| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrTypesPriv_DEFINED |
| #define GrTypesPriv_DEFINED |
| |
| #include <chrono> |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkPath.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/gpu/GrTypes.h" |
| #include "include/private/GrSharedEnums.h" |
| #include "include/private/SkImageInfoPriv.h" |
| #include "include/private/SkWeakRefCnt.h" |
| |
| class GrBackendFormat; |
| class GrCaps; |
| |
| // The old libstdc++ uses the draft name "monotonic_clock" rather than "steady_clock". This might |
| // not actually be monotonic, depending on how libstdc++ was built. However, this is only currently |
| // used for idle resource purging so it shouldn't cause a correctness problem. |
| #if defined(__GLIBCXX__) && (__GLIBCXX__ < 20130000) |
| using GrStdSteadyClock = std::chrono::monotonic_clock; |
| #else |
| using GrStdSteadyClock = std::chrono::steady_clock; |
| #endif |
| |
| /** |
| * divide, rounding up |
| */ |
| |
| static inline constexpr size_t GrSizeDivRoundUp(size_t x, size_t y) { return (x + (y - 1)) / y; } |
| |
| /** |
| * align up to a power of 2 |
| */ |
| static inline constexpr size_t GrAlignTo(size_t x, size_t alignment) { |
| SkASSERT(alignment && SkIsPow2(alignment)); |
| return (x + alignment - 1) & ~(alignment - 1); |
| } |
| |
| /** |
| * Pixel configurations. This type conflates texture formats, CPU pixel formats, and |
| * premultipliedness. We are moving away from it towards SkColorType and backend API (GL, Vulkan) |
| * texture formats in the public API. Right now this mostly refers to texture formats as we're |
| * migrating. |
| */ |
| enum GrPixelConfig { |
| kUnknown_GrPixelConfig, |
| kAlpha_8_GrPixelConfig, |
| kAlpha_8_as_Alpha_GrPixelConfig, |
| kAlpha_8_as_Red_GrPixelConfig, |
| kGray_8_GrPixelConfig, |
| kGray_8_as_Lum_GrPixelConfig, |
| kGray_8_as_Red_GrPixelConfig, |
| kRGB_565_GrPixelConfig, |
| kRGBA_4444_GrPixelConfig, |
| kRGBA_8888_GrPixelConfig, |
| kRGB_888_GrPixelConfig, |
| kRGB_888X_GrPixelConfig, |
| kRG_88_GrPixelConfig, |
| kBGRA_8888_GrPixelConfig, |
| kSRGBA_8888_GrPixelConfig, |
| kRGBA_1010102_GrPixelConfig, |
| kAlpha_half_GrPixelConfig, |
| kAlpha_half_as_Lum_GrPixelConfig, |
| kAlpha_half_as_Red_GrPixelConfig, |
| kRGBA_half_GrPixelConfig, |
| kRGBA_half_Clamped_GrPixelConfig, |
| kRGB_ETC1_GrPixelConfig, |
| kRGB_BC1_GrPixelConfig, |
| kAlpha_16_GrPixelConfig, |
| kRG_1616_GrPixelConfig, |
| kRGBA_16161616_GrPixelConfig, |
| kRG_half_GrPixelConfig, |
| |
| kLast_GrPixelConfig = kRG_half_GrPixelConfig |
| }; |
| static const int kGrPixelConfigCnt = kLast_GrPixelConfig + 1; |
| |
| // Aliases for pixel configs that match skia's byte order. |
| #ifndef SK_CPU_LENDIAN |
| #error "Skia gpu currently assumes little endian" |
| #endif |
| #if SK_PMCOLOR_BYTE_ORDER(B,G,R,A) |
| static const GrPixelConfig kSkia8888_GrPixelConfig = kBGRA_8888_GrPixelConfig; |
| #elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A) |
| static const GrPixelConfig kSkia8888_GrPixelConfig = kRGBA_8888_GrPixelConfig; |
| #else |
| #error "SK_*32_SHIFT values must correspond to GL_BGRA or GL_RGBA format." |
| #endif |
| |
| /** |
| * Geometric primitives used for drawing. |
| */ |
| enum class GrPrimitiveType : uint8_t { |
| kTriangles, |
| kTriangleStrip, |
| kPoints, |
| kLines, // 1 pix wide only |
| kLineStrip, // 1 pix wide only |
| kPatches, |
| kPath |
| }; |
| static constexpr int kNumGrPrimitiveTypes = (int)GrPrimitiveType::kPath + 1; |
| |
| static constexpr bool GrIsPrimTypeLines(GrPrimitiveType type) { |
| return GrPrimitiveType::kLines == type || GrPrimitiveType::kLineStrip == type; |
| } |
| |
| static constexpr bool GrIsPrimTypeTris(GrPrimitiveType type) { |
| return GrPrimitiveType::kTriangles == type || GrPrimitiveType::kTriangleStrip == type; |
| } |
| |
| enum class GrPrimitiveRestart : bool { |
| kNo = false, |
| kYes = true |
| }; |
| |
| /** |
| * Formats for masks, used by the font cache. Important that these are 0-based. |
| */ |
| enum GrMaskFormat { |
| kA8_GrMaskFormat, //!< 1-byte per pixel |
| kA565_GrMaskFormat, //!< 2-bytes per pixel, RGB represent 3-channel LCD coverage |
| kARGB_GrMaskFormat, //!< 4-bytes per pixel, color format |
| |
| kLast_GrMaskFormat = kARGB_GrMaskFormat |
| }; |
| static const int kMaskFormatCount = kLast_GrMaskFormat + 1; |
| |
| /** |
| * Return the number of bytes-per-pixel for the specified mask format. |
| */ |
| static inline int GrMaskFormatBytesPerPixel(GrMaskFormat format) { |
| SkASSERT(format < kMaskFormatCount); |
| // kA8 (0) -> 1 |
| // kA565 (1) -> 2 |
| // kARGB (2) -> 4 |
| static const int sBytesPerPixel[] = {1, 2, 4}; |
| static_assert(SK_ARRAY_COUNT(sBytesPerPixel) == kMaskFormatCount, "array_size_mismatch"); |
| static_assert(kA8_GrMaskFormat == 0, "enum_order_dependency"); |
| static_assert(kA565_GrMaskFormat == 1, "enum_order_dependency"); |
| static_assert(kARGB_GrMaskFormat == 2, "enum_order_dependency"); |
| |
| return sBytesPerPixel[(int)format]; |
| } |
| |
| /** |
| * Describes a surface to be created. |
| */ |
| struct GrSurfaceDesc { |
| GrSurfaceDesc() : fWidth(0), fHeight(0), fConfig(kUnknown_GrPixelConfig) {} |
| |
| int fWidth; //!< Width of the texture |
| int fHeight; //!< Height of the texture |
| |
| /** |
| * Format of source data of the texture. Not guaranteed to be the same as |
| * internal format used by 3D API. |
| */ |
| GrPixelConfig fConfig; |
| }; |
| |
| /** Ownership rules for external GPU resources imported into Skia. */ |
| enum GrWrapOwnership { |
| /** Skia will assume the client will keep the resource alive and Skia will not free it. */ |
| kBorrow_GrWrapOwnership, |
| |
| /** Skia will assume ownership of the resource and free it. */ |
| kAdopt_GrWrapOwnership, |
| }; |
| |
| enum class GrWrapCacheable : bool { |
| /** |
| * The wrapped resource will be removed from the cache as soon as it becomes purgeable. It may |
| * still be assigned and found by a unique key, but the presence of the key will not be used to |
| * keep the resource alive when it has no references. |
| */ |
| kNo = false, |
