diff --git a/hw/xbox/nv2a/pgraph/gl/constants.h b/hw/xbox/nv2a/pgraph/gl/constants.h
index d78b0054e38..cb789efebdc 100644
--- a/hw/xbox/nv2a/pgraph/gl/constants.h
+++ b/hw/xbox/nv2a/pgraph/gl/constants.h
@@ -79,8 +79,8 @@ static const GLenum pgraph_blend_equation_gl_map[] = {
     GL_FUNC_ADD,
     GL_MIN,
     GL_MAX,
-    GL_FUNC_REVERSE_SUBTRACT,
     GL_FUNC_ADD,
+    GL_FUNC_REVERSE_SUBTRACT,
 };
 
 /* FIXME
diff --git a/hw/xbox/nv2a/pgraph/gl/draw.c b/hw/xbox/nv2a/pgraph/gl/draw.c
index a9032562fa9..03a866e322a 100644
--- a/hw/xbox/nv2a/pgraph/gl/draw.c
+++ b/hw/xbox/nv2a/pgraph/gl/draw.c
@@ -168,14 +168,6 @@ void pgraph_gl_draw_begin(NV2AState *d)
 
     if (pgraph_reg_r(pg, NV_PGRAPH_BLEND) & NV_PGRAPH_BLEND_EN) {
         glEnable(GL_BLEND);
-        uint32_t sfactor = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
-                                    NV_PGRAPH_BLEND_SFACTOR);
-        uint32_t dfactor = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
-                                    NV_PGRAPH_BLEND_DFACTOR);
-        assert(sfactor < ARRAY_SIZE(pgraph_blend_factor_gl_map));
-        assert(dfactor < ARRAY_SIZE(pgraph_blend_factor_gl_map));
-        glBlendFunc(pgraph_blend_factor_gl_map[sfactor],
-                    pgraph_blend_factor_gl_map[dfactor]);
 
         uint32_t equation = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
                                      NV_PGRAPH_BLEND_EQN);
@@ -187,6 +179,23 @@ void pgraph_gl_draw_begin(NV2AState *d)
         pgraph_argb_pack32_to_rgba_float(blend_color, gl_blend_color);
         glBlendColor(gl_blend_color[0], gl_blend_color[1], gl_blend_color[2],
                      gl_blend_color[3]);
+        uint32_t sfactor = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
+                                    NV_PGRAPH_BLEND_SFACTOR);
+        uint32_t dfactor = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
+                                    NV_PGRAPH_BLEND_DFACTOR);
+        assert(sfactor < ARRAY_SIZE(pgraph_blend_factor_gl_map));
+        assert(dfactor < ARRAY_SIZE(pgraph_blend_factor_gl_map));
+
+        if (equation < 5) {           
+            glBlendFunc(pgraph_blend_factor_gl_map[sfactor],
+                        pgraph_blend_factor_gl_map[dfactor]);
+        } else {           
+            glBlendFuncSeparate(pgraph_blend_factor_gl_map[3],
+                                pgraph_blend_factor_gl_map[1],
+                                pgraph_blend_factor_gl_map[sfactor],
+                                pgraph_blend_factor_gl_map[dfactor]);
+        }
+
     } else {
         glDisable(GL_BLEND);
     }
diff --git a/hw/xbox/nv2a/pgraph/vk/constants.h b/hw/xbox/nv2a/pgraph/vk/constants.h
index eb7e97dbc04..f86f48cb5cb 100644
--- a/hw/xbox/nv2a/pgraph/vk/constants.h
+++ b/hw/xbox/nv2a/pgraph/vk/constants.h
@@ -77,8 +77,8 @@ static const VkBlendOp pgraph_blend_equation_vk_map[] = {
     VK_BLEND_OP_ADD,
     VK_BLEND_OP_MIN,
     VK_BLEND_OP_MAX,
-    VK_BLEND_OP_REVERSE_SUBTRACT,
     VK_BLEND_OP_ADD,
+    VK_BLEND_OP_REVERSE_SUBTRACT,
 };
 
 /* FIXME
diff --git a/hw/xbox/nv2a/pgraph/vk/draw.c b/hw/xbox/nv2a/pgraph/vk/draw.c
index 4cde028b1f4..66978aa8a5b 100644
--- a/hw/xbox/nv2a/pgraph/vk/draw.c
+++ b/hw/xbox/nv2a/pgraph/vk/draw.c
@@ -909,21 +909,6 @@ static void create_pipeline(PGRAPHState *pg)
     if (pgraph_reg_r(pg, NV_PGRAPH_BLEND) & NV_PGRAPH_BLEND_EN) {
         color_blend_attachment.blendEnable = VK_TRUE;
 
-        uint32_t sfactor =
-            GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND), NV_PGRAPH_BLEND_SFACTOR);
-        uint32_t dfactor =
-            GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND), NV_PGRAPH_BLEND_DFACTOR);
-        assert(sfactor < ARRAY_SIZE(pgraph_blend_factor_vk_map));
-        assert(dfactor < ARRAY_SIZE(pgraph_blend_factor_vk_map));
-        color_blend_attachment.srcColorBlendFactor =
-            pgraph_blend_factor_vk_map[sfactor];
-        color_blend_attachment.dstColorBlendFactor =
-            pgraph_blend_factor_vk_map[dfactor];
-        color_blend_attachment.srcAlphaBlendFactor =
-            pgraph_blend_factor_vk_map[sfactor];
-        color_blend_attachment.dstAlphaBlendFactor =
-            pgraph_blend_factor_vk_map[dfactor];
-
         uint32_t equation =
             GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND), NV_PGRAPH_BLEND_EQN);
         assert(equation < ARRAY_SIZE(pgraph_blend_equation_vk_map));
@@ -935,6 +920,33 @@ static void create_pipeline(PGRAPHState *pg)
 
         uint32_t blend_color = pgraph_reg_r(pg, NV_PGRAPH_BLENDCOLOR);
         pgraph_argb_pack32_to_rgba_float(blend_color, blend_constant);
+
+        uint32_t sfactor = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
+                                    NV_PGRAPH_BLEND_SFACTOR);
+        uint32_t dfactor = GET_MASK(pgraph_reg_r(pg, NV_PGRAPH_BLEND),
+                                    NV_PGRAPH_BLEND_DFACTOR);
+        assert(sfactor < ARRAY_SIZE(pgraph_blend_factor_vk_map));
+        assert(dfactor < ARRAY_SIZE(pgraph_blend_factor_vk_map));
+
+        if (equation < 5) {           
+            color_blend_attachment.srcColorBlendFactor =
+                pgraph_blend_factor_vk_map[sfactor];
+            color_blend_attachment.dstColorBlendFactor =
+                pgraph_blend_factor_vk_map[dfactor];
+            color_blend_attachment.srcAlphaBlendFactor =
+                pgraph_blend_factor_vk_map[sfactor];
+            color_blend_attachment.dstAlphaBlendFactor =
+                pgraph_blend_factor_vk_map[dfactor];
+        } else {
+            color_blend_attachment.srcColorBlendFactor =
+                pgraph_blend_factor_vk_map[3];
+            color_blend_attachment.dstColorBlendFactor =
+                pgraph_blend_factor_vk_map[1];
+            color_blend_attachment.srcAlphaBlendFactor =
+                pgraph_blend_factor_vk_map[sfactor];
+            color_blend_attachment.dstAlphaBlendFactor =
+                pgraph_blend_factor_vk_map[dfactor];
+        }
     }
 
     VkPipelineColorBlendStateCreateInfo color_blending = {