src/gpu/gl/debug/GrGLCreateDebugInterface.cpp - Issue 1815823002: Move SkGLContext and some GrGLInterface implementations to skgputest module

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Issue 1815823002: Move SkGLContext and some GrGLInterface implementations to skgputest module (Closed) Base URL: https://chromium.googlesource.com/skia.git@debugobject

Patch Set: fix windows and android? Created 4 years, 8 months ago

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1 /*

2 * Copyright 2012 Google Inc.

3 *

4 * Use of this source code is governed by a BSD-style license that can be

5 * found in the LICENSE file.

6 */

7

8

9 #include "gl/GrGLInterface.h"

10

11 #include "GrBufferObj.h"

12 #include "GrFrameBufferObj.h"

13 #include "GrProgramObj.h"

14 #include "GrRenderBufferObj.h"

15 #include "GrShaderObj.h"

16 #include "GrTextureObj.h"

17 #include "GrTextureUnitObj.h"

18 #include "GrVertexArrayObj.h"

19 #include "gl/GrGLTestInterface.h"

20

21 #include "SkMutex.h"

22

23 namespace {

24

25 // Helper macro to make creating an object (where you need to get back a derived type) easier

26 #define CREATE(className, classEnum) \

27 reinterpret_cast<className *>(this->createObj(classEnum))

28

29 // Helper macro to make creating an object (where you need to get back a derived type) easier

30 #define FIND(id, className, classEnum) \

31 reinterpret_cast<className *>(this->findObject(id, classEnum))

32

33 class DebugInterface : public GrGLTestInterface {

34 public:

35 DebugInterface()

36 : fCurrGenericID(0)

37 , fCurrTextureUnit(0)

38 , fArrayBuffer(nullptr)

39 , fElementArrayBuffer(nullptr)

40 , fVertexArray(nullptr)

41 , fPackRowLength(0)

42 , fUnpackRowLength(0)

43 , fPackAlignment(4)

44 , fFrameBuffer(nullptr)

45 , fRenderBuffer(nullptr)

46 , fProgram(nullptr)

47 , fAbandoned(false) {

48 for (int i = 0; i < kDefaultMaxTextureUnits; ++i) {

49 fTextureUnits[i] =

50 reinterpret_cast<GrTextureUnitObj*>(this->createObj(kTextureUnit _ObjTypes));

51 fTextureUnits[i]->ref();

52 fTextureUnits[i]->setNumber(i);

53 }

54 this->init(kGL_GrGLStandard);

55 }

56

57 ~DebugInterface() override {

58 // unref & delete the texture units first so they don't show up on the l eak report

59 for (int i = 0; i < kDefaultMaxTextureUnits; ++i) {

60 fTextureUnits[i]->unref();

61 fTextureUnits[i]->deleteAction();

62 }

63 for (int i = 0; i < fObjects.count(); ++i) {

64 delete fObjects[i];

65 }

66 fObjects.reset();

67

68 fArrayBuffer = nullptr;

69 fElementArrayBuffer = nullptr;

70 fVertexArray = nullptr;

71

72 this->report();

73 }

74

75 void abandon() const override { fAbandoned = true; }

76

77 GrGLvoid activeTexture(GrGLenum texture) override {

78 // Ganesh offsets the texture unit indices

79 texture -= GR_GL_TEXTURE0;

80 GrAlwaysAssert(texture < kDefaultMaxTextureUnits);

81 fCurrTextureUnit = texture;

82 }

83

84 GrGLvoid attachShader(GrGLuint programID, GrGLuint shaderID) override {

85

86 GrProgramObj *program = FIND(programID, GrProgramObj, kProgram_ObjTypes) ;

87 GrAlwaysAssert(program);

88

89 GrShaderObj *shader = FIND(shaderID, GrShaderObj, kShader_ObjTypes);

90 GrAlwaysAssert(shader);

91

92 program->AttachShader(shader);

93 }

94

95 //////////////////////////////////////////////////////////////////////////// ////

96 GrGLvoid bindTexture(GrGLenum target, GrGLuint textureID) override {

97 GrAlwaysAssert(target == GR_GL_TEXTURE_2D \|\|

98 target == GR_GL_TEXTURE_RECTANGLE \|\|

99 target == GR_GL_TEXTURE_EXTERNAL);

100

101 // a textureID of 0 is acceptable - it binds to the default texture targ et

102 GrTextureObj *texture = FIND(textureID, GrTextureObj, kTexture_ObjTypes) ;

103

104 this->setTexture(texture);

105 }

106

107 //////////////////////////////////////////////////////////////////////////// ////

108 GrGLvoid bufferData(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data ,

109 GrGLenum usage) override {

110 GrAlwaysAssert(GR_GL_ARRAY_BUFFER == target \|\|

111 GR_GL_ELEMENT_ARRAY_BUFFER == target);

112 GrAlwaysAssert(size >= 0);

113 GrAlwaysAssert(GR_GL_STREAM_DRAW == usage \|\|

114 GR_GL_STATIC_DRAW == usage \|\|

115 GR_GL_DYNAMIC_DRAW == usage);

116

117 GrBufferObj *buffer = nullptr;

118 switch (target) {

119 case GR_GL_ARRAY_BUFFER:

120 buffer = this->getArrayBuffer();

121 break;

122 case GR_GL_ELEMENT_ARRAY_BUFFER:

123 buffer = this->getElementArrayBuffer();

124 break;

125 default:

126 SkFAIL("Unexpected target to glBufferData");

127 break;

128 }

129

130 GrAlwaysAssert(buffer);

131 GrAlwaysAssert(buffer->getBound());

132

133 buffer->allocate(size, reinterpret_cast<const GrGLchar *>(data));

134 buffer->setUsage(usage);

135 }

136

137

138 GrGLvoid pixelStorei(GrGLenum pname, GrGLint param) override {

139

140 switch (pname) {

141 case GR_GL_UNPACK_ROW_LENGTH:

142 fUnpackRowLength = param;

143 break;

144 case GR_GL_PACK_ROW_LENGTH:

145 fPackRowLength = param;

146 break;

147 case GR_GL_UNPACK_ALIGNMENT:

148 break;

149 case GR_GL_PACK_ALIGNMENT:

150 fPackAlignment = param;

151 break;

152 default:

153 GrAlwaysAssert(false);

154 break;

155 }

156 }

157

158 GrGLvoid readPixels(GrGLint x,

159 GrGLint y,

160 GrGLsizei width,

161 GrGLsizei height,

162 GrGLenum format,

163 GrGLenum type,

164 GrGLvoid* pixels) override {

165

166 GrGLint pixelsInRow = width;

167 if (fPackRowLength > 0) {

168 pixelsInRow = fPackRowLength;

169 }

170

171 GrGLint componentsPerPixel = 0;

172

173 switch (format) {

174 case GR_GL_RGBA:

175 // fallthrough

176 case GR_GL_BGRA:

177 componentsPerPixel = 4;

178 break;

179 case GR_GL_RGB:

180 componentsPerPixel = 3;

181 break;

182 case GR_GL_RED:

183 componentsPerPixel = 1;

184 break;

185 default:

186 GrAlwaysAssert(false);

187 break;

188 }

189

190 GrGLint alignment = fPackAlignment;

191

192 GrGLint componentSize = 0; // size (in bytes) of a single component

193

194 switch (type) {

195 case GR_GL_UNSIGNED_BYTE:

196 componentSize = 1;

197 break;

198 default:

199 GrAlwaysAssert(false);

200 break;

201 }

202

203 GrGLint rowStride = 0; // number of components (not bytes) to skip

204 if (componentSize >= alignment) {

205 rowStride = componentsPerPixel * pixelsInRow;

206 } else {

207 float fTemp =

208 sk_float_ceil(componentSize * componentsPerPixel * pixelsInRow /

209 static_cast<float>(alignment));

210 rowStride = static_cast<GrGLint>(alignment * fTemp / componentSize);

211 }

212

213 GrGLchar scanline = static_cast<GrGLchar >(pixels);

214 for (int y = 0; y < height; ++y) {

215 memset(scanline, 0, componentsPerPixel * componentSize * width);

216 scanline += rowStride;

217 }

218 }

219

220 GrGLvoid useProgram(GrGLuint programID) override {

221

222 // A programID of 0 is legal

223 GrProgramObj *program = FIND(programID, GrProgramObj, kProgram_ObjTypes );

224

225 this->useProgram(program);

226 }

227

228 GrGLvoid bindFramebuffer(GrGLenum target, GrGLuint frameBufferID) override {

229

230 GrAlwaysAssert(GR_GL_FRAMEBUFFER == target \|\|

231 GR_GL_READ_FRAMEBUFFER == target \|\|

232 GR_GL_DRAW_FRAMEBUFFER);

233

234 // a frameBufferID of 0 is acceptable - it binds to the default

235 // frame buffer

236 GrFrameBufferObj *frameBuffer = FIND(frameBufferID, GrFrameBufferObj,

237 kFrameBuffer_ObjTypes);

238

239 this->setFrameBuffer(frameBuffer);

240 }

241

242 GrGLvoid bindRenderbuffer(GrGLenum target, GrGLuint renderBufferID) overrid e {

243

244 GrAlwaysAssert(GR_GL_RENDERBUFFER == target);

245

246 // a renderBufferID of 0 is acceptable - it unbinds the bound render bu ffer

247 GrRenderBufferObj *renderBuffer = FIND(renderBufferID, GrRenderBufferOb j,

248 kRenderBuffer_ObjTypes);

249

250 this->setRenderBuffer(renderBuffer);

251 }

252

253 GrGLvoid deleteTextures(GrGLsizei n, const GrGLuint* textures) override {

254 // first potentially unbind the texture

255 for (unsigned int i = 0; i < kDefaultMaxTextureUnits; ++i) {

256 GrTextureUnitObj *pTU = this->getTextureUnit(i);

257

258 if (pTU->getTexture()) {

259 for (int j = 0; j < n; ++j) {

260

261 if (textures[j] == pTU->getTexture()->getID()) {

262 // this ID is the current texture - revert the binding to 0

263 pTU->setTexture(nullptr);

264 }

265 }

266 }

267 }

268

269 // TODO: fuse the following block with DeleteRenderBuffers?

270 // Open GL will remove a deleted render buffer from the active

271 // frame buffer but not from any other frame buffer

272 if (this->getFrameBuffer()) {

273

274 GrFrameBufferObj *frameBuffer = this->getFrameBuffer();

275

276 for (int i = 0; i < n; ++i) {

277

278 if (frameBuffer->getColor() &&

279 textures[i] == frameBuffer->getColor()->getID()) {

280 frameBuffer->setColor(nullptr);

281 }

282 if (frameBuffer->getDepth() &&

283 textures[i] == frameBuffer->getDepth()->getID()) {

284 frameBuffer->setDepth(nullptr);

285 }

286 if (frameBuffer->getStencil() &&

287 textures[i] == frameBuffer->getStencil()->getID()) {

288 frameBuffer->setStencil(nullptr);

289 }

290 }

291 }

292

293 // then actually "delete" the buffers

294 for (int i = 0; i < n; ++i) {

295 GrTextureObj *buffer = FIND(textures[i], GrTextureObj, kTexture_Obj Types);

296 GrAlwaysAssert(buffer);

297

298 // OpenGL gives no guarantees if a texture is deleted while attache d to

299 // something other than the currently bound frame buffer

300 GrAlwaysAssert(!buffer->getBound());

301

302 GrAlwaysAssert(!buffer->getDeleted());

303 buffer->deleteAction();

304 }

305

306 }

307

308 GrGLvoid deleteFramebuffers(GrGLsizei n, const GrGLuint *frameBuffers) over ride {

309

310 // first potentially unbind the buffers

311 if (this->getFrameBuffer()) {

312 for (int i = 0; i < n; ++i) {

313

314 if (frameBuffers[i] ==

315 this->getFrameBuffer()->getID()) {

316 // this ID is the current frame buffer - rebind to the defa ult

317 this->setFrameBuffer(nullptr);