| /** |
| * The wrapped resource is allowed to remain in the GrResourceCache when it has no references |
| * but has a unique key. Such resources should only be given unique keys when it is known that |
| * the key will eventually be removed from the resource or invalidated via the message bus. |
| */ |
| kYes = true |
| }; |
| |
| enum class GrBudgetedType : uint8_t { |
| /** The resource is budgeted and is subject to purging under budget pressure. */ |
| kBudgeted, |
| /** |
| * The resource is unbudgeted and is purged as soon as it has no refs regardless of whether |
| * it has a unique or scratch key. |
| */ |
| kUnbudgetedUncacheable, |
| /** |
| * The resource is unbudgeted and is allowed to remain in the cache with no refs if it |
| * has a unique key. Scratch keys are ignored. |
| */ |
| kUnbudgetedCacheable, |
| }; |
| |
| /** |
| * Clips are composed from these objects. |
| */ |
| enum GrClipType { |
| kRect_ClipType, |
| kPath_ClipType |
| }; |
| |
| enum class GrScissorTest : bool { |
| kDisabled = false, |
| kEnabled = true |
| }; |
| |
| struct GrMipLevel { |
| const void* fPixels = nullptr; |
| size_t fRowBytes = 0; |
| }; |
| |
| /** |
| * This enum is used to specify the load operation to be used when an GrOpsTask/GrOpsRenderPass |
| * begins execution. |
| */ |
| enum class GrLoadOp { |
| kLoad, |
| kClear, |
| kDiscard, |
| }; |
| |
| /** |
| * This enum is used to specify the store operation to be used when an GrOpsTask/GrOpsRenderPass |
| * ends execution. |
| */ |
| enum class GrStoreOp { |
| kStore, |
| kDiscard, |
| }; |
| |
| /** |
| * Used to control antialiasing in draw calls. |
| */ |
| enum class GrAA : bool { |
| kNo = false, |
| kYes = true |
| }; |
| |
| enum class GrFillRule : bool { |
| kNonzero, |
| kEvenOdd |
| }; |
| |
| inline GrFillRule GrFillRuleForSkPath(const SkPath& path) { |
| switch (path.getFillType()) { |
| case SkPathFillType::kWinding: |
| case SkPathFillType::kInverseWinding: |
| return GrFillRule::kNonzero; |
| case SkPathFillType::kEvenOdd: |
| case SkPathFillType::kInverseEvenOdd: |
| return GrFillRule::kEvenOdd; |
| } |
| SkUNREACHABLE; |
| } |
| |
| /** This enum indicates the type of antialiasing to be performed. */ |
| enum class GrAAType : unsigned { |
| /** No antialiasing */ |
| kNone, |
| /** Use fragment shader code or mixed samples to blend with a fractional pixel coverage. */ |
| kCoverage, |
| /** Use normal MSAA. */ |
| kMSAA, |
| |
| kLast = kMSAA |
| }; |
| static const int kGrAATypeCount = static_cast<int>(GrAAType::kLast) + 1; |
| |
| static constexpr bool GrAATypeIsHW(GrAAType type) { |
| switch (type) { |
| case GrAAType::kNone: |
| return false; |
| case GrAAType::kCoverage: |
| return false; |
| case GrAAType::kMSAA: |
| return true; |
| } |
| SkUNREACHABLE; |
| } |
| |
| /** |
| * Some pixel configs are inherently clamped to [0,1], some are allowed to go outside that range, |
| * and some are FP but manually clamped in the XP. |
| */ |
| enum class GrClampType { |
| kAuto, // Normalized, fixed-point configs |
| kManual, // Clamped FP configs |
| kNone, // Normal (unclamped) FP configs |
| }; |
| |
| /** |
| * A number of rectangle/quadrilateral drawing APIs can control anti-aliasing on a per edge basis. |
| * These masks specify which edges are AA'ed. The intent for this is to support tiling with seamless |
| * boundaries, where the inner edges are non-AA and the outer edges are AA. Regular draws (where AA |
| * is specified by GrAA) is almost equivalent to kNone or kAll, with the exception of how MSAA is |
| * handled. |
| * |
| * When tiling and there is MSAA, mixed edge rectangles are processed with MSAA, so in order for the |
| * tiled edges to remain seamless, inner tiles with kNone must also be processed with MSAA. In |
| * regular drawing, however, kNone should disable MSAA (if it's supported) to match the expected |
| * appearance. |
| * |
| * Therefore, APIs that use per-edge AA flags also take a GrAA value so that they can differentiate |
| * between the regular and tiling use case behaviors. Tiling operations should always pass |
| * GrAA::kYes while regular options should pass GrAA based on the SkPaint's anti-alias state. |
| */ |
| enum class GrQuadAAFlags { |
| kLeft = SkCanvas::kLeft_QuadAAFlag, |
| kTop = SkCanvas::kTop_QuadAAFlag, |
| kRight = SkCanvas::kRight_QuadAAFlag, |
| kBottom = SkCanvas::kBottom_QuadAAFlag, |
| |
| kNone = SkCanvas::kNone_QuadAAFlags, |
| kAll = SkCanvas::kAll_QuadAAFlags |
| }; |
| |
| GR_MAKE_BITFIELD_CLASS_OPS(GrQuadAAFlags) |
| |
| static inline GrQuadAAFlags SkToGrQuadAAFlags(unsigned flags) { |
| return static_cast<GrQuadAAFlags>(flags); |
| } |
| |
| /** |
| * Types of shader-language-specific boxed variables we can create. |
| */ |
| enum GrSLType { |
| kVoid_GrSLType, |
| kBool_GrSLType, |
| kByte_GrSLType, |
| kByte2_GrSLType, |
| kByte3_GrSLType, |
| kByte4_GrSLType, |
| kUByte_GrSLType, |
| kUByte2_GrSLType, |
| kUByte3_GrSLType, |
| kUByte4_GrSLType, |
| kShort_GrSLType, |
| kShort2_GrSLType, |
| kShort3_GrSLType, |
| kShort4_GrSLType, |
| kUShort_GrSLType, |
| kUShort2_GrSLType, |
| kUShort3_GrSLType, |
| kUShort4_GrSLType, |
| kFloat_GrSLType, |
| kFloat2_GrSLType, |
| kFloat3_GrSLType, |
| kFloat4_GrSLType, |
| kFloat2x2_GrSLType, |
| kFloat3x3_GrSLType, |
| kFloat4x4_GrSLType, |
| kHalf_GrSLType, |
| kHalf2_GrSLType, |
| kHalf3_GrSLType, |
| kHalf4_GrSLType, |
| kHalf2x2_GrSLType, |
| kHalf3x3_GrSLType, |
| kHalf4x4_GrSLType, |
| kInt_GrSLType, |
| kInt2_GrSLType, |
| kInt3_GrSLType, |
| kInt4_GrSLType, |
| kUint_GrSLType, |
| kUint2_GrSLType, |
| kTexture2DSampler_GrSLType, |
| kTextureExternalSampler_GrSLType, |
| kTexture2DRectSampler_GrSLType, |
| kTexture2D_GrSLType, |
| kSampler_GrSLType, |
| |
| kLast_GrSLType = kSampler_GrSLType |
| }; |
| static const int kGrSLTypeCount = kLast_GrSLType + 1; |
| |
| /** |
| * The type of texture. Backends other than GL currently only use the 2D value but the type must |
| * still be known at the API-neutral layer as it used to determine whether MIP maps, renderability, |
