diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index e6d5d3679..19a160fdd 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -254,6 +254,11 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
         SyncDepthModifiers();
         break;
 
+    // Depth buffering
+    case PICA_REG_INDEX(depthmap_enable):
+        state.draw.shader_dirty = true;
+        break;
+
     // Blending
     case PICA_REG_INDEX(output_merger.alphablend_enable):
         SyncBlendEnabled();
@@ -865,9 +870,9 @@ void RasterizerOpenGL::SyncCullMode() {
 
 void RasterizerOpenGL::SyncDepthModifiers() {
     float depth_scale = -Pica::float24::FromRaw(Pica::g_state.regs.viewport_depth_range).ToFloat32();
-    float depth_offset = Pica::float24::FromRaw(Pica::g_state.regs.viewport_depth_near_plane).ToFloat32() / 2.0f;
+    float depth_offset = Pica::float24::FromRaw(Pica::g_state.regs.viewport_depth_near_plane).ToFloat32();
 
-    // TODO: Implement scale modifier
+    uniform_block_data.data.depth_scale = depth_scale;
     uniform_block_data.data.depth_offset = depth_offset;
     uniform_block_data.dirty = true;
 }
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 390349a0c..32f5b60c5 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -35,6 +35,8 @@ struct PicaShaderConfig {
         PicaShaderConfig res;
         const auto& regs = Pica::g_state.regs;
 
+        res.depthmap_enable = regs.depthmap_enable;
+
         res.alpha_test_func = regs.output_merger.alpha_test.enable ?
             regs.output_merger.alpha_test.func.Value() : Pica::Regs::CompareFunc::Always;
 
@@ -141,6 +143,8 @@ struct PicaShaderConfig {
         return std::memcmp(this, &o, sizeof(PicaShaderConfig)) == 0;
     };
 
+    Pica::Regs::DepthBuffering depthmap_enable = Pica::Regs::DepthBuffering::WBuffering;
+
     Pica::Regs::CompareFunc alpha_test_func = Pica::Regs::CompareFunc::Never;
     std::array<Pica::Regs::TevStageConfig, 6> tev_stages = {};
     u8 combiner_buffer_input = 0;
@@ -303,6 +307,7 @@ private:
         GLvec4 const_color[6];
         GLvec4 tev_combiner_buffer_color;
         GLint alphatest_ref;
+        GLfloat depth_scale;
         GLfloat depth_offset;
         alignas(16) GLvec3 lighting_global_ambient;
         LightSrc light_src[8];
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index ee4b54ab9..fbde93a4e 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp
@@ -525,6 +525,7 @@ layout (std140) uniform shader_data {
     vec4 const_color[NUM_TEV_STAGES];
     vec4 tev_combiner_buffer_color;
     int alphatest_ref;
+    float depth_scale;
     float depth_offset;
     vec3 lighting_global_ambient;
     LightSrc light_src[NUM_LIGHTS];
@@ -566,7 +567,15 @@ vec4 secondary_fragment_color = vec4(0.0);
     }
 
     out += "color = last_tex_env_out;\n";
-    out += "gl_FragDepth = gl_FragCoord.z + depth_offset;\n}";
+
+    out += "float z_over_w = gl_FragCoord.z * 2.0 - 1.0;\n";
+    out += "float depth = z_over_w * depth_scale + depth_offset;\n";
+    if (config.depthmap_enable == Pica::Regs::DepthBuffering::WBuffering) {
+        out += "depth /= gl_FragCoord.w;\n";
+    }
+    out += "gl_FragDepth = depth;\n";
+
+    out += "}";
 
     return out;
 }