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gfx/gl/TextureImageCGL.mm@129ffea94266 (annotated)

gfx/gl/TextureImageCGL.mm

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 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "TextureImageCGL.h"
michael@0 7 #include "GLContext.h"
michael@0 8 #include "gfx2DGlue.h"
michael@0 9 #include "gfxQuartzSurface.h"
michael@0 10 #include "gfxPlatform.h"
michael@0 11 #include "gfxFailure.h"
michael@0 12
michael@0 13 namespace mozilla {
michael@0 14
michael@0 15 using namespace gfx;
michael@0 16
michael@0 17 namespace gl {
michael@0 18
michael@0 19 TextureImageCGL::TextureImageCGL(GLuint aTexture,
michael@0 20 const nsIntSize& aSize,
michael@0 21 GLenum aWrapMode,
michael@0 22 ContentType aContentType,
michael@0 23 GLContext* aContext,
michael@0 24 TextureImage::Flags aFlags,
michael@0 25 TextureImage::ImageFormat aImageFormat)
michael@0 26 : BasicTextureImage(aTexture, aSize, aWrapMode, aContentType,
michael@0 27 aContext, aFlags, aImageFormat)
michael@0 28 , mPixelBuffer(0)
michael@0 29 , mPixelBufferSize(0)
michael@0 30 , mBoundPixelBuffer(false)
michael@0 31 {}
michael@0 32
michael@0 33 TextureImageCGL::~TextureImageCGL()
michael@0 34 {
michael@0 35 if (mPixelBuffer) {
michael@0 36 mGLContext->MakeCurrent();
michael@0 37 mGLContext->fDeleteBuffers(1, &mPixelBuffer);
michael@0 38 }
michael@0 39 }
michael@0 40
michael@0 41 already_AddRefed<gfxASurface>
michael@0 42 TextureImageCGL::GetSurfaceForUpdate(const gfxIntSize& aSize, ImageFormat aFmt)
michael@0 43 {
michael@0 44 IntSize size(aSize.width + 1, aSize.height + 1);
michael@0 45 mGLContext->MakeCurrent();
michael@0 46 if (!mGLContext->
michael@0 47 IsExtensionSupported(GLContext::ARB_pixel_buffer_object))
michael@0 48 {
michael@0 49 return gfxPlatform::GetPlatform()->
michael@0 50 CreateOffscreenSurface(size,
michael@0 51 gfxASurface::ContentFromFormat(aFmt));
michael@0 52 }
michael@0 53
michael@0 54 if (!mPixelBuffer) {
michael@0 55 mGLContext->fGenBuffers(1, &mPixelBuffer);
michael@0 56 }
michael@0 57 mGLContext->fBindBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER, mPixelBuffer);
michael@0 58 int32_t length = size.width * 4 * size.height;
michael@0 59
michael@0 60 if (length > mPixelBufferSize) {
michael@0 61 mGLContext->fBufferData(LOCAL_GL_PIXEL_UNPACK_BUFFER, length,
michael@0 62 NULL, LOCAL_GL_STREAM_DRAW);
michael@0 63 mPixelBufferSize = length;
michael@0 64 }
michael@0 65 unsigned char* data =
michael@0 66 (unsigned char*)mGLContext->
michael@0 67 fMapBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER,
michael@0 68 LOCAL_GL_WRITE_ONLY);
michael@0 69
michael@0 70 mGLContext->fBindBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER, 0);
michael@0 71
michael@0 72 if (!data) {
michael@0 73 nsAutoCString failure;
michael@0 74 failure += "Pixel buffer binding failed: ";
michael@0 75 failure.AppendPrintf("%dx%d\n", size.width, size.height);
michael@0 76 gfx::LogFailure(failure);
michael@0 77
michael@0 78 mGLContext->fBindBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER, 0);
michael@0 79 return gfxPlatform::GetPlatform()->
michael@0 80 CreateOffscreenSurface(size,
michael@0 81 gfxASurface::ContentFromFormat(aFmt));
michael@0 82 }
michael@0 83
michael@0 84 nsRefPtr<gfxQuartzSurface> surf =
