X-Git-Url: https://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=image.cpp;h=fb534be70302ef92ca80ab2ba3a8255a10d6326c;hp=02fd60b878ee1122bd9a027e38df10304d681ef8;hb=671418e7effc7cbbb7e05df216291406d2b82dd7;hpb=99d2b81ce5567869469fe2e55722cc212370c7db

diff --git a/image.cpp b/image.cpp
index 02fd60b..fb534be 100644
--- a/image.cpp
+++ b/image.cpp
@@ -51,17 +51,27 @@ GLenum Image::format() const {
 	return GL_RGBA;
 }
 
+inline bool Image::usesFloat() const { return info & kCGBitmapFloatComponents; }
+
 GLint Image::internalFormat() const {
 	switch (format()) {
 		case GL_DEPTH_COMPONENT: return GL_DEPTH_COMPONENT;
-		case GL_RGB: return GL_RGB;
+        case GL_RGB:
+            if (bitsPerComponent == 16)
+				return usesFloat() ? GL_RGB16F : GL_RGB16;
+            else if (bitsPerComponent == 8)
+				return GL_RGB;
+            else abort();
 		default: return GL_RGBA;
 	}
 }
 
 GLenum Image::type() const {
-	bool isFloat = info & kCGBitmapFloatComponents;
-	if (isFloat) return GL_FLOAT;
+	if (usesFloat()) {
+		if (bitsPerComponent == 16) return GL_HALF_FLOAT;
+		else if (bitsPerComponent == 32) return GL_FLOAT;
+		abort();
+	}
 	return GL_UNSIGNED_BYTE;
 	
 	//TODO: