SkColorSpaceXformSteps

Lots TODO.

Change-Id: I95edb764b85a5140d432adb506c3b537869e6df4
Reviewed-on: https://skia-review.googlesource.com/129933
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: Mike Klein <mtklein@chromium.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/core/SkColorSpaceXformSteps.h b/src/core/SkColorSpaceXformSteps.h
new file mode 100644
index 0000000000..03702d813a
--- /dev/null
+++ b/src/core/SkColorSpaceXformSteps.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkColorSpaceXformSteps_DEFINED
+#define SkColorSpaceXformSteps_DEFINED
+
+#include "SkColorSpace.h"
+#include "SkImageInfo.h"
+
+struct SkColorSpaceXformSteps {
+    SkColorSpaceXformSteps(SkColorSpace* src, SkAlphaType srcAT,
+                           SkColorSpace* dst);
+
+    // Source pipeline steps, pre-blend.
+    bool early_unpremul;
+    bool linearize_src;
+    bool late_unpremul;
+    bool gamut_transform;
+    bool early_encode;
+    bool premul;
+
+    // Destination pipeline steps, pre-blend.
+    bool linearize_dst;
+
+    // Post-blend steps.
+    bool late_encode;
+
+/* TODO
+    SkColorSpaceTransferFn srcTFInv,  // Apply for linearize_src.
+                           dstTFInv,  // Apply for linearize_dst.
+                           dstTF;     // Apply for early_encode or late_encode.
+    float src_to_dst_matrix[9];       // Apply this 3x3 row-major matrix for gamut_transform.
+*/
+};
+
+
+
+#endif//SkColorSpaceXformSteps_DEFINED