Clean up legacy defines in gui/opengl.

Change-Id: I14d477c3f7a98cecca2c0a240ff13ea8ec64a154
Reviewed-on: http://codereview.qt.nokia.com/3716
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>

src/gui/opengl/qopenglbuffer.cpp

@@ -186,8 +186,6 @@ QOpenGLBuffer::QOpenGLBuffer(const QOpenGLBuffer &other)
     d_ptr->ref.ref();
 }
 
-#define ctx QOpenGLContext::currentContext();
-
 /*!
     Destroys this buffer object, including the storage being
     used in the GL server.
@@ -250,8 +248,6 @@ void QOpenGLBuffer::setUsagePattern(QOpenGLBuffer::UsagePattern value)
     d->usagePattern = d->actualUsagePattern = value;
 }
 
-#undef ctx
-
 namespace {
     void freeBufferFunc(QOpenGLFunctions *funcs, GLuint id)
     {
@@ -294,8 +290,6 @@ bool QOpenGLBuffer::create()
     return false;
 }
 
-#define ctx QOpenGLContext::currentContext()
-
 /*!
     Returns true if this buffer has been created; false otherwise.
 
@@ -455,8 +449,6 @@ void QOpenGLBuffer::release()
         d->funcs->glBindBuffer(d->type, 0);
 }
 
-#undef ctx
-
 /*!
     Releases the buffer associated with \a type in the current
     QOpenGLContext.
@@ -473,13 +465,10 @@ void QOpenGLBuffer::release()
 void QOpenGLBuffer::release(QOpenGLBuffer::Type type)
 {
     QOpenGLContext *ctx = QOpenGLContext::currentContext();
-    if (ctx) {
+    if (ctx)
-        QOpenGLFunctions(ctx).glBindBuffer(GLenum(type), 0);
+        ctx->functions()->glBindBuffer(GLenum(type), 0);
-    }
 }
 
-#define ctx QOpenGLContext::currentContext()
-
 /*!
     Returns the GL identifier associated with this buffer; zero if
     the buffer has not been created.
@@ -492,10 +481,6 @@ GLuint QOpenGLBuffer::bufferId() const
     return d->guard ? d->guard->id() : 0;
 }
 
-#ifndef GL_BUFFER_SIZE
-#define GL_BUFFER_SIZE 0x8764
-#endif
-
 /*!
     Returns the size of the data in this buffer, for reading operations.
     Returns -1 if fetching the buffer size is not supported, or the

src/gui/opengl/qopenglframebufferobject.cpp

@@ -55,9 +55,6 @@
 
 QT_BEGIN_NAMESPACE
 
-#define QOPENGL_FUNC_CONTEXT QOpenGLContext *ctx = QOpenGLContext::currentContext();
-#define QOPENGL_FUNCP_CONTEXT QOpenGLContext *ctx = QOpenGLContext::currentContext();
-
 #ifndef QT_NO_DEBUG
 #define QT_RESET_GLERROR()                                \
 {                                                         \
@@ -358,10 +355,10 @@ QOpenGLContextGroup *QOpenGLFBOGLPaintDevice::group() const
 