318 }

319 }

320 }

321

322 // then actually "delete" the buffers

323 for (int i = 0; i < n; ++i) {

324 GrFrameBufferObj *buffer = FIND(frameBuffers[i], GrFrameBufferObj,

325 kFrameBuffer_ObjTypes);

326 GrAlwaysAssert(buffer);

327

328 GrAlwaysAssert(!buffer->getDeleted());

329 buffer->deleteAction();

330 }

331 }

332

333 GrGLvoid deleteRenderbuffers(GrGLsizei n,const GrGLuint *renderBuffers) ove rride {

334

335 // first potentially unbind the buffers

336 if (this->getRenderBuffer()) {

337 for (int i = 0; i < n; ++i) {

338

339 if (renderBuffers[i] ==

340 this->getRenderBuffer()->getID()) {

341 // this ID is the current render buffer - make no

342 // render buffer be bound

343 this->setRenderBuffer(nullptr);

344 }

345 }

346 }

347

348 // TODO: fuse the following block with DeleteTextures?

349 // Open GL will remove a deleted render buffer from the active frame

350 // buffer but not from any other frame buffer

351 if (this->getFrameBuffer()) {

352

353 GrFrameBufferObj *frameBuffer = this->getFrameBuffer();

354

355 for (int i = 0; i < n; ++i) {

356

357 if (frameBuffer->getColor() &&

358 renderBuffers[i] == frameBuffer->getColor()->getID()) {

359 frameBuffer->setColor(nullptr);

360 }

361 if (frameBuffer->getDepth() &&

362 renderBuffers[i] == frameBuffer->getDepth()->getID()) {

363 frameBuffer->setDepth(nullptr);

364 }

365 if (frameBuffer->getStencil() &&

366 renderBuffers[i] == frameBuffer->getStencil()->getID()) {

367 frameBuffer->setStencil(nullptr);

368 }

369 }

370 }

371

372 // then actually "delete" the buffers

373 for (int i = 0; i < n; ++i) {

374 GrRenderBufferObj *buffer = FIND(renderBuffers[i], GrRenderBufferOb j,

375 kRenderBuffer_ObjTypes);

376 GrAlwaysAssert(buffer);

377

378 // OpenGL gives no guarantees if a render buffer is deleted

379 // while attached to something other than the currently

380 // bound frame buffer

381 GrAlwaysAssert(!buffer->getColorBound());

382 GrAlwaysAssert(!buffer->getDepthBound());

383 // However, at GrContext destroy time we release all GrRsources and so stencil buffers

384 // may get deleted before FBOs that refer to them.

385 //GrAlwaysAssert(!buffer->getStencilBound());

386

387 GrAlwaysAssert(!buffer->getDeleted());

388 buffer->deleteAction();

389 }

390 }

391

392 GrGLvoid framebufferRenderbuffer(GrGLenum target,

393 GrGLenum attachment,

394 GrGLenum renderbuffertarget,

395 GrGLuint renderBufferID) override {

396

397 GrAlwaysAssert(GR_GL_FRAMEBUFFER == target);

398 GrAlwaysAssert(GR_GL_COLOR_ATTACHMENT0 == attachment \|\|

399 GR_GL_DEPTH_ATTACHMENT == attachment \|\|

400 GR_GL_STENCIL_ATTACHMENT == attachment);

401 GrAlwaysAssert(GR_GL_RENDERBUFFER == renderbuffertarget);

402

403 GrFrameBufferObj *framebuffer = this->getFrameBuffer();

404 // A render buffer cannot be attached to the default framebuffer

405 GrAlwaysAssert(framebuffer);

406

407 // a renderBufferID of 0 is acceptable - it unbinds the current

408 // render buffer

409 GrRenderBufferObj *renderbuffer = FIND(renderBufferID, GrRenderBufferOb j,

410 kRenderBuffer_ObjTypes);

411

412 switch (attachment) {

413 case GR_GL_COLOR_ATTACHMENT0:

414 framebuffer->setColor(renderbuffer);

415 break;

416 case GR_GL_DEPTH_ATTACHMENT:

417 framebuffer->setDepth(renderbuffer);

418 break;

419 case GR_GL_STENCIL_ATTACHMENT:

420 framebuffer->setStencil(renderbuffer);

421 break;

422 default:

423 GrAlwaysAssert(false);

424 break;

425 };

426

427 }

428

429 /////////////////////////////////////////////////////////////////////////// /////

430 GrGLvoid framebufferTexture2D(GrGLenum target, GrGLenum attachment, GrGLenu m textarget,

431 GrGLuint textureID, GrGLint level) override {

432

433 GrAlwaysAssert(GR_GL_FRAMEBUFFER == target);

434 GrAlwaysAssert(GR_GL_COLOR_ATTACHMENT0 == attachment \|\|

435 GR_GL_DEPTH_ATTACHMENT == attachment \|\|

436 GR_GL_STENCIL_ATTACHMENT == attachment);

437 GrAlwaysAssert(GR_GL_TEXTURE_2D == textarget);

438

439 GrFrameBufferObj *framebuffer = this->getFrameBuffer();

440 // A texture cannot be attached to the default framebuffer

441 GrAlwaysAssert(framebuffer);

442

443 // A textureID of 0 is allowed - it unbinds the currently bound texture

444 GrTextureObj *texture = FIND(textureID, GrTextureObj, kTexture_ObjTypes );

445 if (texture) {

446 // The texture shouldn't be bound to a texture unit - this

447 // could lead to a feedback loop

448 GrAlwaysAssert(!texture->getBound());

449 }

450

451 GrAlwaysAssert(0 == level);

452

453 switch (attachment) {

454 case GR_GL_COLOR_ATTACHMENT0:

455 framebuffer->setColor(texture);

456 break;

457 case GR_GL_DEPTH_ATTACHMENT:

458 framebuffer->setDepth(texture);

459 break;