| * and sampling parameters are legal for proxies that will be instantiated with wrapped textures. |
| */ |
| enum class GrTextureType { |
| kNone, |
| k2D, |
| /* Rectangle uses unnormalized texture coordinates. */ |
| kRectangle, |
| kExternal |
| }; |
| |
| enum GrShaderType { |
| kVertex_GrShaderType, |
| kGeometry_GrShaderType, |
| kFragment_GrShaderType, |
| |
| kLastkFragment_GrShaderType = kFragment_GrShaderType |
| }; |
| static const int kGrShaderTypeCount = kLastkFragment_GrShaderType + 1; |
| |
| enum GrShaderFlags { |
| kNone_GrShaderFlags = 0, |
| kVertex_GrShaderFlag = 1, |
| kTessControl_GrShaderFlag = 1 << 2, |
| kTessEvaluation_GrShaderFlag = 1 << 2, |
| kGeometry_GrShaderFlag = 1 << 3, |
| kFragment_GrShaderFlag = 1 << 4 |
| }; |
| GR_MAKE_BITFIELD_OPS(GrShaderFlags) |
| |
| /** Is the shading language type float (including vectors/matrices)? */ |
| static constexpr bool GrSLTypeIsFloatType(GrSLType type) { |
| switch (type) { |
| case kFloat_GrSLType: |
| case kFloat2_GrSLType: |
| case kFloat3_GrSLType: |
| case kFloat4_GrSLType: |
| case kFloat2x2_GrSLType: |
| case kFloat3x3_GrSLType: |
| case kFloat4x4_GrSLType: |
| case kHalf_GrSLType: |
| case kHalf2_GrSLType: |
| case kHalf3_GrSLType: |
| case kHalf4_GrSLType: |
| case kHalf2x2_GrSLType: |
| case kHalf3x3_GrSLType: |
| case kHalf4x4_GrSLType: |
| return true; |
| |
| case kVoid_GrSLType: |
| case kTexture2DSampler_GrSLType: |
| case kTextureExternalSampler_GrSLType: |
| case kTexture2DRectSampler_GrSLType: |
| case kBool_GrSLType: |
| case kByte_GrSLType: |
| case kByte2_GrSLType: |
| case kByte3_GrSLType: |
| case kByte4_GrSLType: |
| case kUByte_GrSLType: |
| case kUByte2_GrSLType: |
| case kUByte3_GrSLType: |
| case kUByte4_GrSLType: |
| case kShort_GrSLType: |
| case kShort2_GrSLType: |
| case kShort3_GrSLType: |
| case kShort4_GrSLType: |
| case kUShort_GrSLType: |
| case kUShort2_GrSLType: |
| case kUShort3_GrSLType: |
| case kUShort4_GrSLType: |
| case kInt_GrSLType: |
| case kInt2_GrSLType: |
| case kInt3_GrSLType: |
| case kInt4_GrSLType: |
| case kUint_GrSLType: |
| case kUint2_GrSLType: |
| case kTexture2D_GrSLType: |
| case kSampler_GrSLType: |
| return false; |
| } |
| SkUNREACHABLE; |
| } |
| |
| /** If the type represents a single value or vector return the vector length, else -1. */ |
| static constexpr int GrSLTypeVecLength(GrSLType type) { |
| switch (type) { |
| case kFloat_GrSLType: |
| case kHalf_GrSLType: |
| case kBool_GrSLType: |
| case kByte_GrSLType: |
| case kUByte_GrSLType: |
| case kShort_GrSLType: |
| case kUShort_GrSLType: |
| case kInt_GrSLType: |
| case kUint_GrSLType: |
| return 1; |
| |
| case kFloat2_GrSLType: |
| case kHalf2_GrSLType: |
| case kByte2_GrSLType: |
| case kUByte2_GrSLType: |
| case kShort2_GrSLType: |
| case kUShort2_GrSLType: |
| case kInt2_GrSLType: |
| case kUint2_GrSLType: |
| return 2; |
| |
| case kFloat3_GrSLType: |
| case kHalf3_GrSLType: |
| case kByte3_GrSLType: |
| case kUByte3_GrSLType: |
| case kShort3_GrSLType: |
| case kUShort3_GrSLType: |
| case kInt3_GrSLType: |
| return 3; |
| |
| case kFloat4_GrSLType: |
| case kHalf4_GrSLType: |
| case kByte4_GrSLType: |
| case kUByte4_GrSLType: |
| case kShort4_GrSLType: |
| case kUShort4_GrSLType: |
| case kInt4_GrSLType: |
| return 4; |
| |
| case kFloat2x2_GrSLType: |
| case kFloat3x3_GrSLType: |
| case kFloat4x4_GrSLType: |
| case kHalf2x2_GrSLType: |
| case kHalf3x3_GrSLType: |
| case kHalf4x4_GrSLType: |
| case kVoid_GrSLType: |
| case kTexture2DSampler_GrSLType: |
| case kTextureExternalSampler_GrSLType: |
| case kTexture2DRectSampler_GrSLType: |
| case kTexture2D_GrSLType: |
| case kSampler_GrSLType: |
| return -1; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static inline GrSLType GrSLCombinedSamplerTypeForTextureType(GrTextureType type) { |
| switch (type) { |
| case GrTextureType::k2D: |
| return kTexture2DSampler_GrSLType; |
| case GrTextureType::kRectangle: |
| return kTexture2DRectSampler_GrSLType; |
| case GrTextureType::kExternal: |
| return kTextureExternalSampler_GrSLType; |
| default: |
| SK_ABORT("Unexpected texture type"); |
| } |
| } |
| |
| /** Rectangle and external textures only support the clamp wrap mode and do not support |
| * MIP maps. |
| */ |
| static inline bool GrTextureTypeHasRestrictedSampling(GrTextureType type) { |
| switch (type) { |
| case GrTextureType::k2D: |
| return false; |
| case GrTextureType::kRectangle: |
| return true; |
| case GrTextureType::kExternal: |
| return true; |
| default: |
| SK_ABORT("Unexpected texture type"); |
| } |
| } |
| |
| static constexpr bool GrSLTypeIsCombinedSamplerType(GrSLType type) { |
| switch (type) { |
| case kTexture2DSampler_GrSLType: |
| case kTextureExternalSampler_GrSLType: |
| case kTexture2DRectSampler_GrSLType: |
| return true; |
| |
| case kVoid_GrSLType: |
| case kFloat_GrSLType: |
| case kFloat2_GrSLType: |
| case kFloat3_GrSLType: |
| case kFloat4_GrSLType: |
| case kFloat2x2_GrSLType: |
| case kFloat3x3_GrSLType: |
| case kFloat4x4_GrSLType: |
| case kHalf_GrSLType: |
| case kHalf2_GrSLType: |
| case kHalf3_GrSLType: |
| case kHalf4_GrSLType: |
| case kHalf2x2_GrSLType: |
| case kHalf3x3_GrSLType: |
| case kHalf4x4_GrSLType: |
| case kInt_GrSLType: |
| case kInt2_GrSLType: |
| case kInt3_GrSLType: |
| case kInt4_GrSLType: |
| case kUint_GrSLType: |
| case kUint2_GrSLType: |
| case kBool_GrSLType: |
| case kByte_GrSLType: |
| case kByte2_GrSLType: |
| case kByte3_GrSLType: |
| case kByte4_GrSLType: |
| case kUByte_GrSLType: |
| case kUByte2_GrSLType: |
| case kUByte3_GrSLType: |
| case kUByte4_GrSLType: |
| case kShort_GrSLType: |
| case kShort2_GrSLType: |
| case kShort3_GrSLType: |
| case kShort4_GrSLType: |
| case kUShort_GrSLType: |
| case kUShort2_GrSLType: |
| case kUShort3_GrSLType: |
| case kUShort4_GrSLType: |
| case kTexture2D_GrSLType: |
| case kSampler_GrSLType: |
| return false; |
| } |
| SkUNREACHABLE; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Types used to describe format of vertices in arrays. |
| */ |
| enum GrVertexAttribType { |
| kFloat_GrVertexAttribType = 0, |
| kFloat2_GrVertexAttribType, |
| kFloat3_GrVertexAttribType, |