 bool QOpenGLFramebufferObjectPrivate::checkFramebufferStatus() const
 {
-    QOPENGL_FUNCP_CONTEXT;
+    QOpenGLContext *ctx = QOpenGLContext::currentContext();
     if (!ctx)
         return false;   // Context no longer exists.
-    GLenum status = QOpenGLFunctions(ctx).glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    GLenum status = ctx->functions()->glCheckFramebufferStatus(GL_FRAMEBUFFER);
     switch(status) {
     case GL_NO_ERROR:
     case GL_FRAMEBUFFER_COMPLETE:
@@ -384,7 +381,6 @@ bool QOpenGLFramebufferObjectPrivate::checkFramebufferStatus() const
     case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
         qDebug("QOpenGLFramebufferObject: Framebuffer incomplete, attached images must have same dimensions.");
         break;
-#if 1
     case GL_FRAMEBUFFER_INCOMPLETE_FORMATS:
         qDebug("QOpenGLFramebufferObject: Framebuffer incomplete, attached images must have same format.");
         break;
@@ -397,7 +393,6 @@ bool QOpenGLFramebufferObjectPrivate::checkFramebufferStatus() const
     case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:
         qDebug("QOpenGLFramebufferObject: Framebuffer incomplete, attachments must have same number of samples per pixel.");
         break;
-#endif
     default:
         qDebug() <<"QOpenGLFramebufferObject: An undefined error has occurred: "<< status;
         break;
@@ -937,12 +932,11 @@ bool QOpenGLFramebufferObject::bind()
     if (!isValid())
 	return false;
     Q_D(QOpenGLFramebufferObject);
-    QOPENGL_FUNC_CONTEXT;
-    if (!ctx)
-        return false; // Context no longer exists.
     QOpenGLContext *current = QOpenGLContext::currentContext();
+    if (!current)
+        return false;
 #ifdef QT_DEBUG
-    if (!current || current->shareGroup() != d->fbo_guard->group())
+    if (current->shareGroup() != d->fbo_guard->group())
         qWarning("QOpenGLFramebufferObject::bind() called from incompatible context");
 #endif
     d->funcs.glBindFramebuffer(GL_FRAMEBUFFER, d->fbo());
@@ -965,15 +959,14 @@ bool QOpenGLFramebufferObject::release()
 {
     if (!isValid())
 	return false;
-    QOPENGL_FUNC_CONTEXT;
-    if (!ctx)
-        return false;   // Context no longer exists.
 
     QOpenGLContext *current = QOpenGLContext::currentContext();
+    if (!current)
+        return false;
 
 #ifdef QT_DEBUG
     Q_D(QOpenGLFramebufferObject);
-    if (!current || current->shareGroup() != d->fbo_guard->group())
+    if (current->shareGroup() != d->fbo_guard->group())
         qWarning("QOpenGLFramebufferObject::release() called from incompatible context");
 #endif
 

src/gui/opengl/qopenglshaderprogram.cpp

@@ -145,46 +145,6 @@ QT_BEGIN_NAMESPACE
            Language (GLSL), based on the GL_EXT_geometry_shader4 extension.
 */
 
-#ifndef GL_FRAGMENT_SHADER
-#define GL_FRAGMENT_SHADER 0x8B30
-#endif
-#ifndef GL_VERTEX_SHADER
-#define GL_VERTEX_SHADER 0x8B31
-#endif
-#ifndef GL_COMPILE_STATUS
-#define GL_COMPILE_STATUS 0x8B81
-#endif
-#ifndef GL_LINK_STATUS
-#define GL_LINK_STATUS 0x8B82
-#endif
-#ifndef GL_INFO_LOG_LENGTH
-#define GL_INFO_LOG_LENGTH 0x8B84
-#endif
-#ifndef GL_ACTIVE_UNIFORMS
-#define GL_ACTIVE_UNIFORMS 0x8B86
-#endif
-#ifndef GL_ACTIVE_UNIFORM_MAX_LENGTH
-#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
-#endif
-#ifndef GL_ACTIVE_ATTRIBUTES
-#define GL_ACTIVE_ATTRIBUTES 0x8B89
-#endif
-#ifndef GL_ACTIVE_ATTRIBUTE_MAX_LENGTH
-#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
-#endif
-#ifndef GL_CURRENT_VERTEX_ATTRIB
-#define GL_CURRENT_VERTEX_ATTRIB 0x8626
-#endif
-#ifndef GL_SHADER_SOURCE_LENGTH
-#define GL_SHADER_SOURCE_LENGTH 0x8B88
-#endif
-#ifndef GL_SHADER_BINARY_FORMATS
-#define GL_SHADER_BINARY_FORMATS          0x8DF8
-#endif
-#ifndef GL_NUM_SHADER_BINARY_FORMATS
-#define GL_NUM_SHADER_BINARY_FORMATS      0x8DF9
-#endif
-
 class QOpenGLShaderPrivate : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QOpenGLShader)
@@ -2997,8 +2957,6 @@ void QOpenGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4
     setUniformValueArray(uniformLocation(name), values, count);
 }
 
-#undef ctx
-
 /*!
     Returns the hardware limit for how many vertices a geometry shader
     can output.
@@ -3133,10 +3091,6 @@ void QOpenGLShaderProgram::shaderDestroyed()
         removeShader(shader);
 }
 
-
-#undef ctx
-#undef context
-
 /*!
     Returns true if shader programs of type \a type are supported on
     this system; false otherwise.