460 case GR_GL_STENCIL_ATTACHMENT:

461 framebuffer->setStencil(texture);

462 break;

463 default:

464 GrAlwaysAssert(false);

465 break;

466 };

467 }

468

469 GrGLuint createProgram() override {

470

471 GrProgramObj *program = CREATE(GrProgramObj, kProgram_ObjTypes);

472

473 return program->getID();

474 }

475

476 GrGLuint createShader(GrGLenum type) override {

477

478 GrAlwaysAssert(GR_GL_VERTEX_SHADER == type \|\|

479 GR_GL_FRAGMENT_SHADER == type);

480

481 GrShaderObj *shader = CREATE(GrShaderObj, kShader_ObjTypes);

482 shader->setType(type);

483

484 return shader->getID();

485 }

486

487 GrGLenum checkFramebufferStatus(GrGLenum target) override { return GR_GL_FRA MEBUFFER_COMPLETE; }

488

489 GrGLvoid deleteProgram(GrGLuint programID) override {

490

491 GrProgramObj *program = FIND(programID, GrProgramObj, kProgram_ObjTypes) ;

492 GrAlwaysAssert(program);

493

494 if (program->getRefCount()) {

495 // someone is still using this program so we can't delete it here

496 program->setMarkedForDeletion();

497 } else {

498 program->deleteAction();

499 }

500 }

501

502 GrGLvoid deleteShader(GrGLuint shaderID) override {

503

504 GrShaderObj *shader = FIND(shaderID, GrShaderObj, kShader_ObjTypes);

505 GrAlwaysAssert(shader);

506

507 if (shader->getRefCount()) {

508 // someone is still using this shader so we can't delete it here

509 shader->setMarkedForDeletion();

510 } else {

511 shader->deleteAction();

512 }

513 }

514

515 GrGLvoid genBuffers(GrGLsizei n, GrGLuint* ids) override {

516 this->genObjs(kBuffer_ObjTypes, n, ids);

517 }

518

519 GrGLvoid genFramebuffers(GrGLsizei n, GrGLuint* ids) override {

520 this->genObjs(kFrameBuffer_ObjTypes, n, ids);

521 }

522

523 GrGLvoid genRenderbuffers(GrGLsizei n, GrGLuint* ids) override {

524 this->genObjs(kRenderBuffer_ObjTypes, n, ids);

525 }

526

527 GrGLvoid genTextures(GrGLsizei n, GrGLuint* ids) override {

528 this->genObjs(kTexture_ObjTypes, n, ids);

529 }

530

531 GrGLvoid genVertexArrays(GrGLsizei n, GrGLuint* ids) override {

532 this->genObjs(kVertexArray_ObjTypes, n, ids);

533 }

534

535 GrGLvoid genQueries(GrGLsizei n, GrGLuint *ids) override { this->genGenericI ds(n, ids); }

536

537 GrGLenum getError() override { return GR_GL_NO_ERROR; }

538

539 GrGLvoid getIntegerv(GrGLenum pname, GrGLint* params) override {

540 // TODO: remove from Ganesh the #defines for gets we don't use.

541 // We would like to minimize gets overall due to performance issues

542 switch (pname) {

543 case GR_GL_CONTEXT_PROFILE_MASK:

544 *params = GR_GL_CONTEXT_COMPATIBILITY_PROFILE_BIT;

545 break;

546 case GR_GL_STENCIL_BITS:

547 *params = 8;

548 break;

549 case GR_GL_SAMPLES:

550 *params = 1;

551 break;

552 case GR_GL_FRAMEBUFFER_BINDING:

553 *params = 0;

554 break;

555 case GR_GL_VIEWPORT:

556 params[0] = 0;

557 params[1] = 0;

558 params[2] = 800;

559 params[3] = 600;

560 break;

561 case GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:

562 case GR_GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS:

563 case GR_GL_MAX_TEXTURE_IMAGE_UNITS:

564 case GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:

565 *params = 8;

566 break;

567 case GR_GL_MAX_TEXTURE_COORDS:

568 *params = 8;

569 break;

570 case GR_GL_MAX_VERTEX_UNIFORM_VECTORS:

571 *params = kDefaultMaxVertexUniformVectors;

572 break;

573 case GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS:

574 *params = kDefaultMaxFragmentUniformVectors;

575 break;

576 case GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:

577 params = 16 4;

578 break;

579 case GR_GL_NUM_COMPRESSED_TEXTURE_FORMATS:

580 *params = 0;

581 break;

582 case GR_GL_COMPRESSED_TEXTURE_FORMATS:

583 break;

584 case GR_GL_MAX_TEXTURE_SIZE:

585 *params = 8192;

586 break;

587 case GR_GL_MAX_RENDERBUFFER_SIZE:

588 *params = 8192;

589 break;

590 case GR_GL_MAX_SAMPLES:

591 *params = 32;

592 break;

593 case GR_GL_MAX_VERTEX_ATTRIBS:

594 *params = kDefaultMaxVertexAttribs;

595 break;

596 case GR_GL_MAX_VARYING_VECTORS:

597 *params = kDefaultMaxVaryingVectors;

598 break;

599 case GR_GL_NUM_EXTENSIONS: {

600 GrGLint i = 0;

601 while (kExtensions[i++]);

602 *params = i;

603 break;

604 }

605 default:

606 SkFAIL("Unexpected pname to GetIntegerv");

607 }

608 }

609

610 GrGLvoid getMultisamplefv(GrGLenum pname, GrGLuint index, GrGLfloat* val) ov erride {

611 val[0] = val[1] = 0.5f;

612 }

613

614 GrGLvoid getProgramiv(GrGLuint program, GrGLenum pname, GrGLint* params) ove rride {

615 this->getShaderOrProgramiv(program, pname, params);

616 }

617

618 GrGLvoid getProgramInfoLog(GrGLuint program, GrGLsizei bufsize, GrGLsizei* l ength,

619 char* infolog) override {

620 this->getInfoLog(program, bufsize, length, infolog);