| kFloat4_GrVertexAttribType, |
| kHalf_GrVertexAttribType, |
| kHalf2_GrVertexAttribType, |
| kHalf3_GrVertexAttribType, |
| kHalf4_GrVertexAttribType, |
| |
| kInt2_GrVertexAttribType, // vector of 2 32-bit ints |
| kInt3_GrVertexAttribType, // vector of 3 32-bit ints |
| kInt4_GrVertexAttribType, // vector of 4 32-bit ints |
| |
| |
| kByte_GrVertexAttribType, // signed byte |
| kByte2_GrVertexAttribType, // vector of 2 8-bit signed bytes |
| kByte3_GrVertexAttribType, // vector of 3 8-bit signed bytes |
| kByte4_GrVertexAttribType, // vector of 4 8-bit signed bytes |
| kUByte_GrVertexAttribType, // unsigned byte |
| kUByte2_GrVertexAttribType, // vector of 2 8-bit unsigned bytes |
| kUByte3_GrVertexAttribType, // vector of 3 8-bit unsigned bytes |
| kUByte4_GrVertexAttribType, // vector of 4 8-bit unsigned bytes |
| |
| kUByte_norm_GrVertexAttribType, // unsigned byte, e.g. coverage, 0 -> 0.0f, 255 -> 1.0f. |
| kUByte4_norm_GrVertexAttribType, // vector of 4 unsigned bytes, e.g. colors, 0 -> 0.0f, |
| // 255 -> 1.0f. |
| |
| kShort2_GrVertexAttribType, // vector of 2 16-bit shorts. |
| kShort4_GrVertexAttribType, // vector of 4 16-bit shorts. |
| |
| kUShort2_GrVertexAttribType, // vector of 2 unsigned shorts. 0 -> 0, 65535 -> 65535. |
| kUShort2_norm_GrVertexAttribType, // vector of 2 unsigned shorts. 0 -> 0.0f, 65535 -> 1.0f. |
| |
| kInt_GrVertexAttribType, |
| kUint_GrVertexAttribType, |
| |
| kUShort_norm_GrVertexAttribType, |
| |
| kUShort4_norm_GrVertexAttribType, // vector of 4 unsigned shorts. 0 -> 0.0f, 65535 -> 1.0f. |
| |
| kLast_GrVertexAttribType = kUShort4_norm_GrVertexAttribType |
| }; |
| static const int kGrVertexAttribTypeCount = kLast_GrVertexAttribType + 1; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static const int kGrClipEdgeTypeCnt = (int) GrClipEdgeType::kLast + 1; |
| |
| static constexpr bool GrProcessorEdgeTypeIsFill(const GrClipEdgeType edgeType) { |
| return (GrClipEdgeType::kFillAA == edgeType || GrClipEdgeType::kFillBW == edgeType); |
| } |
| |
| static constexpr bool GrProcessorEdgeTypeIsInverseFill(const GrClipEdgeType edgeType) { |
| return (GrClipEdgeType::kInverseFillAA == edgeType || |
| GrClipEdgeType::kInverseFillBW == edgeType); |
| } |
| |
| static constexpr bool GrProcessorEdgeTypeIsAA(const GrClipEdgeType edgeType) { |
| return (GrClipEdgeType::kFillBW != edgeType && |
| GrClipEdgeType::kInverseFillBW != edgeType); |
| } |
| |
| static inline GrClipEdgeType GrInvertProcessorEdgeType(const GrClipEdgeType edgeType) { |
| switch (edgeType) { |
| case GrClipEdgeType::kFillBW: |
| return GrClipEdgeType::kInverseFillBW; |
| case GrClipEdgeType::kFillAA: |
| return GrClipEdgeType::kInverseFillAA; |
| case GrClipEdgeType::kInverseFillBW: |
| return GrClipEdgeType::kFillBW; |
| case GrClipEdgeType::kInverseFillAA: |
| return GrClipEdgeType::kFillAA; |
| case GrClipEdgeType::kHairlineAA: |
| SK_ABORT("Hairline fill isn't invertible."); |
| } |
| return GrClipEdgeType::kFillAA; // suppress warning. |
| } |
| |
| /** |
| * Indicates the type of pending IO operations that can be recorded for gpu resources. |
| */ |
| enum GrIOType { |
| kRead_GrIOType, |
| kWrite_GrIOType, |
| kRW_GrIOType |
| }; |
| |
| /** |
| * Indicates the type of data that a GPU buffer will be used for. |
| */ |
| enum class GrGpuBufferType { |
| kVertex, |
| kIndex, |
| kXferCpuToGpu, |
| kXferGpuToCpu, |
| }; |
| static const int kGrGpuBufferTypeCount = static_cast<int>(GrGpuBufferType::kXferGpuToCpu) + 1; |
| |
| /** |
| * Provides a performance hint regarding the frequency at which a data store will be accessed. |
| */ |
| enum GrAccessPattern { |
| /** Data store will be respecified repeatedly and used many times. */ |
| kDynamic_GrAccessPattern, |
| /** Data store will be specified once and used many times. (Thus disqualified from caching.) */ |
| kStatic_GrAccessPattern, |
| /** Data store will be specified once and used at most a few times. (Also can't be cached.) */ |
| kStream_GrAccessPattern, |
| |
| kLast_GrAccessPattern = kStream_GrAccessPattern |
| }; |
| |
| // Flags shared between the GrSurface & GrSurfaceProxy class hierarchies |
| enum class GrInternalSurfaceFlags { |
| kNone = 0, |
| |
| // Texture-level |
| |
| // Means the pixels in the texture are read-only. Cannot also be a GrRenderTarget[Proxy]. |
| kReadOnly = 1 << 0, |
| |
| // RT-level |
| |
| // This flag is for use with GL only. It tells us that the internal render target wraps FBO 0. |
| kGLRTFBOIDIs0 = 1 << 1, |
| |
| // This means the render target is multisampled, and internally holds a non-msaa texture for |
| // resolving into. The render target resolves itself by blitting into this internal texture. |
| // (asTexture() might or might not return the internal texture, but if it does, we always |
| // resolve the render target before accessing this texture's data.) |
| kRequiresManualMSAAResolve = 1 << 2, |
| }; |
| |
| GR_MAKE_BITFIELD_CLASS_OPS(GrInternalSurfaceFlags) |
| |
| // 'GR_MAKE_BITFIELD_CLASS_OPS' defines the & operator on GrInternalSurfaceFlags to return bool. |
| // We want to find the bitwise & with these masks, so we declare them as ints. |
| constexpr static int kGrInternalTextureFlagsMask = static_cast<int>( |
| GrInternalSurfaceFlags::kReadOnly); |
| |
| constexpr static int kGrInternalRenderTargetFlagsMask = static_cast<int>( |
| GrInternalSurfaceFlags::kGLRTFBOIDIs0 | GrInternalSurfaceFlags::kRequiresManualMSAAResolve); |
| |
| constexpr static int kGrInternalTextureRenderTargetFlagsMask = |
| kGrInternalTextureFlagsMask | kGrInternalRenderTargetFlagsMask; |
| |
| #ifdef SK_DEBUG |
| // Takes a pointer to a GrCaps, and will suppress prints if required |
| #define GrCapsDebugf(caps, ...) if (!(caps)->suppressPrints()) SkDebugf(__VA_ARGS__) |
| #else |
| #define GrCapsDebugf(caps, ...) do {} while (0) |
| #endif |
| |
| /** |
| * Specifies if the holder owns the backend, OpenGL or Vulkan, object. |
| */ |
| enum class GrBackendObjectOwnership : bool { |
| /** Holder does not destroy the backend object. */ |
| kBorrowed = false, |
| /** Holder destroys the backend object. */ |
