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gfx/skia/trunk/src/gpu/gl/SkGLContextHelper.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/gpu/gl/SkGLContextHelper.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1
michael@0	2	/*
michael@0	3	* Copyright 2013 Google Inc.
michael@0	4	*
michael@0	5	* Use of this source code is governed by a BSD-style license that can be
michael@0	6	* found in the LICENSE file.
michael@0	7	*/
michael@0	8	#include "gl/SkGLContextHelper.h"
michael@0	9	#include "GrGLUtil.h"
michael@0	10
michael@0	11	SkGLContextHelper::SkGLContextHelper()
michael@0	12	: fFBO(0)
michael@0	13	, fColorBufferID(0)
michael@0	14	, fDepthStencilBufferID(0)
michael@0	15	, fGL(NULL) {
michael@0	16	}
michael@0	17
michael@0	18	SkGLContextHelper::~SkGLContextHelper() {
michael@0	19
michael@0	20	if (fGL) {
michael@0	21	// TODO: determine why DeleteFramebuffers is generating a GL error in tests
michael@0	22	SK_GL_NOERRCHECK(*this, DeleteFramebuffers(1, &fFBO));
michael@0	23	SK_GL_NOERRCHECK(*this, DeleteRenderbuffers(1, &fColorBufferID));
michael@0	24	SK_GL_NOERRCHECK(*this, DeleteRenderbuffers(1, &fDepthStencilBufferID));
michael@0	25	}
michael@0	26
michael@0	27	SkSafeUnref(fGL);
michael@0	28	}
michael@0	29
michael@0	30	bool SkGLContextHelper::init(int width, int height) {
michael@0	31	if (fGL) {
michael@0	32	fGL->unref();
michael@0	33	this->destroyGLContext();
michael@0	34	}
michael@0	35
michael@0	36	fGL = this->createGLContext();
michael@0	37	if (fGL) {
michael@0	38	const GrGLubyte* temp;
michael@0	39
michael@0	40	if (!fGL->validate()) {
michael@0	41	fGL = NULL;
michael@0	42	this->destroyGLContext();
michael@0	43	return false;
michael@0	44	}
michael@0	45
michael@0	46	SK_GL_RET(*this, temp, GetString(GR_GL_VERSION));
michael@0	47	const char* versionStr = reinterpret_cast<const char*>(temp);
michael@0	48	GrGLVersion version = GrGLGetVersionFromString(versionStr);
michael@0	49
michael@0	50	// clear any existing GL erorrs
michael@0	51	GrGLenum error;
michael@0	52	do {
michael@0	53	SK_GL_RET(*this, error, GetError());
michael@0	54	} while (GR_GL_NO_ERROR != error);
michael@0	55
michael@0	56	SK_GL(*this, GenFramebuffers(1, &fFBO));
michael@0	57	SK_GL(*this, BindFramebuffer(GR_GL_FRAMEBUFFER, fFBO));
michael@0	58	SK_GL(*this, GenRenderbuffers(1, &fColorBufferID));
michael@0	59	SK_GL(*this, BindRenderbuffer(GR_GL_RENDERBUFFER, fColorBufferID));
michael@0	60	if (kGLES_GrGLStandard == this->gl()->fStandard) {
michael@0	61	SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER,
michael@0	62	GR_GL_RGBA8,
michael@0	63	width, height));
michael@0	64	} else {
michael@0	65	SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER,
michael@0	66	GR_GL_RGBA,
michael@0	67	width, height));
michael@0	68	}
michael@0	69	SK_GL(*this, FramebufferRenderbuffer(GR_GL_FRAMEBUFFER,
michael@0	70	GR_GL_COLOR_ATTACHMENT0,
michael@0	71	GR_GL_RENDERBUFFER,
michael@0	72	fColorBufferID));
michael@0	73	SK_GL(*this, GenRenderbuffers(1, &fDepthStencilBufferID));
michael@0	74	SK_GL(*this, BindRenderbuffer(GR_GL_RENDERBUFFER, fDepthStencilBufferID));
michael@0	75
michael@0	76	// Some drivers that support packed depth stencil will only succeed
michael@0	77	// in binding a packed format an FBO. However, we can't rely on packed
michael@0	78	// depth stencil being available.
michael@0	79	bool supportsPackedDepthStencil;
michael@0	80	if (kGLES_GrGLStandard == this->gl()->fStandard) {
michael@0	81	supportsPackedDepthStencil = version >= GR_GL_VER(3,0) ||
michael@0	82	this->hasExtension("GL_OES_packed_depth_stencil");
michael@0	83	} else {
michael@0	84	supportsPackedDepthStencil = version >= GR_GL_VER(3,0) ||
michael@0	85	this->hasExtension("GL_EXT_packed_depth_stencil") ||
michael@0	86	this->hasExtension("GL_ARB_framebuffer_object");
michael@0	87	}
michael@0	88
michael@0	89	if (supportsPackedDepthStencil) {
michael@0	90	// ES2 requires sized internal formats for RenderbufferStorage
michael@0	91	// On Desktop we let the driver decide.
michael@0	92	GrGLenum format = kGLES_GrGLStandard == this->gl()->fStandard ?
michael@0	93	GR_GL_DEPTH24_STENCIL8 :
michael@0	94	GR_GL_DEPTH_STENCIL;
michael@0	95	SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER,
michael@0	96	format,
michael@0	97	width, height));
michael@0	98	SK_GL(*this, FramebufferRenderbuffer(GR_GL_FRAMEBUFFER,
michael@0	99	GR_GL_DEPTH_ATTACHMENT,
michael@0	100	GR_GL_RENDERBUFFER,
michael@0	101	fDepthStencilBufferID));
michael@0	102	} else {
michael@0	103	GrGLenum format = kGLES_GrGLStandard == this->gl()->fStandard ? GR_GL_STENCIL_INDEX8 :
michael@0	104	GR_GL_STENCIL_INDEX;
michael@0	105	SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER,
michael@0	106	format,
michael@0	107	width, height));
michael@0	108	}
michael@0	109	SK_GL(*this, FramebufferRenderbuffer(GR_GL_FRAMEBUFFER,
michael@0	110	GR_GL_STENCIL_ATTACHMENT,
michael@0	111	GR_GL_RENDERBUFFER,
michael@0	112	fDepthStencilBufferID));
michael@0	113	SK_GL(*this, Viewport(0, 0, width, height));
michael@0	114	SK_GL(*this, ClearStencil(0));
michael@0	115	SK_GL(*this, Clear(GR_GL_STENCIL_BUFFER_BIT));
michael@0	116
michael@0	117	SK_GL_RET(*this, error, GetError());
michael@0	118	GrGLenum status;
michael@0	119	SK_GL_RET(*this, status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER));
michael@0	120
michael@0	121	if (GR_GL_FRAMEBUFFER_COMPLETE != status ||
michael@0	122	GR_GL_NO_ERROR != error) {
michael@0	123	fFBO = 0;
michael@0	124	fColorBufferID = 0;
michael@0	125	fDepthStencilBufferID = 0;
michael@0	126	fGL->unref();
michael@0	127	fGL = NULL;
michael@0	128	this->destroyGLContext();
michael@0	129	return false;
michael@0	130	} else {
michael@0	131	return true;
michael@0	132	}
michael@0	133	}
michael@0	134	return false;
michael@0	135	}