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-rw-r--r--include/core/SkCanvas.h8
-rw-r--r--include/core/SkColorPriv.h140
-rw-r--r--include/core/SkDevice.h2
-rw-r--r--src/core/SkBitmapDevice.cpp48
-rw-r--r--src/core/SkConfig8888.cpp333
-rw-r--r--src/core/SkConfig8888.h82
-rw-r--r--src/core/SkDevice.cpp10
-rw-r--r--src/gpu/GrContext.cpp111
-rw-r--r--src/gpu/SkGr.cpp21
-rw-r--r--tests/DeferredCanvasTest.cpp27
-rw-r--r--tests/WritePixelsTest.cpp213
-rw-r--r--tools/sk_tool_utils.cpp31
-rw-r--r--tools/sk_tool_utils.h5
13 files changed, 421 insertions, 610 deletions
diff --git a/include/core/SkCanvas.h b/include/core/SkCanvas.h
index f5d4fe63cf..0d8fd463fe 100644
--- a/include/core/SkCanvas.h
+++ b/include/core/SkCanvas.h
@@ -20,6 +20,12 @@
//#define SK_SUPPORT_LEGACY_READPIXELSCONFIG
+#ifdef SK_SUPPORT_LEGACY_READPIXELSCONFIG
+ #ifndef SK_SUPPORT_LEGACY_CONFIG8888
+ #define SK_SUPPORT_LEGACY_CONFIG8888
+ #endif
+#endif
+
// if not defined, we always assume ClipToLayer for saveLayer()
//#define SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG
@@ -231,6 +237,7 @@ public:
*/
const void* peekPixels(SkImageInfo* info, size_t* rowBytes);
+#ifdef SK_SUPPORT_LEGACY_CONFIG8888
/**
* This enum can be used with read/writePixels to perform a pixel ops to or
* from an 8888 config other than Skia's native config (SkPMColor). There
@@ -265,6 +272,7 @@ public:
kRGBA_Premul_Config8888,
kRGBA_Unpremul_Config8888
};
+#endif
#ifdef SK_SUPPORT_LEGACY_READPIXELSCONFIG
/**
diff --git a/include/core/SkColorPriv.h b/include/core/SkColorPriv.h
index 7a74c4a034..9591f22725 100644
--- a/include/core/SkColorPriv.h
+++ b/include/core/SkColorPriv.h
@@ -1,4 +1,3 @@
-
/*
* Copyright 2006 The Android Open Source Project
*
@@ -6,7 +5,6 @@
* found in the LICENSE file.
*/
-
#ifndef SkColorPriv_DEFINED
#define SkColorPriv_DEFINED
@@ -18,6 +16,134 @@
#include "SkColor.h"
#include "SkMath.h"
+//////////////////////////////////////////////////////////////////////////////
+
+#define SkASSERT_IS_BYTE(x) SkASSERT(0 == ((x) & ~0xFF))
+
+/*
+ * Skia's 32bit backend only supports 1 sizzle order at a time (compile-time).
+ * This is specified by 4 defines SK_A32_SHIFT, SK_R32_SHIFT, ... for G and B.
+ *
+ * For easier compatibility with Skia's GPU backend, we further restrict these
+ * to either (in memory-byte-order) RGBA or BGRA. Note that this "order" does
+ * not directly correspond to the same shift-order, since we have to take endianess
+ * into account.
+ *
+ * Here we enforce this constraint.