621 }

622

623 GrGLvoid getQueryiv(GrGLenum GLtarget, GrGLenum pname, GrGLint *params) over ride {

624 switch (pname) {

625 case GR_GL_CURRENT_QUERY:

626 *params = 0;

627 break;

628 case GR_GL_QUERY_COUNTER_BITS:

629 *params = 32;

630 break;

631 default:

632 SkFAIL("Unexpected pname passed GetQueryiv.");

633 }

634 }

635

636 GrGLvoid getQueryObjecti64v(GrGLuint id, GrGLenum pname, GrGLint64 *params) override {

637 this->queryResult(id, pname, params);

638 }

639

640 GrGLvoid getQueryObjectiv(GrGLuint id, GrGLenum pname, GrGLint *params) over ride {

641 this->queryResult(id, pname, params);

642 }

643

644 GrGLvoid getQueryObjectui64v(GrGLuint id, GrGLenum pname, GrGLuint64 *params ) override {

645 this->queryResult(id, pname, params);

646 }

647

648 GrGLvoid getQueryObjectuiv(GrGLuint id, GrGLenum pname, GrGLuint *params) ov erride {

649 this->queryResult(id, pname, params);

650 }

651

652 GrGLvoid getShaderiv(GrGLuint shader, GrGLenum pname, GrGLint* params) overr ide {

653 this->getShaderOrProgramiv(shader, pname, params);

654 }

655

656 GrGLvoid getShaderInfoLog(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* len gth,

657 char* infolog) override {

658 this->getInfoLog(shader, bufsize, length, infolog);

659 }

660

661 const GrGLubyte* getString(GrGLenum name) override {

662 switch (name) {

663 case GR_GL_EXTENSIONS:

664 return CombinedExtensionString();

665 case GR_GL_VERSION:

666 return (const GrGLubyte*)"4.0 Debug GL";

667 case GR_GL_SHADING_LANGUAGE_VERSION:

668 return (const GrGLubyte*)"4.20.8 Debug GLSL";

669 case GR_GL_VENDOR:

670 return (const GrGLubyte*)"Debug Vendor";

671 case GR_GL_RENDERER:

672 return (const GrGLubyte*)"The Debug (Non-)Renderer";

673 default:

674 SkFAIL("Unexpected name passed to GetString");

675 return nullptr;

676 }

677 }

678

679 const GrGLubyte* getStringi(GrGLenum name, GrGLuint i) override {

680 switch (name) {

681 case GR_GL_EXTENSIONS: {

682 GrGLint count;

683 this->getIntegerv(GR_GL_NUM_EXTENSIONS, &count);

684 if ((GrGLint)i <= count) {

685 return (const GrGLubyte*) kExtensions[i];

686 } else {

687 return nullptr;

688 }

689 }

690 default:

691 SkFAIL("Unexpected name passed to GetStringi");

692 return nullptr;

693 }

694 }

695

696 GrGLvoid getTexLevelParameteriv(GrGLenum target, GrGLint level, GrGLenum pna me,

697 GrGLint* params) override {

698 // we used to use this to query stuff about externally created textures,

699 // now we just require clients to tell us everything about the texture.

700 SkFAIL("Should never query texture parameters.");

701 }

702

703 GrGLvoid deleteVertexArrays(GrGLsizei n, const GrGLuint* ids) override {

704 for (GrGLsizei i = 0; i < n; ++i) {

705 GrVertexArrayObj* array = FIND(ids[i], GrVertexArrayObj, kVertexArra y_ObjTypes);

706 GrAlwaysAssert(array);

707

708 // Deleting the current vertex array binds object 0

709 if (this->getVertexArray() == array) {

710 this->setVertexArray(nullptr);

711 }

712

713 if (array->getRefCount()) {

714 // someone is still using this vertex array so we can't delete i t here

715 array->setMarkedForDeletion();

716 } else {

717 array->deleteAction();

718 }

719 }

720 }

721

722 GrGLvoid bindVertexArray(GrGLuint id) override {

723 GrVertexArrayObj* array = FIND(id, GrVertexArrayObj, kVertexArray_ObjTyp es);

724 GrAlwaysAssert((0 == id) \|\| array);

725 this->setVertexArray(array);

726 }

727

728 GrGLvoid bindBuffer(GrGLenum target, GrGLuint bufferID) override {

729 GrAlwaysAssert(GR_GL_ARRAY_BUFFER == target \|\| GR_GL_ELEMENT_ARRAY_BUFFE R == target);

730

731 GrBufferObj *buffer = FIND(bufferID, GrBufferObj, kBuffer_ObjTypes);

732 // 0 is a permissible bufferID - it unbinds the current buffer

733

734 switch (target) {

735 case GR_GL_ARRAY_BUFFER:

736 this->setArrayBuffer(buffer);

737 break;

738 case GR_GL_ELEMENT_ARRAY_BUFFER:

739 this->setElementArrayBuffer(buffer);

740 break;

741 default:

742 SkFAIL("Unexpected target to glBindBuffer");

743 break;

744 }

745 }

746

747 // deleting a bound buffer has the side effect of binding 0

748 GrGLvoid deleteBuffers(GrGLsizei n, const GrGLuint* ids) override {

749 // first potentially unbind the buffers

750 for (int i = 0; i < n; ++i) {

751

752 if (this->getArrayBuffer() &&

753 ids[i] == this->getArrayBuffer()->getID()) {

754 // this ID is the current array buffer

755 this->setArrayBuffer(nullptr);

756 }

757 if (this->getElementArrayBuffer() &&

758 ids[i] == this->getElementArrayBuffer()->getID()) {

759 // this ID is the current element array buffer

760 this->setElementArrayBuffer(nullptr);

761 }

762 }

763

764 // then actually "delete" the buffers

765 for (int i = 0; i < n; ++i) {

766 GrBufferObj *buffer = FIND(ids[i], GrBufferObj, kBuffer_ObjTypes);

767 GrAlwaysAssert(buffer);

768

769 GrAlwaysAssert(!buffer->getDeleted());

770 buffer->deleteAction();

771 }

772 }

773

774 // map a buffer to the caller's address space

775 GrGLvoid* mapBufferRange(GrGLenum target, GrGLintptr offset, GrGLsizeiptr le ngth,

776 GrGLbitfield access) override {

777 GrAlwaysAssert(GR_GL_ARRAY_BUFFER == target \|\|

778 GR_GL_ELEMENT_ARRAY_BUFFER == target);

779

780 // We only expect read access and we expect that the buffer or range is always invalidated.

