Bug 1426280 - Remove explicit MakeCurrents from WebGL now that we use implicit MakeCurrent. - r=lenzak

MozReview-Commit-ID: HxWWPmD1Yzu

dom/canvas/WebGLContextFramebufferOperations.cpp

@@ -20,8 +20,6 @@ WebGLContext::Clear(GLbitfield mask)
     if (IsContextLost())
         return;
 
-    MakeContextCurrent();
-
     uint32_t m = mask & (LOCAL_GL_COLOR_BUFFER_BIT | LOCAL_GL_DEPTH_BUFFER_BIT | LOCAL_GL_STENCIL_BUFFER_BIT);
     if (mask != m)
         return ErrorInvalidValue("%s: invalid mask bits", funcName);
@@ -79,8 +77,6 @@ WebGLContext::ClearColor(GLfloat r, GLfloat g, GLfloat b, GLfloat a)
     if (IsContextLost())
         return;
 
-    MakeContextCurrent();
-
     const bool supportsFloatColorBuffers = (IsExtensionEnabled(WebGLExtensionID::EXT_color_buffer_float) ||
                                             IsExtensionEnabled(WebGLExtensionID::EXT_color_buffer_half_float) ||
                                             IsExtensionEnabled(WebGLExtensionID::WEBGL_color_buffer_float));
@@ -105,7 +101,6 @@ WebGLContext::ClearDepth(GLclampf v)
     if (IsContextLost())
         return;
 
-    MakeContextCurrent();
     mDepthClearValue = GLClampFloat(v);
     gl->fClearDepth(mDepthClearValue);
 }
@@ -116,7 +111,6 @@ WebGLContext::ClearStencil(GLint v)
     if (IsContextLost())
         return;
 
-    MakeContextCurrent();
     mStencilClearValue = v;
     gl->fClearStencil(v);
 }
@@ -127,7 +121,6 @@ WebGLContext::ColorMask(WebGLboolean r, WebGLboolean g, WebGLboolean b, WebGLboo
     if (IsContextLost())
         return;
 
-    MakeContextCurrent();
     mColorWriteMask[0] = r;
     mColorWriteMask[1] = g;
     mColorWriteMask[2] = b;
@@ -141,7 +134,6 @@ WebGLContext::DepthMask(WebGLboolean b)
     if (IsContextLost())
         return;
 
-    MakeContextCurrent();
     mDepthWriteMask = b;
     gl->fDepthMask(b);
 }
@@ -195,7 +187,6 @@ WebGLContext::StencilMask(GLuint mask)
     mStencilWriteMaskFront = mask;
     mStencilWriteMaskBack = mask;
 
-    MakeContextCurrent();
     gl->fStencilMask(mask);
 }
 
@@ -221,7 +212,6 @@ WebGLContext::StencilMaskSeparate(GLenum face, GLuint mask)
             break;
     }
 
-    MakeContextCurrent();
     gl->fStencilMaskSeparate(face, mask);
 }