| kOwned = true |
| }; |
| |
| template <typename T> |
| T* const* unique_ptr_address_as_pointer_address(std::unique_ptr<T> const* up) { |
| static_assert(sizeof(T*) == sizeof(std::unique_ptr<T>), "unique_ptr not expected size."); |
| return reinterpret_cast<T* const*>(up); |
| } |
| |
| /* |
| * Object for CPU-GPU synchronization |
| */ |
| typedef uint64_t GrFence; |
| |
| /** |
| * Used to include or exclude specific GPU path renderers for testing purposes. |
| */ |
| enum class GpuPathRenderers { |
| kNone = 0, // Always use software masks and/or GrDefaultPathRenderer. |
| kDashLine = 1 << 0, |
| kGpuTessellation = 1 << 1, |
| kStencilAndCover = 1 << 2, |
| kCoverageCounting = 1 << 3, |
| kAAHairline = 1 << 4, |
| kAAConvex = 1 << 5, |
| kAALinearizing = 1 << 6, |
| kSmall = 1 << 7, |
| kTessellating = 1 << 8, |
| kDefault = ((1 << 9) - 1) & ~kGpuTessellation // All but kGpuTessellation. |
| }; |
| |
| /** |
| * Used to describe the current state of Mips on a GrTexture |
| */ |
| enum class GrMipMapsStatus { |
| kNotAllocated, // Mips have not been allocated |
| kDirty, // Mips are allocated but the full mip tree does not have valid data |
| kValid, // All levels fully allocated and have valid data in them |
| }; |
| |
| GR_MAKE_BITFIELD_CLASS_OPS(GpuPathRenderers) |
| |
| /** |
| * Returns the data size for the given SkImage::CompressionType |
| */ |
| size_t GrCompressedFormatDataSize(SkImage::CompressionType, SkISize dimensions, |
| GrMipMapped = GrMipMapped::kNo); |
| |
| /** |
| * Like SkColorType this describes a layout of pixel data in CPU memory. It specifies the channels, |
| * their type, and width. This exists so that the GPU backend can have private types that have no |
| * analog in the public facing SkColorType enum and omit types not implemented in the GPU backend. |
| * It does not refer to a texture format and the mapping to texture formats may be many-to-many. |
| * It does not specify the sRGB encoding of the stored values. The components are listed in order of |
| * where they appear in memory. In other words the first component listed is in the low bits and |
| * the last component in the high bits. |
| */ |
| enum class GrColorType { |
| kUnknown, |
| kAlpha_8, |
| kBGR_565, |
| kABGR_4444, // This name differs from SkColorType. kARGB_4444_SkColorType is misnamed. |
| kRGBA_8888, |
| kRGBA_8888_SRGB, |
| kRGB_888x, |
| kRG_88, |
| kBGRA_8888, |
| kRGBA_1010102, |
| kGray_8, |
| kAlpha_F16, |
| kRGBA_F16, |
| kRGBA_F16_Clamped, |
| kRGBA_F32, |
| |
| kAlpha_16, |
| kRG_1616, |
| kRG_F16, |
| kRGBA_16161616, |
| |
| // Unusual types that come up after reading back in cases where we are reassigning the meaning |
| // of a texture format's channels to use for a particular color format but have to read back the |
| // data to a full RGBA quadruple. (e.g. using a R8 texture format as A8 color type but the API |
| // only supports reading to RGBA8.) None of these have SkColorType equivalents. |
| kAlpha_8xxx, |
| kAlpha_F32xxx, |
| kGray_8xxx, |
| |
| // Types used to initialize backend textures. |
| kRGB_888, |
| kR_8, |
| kR_16, |
| kR_F16, |
| kGray_F16, |
| |
| kLast = kGray_F16 |
| }; |
| |
| static const int kGrColorTypeCnt = static_cast<int>(GrColorType::kLast) + 1; |
| |
| static constexpr SkColorType GrColorTypeToSkColorType(GrColorType ct) { |
| switch (ct) { |
| case GrColorType::kUnknown: return kUnknown_SkColorType; |
| case GrColorType::kAlpha_8: return kAlpha_8_SkColorType; |
| case GrColorType::kBGR_565: return kRGB_565_SkColorType; |
| case GrColorType::kABGR_4444: return kARGB_4444_SkColorType; |
| case GrColorType::kRGBA_8888: return kRGBA_8888_SkColorType; |
| // Once we add kRGBA_8888_SRGB_SkColorType we should return that here. |
| case GrColorType::kRGBA_8888_SRGB: return kRGBA_8888_SkColorType; |
| case GrColorType::kRGB_888x: return kRGB_888x_SkColorType; |
| case GrColorType::kRG_88: return kR8G8_unorm_SkColorType; |
| case GrColorType::kBGRA_8888: return kBGRA_8888_SkColorType; |
| case GrColorType::kRGBA_1010102: return kRGBA_1010102_SkColorType; |
| case GrColorType::kGray_8: return kGray_8_SkColorType; |
| case GrColorType::kAlpha_F16: return kA16_float_SkColorType; |
| case GrColorType::kRGBA_F16: return kRGBA_F16_SkColorType; |
| case GrColorType::kRGBA_F16_Clamped: return kRGBA_F16Norm_SkColorType; |
| case GrColorType::kRGBA_F32: return kRGBA_F32_SkColorType; |
| case GrColorType::kAlpha_8xxx: return kUnknown_SkColorType; |
| case GrColorType::kAlpha_F32xxx: return kUnknown_SkColorType; |
| case GrColorType::kGray_8xxx: return kUnknown_SkColorType; |
| case GrColorType::kAlpha_16: return kA16_unorm_SkColorType; |
| case GrColorType::kRG_1616: return kR16G16_unorm_SkColorType; |
| case GrColorType::kRGBA_16161616: return kR16G16B16A16_unorm_SkColorType; |
| case GrColorType::kRG_F16: return kR16G16_float_SkColorType; |
| case GrColorType::kRGB_888: return kUnknown_SkColorType; |
| case GrColorType::kR_8: return kUnknown_SkColorType; |
| case GrColorType::kR_16: return kUnknown_SkColorType; |
| case GrColorType::kR_F16: return kUnknown_SkColorType; |
| case GrColorType::kGray_F16: return kUnknown_SkColorType; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr GrColorType SkColorTypeToGrColorType(SkColorType ct) { |
| switch (ct) { |
| case kUnknown_SkColorType: return GrColorType::kUnknown; |
| case kAlpha_8_SkColorType: return GrColorType::kAlpha_8; |
| case kRGB_565_SkColorType: return GrColorType::kBGR_565; |
| case kARGB_4444_SkColorType: return GrColorType::kABGR_4444; |
| case kRGBA_8888_SkColorType: return GrColorType::kRGBA_8888; |
| case kRGB_888x_SkColorType: return GrColorType::kRGB_888x; |
| case kBGRA_8888_SkColorType: return GrColorType::kBGRA_8888; |
| case kGray_8_SkColorType: return GrColorType::kGray_8; |
| case kRGBA_F16Norm_SkColorType: return GrColorType::kRGBA_F16_Clamped; |
| case kRGBA_F16_SkColorType: return GrColorType::kRGBA_F16; |
| case kRGBA_1010102_SkColorType: return GrColorType::kRGBA_1010102; |
| case kRGB_101010x_SkColorType: return GrColorType::kUnknown; |
