diff --git a/Source/Project64-video/Main.cpp b/Source/Project64-video/Main.cpp
index 66e9ca464..8f8ad9eb8 100644
--- a/Source/Project64-video/Main.cpp
+++ b/Source/Project64-video/Main.cpp
@@ -231,14 +231,14 @@ void guLoadTextures()
     {
         gfxTextureBufferExt(GR_TMU1, voodoo.tex_min_addr[GR_TMU1], GFX_LOD_LOG2_256, GFX_LOD_LOG2_256,
             GR_ASPECT_LOG2_1x1, GFX_TEXFMT_RGB_565, GR_MIPMAPLEVELMASK_BOTH);
-        tbuf_size = 8 * grTexCalcMemRequired(GFX_LOD_LOG2_256, GFX_LOD_LOG2_256,
+        tbuf_size = 8 * gfxTexCalcMemRequired(GFX_LOD_LOG2_256, GFX_LOD_LOG2_256,
             GR_ASPECT_LOG2_1x1, GFX_TEXFMT_RGB_565);
     }
     else if (g_scr_res_x <= 1024)
     {
         gfxTextureBufferExt(GR_TMU0, voodoo.tex_min_addr[GR_TMU0], GFX_LOD_LOG2_1024, GFX_LOD_LOG2_1024,
             GR_ASPECT_LOG2_1x1, GFX_TEXFMT_RGB_565, GR_MIPMAPLEVELMASK_BOTH);
-        tbuf_size = grTexCalcMemRequired(GFX_LOD_LOG2_1024, GFX_LOD_LOG2_1024,
+        tbuf_size = gfxTexCalcMemRequired(GFX_LOD_LOG2_1024, GFX_LOD_LOG2_1024,
             GR_ASPECT_LOG2_1x1, GFX_TEXFMT_RGB_565);
         gfxRenderBuffer(GR_BUFFER_TEXTUREBUFFER_EXT);
         gfxBufferClear(0, 0, 0xFFFF);
@@ -248,7 +248,7 @@ void guLoadTextures()
     {
         gfxTextureBufferExt(GR_TMU0, voodoo.tex_min_addr[GR_TMU0], GFX_LOD_LOG2_2048, GFX_LOD_LOG2_2048,
             GR_ASPECT_LOG2_1x1, GFX_TEXFMT_RGB_565, GR_MIPMAPLEVELMASK_BOTH);
-        tbuf_size = grTexCalcMemRequired(GFX_LOD_LOG2_2048, GFX_LOD_LOG2_2048,
+        tbuf_size = gfxTexCalcMemRequired(GFX_LOD_LOG2_2048, GFX_LOD_LOG2_2048,
             GR_ASPECT_LOG2_1x1, GFX_TEXFMT_RGB_565);
         gfxRenderBuffer(GR_BUFFER_TEXTUREBUFFER_EXT);
         gfxBufferClear(0, 0, 0xFFFF);
diff --git a/Source/Project64-video/Renderer/OGLEStextures.cpp b/Source/Project64-video/Renderer/OGLEStextures.cpp
index 24d482790..659625c7a 100644
--- a/Source/Project64-video/Renderer/OGLEStextures.cpp
+++ b/Source/Project64-video/Renderer/OGLEStextures.cpp
@@ -204,13 +204,13 @@ FxU32 gfxTexTextureMemRequired(FxU32 evenOdd, GrTexInfo *info)
 }
 
 FX_ENTRY FxU32 FX_CALL
-grTexCalcMemRequired(
+gfxTexCalcMemRequired(
     GrLOD_t lodmin, GrLOD_t lodmax,
     GrAspectRatio_t aspect, GrTextureFormat_t fmt)
 {
     WriteTrace(TraceGlitch, TraceDebug, "lodmin = %d, lodmax: %d aspect: %d fmt: %d", lodmin, lodmax, aspect, fmt);
     int width, height;
-    if (lodmax != lodmin) WriteTrace(TraceGlitch, TraceWarning, "grTexCalcMemRequired : loading more than one LOD");
+    if (lodmax != lodmin) WriteTrace(TraceGlitch, TraceWarning, "gfxTexCalcMemRequired : loading more than one LOD");
 
     if (aspect < 0)
     {
diff --git a/Source/Project64-video/Renderer/OGLtextures.cpp b/Source/Project64-video/Renderer/OGLtextures.cpp
index af836ef02..ca8d4a46a 100644
--- a/Source/Project64-video/Renderer/OGLtextures.cpp
+++ b/Source/Project64-video/Renderer/OGLtextures.cpp
@@ -204,14 +204,11 @@ FxU32 gfxTexTextureMemRequired(FxU32 evenOdd, GrTexInfo *info)
     return 0;
 }
 
