diff options
Diffstat (limited to 'dom/canvas/WebGLContextBuffers.cpp')
| -rw-r--r-- | dom/canvas/WebGLContextBuffers.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/dom/canvas/WebGLContextBuffers.cpp b/dom/canvas/WebGLContextBuffers.cpp index 6f583c10c6..e787b99143 100644 --- a/dom/canvas/WebGLContextBuffers.cpp +++ b/dom/canvas/WebGLContextBuffers.cpp @@ -295,6 +295,16 @@ WebGLContext::BindBufferRange(GLenum target, GLuint index, WebGLBuffer* buffer, //// +#ifdef XP_MACOSX + if (buffer && buffer->Content() == WebGLBuffer::Kind::Undefined && + gl->WorkAroundDriverBugs()) + { + // BindBufferRange will fail if the buffer's contents is undefined. + // Bind so driver initializes the buffer. + gl->fBindBuffer(target, buffer->mGLName); + } +#endif + gl->fBindBufferRange(target, index, buffer ? buffer->mGLName : 0, offset, size); //// @@ -342,6 +352,12 @@ WebGLContext::BufferData(GLenum target, WebGLsizeiptr size, GLenum usage) if (!checkedSize.isValid()) return ErrorOutOfMemory("%s: Size too large for platform.", funcName); +#if defined(XP_MACOSX) + if (gl->WorkAroundDriverBugs() && size > 1200000000) { + return ErrorOutOfMemory("Allocations larger than 1200000000 fail on MacOS."); + } +#endif + const UniqueBuffer zeroBuffer(calloc(size, 1)); if (!zeroBuffer) return ErrorOutOfMemory("%s: Failed to allocate zeros.", funcName); |