| case kRGBA_F32_SkColorType: return GrColorType::kRGBA_F32; |
| case kR8G8_unorm_SkColorType: return GrColorType::kRG_88; |
| case kA16_unorm_SkColorType: return GrColorType::kAlpha_16; |
| case kR16G16_unorm_SkColorType: return GrColorType::kRG_1616; |
| case kA16_float_SkColorType: return GrColorType::kAlpha_F16; |
| case kR16G16_float_SkColorType: return GrColorType::kRG_F16; |
| case kR16G16B16A16_unorm_SkColorType: return GrColorType::kRGBA_16161616; |
| } |
| SkUNREACHABLE; |
| } |
| |
| // This is a temporary means of mapping an SkColorType and format to a |
| // GrColorType::kRGBA_8888_SRGB. Once we have an SRGB SkColorType this can go away. |
| GrColorType SkColorTypeAndFormatToGrColorType(const GrCaps* caps, |
| SkColorType skCT, |
| const GrBackendFormat& format); |
| |
| static constexpr uint32_t GrColorTypeComponentFlags(GrColorType ct) { |
| switch (ct) { |
| case GrColorType::kUnknown: return 0; |
| case GrColorType::kAlpha_8: return kAlpha_SkColorTypeComponentFlag; |
| case GrColorType::kBGR_565: return kRGB_SkColorTypeComponentFlags; |
| case GrColorType::kABGR_4444: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRGBA_8888: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRGBA_8888_SRGB: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRGB_888x: return kRGB_SkColorTypeComponentFlags; |
| case GrColorType::kRG_88: return kRed_SkColorTypeComponentFlag | |
| kGreen_SkColorTypeComponentFlag; |
| case GrColorType::kBGRA_8888: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRGBA_1010102: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kGray_8: return kGray_SkColorTypeComponentFlag; |
| case GrColorType::kAlpha_F16: return kAlpha_SkColorTypeComponentFlag; |
| case GrColorType::kRGBA_F16: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRGBA_F16_Clamped: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRGBA_F32: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kAlpha_8xxx: return kAlpha_SkColorTypeComponentFlag; |
| case GrColorType::kAlpha_F32xxx: return kAlpha_SkColorTypeComponentFlag; |
| case GrColorType::kGray_8xxx: return kGray_SkColorTypeComponentFlag; |
| case GrColorType::kAlpha_16: return kAlpha_SkColorTypeComponentFlag; |
| case GrColorType::kRG_1616: return kRed_SkColorTypeComponentFlag | |
| kGreen_SkColorTypeComponentFlag; |
| case GrColorType::kRGBA_16161616: return kRGBA_SkColorTypeComponentFlags; |
| case GrColorType::kRG_F16: return kRed_SkColorTypeComponentFlag | |
| kGreen_SkColorTypeComponentFlag; |
| case GrColorType::kRGB_888: return kRGB_SkColorTypeComponentFlags; |
| case GrColorType::kR_8: return kRed_SkColorTypeComponentFlag; |
| case GrColorType::kR_16: return kRed_SkColorTypeComponentFlag; |
| case GrColorType::kR_F16: return kRed_SkColorTypeComponentFlag; |
| case GrColorType::kGray_F16: return kGray_SkColorTypeComponentFlag; |
| } |
| SkUNREACHABLE; |
| } |
| |
| /** |
| * Describes the encoding of channel data in a GrColorType. |
| */ |
| enum class GrColorTypeEncoding { |
| kUnorm, |
| kSRGBUnorm, |
| // kSnorm, |
| kFloat, |
| // kSint |
| // kUint |
| }; |
| |
| /** |
| * Describes a GrColorType by how many bits are used for each color component and how they are |
| * encoded. Currently all the non-zero channels share a single GrColorTypeEncoding. This could be |
| * expanded to store separate encodings and to indicate which bits belong to which components. |
| */ |
| struct GrColorTypeDesc { |
| public: |
| static constexpr GrColorTypeDesc MakeRGBA(int rgba, GrColorTypeEncoding e) { |
| return {rgba, rgba, rgba, rgba, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeRGBA(int rgb, int a, GrColorTypeEncoding e) { |
| return {rgb, rgb, rgb, a, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeRGB(int rgb, GrColorTypeEncoding e) { |
| return {rgb, rgb, rgb, 0, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeRGB(int r, int g, int b, GrColorTypeEncoding e) { |
| return {r, g, b, 0, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeAlpha(int a, GrColorTypeEncoding e) { |
| return {0, 0, 0, a, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeR(int r, GrColorTypeEncoding e) { |
| return {r, 0, 0, 0, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeRG(int rg, GrColorTypeEncoding e) { |
| return {rg, rg, 0, 0, 0, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeGray(int grayBits, GrColorTypeEncoding e) { |
| return {0, 0, 0, 0, grayBits, e}; |
| } |
| |
| static constexpr GrColorTypeDesc MakeInvalid() { return {}; } |
| |
| constexpr int r() const { return fRBits; } |
| constexpr int g() const { return fGBits; } |
| constexpr int b() const { return fBBits; } |
| constexpr int a() const { return fABits; } |
| constexpr int operator[](int c) const { |
| switch (c) { |
| case 0: return this->r(); |
| case 1: return this->g(); |
| case 2: return this->b(); |
| case 3: return this->a(); |
| } |
| SkUNREACHABLE; |
| } |
| |
| constexpr int gray() const { return fGrayBits; } |
| |
| constexpr GrColorTypeEncoding encoding() const { return fEncoding; } |
| |
| private: |
| int fRBits = 0; |
| int fGBits = 0; |
| int fBBits = 0; |
| int fABits = 0; |
| int fGrayBits = 0; |
| GrColorTypeEncoding fEncoding = GrColorTypeEncoding::kUnorm; |
| |
| constexpr GrColorTypeDesc() = default; |
| |
| constexpr GrColorTypeDesc(int r, int g, int b, int a, int gray, GrColorTypeEncoding encoding) |
| : fRBits(r), fGBits(g), fBBits(b), fABits(a), fGrayBits(gray), fEncoding(encoding) { |
| SkASSERT(r >= 0 && g >= 0 && b >= 0 && a >= 0 && gray >= 0); |
| SkASSERT(!gray || (!r && !g && !b)); |
| SkASSERT(r || g || b || a || gray); |
| } |
| }; |
| |
| static constexpr GrColorTypeDesc GrGetColorTypeDesc(GrColorType ct) { |
| switch (ct) { |
| case GrColorType::kUnknown: |
| return GrColorTypeDesc::MakeInvalid(); |
| case GrColorType::kAlpha_8: |
| return GrColorTypeDesc::MakeAlpha(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kBGR_565: |
| return GrColorTypeDesc::MakeRGB(5, 6, 5, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kABGR_4444: |
| return GrColorTypeDesc::MakeRGBA(4, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRGBA_8888: |
