1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2020 Google LLC 3*c8dee2aaSAndroid Build Coastguard Worker * 4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be 5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file. 6*c8dee2aaSAndroid Build Coastguard Worker */ 7*c8dee2aaSAndroid Build Coastguard Worker 8*c8dee2aaSAndroid Build Coastguard Worker #ifndef GrBackendUtils_DEFINED 9*c8dee2aaSAndroid Build Coastguard Worker #define GrBackendUtils_DEFINED 10*c8dee2aaSAndroid Build Coastguard Worker 11*c8dee2aaSAndroid Build Coastguard Worker class GrBackendFormat; 12*c8dee2aaSAndroid Build Coastguard Worker enum class SkTextureCompressionType; 13*c8dee2aaSAndroid Build Coastguard Worker 14*c8dee2aaSAndroid Build Coastguard Worker #include <cstddef> 15*c8dee2aaSAndroid Build Coastguard Worker 16*c8dee2aaSAndroid Build Coastguard Worker SkTextureCompressionType GrBackendFormatToCompressionType(const GrBackendFormat& format); 17*c8dee2aaSAndroid Build Coastguard Worker 18*c8dee2aaSAndroid Build Coastguard Worker // Returns the number of bytes per texel block for the given format. All non compressed formats 19*c8dee2aaSAndroid Build Coastguard Worker // are treated as having a block size of 1x1, so this is equivalent to bytesPerPixel. 20*c8dee2aaSAndroid Build Coastguard Worker size_t GrBackendFormatBytesPerBlock(const GrBackendFormat& format); 21*c8dee2aaSAndroid Build Coastguard Worker 22*c8dee2aaSAndroid Build Coastguard Worker // Returns the number of bytes per pixel for the given format. All compressed formats will return 0. 23*c8dee2aaSAndroid Build Coastguard Worker size_t GrBackendFormatBytesPerPixel(const GrBackendFormat& format); 24*c8dee2aaSAndroid Build Coastguard Worker 25*c8dee2aaSAndroid Build Coastguard Worker int GrBackendFormatStencilBits(const GrBackendFormat& format); 26*c8dee2aaSAndroid Build Coastguard Worker 27*c8dee2aaSAndroid Build Coastguard Worker #endif 28