summaryrefslogtreecommitdiffstats
path: root/gfx/angle/checkout/src/common/Color.h
diff options
context:
space:
mode:
Diffstat (limited to 'gfx/angle/checkout/src/common/Color.h')
-rw-r--r--gfx/angle/checkout/src/common/Color.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/common/Color.h b/gfx/angle/checkout/src/common/Color.h
new file mode 100644
index 0000000000..b228d8e8c5
--- /dev/null
+++ b/gfx/angle/checkout/src/common/Color.h
@@ -0,0 +1,104 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Color.h : Defines the Color type used throughout the ANGLE libraries
+
+#ifndef COMMON_COLOR_H_
+#define COMMON_COLOR_H_
+
+#include <cstdint>
+
+namespace angle
+{
+
+template <typename T>
+struct Color
+{
+ Color();
+ constexpr Color(T r, T g, T b, T a);
+
+ const T *data() const { return &red; }
+ T *ptr() { return &red; }
+
+ static Color fromData(const T *data) { return Color(data[0], data[1], data[2], data[3]); }
+ void writeData(T *data) const
+ {
+ data[0] = red;
+ data[1] = green;
+ data[2] = blue;
+ data[3] = alpha;
+ }
+
+ T red;
+ T green;
+ T blue;
+ T alpha;
+};
+
+template <typename T>
+bool operator==(const Color<T> &a, const Color<T> &b);
+
+template <typename T>
+bool operator!=(const Color<T> &a, const Color<T> &b);
+
+typedef Color<float> ColorF;
+typedef Color<int> ColorI;
+typedef Color<unsigned int> ColorUI;
+
+struct ColorGeneric
+{
+ inline ColorGeneric();
+ inline ColorGeneric(const ColorF &color);
+ inline ColorGeneric(const ColorI &color);
+ inline ColorGeneric(const ColorUI &color);
+
+ enum class Type : uint8_t
+ {
+ Float = 0,
+ Int = 1,
+ UInt = 2
+ };
+
+ union
+ {
+ ColorF colorF;
+ ColorI colorI;
+ ColorUI colorUI;
+ };
+
+ Type type;
+};
+
+inline bool operator==(const ColorGeneric &a, const ColorGeneric &b);
+
+inline bool operator!=(const ColorGeneric &a, const ColorGeneric &b);
+
+struct DepthStencil
+{
+ DepthStencil() : depth(0), stencil(0) {}
+
+ // Double is needed to represent the 32-bit integer range of GL_DEPTH_COMPONENT32.
+ double depth;
+ uint32_t stencil;
+};
+} // namespace angle
+
+// TODO: Move this fully into the angle namespace
+namespace gl
+{
+
+template <typename T>
+using Color = angle::Color<T>;
+using ColorF = angle::ColorF;
+using ColorI = angle::ColorI;
+using ColorUI = angle::ColorUI;
+using ColorGeneric = angle::ColorGeneric;
+
+} // namespace gl
+
+#include "Color.inc"
+
+#endif // COMMON_COLOR_H_