| return GrColorTypeDesc::MakeRGBA(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRGBA_8888_SRGB: |
| return GrColorTypeDesc::MakeRGBA(8, GrColorTypeEncoding::kSRGBUnorm); |
| case GrColorType::kRGB_888x: |
| return GrColorTypeDesc::MakeRGB(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRG_88: |
| return GrColorTypeDesc::MakeRG(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kBGRA_8888: |
| return GrColorTypeDesc::MakeRGBA(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRGBA_1010102: |
| return GrColorTypeDesc::MakeRGBA(10, 2, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kGray_8: |
| return GrColorTypeDesc::MakeGray(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kAlpha_F16: |
| return GrColorTypeDesc::MakeAlpha(16, GrColorTypeEncoding::kFloat); |
| case GrColorType::kRGBA_F16: |
| return GrColorTypeDesc::MakeRGBA(16, GrColorTypeEncoding::kFloat); |
| case GrColorType::kRGBA_F16_Clamped: |
| return GrColorTypeDesc::MakeRGBA(16, GrColorTypeEncoding::kFloat); |
| case GrColorType::kRGBA_F32: |
| return GrColorTypeDesc::MakeRGBA(32, GrColorTypeEncoding::kFloat); |
| case GrColorType::kAlpha_8xxx: |
| return GrColorTypeDesc::MakeAlpha(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kAlpha_F32xxx: |
| return GrColorTypeDesc::MakeAlpha(32, GrColorTypeEncoding::kFloat); |
| case GrColorType::kGray_8xxx: |
| return GrColorTypeDesc::MakeGray(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kAlpha_16: |
| return GrColorTypeDesc::MakeAlpha(16, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRG_1616: |
| return GrColorTypeDesc::MakeRG(16, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRGBA_16161616: |
| return GrColorTypeDesc::MakeRGBA(16, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kRG_F16: |
| return GrColorTypeDesc::MakeRG(16, GrColorTypeEncoding::kFloat); |
| case GrColorType::kRGB_888: |
| return GrColorTypeDesc::MakeRGB(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kR_8: |
| return GrColorTypeDesc::MakeR(8, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kR_16: |
| return GrColorTypeDesc::MakeR(16, GrColorTypeEncoding::kUnorm); |
| case GrColorType::kR_F16: |
| return GrColorTypeDesc::MakeR(16, GrColorTypeEncoding::kFloat); |
| case GrColorType::kGray_F16: |
| return GrColorTypeDesc::MakeGray(16, GrColorTypeEncoding::kFloat); |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr GrClampType GrColorTypeClampType(GrColorType colorType) { |
| if (GrGetColorTypeDesc(colorType).encoding() == GrColorTypeEncoding::kUnorm || |
| GrGetColorTypeDesc(colorType).encoding() == GrColorTypeEncoding::kSRGBUnorm) { |
| return GrClampType::kAuto; |
| } |
| return GrColorType::kRGBA_F16_Clamped == colorType ? GrClampType::kManual : GrClampType::kNone; |
| } |
| |
| // Consider a color type "wider" than n if it has more than n bits for any its representable |
| // channels. |
| static constexpr bool GrColorTypeIsWiderThan(GrColorType colorType, int n) { |
| SkASSERT(n > 0); |
| auto desc = GrGetColorTypeDesc(colorType); |
| return (desc.r() && desc.r() > n )|| |
| (desc.g() && desc.g() > n) || |
| (desc.b() && desc.b() > n) || |
| (desc.a() && desc.a() > n) || |
| (desc.gray() && desc.gray() > n); |
| } |
| |
| static constexpr bool GrColorTypeIsAlphaOnly(GrColorType ct) { |
| return kAlpha_SkColorTypeComponentFlag == GrColorTypeComponentFlags(ct); |
| } |
| |
| static constexpr bool GrColorTypeHasAlpha(GrColorType ct) { |
| return kAlpha_SkColorTypeComponentFlag & GrColorTypeComponentFlags(ct); |
| } |
| |
| static constexpr size_t GrColorTypeBytesPerPixel(GrColorType ct) { |
| switch (ct) { |
| case GrColorType::kUnknown: return 0; |
| case GrColorType::kAlpha_8: return 1; |
| case GrColorType::kBGR_565: return 2; |
| case GrColorType::kABGR_4444: return 2; |
| case GrColorType::kRGBA_8888: return 4; |
| case GrColorType::kRGBA_8888_SRGB: return 4; |
| case GrColorType::kRGB_888x: return 4; |
| case GrColorType::kRG_88: return 2; |
| case GrColorType::kBGRA_8888: return 4; |
| case GrColorType::kRGBA_1010102: return 4; |
| case GrColorType::kGray_8: return 1; |
| case GrColorType::kAlpha_F16: return 2; |
| case GrColorType::kRGBA_F16: return 8; |
| case GrColorType::kRGBA_F16_Clamped: return 8; |
| case GrColorType::kRGBA_F32: return 16; |
| case GrColorType::kAlpha_8xxx: return 4; |
| case GrColorType::kAlpha_F32xxx: return 16; |
| case GrColorType::kGray_8xxx: return 4; |
| case GrColorType::kAlpha_16: return 2; |
| case GrColorType::kRG_1616: return 4; |
| case GrColorType::kRGBA_16161616: return 8; |
| case GrColorType::kRG_F16: return 4; |
| case GrColorType::kRGB_888: return 3; |
| case GrColorType::kR_8: return 1; |
| case GrColorType::kR_16: return 2; |
| case GrColorType::kR_F16: return 2; |
| case GrColorType::kGray_F16: return 2; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr GrColorType GrPixelConfigToColorType(GrPixelConfig config) { |
| switch (config) { |
| case kUnknown_GrPixelConfig: |
| return GrColorType::kUnknown; |
| case kAlpha_8_GrPixelConfig: |
| return GrColorType::kAlpha_8; |
| case kGray_8_GrPixelConfig: |
| return GrColorType::kGray_8; |
| case kRGB_565_GrPixelConfig: |
| return GrColorType::kBGR_565; |
| case kRGBA_4444_GrPixelConfig: |
| return GrColorType::kABGR_4444; |
| case kRGBA_8888_GrPixelConfig: |
| return GrColorType::kRGBA_8888; |
| case kRGB_888_GrPixelConfig: |
| return GrColorType::kRGB_888x; |
| case kRGB_888X_GrPixelConfig: |
| return GrColorType::kRGB_888x; |
| case kRG_88_GrPixelConfig: |
| return GrColorType::kRG_88; |
| case kBGRA_8888_GrPixelConfig: |
| return GrColorType::kBGRA_8888; |
| case kSRGBA_8888_GrPixelConfig: |
| return GrColorType::kRGBA_8888_SRGB; |
| case kRGBA_1010102_GrPixelConfig: |
| return GrColorType::kRGBA_1010102; |
| case kAlpha_half_GrPixelConfig: |
| return GrColorType::kAlpha_F16; |
| case kRGBA_half_GrPixelConfig: |
| return GrColorType::kRGBA_F16; |
| case kRGBA_half_Clamped_GrPixelConfig: |
| return GrColorType::kRGBA_F16_Clamped; |
| case kRGB_ETC1_GrPixelConfig: |
| case kRGB_BC1_GrPixelConfig: |
| // We may need a roughly equivalent color type for a compressed texture. This should be |