781 GrAlwaysAssert(!SkToBool(GR_GL_MAP_READ_BIT & access));

782 GrAlwaysAssert((GR_GL_MAP_INVALIDATE_BUFFER_BIT \| GR_GL_MAP_INVALIDATE_R ANGE_BIT) & access);

783

784 GrBufferObj *buffer = nullptr;

785 switch (target) {

786 case GR_GL_ARRAY_BUFFER:

787 buffer = this->getArrayBuffer();

788 break;

789 case GR_GL_ELEMENT_ARRAY_BUFFER:

790 buffer = this->getElementArrayBuffer();

791 break;

792 default:

793 SkFAIL("Unexpected target to glMapBufferRange");

794 break;

795 }

796

797 if (buffer) {

798 GrAlwaysAssert(offset >= 0 && offset + length <= buffer->getSize());

799 GrAlwaysAssert(!buffer->getMapped());

800 buffer->setMapped(offset, length);

801 return buffer->getDataPtr() + offset;

802 }

803

804 GrAlwaysAssert(false);

805 return nullptr; // no buffer bound to the target

806 }

807

808 GrGLvoid* mapBuffer(GrGLenum target, GrGLenum access) override {

809 GrAlwaysAssert(GR_GL_WRITE_ONLY == access);

810

811 GrBufferObj *buffer = nullptr;

812 switch (target) {

813 case GR_GL_ARRAY_BUFFER:

814 buffer = this->getArrayBuffer();

815 break;

816 case GR_GL_ELEMENT_ARRAY_BUFFER:

817 buffer = this->getElementArrayBuffer();

818 break;

819 default:

820 SkFAIL("Unexpected target to glMapBuffer");

821 break;

822 }

823

824 return this->mapBufferRange(target, 0, buffer->getSize(),

825 GR_GL_MAP_WRITE_BIT \| GR_GL_MAP_INVALIDATE_B UFFER_BIT);

826 }

827

828 // remove a buffer from the caller's address space

829 // TODO: check if the "access" method from "glMapBuffer" was honored

830 GrGLboolean unmapBuffer(GrGLenum target) override {

831 GrAlwaysAssert(GR_GL_ARRAY_BUFFER == target \|\|

832 GR_GL_ELEMENT_ARRAY_BUFFER == target);

833

834 GrBufferObj *buffer = nullptr;

835 switch (target) {

836 case GR_GL_ARRAY_BUFFER:

837 buffer = this->getArrayBuffer();

838 break;

839 case GR_GL_ELEMENT_ARRAY_BUFFER:

840 buffer = this->getElementArrayBuffer();

841 break;

842 default:

843 SkFAIL("Unexpected target to glUnmapBuffer");

844 break;

845 }

846

847 if (buffer) {

848 GrAlwaysAssert(buffer->getMapped());

849 buffer->resetMapped();

850 return GR_GL_TRUE;

851 }

852

853 GrAlwaysAssert(false);

854 return GR_GL_FALSE; // GR_GL_INVALID_OPERATION;

855 }

856

857 GrGLvoid flushMappedBufferRange(GrGLenum target, GrGLintptr offset,

858 GrGLsizeiptr length) override {

859 GrAlwaysAssert(GR_GL_ARRAY_BUFFER == target \|\|

860 GR_GL_ELEMENT_ARRAY_BUFFER == target);

861

862 GrBufferObj *buffer = nullptr;

863 switch (target) {

864 case GR_GL_ARRAY_BUFFER:

865 buffer = this->getArrayBuffer();

866 break;

867 case GR_GL_ELEMENT_ARRAY_BUFFER:

868 buffer = this->getElementArrayBuffer();

869 break;

870 default:

871 SkFAIL("Unexpected target to glUnmapBuffer");

872 break;

873 }

874

875 if (buffer) {

876 GrAlwaysAssert(buffer->getMapped());

877 GrAlwaysAssert(offset >= 0 && (offset + length) <= buffer->getMapped Length());

878 } else {

879 GrAlwaysAssert(false);

880 }

881 }

882

883 GrGLvoid getBufferParameteriv(GrGLenum target, GrGLenum value, GrGLint* para ms) override {

884

885 GrAlwaysAssert(GR_GL_ARRAY_BUFFER == target \|\|

886 GR_GL_ELEMENT_ARRAY_BUFFER == target);

887 GrAlwaysAssert(GR_GL_BUFFER_SIZE == value \|\|

888 GR_GL_BUFFER_USAGE == value);

889

890 GrBufferObj *buffer = nullptr;

891 switch (target) {

892 case GR_GL_ARRAY_BUFFER:

893 buffer = this->getArrayBuffer();

894 break;

895 case GR_GL_ELEMENT_ARRAY_BUFFER:

896 buffer = this->getElementArrayBuffer();

897 break;

898 }

899

900 GrAlwaysAssert(buffer);

901

902 switch (value) {

903 case GR_GL_BUFFER_MAPPED:

904 *params = GR_GL_FALSE;

905 if (buffer)

906 *params = buffer->getMapped() ? GR_GL_TRUE : GR_GL_FALSE;

907 break;

908 case GR_GL_BUFFER_SIZE:

909 *params = 0;

910 if (buffer)

911 *params = SkToInt(buffer->getSize());

912 break;

913 case GR_GL_BUFFER_USAGE:

914 *params = GR_GL_STATIC_DRAW;

915 if (buffer)

916 *params = buffer->getUsage();

917 break;

918 default:

919 SkFAIL("Unexpected value to glGetBufferParamateriv");

920 break;

921 }

922 }

923

924 private:

925 // the OpenGLES 2.0 spec says this must be >= 128

926 static const GrGLint kDefaultMaxVertexUniformVectors = 128;

927

928 // the OpenGLES 2.0 spec says this must be >=16

929 static const GrGLint kDefaultMaxFragmentUniformVectors = 16;

930

931 // the OpenGLES 2.0 spec says this must be >= 8

932 static const GrGLint kDefaultMaxVertexAttribs = 8;

933

934 // the OpenGLES 2.0 spec says this must be >= 8

935 static const GrGLint kDefaultMaxVaryingVectors = 8;

936

937 // the OpenGLES 2.0 spec says this must be >= 2

938 static const GrGLint kDefaultMaxTextureUnits = 8;

939

940 static const char* kExtensions[];

941

942 GrGLuint fCurrGenericID;

943 GrGLuint fCurrTextureUnit;

944 GrTextureUnitObj* fTextureUnits[kDefaultMaxTextureUnits];

945 GrBufferObj* fArrayBuffer;

946 GrBufferObj* fElementArrayBuffer;

947 GrVertexArrayObj* fVertexArray;

948 GrGLint fPackRowLength;

949 GrGLint fUnpackRowLength;

950 GrGLint fPackAlignment;

951 GrFrameBufferObj* fFrameBuffer;

952 GrRenderBufferObj* fRenderBuffer;

953 GrProgramObj* fProgram;

954 mutable bool fAbandoned;

955 // global store of all objects

956 SkTArray<GrFakeRefObj *> fObjects;

957

958 static const GrGLubyte* CombinedExtensionString() {

959 static SkString gExtString;

960 static SkMutex gMutex;

961 gMutex.acquire();

962 if (0 == gExtString.size()) {

963 int i = 0;

964 while (kExtensions[i]) {

965 if (i > 0) {

966 gExtString.append(" ");

967 }

968 gExtString.append(kExtensions[i]);

969 ++i;

970 }

971 }

972 gMutex.release();

973 return (const GrGLubyte*) gExtString.c_str();

974 }

975

976 GrGLvoid genGenericIds(GrGLsizei n, GrGLuint* ids) {

977 for (int i = 0; i < n; ++i) {

978 ids[i] = ++fCurrGenericID;

979 }

980 }

981

982 GrGLvoid getInfoLog(GrGLuint object, GrGLsizei bufsize, GrGLsizei* length,

983 char* infolog) {

984 if (length) {

985 *length = 0;

986 }

987 if (bufsize > 0) {

988 *infolog = 0;

989 }

990 }

991

992 GrGLvoid getShaderOrProgramiv(GrGLuint object, GrGLenum pname, GrGLint* par ams) {

993 switch (pname) {

994 case GR_GL_LINK_STATUS: // fallthru

995 case GR_GL_COMPILE_STATUS:

996 *params = GR_GL_TRUE;

997 break;

998 case GR_GL_INFO_LOG_LENGTH:

999 *params = 0;

1000 break;

1001 // we don't expect any other pnames

1002 default:

1003 SkFAIL("Unexpected pname to GetProgramiv");

1004 break;

1005 }

1006 }

1007

1008 template <typename T>

1009 void queryResult(GrGLenum GLtarget, GrGLenum pname, T *params) {

1010 switch (pname) {

1011 case GR_GL_QUERY_RESULT_AVAILABLE:

1012 *params = GR_GL_TRUE;

1013 break;

1014 case GR_GL_QUERY_RESULT:

1015 *params = 0;

1016 break;

1017 default:

1018 SkFAIL("Unexpected pname passed to GetQueryObject.");

1019 break;

1020 }

1021 }

1022

1023 enum ObjTypes {

1024 kTexture_ObjTypes = 0,

1025 kBuffer_ObjTypes,

1026 kRenderBuffer_ObjTypes,

1027 kFrameBuffer_ObjTypes,

1028 kShader_ObjTypes,

1029 kProgram_ObjTypes,

1030 kTextureUnit_ObjTypes,

1031 kVertexArray_ObjTypes,

1032 kObjTypeCount

1033 };

1034

1035 typedef GrFakeRefObj (Create)();

1036

1037 static Create gFactoryFunc[kObjTypeCount];

1038

1039 GrGLvoid genObjs(ObjTypes type, GrGLsizei n, GrGLuint* ids) {

1040 for (int i = 0; i < n; ++i) {

1041 GrAlwaysAssert(ids[i] == 0);

1042 GrFakeRefObj *obj = this->createObj(type);

1043 GrAlwaysAssert(obj);

1044 ids[i] = obj->getID();

1045 }

1046 }

1047

1048 GrFakeRefObj* createObj(ObjTypes type) {

1049 GrFakeRefObj temp = (gFactoryFunc[type])();

1050

1051 fObjects.push_back(temp);

1052

1053 return temp;

1054 }

1055

1056 GrFakeRefObj* findObject(GrGLuint ID, ObjTypes type) {

1057 for (int i = 0; i < fObjects.count(); ++i) {

1058 if (fObjects[i]->getID() == ID) { // && fObjects[i]->getType() == ty pe) {

1059 // The application shouldn't be accessing objects

1060 // that (as far as OpenGL knows) were already deleted

1061 GrAlwaysAssert(!fObjects[i]->getDeleted());

1062 GrAlwaysAssert(!fObjects[i]->getMarkedForDeletion());

1063 return fObjects[i];

1064 }

1065 }

1066 return nullptr;

1067 }

1068

1069 GrTextureUnitObj* getTextureUnit(int unit) {

1070 GrAlwaysAssert(0 <= unit && kDefaultMaxTextureUnits > unit);

1071

1072 return fTextureUnits[unit];

1073 }

1074

1075 void setArrayBuffer(GrBufferObj *arrayBuffer) {

1076 if (fArrayBuffer) {

1077 // automatically break the binding of the old buffer

1078 GrAlwaysAssert(fArrayBuffer->getBound());

1079 fArrayBuffer->resetBound();

