4 files changed, 45 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index dc3ffdf2..70f0ba5f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -30,6 +30,7 @@ void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned text
         new_texture->texture.Create();
         state.texture_units[texture_unit].texture_2d = new_texture->texture.handle;
         state.Apply();
+        glActiveTexture(GL_TEXTURE0 + texture_unit);
 
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, PicaToGL::TextureFilterMode(config.config.mag_filter));
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, PicaToGL::TextureFilterMode(config.config.min_filter));
diff --git a/src/video_core/renderer_opengl/gl_resource_manager.h b/src/video_core/renderer_opengl/gl_resource_manager.h
index 6f9dc012..82173d59 100644
--- a/src/video_core/renderer_opengl/gl_resource_manager.h
+++ b/src/video_core/renderer_opengl/gl_resource_manager.h
@@ -10,6 +10,7 @@
 
 #include "video_core/renderer_opengl/generated/gl_3_2_core.h"
 #include "video_core/renderer_opengl/gl_shader_util.h"
+#include "video_core/renderer_opengl/gl_state.h"
 
 class OGLTexture : private NonCopyable {
 public:
@@ -28,6 +29,7 @@ public:
     void Release() {
         if (handle == 0) return;
         glDeleteTextures(1, &handle);
+        OpenGLState::ResetTexture(handle);
         handle = 0;
     }
 
@@ -51,6 +53,7 @@ public:
     void Release() {
         if (handle == 0) return;
         glDeleteProgram(handle);
+        OpenGLState::ResetProgram(handle);
         handle = 0;
     }
 
@@ -74,6 +77,7 @@ public:
     void Release() {
         if (handle == 0) return;
         glDeleteBuffers(1, &handle);
+        OpenGLState::ResetBuffer(handle);
         handle = 0;
     }
 
@@ -97,6 +101,7 @@ public:
     void Release() {
         if (handle == 0) return;
         glDeleteVertexArrays(1, &handle);
+        OpenGLState::ResetVertexArray(handle);
         handle = 0;
     }
 
@@ -120,6 +125,7 @@ public:
     void Release() {
         if (handle == 0) return;
         glDeleteFramebuffers(1, &handle);
+        OpenGLState::ResetFramebuffer(handle);
         handle = 0;
     }
 
diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index 7ccf474e..87132401 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -174,3 +174,35 @@ void OpenGLState::Apply() {
 
     cur_state = *this;
 }
+
+void OpenGLState::ResetTexture(GLuint id) {
+    for (auto& unit : cur_state.texture_units) {
+        if (unit.texture_2d == id) {
+            unit.texture_2d = 0;
+        }
+    }
+}
+
+void OpenGLState::ResetProgram(GLuint id) {
+    if (cur_state.draw.shader_program == id) {
+        cur_state.draw.shader_program = 0;
+    }
+}
+
+void OpenGLState::ResetBuffer(GLuint id) {
+    if (cur_state.draw.vertex_buffer == id) {
+        cur_state.draw.vertex_buffer = 0;
+    }
+}
+
+void OpenGLState::ResetVertexArray(GLuint id) {
+    if (cur_state.draw.vertex_array == id) {
+        cur_state.draw.vertex_array = 0;
+    }
+}
+
+void OpenGLState::ResetFramebuffer(GLuint id) {
+    if (cur_state.draw.framebuffer == id) {
+        cur_state.draw.framebuffer = 0;
+    }
+}
diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index 03b7e26f..3e237902 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -73,6 +73,12 @@ public:
     /// Apply this state as the current OpenGL state
     void Apply();
 
+    static void ResetTexture(GLuint id);
+    static void ResetProgram(GLuint id);
+    static void ResetBuffer(GLuint id);
+    static void ResetVertexArray(GLuint id);
+    static void ResetFramebuffer(GLuint id);
+
 private:
     static OpenGLState cur_state;
 };