Expose functions for gamma correction

1 files changed, 5 insertions, 1 deletions

diff --git a/include/swgfx.h b/include/swgfx.h
index e9e69b8..9c3361d 100644
--- a/include/swgfx.h
+++ b/include/swgfx.h
@@ -72,7 +72,8 @@ void   sgDel(swgfx**);
 
 // TODO: Write client app first, then implement the functions below in the C file.
 
-void sgPresent(swgfx*, sgVec2i dimensions, sgScreenPixel* screen);
+sgPixel* sgColourBuffer(swgfx*);
+void     sgPresent(swgfx*, sgVec2i dimensions, sgScreenPixel* screen);
 
 void sgModelId    (swgfx*);
 void sgModel      (swgfx*, sgVec3 position, sgVec3 right, sgVec3 up, sgVec3 forward);
@@ -94,4 +95,7 @@ void sgTriangleStrip (swgfx*, size_t count, const sgVec3*, const sgNormal*);
 void sgTrianglesIndexed(swgfx*, size_t numIndices, const sgIdx* indices, const sgVec3* positions, const sgVec2* texcoords);
 void sgTrianglesIndexedNonUniform(swgfx*, size_t numTris, const sgTriIdx* tris, const sgVec3* positions, const sgVec2* texcoords);
 
+void sgGamma   (swgfx*, sgPixel*, int width, int height);
+void sgGammaInv(swgfx*, sgPixel*, int width, int height);
+
 void sgCheck(swgfx*);