-FX_ENTRY FxU32 FX_CALL
-grTexCalcMemRequired(
-    GrLOD_t lodmin, GrLOD_t lodmax,
-    GrAspectRatio_t aspect, GrTextureFormat_t fmt)
+FxU32 gfxTexCalcMemRequired(GrLOD_t lodmin, GrLOD_t lodmax, GrAspectRatio_t aspect, GrTextureFormat_t fmt)
 {
     WriteTrace(TraceGlitch, TraceDebug, "lodmin = %d, lodmax: %d aspect: %d fmt: %d", lodmin, lodmax, aspect, fmt);
     int width, height;
-    if (lodmax != lodmin) WriteTrace(TraceGlitch, TraceWarning, "grTexCalcMemRequired : loading more than one LOD");
+    if (lodmax != lodmin) WriteTrace(TraceGlitch, TraceWarning, "gfxTexCalcMemRequired : loading more than one LOD");
 
     if (aspect < 0)
     {
diff --git a/Source/Project64-video/Renderer/Renderer.h b/Source/Project64-video/Renderer/Renderer.h
index 5e3cd16f5..5d00eca68 100644
--- a/Source/Project64-video/Renderer/Renderer.h
+++ b/Source/Project64-video/Renderer/Renderer.h
@@ -63,6 +63,7 @@ FxBool gfxLfbLock(GrLock_t type, GrBuffer_t buffer, GrLfbWriteMode_t writeMode,
 FxBool gfxLfbUnlock(GrLock_t type, GrBuffer_t buffer);
 FxBool gfxLfbReadRegion(GrBuffer_t src_buffer, FxU32 src_x, FxU32 src_y, FxU32 src_width, FxU32 src_height, FxU32 dst_stride, void *dst_data);
 FxBool gfxLfbWriteRegion(GrBuffer_t dst_buffer, FxU32 dst_x, FxU32 dst_y, GrLfbSrcFmt_t src_format, FxU32 src_width, FxU32 src_height, FxBool pixelPipeline, FxI32 src_stride, void *src_data);
+FxU32 gfxTexCalcMemRequired(GrLOD_t lodmin, GrLOD_t lodmax, GrAspectRatio_t aspect, GrTextureFormat_t fmt);
 
 extern uint32_t nbTextureUnits;
 extern uint32_t g_scr_res_x, g_scr_res_y, g_res_x, g_res_y;
diff --git a/Source/Project64-video/TexBuffer.cpp b/Source/Project64-video/TexBuffer.cpp
index 3527c70ff..4c4cc9d18 100644
--- a/Source/Project64-video/TexBuffer.cpp
+++ b/Source/Project64-video/TexBuffer.cpp
@@ -126,7 +126,7 @@ static TBUFF_COLOR_IMAGE * AllocateTextureBuffer(COLOR_IMAGE & cimage)
 
     WriteTrace(TraceRDP, TraceDebug, "\nAllocateTextureBuffer. width: %d, height: %d, scr_width: %f, scr_height: %f, vi_width: %f, vi_height:%f, scale_x: %f, scale_y: %f, lr_u: %f, lr_v: %f, u_scale: %f, v_scale: %f", texbuf.width, texbuf.height, texbuf.scr_width, texbuf.scr_height, rdp.vi_width, rdp.vi_height, rdp.scale_x, rdp.scale_y, texbuf.lr_u, texbuf.lr_v, texbuf.u_scale, texbuf.v_scale);
 
-    uint32_t required = grTexCalcMemRequired(texbuf.info.smallLodLog2, texbuf.info.largeLodLog2,
+    uint32_t required = gfxTexCalcMemRequired(texbuf.info.smallLodLog2, texbuf.info.largeLodLog2,
         texbuf.info.aspectRatioLog2, texbuf.info.format);
     //find free space
     for (int i = 0; i < (nbTextureUnits > 2 ? 2 : 1); i++)