1080

1081 GrAlwaysAssert(!fArrayBuffer->getDeleted());

1082 fArrayBuffer->unref();

1083 }

1084

1085 fArrayBuffer = arrayBuffer;

1086

1087 if (fArrayBuffer) {

1088 GrAlwaysAssert(!fArrayBuffer->getDeleted());

1089 fArrayBuffer->ref();

1090

1091 GrAlwaysAssert(!fArrayBuffer->getBound());

1092 fArrayBuffer->setBound();

1093 }

1094 }

1095

1096 GrBufferObj* getArrayBuffer() { return fArrayBuffer; }

1097 void setElementArrayBuffer(GrBufferObj *elementArrayBuffer) {

1098 if (fElementArrayBuffer) {

1099 // automatically break the binding of the old buffer

1100 GrAlwaysAssert(fElementArrayBuffer->getBound());

1101 fElementArrayBuffer->resetBound();

1102

1103 GrAlwaysAssert(!fElementArrayBuffer->getDeleted());

1104 fElementArrayBuffer->unref();

1105 }

1106

1107 fElementArrayBuffer = elementArrayBuffer;

1108

1109 if (fElementArrayBuffer) {

1110 GrAlwaysAssert(!fElementArrayBuffer->getDeleted());

1111 fElementArrayBuffer->ref();

1112

1113 GrAlwaysAssert(!fElementArrayBuffer->getBound());

1114 fElementArrayBuffer->setBound();

1115 }

1116 }

1117

1118 GrBufferObj *getElementArrayBuffer() { return fElementArrayBuffer; }

1119

1120 void setVertexArray(GrVertexArrayObj* vertexArray) {

1121 if (vertexArray) {

1122 SkASSERT(!vertexArray->getDeleted());

1123 }

1124 SkRefCnt_SafeAssign(fVertexArray, vertexArray);

1125 }

1126

1127 GrVertexArrayObj* getVertexArray() { return fVertexArray; }

1128

1129 void setTexture(GrTextureObj *texture) {

1130 fTextureUnits[fCurrTextureUnit]->setTexture(texture);

1131 }

1132

1133 void setFrameBuffer(GrFrameBufferObj *frameBuffer) {

1134 if (fFrameBuffer) {

1135 GrAlwaysAssert(fFrameBuffer->getBound());

1136 fFrameBuffer->resetBound();

1137

1138 GrAlwaysAssert(!fFrameBuffer->getDeleted());

1139 fFrameBuffer->unref();

1140 }

1141

1142 fFrameBuffer = frameBuffer;

1143

1144 if (fFrameBuffer) {

1145 GrAlwaysAssert(!fFrameBuffer->getDeleted());

1146 fFrameBuffer->ref();

1147

1148 GrAlwaysAssert(!fFrameBuffer->getBound());

1149 fFrameBuffer->setBound();

1150 }

1151 }

1152

1153 GrFrameBufferObj *getFrameBuffer() { return fFrameBuffer; }

1154

1155 void setRenderBuffer(GrRenderBufferObj *renderBuffer) {

1156 if (fRenderBuffer) {

1157 GrAlwaysAssert(fRenderBuffer->getBound());

1158 fRenderBuffer->resetBound();

1159

1160 GrAlwaysAssert(!fRenderBuffer->getDeleted());

1161 fRenderBuffer->unref();

1162 }

1163

1164 fRenderBuffer = renderBuffer;

1165

1166 if (fRenderBuffer) {

1167 GrAlwaysAssert(!fRenderBuffer->getDeleted());

1168 fRenderBuffer->ref();

1169

1170 GrAlwaysAssert(!fRenderBuffer->getBound());

1171 fRenderBuffer->setBound();

1172 }

1173 }

1174 GrRenderBufferObj *getRenderBuffer() { return fRenderBuffer; }

1175

1176 void useProgram(GrProgramObj *program) {

1177 if (fProgram) {

1178 GrAlwaysAssert(fProgram->getInUse());

1179 fProgram->resetInUse();

1180

1181 GrAlwaysAssert(!fProgram->getDeleted());

1182 fProgram->unref();

1183 }

1184

1185 fProgram = program;

1186

1187 if (fProgram) {

1188 GrAlwaysAssert(!fProgram->getDeleted());

1189 fProgram->ref();

1190

1191 GrAlwaysAssert(!fProgram->getInUse());

1192 fProgram->setInUse();

1193 }

1194 }

1195

1196 void report() const {

1197 for (int i = 0; i < fObjects.count(); ++i) {

1198 if (!fAbandoned) {

1199 GrAlwaysAssert(0 == fObjects[i]->getRefCount());

1200 GrAlwaysAssert(fObjects[i]->getDeleted());

1201 }

1202 }

1203 }

1204

1205 typedef GrGLTestInterface INHERITED;

1206 };

1207

1208 #undef CREATE

1209 #undef FIND

1210

1211 DebugInterface::Create DebugInterface::gFactoryFunc[kObjTypeCount] = {

1212 GrTextureObj::createGrTextureObj,

1213 GrBufferObj::createGrBufferObj,

1214 GrRenderBufferObj::createGrRenderBufferObj,

1215 GrFrameBufferObj::createGrFrameBufferObj,

1216 GrShaderObj::createGrShaderObj,

1217 GrProgramObj::createGrProgramObj,

1218 GrTextureUnitObj::createGrTextureUnitObj,

1219 GrVertexArrayObj::createGrVertexArrayObj,

1220 };

1221

1222 const char* DebugInterface::kExtensions[] = {

1223 "GL_ARB_framebuffer_object",

1224 "GL_ARB_blend_func_extended",

1225 "GL_ARB_timer_query",

1226 "GL_ARB_draw_buffers",

1227 "GL_ARB_occlusion_query",

1228 "GL_EXT_stencil_wrap",

1229 nullptr, // signifies the end of the array.

1230 };

1231

1232 } // anonymous namespace

1233

1234 ////////////////////////////////////////////////////////////////////////////////

1235

1236 const GrGLInterface* GrGLCreateDebugInterface() { return new DebugInterface; }

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