From 9e813d98f1ca5e2e90d5c05227154d03c1e4dc6b Mon Sep 17 00:00:00 2001
From: Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
Date: Thu, 14 Dec 2017 00:22:27 +0100
Subject: [PATCH] gs-vertexbuffer: Update to new API adding flush_direct
 functionality

This fixes the crashes on deleting a filter without requiring painful memory editing.
---
 source/gs-vertexbuffer.cpp | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/source/gs-vertexbuffer.cpp b/source/gs-vertexbuffer.cpp
index 3f9c988..491ccbd 100644
--- a/source/gs-vertexbuffer.cpp
+++ b/source/gs-vertexbuffer.cpp
@@ -54,7 +54,7 @@ GS::VertexBuffer::VertexBuffer(uint32_t maximumVertices) {
 
 	// Allocate GPU
 	obs_enter_graphics();
-	m_vertexbuffer = gs_vertexbuffer_create(&m_vertexbufferdata, GS_DYNAMIC);
+	m_vertexbuffer = gs_vertexbuffer_create(&m_vertexbufferdata, GS_DYNAMIC | GS_DUP_BUFFER);
 	obs_leave_graphics();
 	if (!m_vertexbuffer) {
 		throw std::runtime_error("Failed to create vertex buffer.");
@@ -79,19 +79,6 @@ GS::VertexBuffer::~VertexBuffer() {
 	if (m_vertexbuffer) {
 		std::memset(&m_vertexbufferdata, 0, sizeof(m_vertexbufferdata));
 
-		// Workaround API stupidity in obs-studio.
-		// See PR: https://github.com/jp9000/obs-studio/pull/993
-
-		if (gs_get_device_type() == GS_DEVICE_DIRECT3D_11) {
-		#ifdef _DEBUG
-			*(reinterpret_cast<intptr_t*>(m_vertexbuffer) + 14) = 0;
-		#else
-			*(reinterpret_cast<intptr_t*>(m_vertexbuffer) + 13) = 0;
-		#endif
-		} else {
-			//*(reinterpret_cast<intptr_t*>(m_vertexbuffer)+14) = 0;
-		}
-
 		obs_enter_graphics();
 		gs_vertexbuffer_destroy(m_vertexbuffer);
 		obs_leave_graphics();
@@ -126,7 +113,7 @@ gs_vertbuffer_t* GS::VertexBuffer::get(bool refreshGPU) {
 		m_vertexbufferdata.num_tex = m_uvwLayers;
 
 		obs_enter_graphics();
-		gs_vertexbuffer_flush(m_vertexbuffer);
+		gs_vertexbuffer_flush_direct(m_vertexbuffer, &m_vertexbufferdata);
 		obs_leave_graphics();
 	}
 	return m_vertexbuffer;