X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fgraphicsbuffer.cpp;h=8075453903f5edfed59045130f76f86c1efc03ce;hb=58a6719da2337b3e6e20b581885f170bbe5fc480;hp=91c3478669ce641dca4f7e7fe2dff4397f4ab64e;hpb=4f60a4a972fa76800580f8731aba54a8fe94e1fb;p=ipdf%2Fcode.git

diff --git a/src/graphicsbuffer.cpp b/src/graphicsbuffer.cpp
index 91c3478..8075453 100644
--- a/src/graphicsbuffer.cpp
+++ b/src/graphicsbuffer.cpp
@@ -224,7 +224,7 @@ void GraphicsBuffer::Upload(size_t length, const void* data)
 	if (!RecreateBuffer(data))
 	{
 		Bind();
-		glBufferData(target, length, data, usage);
+		glBufferData(target, length+1, data, usage);
 	}
 	if (data != NULL)
 		m_invalidated = false;
@@ -243,13 +243,14 @@ void GraphicsBuffer::UploadRange(size_t length, intptr_t offset, const void* dat
 
 void GraphicsBuffer::Resize(size_t length)
 {
-	glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Resizing buffer.");
-	if (m_invalidated)
+	if (m_invalidated && m_buffer_size > length)
 	{
 		m_buffer_size = length;
 	}
 	else
 	{
+		glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Resizing buffer.");
+		glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_HIGH, 0, NULL, GL_TRUE);
 		// Create a new buffer and copy the old data into it.
 		UnMap();
 		GLuint old_buffer = m_buffer_handle;	
@@ -260,8 +261,8 @@ void GraphicsBuffer::Resize(size_t length)
 		glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0, m_buffer_size);
 		glDeleteBuffers(1, &old_buffer);
 		m_buffer_size = length;
+		glPopDebugGroup();
 	}
-	glPopDebugGroup();
 }
 
 void GraphicsBuffer::Bind() const