Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(349)

Unified Diff: src/gpu/GrSwizzle.h

Issue 1569393002: Revert of Add a class representing texture swizzle. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/effects/SkTableColorFilter.cpp ('k') | src/gpu/GrTextureAccess.cpp » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/gpu/GrSwizzle.h
diff --git a/src/gpu/GrSwizzle.h b/src/gpu/GrSwizzle.h
deleted file mode 100644
index 87ea9534b9e021bfc6d5b1d0e942b1c5168307fd..0000000000000000000000000000000000000000
--- a/src/gpu/GrSwizzle.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrSwizzle_DEFINED
-#define GrSwizzle_DEFINED
-
-#include "GrTypes.h"
-
-/** Represents a rgba swizzle. It can be converted either into a string or a eight bit int.
- Currently there is no way to specify an arbitrary swizzle, just some static swizzles and an
- assignment operator. That could be relaxed. */
-class GrSwizzle {
-public:
- GrSwizzle() { *this = RGBA(); }
-
- GrSwizzle& operator=(const GrSwizzle& that) {
- memcpy(this, &that, sizeof(GrSwizzle));
- return *this;
- }
-
- bool operator==(const GrSwizzle& that) const { return this->asUInt() == that.asUInt(); }
-
- bool operator!=(const GrSwizzle& that) const { return !(*this == that); }
-
- /** Compact representation of the swizzle suitable for a key. */
- uint8_t asKey() const { return fKey; }
-
- /** 4 char null terminated string consisting only of chars 'r', 'g', 'b', 'a'. */
- const char* c_str() const { return fSwiz; }
-
- static const GrSwizzle& RGBA() {
- static GrSwizzle gRGBA("rgba");
- return gRGBA;
- }
-
- static const GrSwizzle& AAAA() {
- static GrSwizzle gAAAA("aaaa");
- return gAAAA;
- }
-
- static const GrSwizzle& RRRR() {
- static GrSwizzle gRRRR("rrrr");
- return gRRRR;
- }
-
- static const GrSwizzle& BGRA() {
- static GrSwizzle gBGRA("bgra");
- return gBGRA;
- }
-
-private:
- char fSwiz[5];
- uint8_t fKey;
-
- static int CharToIdx(char c) {
- switch (c) {
- case 'r':
- return 0;
- case 'g':
- return 1;
- case 'b':
- return 2;
- case 'a':
- return 3;
- default:
- SkFAIL("Invalid swizzle char");
- return 0;
- }
- }
-
- explicit GrSwizzle(const char* str) {
- SkASSERT(strlen(str) == 4);
- fSwiz[0] = str[0];
- fSwiz[1] = str[1];
- fSwiz[2] = str[2];
- fSwiz[3] = str[3];
- fSwiz[4] = 0;
- fKey = SkToU8(CharToIdx(fSwiz[0]) | (CharToIdx(fSwiz[1]) << 2) |
- (CharToIdx(fSwiz[2]) << 4) | (CharToIdx(fSwiz[3]) << 6));
- }
-
- uint32_t* asUIntPtr() { return SkTCast<uint32_t*>(fSwiz); }
- uint32_t asUInt() const { return *SkTCast<const uint32_t*>(fSwiz); }
-
- GR_STATIC_ASSERT(sizeof(char[4]) == sizeof(uint32_t));
-};
-
-#endif
« no previous file with comments | « src/effects/SkTableColorFilter.cpp ('k') | src/gpu/GrTextureAccess.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698