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-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp8
-rw-r--r--src/video_core/renderer_opengl/maxwell_to_gl.h5
2 files changed, 13 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 8b3b3ce92..69dcf952f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -1019,6 +1019,14 @@ void RasterizerOpenGL::SyncViewport() {
const GLdouble near_depth = src.translate_z - src.scale_z * reduce_z;
const GLdouble far_depth = src.translate_z + src.scale_z;
glDepthRangeIndexed(static_cast<GLuint>(i), near_depth, far_depth);
+
+ if (!GLAD_GL_NV_viewport_swizzle) {
+ continue;
+ }
+ glViewportSwizzleNV(static_cast<GLuint>(i), MaxwellToGL::ViewportSwizzle(src.swizzle.x),
+ MaxwellToGL::ViewportSwizzle(src.swizzle.y),
+ MaxwellToGL::ViewportSwizzle(src.swizzle.z),
+ MaxwellToGL::ViewportSwizzle(src.swizzle.w));
}
}
}
diff --git a/src/video_core/renderer_opengl/maxwell_to_gl.h b/src/video_core/renderer_opengl/maxwell_to_gl.h
index 2c0c77c28..994ae98eb 100644
--- a/src/video_core/renderer_opengl/maxwell_to_gl.h
+++ b/src/video_core/renderer_opengl/maxwell_to_gl.h
@@ -503,5 +503,10 @@ inline GLenum PolygonMode(Maxwell::PolygonMode polygon_mode) {
return GL_FILL;
}
+inline GLenum ViewportSwizzle(Maxwell::ViewportSwizzle swizzle) {
+ // Enumeration order matches register order. We can convert it arithmetically.
+ return GL_VIEWPORT_SWIZZLE_POSITIVE_X_NV + static_cast<GLenum>(swizzle);
+}
+
} // namespace MaxwellToGL
} // namespace OpenGL