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-rw-r--r--hw/pixel_ops.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/hw/pixel_ops.h b/hw/pixel_ops.h
new file mode 100644
index 0000000000..5334f1dbf4
--- /dev/null
+++ b/hw/pixel_ops.h
@@ -0,0 +1,41 @@
+static inline unsigned int rgb_to_pixel8(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return ((r >> 5) << 5) | ((g >> 5) << 2) | (b >> 6);
+}
+
+static inline unsigned int rgb_to_pixel15(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
+}
+
+static inline unsigned int rgb_to_pixel15bgr(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return ((b >> 3) << 10) | ((g >> 3) << 5) | (r >> 3);
+}
+
+static inline unsigned int rgb_to_pixel16(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
+}
+
+static inline unsigned int rgb_to_pixel16bgr(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return ((b >> 3) << 11) | ((g >> 2) << 5) | (r >> 3);
+}
+
+static inline unsigned int rgb_to_pixel32(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return (r << 16) | (g << 8) | b;
+}
+
+static inline unsigned int rgb_to_pixel32bgr(unsigned int r, unsigned int g,
+ unsigned int b)
+{
+ return (b << 16) | (g << 8) | r;
+}