blob: fcf7a07778aa77436df6cab41770296ba0444533 [file] [log] [blame]
* Copyright 2019 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrDataUtils_DEFINED
#define GrDataUtils_DEFINED
#include "include/core/SkColor.h"
#include "include/private/GrTypesPriv.h"
#include "src/gpu/GrSwizzle.h"
// TODO: consolidate all the backend-specific flavors of this method to this
size_t GrETC1CompressedDataSize(int w, int h);
// TODO: should this be grown into a replacement for GrPixelConfig?
enum class GrCompression {
// Compute the size of the buffer required to hold all the mipLevels of the specified type
// of data when all rowBytes are tight.
// Note there may still be padding between the mipLevels to meet alignment requirements.
size_t GrComputeTightCombinedBufferSize(GrCompression, size_t bytesPerPixel,
int baseWidth, int baseHeight,
SkTArray<size_t>* individualMipOffsets,
int mipLevelCount);
void GrFillInData(GrCompression, GrPixelConfig,
int baseWidth, int baseHeight,
const SkTArray<size_t>& individualMipOffsets,
char* dest, const SkColor4f& color);
struct GrColorInfo {
GrColorType fColorType = GrColorType::kUnknown;
SkColorSpace* fColorSpace = nullptr;
SkAlphaType fAlphaType = kPremul_SkAlphaType;
struct GrPixelInfo {
GrColorInfo fColorInfo = {};
GrSurfaceOrigin fOrigin = kTopLeft_GrSurfaceOrigin;
int fWidth = 0;
int fHeight = 0;
size_t fRowBytes = 0;
// Swizzle param is applied after loading and before converting from srcInfo to dstInfo.
bool GrConvertPixels(const GrPixelInfo& dstInfo, void* dst, const GrPixelInfo& srcInfo,
const void* src, GrSwizzle swizzle = GrSwizzle{});