| // the logical format for decompressing the data into. |
| return GrColorType::kRGB_888x; |
| case kAlpha_8_as_Alpha_GrPixelConfig: |
| return GrColorType::kAlpha_8; |
| case kAlpha_8_as_Red_GrPixelConfig: |
| return GrColorType::kAlpha_8; |
| case kAlpha_half_as_Lum_GrPixelConfig: // fall through |
| case kAlpha_half_as_Red_GrPixelConfig: |
| return GrColorType::kAlpha_F16; |
| case kGray_8_as_Lum_GrPixelConfig: |
| return GrColorType::kGray_8; |
| case kGray_8_as_Red_GrPixelConfig: |
| return GrColorType::kGray_8; |
| case kAlpha_16_GrPixelConfig: |
| return GrColorType::kAlpha_16; |
| case kRG_1616_GrPixelConfig: |
| return GrColorType::kRG_1616; |
| case kRGBA_16161616_GrPixelConfig: |
| return GrColorType::kRGBA_16161616; |
| case kRG_half_GrPixelConfig: |
| return GrColorType::kRG_F16; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr GrPixelConfig GrColorTypeToPixelConfig(GrColorType colorType) { |
| switch (colorType) { |
| case GrColorType::kUnknown: return kUnknown_GrPixelConfig; |
| case GrColorType::kAlpha_8: return kAlpha_8_GrPixelConfig; |
| case GrColorType::kGray_8: return kGray_8_GrPixelConfig; |
| case GrColorType::kBGR_565: return kRGB_565_GrPixelConfig; |
| case GrColorType::kABGR_4444: return kRGBA_4444_GrPixelConfig; |
| case GrColorType::kRGBA_8888: return kRGBA_8888_GrPixelConfig; |
| case GrColorType::kRGBA_8888_SRGB: return kSRGBA_8888_GrPixelConfig; |
| case GrColorType::kRGB_888x: return kRGB_888_GrPixelConfig; |
| case GrColorType::kRG_88: return kRG_88_GrPixelConfig; |
| case GrColorType::kBGRA_8888: return kBGRA_8888_GrPixelConfig; |
| case GrColorType::kRGBA_1010102: return kRGBA_1010102_GrPixelConfig; |
| case GrColorType::kRGBA_F32: return kUnknown_GrPixelConfig; |
| case GrColorType::kAlpha_F16: return kAlpha_half_GrPixelConfig; |
| case GrColorType::kRGBA_F16: return kRGBA_half_GrPixelConfig; |
| case GrColorType::kRGBA_F16_Clamped: return kRGBA_half_Clamped_GrPixelConfig; |
| case GrColorType::kAlpha_8xxx: return kUnknown_GrPixelConfig; |
| case GrColorType::kAlpha_F32xxx: return kUnknown_GrPixelConfig; |
| case GrColorType::kGray_8xxx: return kUnknown_GrPixelConfig; |
| case GrColorType::kAlpha_16: return kAlpha_16_GrPixelConfig; |
| case GrColorType::kRG_1616: return kRG_1616_GrPixelConfig; |
| case GrColorType::kRGBA_16161616: return kRGBA_16161616_GrPixelConfig; |
| case GrColorType::kRG_F16: return kRG_half_GrPixelConfig; |
| case GrColorType::kRGB_888: return kUnknown_GrPixelConfig; |
| case GrColorType::kR_8: return kUnknown_GrPixelConfig; |
| case GrColorType::kR_16: return kUnknown_GrPixelConfig; |
| case GrColorType::kR_F16: return kUnknown_GrPixelConfig; |
| case GrColorType::kGray_F16: return kUnknown_GrPixelConfig; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr GrPixelConfig GrCompressionTypeToPixelConfig(SkImage::CompressionType compression) { |
| switch (compression) { |
| case SkImage::CompressionType::kNone: return kUnknown_GrPixelConfig; |
| case SkImage::CompressionType::kETC1: return kRGB_ETC1_GrPixelConfig; |
| case SkImage::CompressionType::kBC1_RGB8_UNORM: return kRGB_BC1_GrPixelConfig; |
| } |
| |
| SkUNREACHABLE; |
| } |
| |
| /** |
| * Ref-counted object that calls a callback from its destructor. |
| */ |
| class GrRefCntedCallback : public SkRefCnt { |
| public: |
| using Context = void*; |
| using Callback = void (*)(Context); |
| |
| GrRefCntedCallback(Callback proc, Context ctx) : fReleaseProc(proc), fReleaseCtx(ctx) { |
| SkASSERT(proc); |
| } |
| ~GrRefCntedCallback() override { fReleaseProc ? fReleaseProc(fReleaseCtx) : void(); } |
| |
| Context context() const { return fReleaseCtx; } |
| |
| private: |
| Callback fReleaseProc; |
| Context fReleaseCtx; |
| }; |
| |
| #if GR_TEST_UTILS || defined(SK_ENABLE_DUMP_GPU) |
| static constexpr const char* GrBackendApiToStr(GrBackendApi api) { |
| switch (api) { |
| case GrBackendApi::kMetal: return "Metal"; |
| case GrBackendApi::kDawn: return "Dawn"; |
| case GrBackendApi::kOpenGL: return "OpenGL"; |
| case GrBackendApi::kVulkan: return "Vulkan"; |
| case GrBackendApi::kMock: return "Mock"; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr const char* GrColorTypeToStr(GrColorType ct) { |
| switch (ct) { |
| case GrColorType::kUnknown: return "kUnknown"; |
| case GrColorType::kAlpha_8: return "kAlpha_8"; |
| case GrColorType::kBGR_565: return "kRGB_565"; |
| case GrColorType::kABGR_4444: return "kABGR_4444"; |
| case GrColorType::kRGBA_8888: return "kRGBA_8888"; |
| case GrColorType::kRGBA_8888_SRGB: return "kRGBA_8888_SRGB"; |
| case GrColorType::kRGB_888x: return "kRGB_888x"; |
| case GrColorType::kRG_88: return "kRG_88"; |
| case GrColorType::kBGRA_8888: return "kBGRA_8888"; |
| case GrColorType::kRGBA_1010102: return "kRGBA_1010102"; |
| case GrColorType::kGray_8: return "kGray_8"; |
| case GrColorType::kAlpha_F16: return "kAlpha_F16"; |
| case GrColorType::kRGBA_F16: return "kRGBA_F16"; |
| case GrColorType::kRGBA_F16_Clamped: return "kRGBA_F16_Clamped"; |
| case GrColorType::kRGBA_F32: return "kRGBA_F32"; |
| case GrColorType::kAlpha_8xxx: return "kAlpha_8xxx"; |
| case GrColorType::kAlpha_F32xxx: return "kAlpha_F32xxx"; |
| case GrColorType::kGray_8xxx: return "kGray_8xxx"; |
| case GrColorType::kAlpha_16: return "kAlpha_16"; |
| case GrColorType::kRG_1616: return "kRG_1616"; |
| case GrColorType::kRGBA_16161616: return "kRGBA_16161616"; |
| case GrColorType::kRG_F16: return "kRG_F16"; |
| case GrColorType::kRGB_888: return "kRGB_888"; |
| case GrColorType::kR_8: return "kR_8"; |
| case GrColorType::kR_16: return "kR_16"; |
| case GrColorType::kR_F16: return "kR_F16"; |
| case GrColorType::kGray_F16: return "kGray_F16"; |
| } |
| SkUNREACHABLE; |
| } |
| |
| static constexpr const char* GrCompressionTypeToStr(SkImage::CompressionType compression) { |
| switch (compression) { |
| case SkImage::CompressionType::kNone: return "kNone"; |
| case SkImage::CompressionType::kETC1: return "kETC1"; |
| case SkImage::CompressionType::kBC1_RGB8_UNORM: return "kBC1_RGB8_UNORM"; |
| } |
| SkUNREACHABLE; |
| } |
| #endif |
| |
| #endif |