michael@0 85 new gfxQuartzSurface(data, ThebesIntSize(size), size.width * 4, aFmt);
michael@0 86
michael@0 87 mBoundPixelBuffer = true;
michael@0 88 return surf.forget();
michael@0 89 }
michael@0 90
michael@0 91 bool
michael@0 92 TextureImageCGL::FinishedSurfaceUpdate()
michael@0 93 {
michael@0 94 if (mBoundPixelBuffer) {
michael@0 95 mGLContext->MakeCurrent();
michael@0 96 mGLContext->fBindBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER, mPixelBuffer);
michael@0 97 mGLContext->fUnmapBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER);
michael@0 98 return true;
michael@0 99 }
michael@0 100 return false;
michael@0 101 }
michael@0 102
michael@0 103 void
michael@0 104 TextureImageCGL::FinishedSurfaceUpload()
michael@0 105 {
michael@0 106 if (mBoundPixelBuffer) {
michael@0 107 mGLContext->MakeCurrent();
michael@0 108 mGLContext->fBindBuffer(LOCAL_GL_PIXEL_UNPACK_BUFFER, 0);
michael@0 109 mBoundPixelBuffer = false;
michael@0 110 }
michael@0 111 }
michael@0 112
michael@0 113 already_AddRefed<TextureImage>
michael@0 114 CreateTextureImageCGL(GLContext* gl,
michael@0 115 const gfx::IntSize& aSize,
michael@0 116 TextureImage::ContentType aContentType,
michael@0 117 GLenum aWrapMode,
michael@0 118 TextureImage::Flags aFlags,
michael@0 119 TextureImage::ImageFormat aImageFormat)
michael@0 120 {
michael@0 121 if (!gl->IsOffscreenSizeAllowed(aSize) &&
michael@0 122 gfxPlatform::OffMainThreadCompositingEnabled()) {
michael@0 123 NS_ASSERTION(aWrapMode == LOCAL_GL_CLAMP_TO_EDGE, "Can't support wrapping with tiles!");
michael@0 124 nsRefPtr<TextureImage> t = new gl::TiledTextureImage(gl, aSize, aContentType,
michael@0 125 aFlags, aImageFormat);
michael@0 126 return t.forget();
michael@0 127 }
michael@0 128
michael@0 129 return CreateBasicTextureImage(gl, aSize, aContentType, aWrapMode,
michael@0 130 aFlags, aImageFormat);
michael@0 131 }
michael@0 132
michael@0 133 already_AddRefed<TextureImage>
michael@0 134 TileGenFuncCGL(GLContext *gl,
michael@0 135 const nsIntSize& aSize,
michael@0 136 TextureImage::ContentType aContentType,
michael@0 137 TextureImage::Flags aFlags,
michael@0 138 TextureImage::ImageFormat aImageFormat)
michael@0 139 {
michael@0 140 bool useNearestFilter = aFlags & TextureImage::UseNearestFilter;
michael@0 141 gl->MakeCurrent();
michael@0 142
michael@0 143 GLuint texture;
michael@0 144 gl->fGenTextures(1, &texture);
michael@0 145
michael@0 146 gl->fActiveTexture(LOCAL_GL_TEXTURE0);
michael@0 147 gl->fBindTexture(LOCAL_GL_TEXTURE_2D, texture);
michael@0 148
michael@0 149 GLint texfilter = useNearestFilter ? LOCAL_GL_NEAREST : LOCAL_GL_LINEAR;
michael@0 150 gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, texfilter);
michael@0 151 gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, texfilter);
michael@0 152 gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
michael@0 153 gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
michael@0 154
michael@0 155 nsRefPtr<TextureImageCGL> teximage
michael@0 156 (new TextureImageCGL(texture, aSize, LOCAL_GL_CLAMP_TO_EDGE, aContentType,
michael@0 157 gl, aFlags, aImageFormat));
michael@0 158 return teximage.forget();
michael@0 159 }
michael@0 160
michael@0 161 }
michael@0 162 }

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