc);
473 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_GET_ATTACHED_SHADERS, GetAttachedShaders, GetAttachedObjectsARB, rc);
474 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_GET_SHADER_INFO_LOG, GetShaderInfoLog, GetInfoLogARB, rc);
475 VBOXVHWA_PFNINIT(context, PFNVBOXVHWA_GET_PROGRAM_INFO_LOG, GetProgramInfoLog, GetInfoLogARB, rc);
476
477 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_GET_UNIFORM_LOCATION, GetUniformLocation, rc);
478
479 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM1F, Uniform1f, rc);
480 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM2F, Uniform2f, rc);
481 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM3F, Uniform3f, rc);
482 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM4F, Uniform4f, rc);
483
484 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM1I, Uniform1i, rc);
485 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM2I, Uniform2i, rc);
486 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM3I, Uniform3i, rc);
487 VBOXVHWA_PFNINIT_ARB(context, PFNVBOXVHWA_UNIFORM4I, Uniform4i, rc);
488 }
489 else
490 {
491 break;
492 }
493
494 if(RT_FAILURE(rc))
495 break;
496
497 mFragmentShaderSupported = true;
498 } while(0);
499
500 do
501 {
502 rc = 0;
503 mFBOSupported = false;
504
505 if(m_GL_EXT_framebuffer_object)
506 {
507 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_IS_FRAMEBUFFER, IsFramebuffer, rc);
508 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_BIND_FRAMEBUFFER, BindFramebuffer, rc);
509 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_DELETE_FRAMEBUFFERS, DeleteFramebuffers, rc);
510 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_GEN_FRAMEBUFFERS, GenFramebuffers, rc);
511 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_CHECK_FRAMEBUFFER_STATUS, CheckFramebufferStatus, rc);
512 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_FRAMEBUFFER_TEXTURE1D, FramebufferTexture1D, rc);
513 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_FRAMEBUFFER_TEXTURE2D, FramebufferTexture2D, rc);
514 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_FRAMEBUFFER_TEXTURE3D, FramebufferTexture3D, rc);
515 VBOXVHWA_PFNINIT_EXT(context, PFNVBOXVHWA_GET_FRAMEBUFFER_ATTACHMENT_PARAMETRIV, GetFramebufferAttachmentParameteriv, rc);
516 }
517 else
518 {
519 break;
520 }
521
522 if(RT_FAILURE(rc))
523 break;
524
525 mFBOSupported = true;
526 } while(0);
527
528 if(m_GL_ARB_texture_rectangle || m_GL_EXT_texture_rectangle || m_GL_NV_texture_rectangle)
529 {
530 mTextureRectangleSupported = true;
531 }
532 else
533 {
534 mTextureRectangleSupported = false;
535 }
536
537 mTextureNP2Supported = m_GL_ARB_texture_non_power_of_two;
538}
539
540void VBoxVHWAInfo::init(const QGLContext * pContext)
541{
542 if(mInitialized)
543 return;
544
545 mInitialized = true;
546
547 mglInfo.init(pContext);
548
549 if(mglInfo.isFragmentShaderSupported() && mglInfo.isTextureRectangleSupported())
550 {
551 uint32_t num = 0;
552 mFourccSupportedList[num++] = FOURCC_AYUV;
553 mFourccSupportedList[num++] = FOURCC_UYVY;
554 mFourccSupportedList[num++] = FOURCC_YUY2;
555 if(mglInfo.getMultiTexNumSupported() >= 4)
556 {
557 /* YV12 currently requires 3 units (for each color component)
558 * + 1 unit for dst texture for color-keying + 3 units for each color component
559 * TODO: we could store YV12 data in one texture to eliminate this requirement*/
560 mFourccSupportedList[num++] = FOURCC_YV12;
561 }
562
563 Assert(num <= VBOXVHWA_NUMFOURCC);
564 mFourccSupportedCount = num;
565 }
566 else
567 {
568 mFourccSupportedCount = 0;
569 }
570}
571
572bool VBoxVHWAInfo::isVHWASupported() const
573{
574 if(mglInfo.getGLVersion() <= 0)
575 {
576 /* error occurred while gl info initialization */
577 VBOXQGLLOGREL(("2D not supported: gl version info not initialized properly\n"));
578 return false;
579 }
580
581#ifndef DEBUGVHWASTRICT
582 /* in case we do not support shaders & multitexturing we can not support dst colorkey,
583 * no sense to report Video Acceleration supported */
584 if(!mglInfo.isFragmentShaderSupported())
585 {
586 VBOXQGLLOGREL(("2D not supported: fragment shader unsupported\n"));
587 return false;
588 }
589#endif
590 if(mglInfo.getMultiTexNumSupported() < 2)
591 {
592 VBOXQGLLOGREL(("2D not supported: multitexture unsupported\n"));
593 return false;
594 }
595
596 /* color conversion now supported only GL_TEXTURE_RECTANGLE
597 * in this case only stretching is accelerated
598 * report as unsupported, TODO: probably should report as supported for stretch acceleration */
599 if(!mglInfo.isTextureRectangleSupported())
600 {
601 VBOXQGLLOGREL(("2D not supported: texture rectangle unsupported\n"));
602 return false;
603 }
604
605 VBOXQGLLOGREL(("2D is supported!\n"));
606 return true;
607}
608
609/* static */
610bool VBoxVHWAInfo::checkVHWASupport()
611{
612#if defined(RT_OS_WINDOWS) || defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD)
613 static char pszVBoxPath[RTPATH_MAX];
614 const char *papszArgs[] = { NULL, "-test", "2D", NULL};
615 int rc;
616 RTPROCESS Process;
617 RTPROCSTATUS ProcStatus;
618 uint64_t StartTS;
619
620 rc = RTPathExecDir(pszVBoxPath, RTPATH_MAX); AssertRCReturn(rc, false);
621#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
622 rc = RTPathAppend(pszVBoxPath, RTPATH_MAX, "VBoxTestOGL.exe");
623#else
624 rc = RTPathAppend(pszVBoxPath, RTPATH_MAX, "VBoxTestOGL");
625#endif
626 papszArgs[0] = pszVBoxPath; /* argv[0] */
627 AssertRCReturn(rc, false);
628
629 rc = RTProcCreate(pszVBoxPath, papszArgs, RTENV_DEFAULT, 0, &Process);
630 if (RT_FAILURE(rc))
631 {
632 VBOXQGLLOGREL(("2D support test failed: failed to create a test process\n"));
633 return false;
634 }
635
636 StartTS = RTTimeMilliTS();
637
638 while (1)
639 {
640 rc = RTProcWait(Process, RTPROCWAIT_FLAGS_NOBLOCK, &ProcStatus);
641 if (rc != VERR_PROCESS_RUNNING)
642 break;
643
644 if (RTTimeMilliTS() - StartTS > 30*1000 /* 30 sec */)
645 {
646 RTProcTerminate(Process);
647 RTThreadSleep(100);
648 RTProcWait(Process, RTPROCWAIT_FLAGS_NOBLOCK, &ProcStatus);
649 VBOXQGLLOGREL(("2D support test failed: the test did not complete within 30 sec\n"));
650 return false;
651 }
652 RTThreadSleep(100);
653 }
654
655 if (RT_SUCCESS(rc))
656 {
657 if ((ProcStatus.enmReason==RTPROCEXITREASON_NORMAL) && (ProcStatus.iStatus==0))
658 {
659 VBOXQGLLOGREL(("2D support test succeeded\n"));
660 return true;
661 }
662 }
663
664 VBOXQGLLOGREL(("2D support test failed: err code (%Rra)\n", rc));
665
666 return false;
667#else
668 /** @todo test & enable external app approach*/
669 VBoxGLTmpContext ctx;
670 const QGLContext *pContext = ctx.makeCurrent();
671 Assert(pContext);
672 if(pContext)
673 {
674 VBoxVHWAInfo info;
675 info.init(pContext);
676 return info.isVHWASupported();
677 }
678 return false;
679#endif
680}
681
682VBoxGLTmpContext::VBoxGLTmpContext()
683{
684 if(QGLFormat::hasOpenGL())
685 {
686 mWidget = new QGLWidget();
687 }
688 else
689 {
690 mWidget = NULL;
691 }
692}
693
694VBoxGLTmpContext::~VBoxGLTmpContext()
695{
696 if(mWidget)
697 delete mWidget;
698}
699
700const class QGLContext * VBoxGLTmpContext::makeCurrent()
701{
702 if(mWidget)
703 {
704 mWidget->makeCurrent();
705 return mWidget->context();
706 }
707 return NULL;
708}
709
Note: See TracBrowser for help on using the repository browser.

© 2023 Oracle
Contact – Privacy policy – Terms of Use