+ */
+
+#ifdef SK_CPU_BENDIAN
+ #define SK_RGBA_R32_SHIFT 24
+ #define SK_RGBA_G32_SHIFT 16
+ #define SK_RGBA_B32_SHIFT 8
+ #define SK_RGBA_A32_SHIFT 0
+
+ #define SK_BGRA_B32_SHIFT 24
+ #define SK_BGRA_G32_SHIFT 16
+ #define SK_BGRA_R32_SHIFT 8
+ #define SK_BGRA_A32_SHIFT 0
+#else
+ #define SK_RGBA_R32_SHIFT 0
+ #define SK_RGBA_G32_SHIFT 8
+ #define SK_RGBA_B32_SHIFT 16
+ #define SK_RGBA_A32_SHIFT 24
+
+ #define SK_BGRA_B32_SHIFT 0
+ #define SK_BGRA_G32_SHIFT 8
+ #define SK_BGRA_R32_SHIFT 16
+ #define SK_BGRA_A32_SHIFT 24
+#endif
+
+#if defined(SK_PMCOLOR_IS_RGBA) && defined(SK_PMCOLOR_IS_BGRA)
+ #error "can't define PMCOLOR to be RGBA and BGRA"
+#endif
+
+#define LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA \
+ (SK_A32_SHIFT == SK_RGBA_A32_SHIFT && \
+ SK_R32_SHIFT == SK_RGBA_R32_SHIFT && \
+ SK_G32_SHIFT == SK_RGBA_G32_SHIFT && \
+ SK_B32_SHIFT == SK_RGBA_B32_SHIFT)
+
+#define LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_BGRA \
+ (SK_A32_SHIFT == SK_BGRA_A32_SHIFT && \
+ SK_R32_SHIFT == SK_BGRA_R32_SHIFT && \
+ SK_G32_SHIFT == SK_BGRA_G32_SHIFT && \
+ SK_B32_SHIFT == SK_BGRA_B32_SHIFT)
+
+
+#if defined(SK_PMCOLOR_IS_RGBA) && !LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA
+ #error "SK_PMCOLOR_IS_RGBA does not match SK_*32_SHIFT values"
+#endif
+
+#if defined(SK_PMCOLOR_IS_BGRA) && !LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_BGRA
+ #error "SK_PMCOLOR_IS_BGRA does not match SK_*32_SHIFT values"
+#endif
+
+#if !defined(SK_PMCOLOR_IS_RGBA) && !defined(SK_PMCOLOR_IS_RGBA)
+ // deduce which to define from the _SHIFT defines
+
+ #if LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA
+ #define SK_PMCOLOR_IS_RGBA
+ #elif LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_BGRA
+ #define SK_PMCOLOR_IS_BGRA
+ #else
+ #error "need 32bit packing to be either RGBA or BGRA"
+ #endif
+#endif
+
+// hide these now that we're done
+#undef LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA
+#undef LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_BGRA
+
+//////////////////////////////////////////////////////////////////////////////
+
+// Reverse the bytes coorsponding to RED and BLUE in a packed pixels. Note the
+// pair of them are in the same 2 slots in both RGBA and BGRA, thus there is
+// no need to pass in the colortype to this function.
+static inline uint32_t SkSwizzle_RB(uint32_t c) {
+ static const uint32_t kRBMask = (0xFF << SK_R32_SHIFT) | (0xFF << SK_B32_SHIFT);
+
+ unsigned c0 = (c >> SK_R32_SHIFT) & 0xFF;
+ unsigned c1 = (c >> SK_B32_SHIFT) & 0xFF;
+ return (c & ~kRBMask) | (c0 << SK_B32_SHIFT) | (c1 << SK_R32_SHIFT);
+}
+
+static inline uint32_t SkPackARGB_as_RGBA(U8CPU a, U8CPU r, U8CPU g, U8CPU b) {
+ SkASSERT_IS_BYTE(a);
+ SkASSERT_IS_BYTE(r);
+ SkASSERT_IS_BYTE(g);
+ SkASSERT_IS_BYTE(b);
+ return (a << SK_RGBA_A32_SHIFT) | (r << SK_RGBA_R32_SHIFT) |
+ (g << SK_RGBA_G32_SHIFT) | (b << SK_RGBA_B32_SHIFT);
+}
+
+static inline uint32_t SkPackARGB_as_BGRA(U8CPU a, U8CPU r, U8CPU g, U8CPU b) {
+ SkASSERT_IS_BYTE(a);
+ SkASSERT_IS_BYTE(r);
+ SkASSERT_IS_BYTE(g);
+ SkASSERT_IS_BYTE(b);
+ return (a << SK_BGRA_A32_SHIFT) | (r << SK_BGRA_R32_SHIFT) |
+ (g << SK_BGRA_G32_SHIFT) | (b << SK_BGRA_B32_SHIFT);
+}
+
+static inline SkPMColor SkSwizzle_RGBA_to_PMColor(uint32_t c) {
+#ifdef SK_PMCOLOR_IS_RGBA
+ return c;
+#else
+ return SkSwizzle_RB(c);
+#endif
+}
+
+static inline SkPMColor SkSwizzle_BGRA_to_PMColor(uint32_t c) {
+#ifdef SK_PMCOLOR_IS_BGRA
+ return c;
+#else
+ return SkSwizzle_RB(c);
+#endif
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
///@{
/** See ITU-R Recommendation BT.709 at http://www.itu.int/rec/R-REC-BT.709/ .*/
#define SK_ITU_BT709_LUM_COEFF_R (0.2126f)
@@ -239,6 +365,16 @@ static inline SkPMColor SkPackARGB32(U8CPU a, U8CPU r, U8CPU g, U8CPU b) {
(g << SK_G32_SHIFT) | (b << SK_B32_SHIFT);
}
+static inline uint32_t SkPackPMColor_as_RGBA(SkPMColor c) {
+ return SkPackARGB_as_RGBA(SkGetPackedA32(c), SkGetPackedR32(c),
+ SkGetPackedG32(c), SkGetPackedB32(c));
+}
+
+static inline uint32_t SkPackPMColor_as_BGRA(SkPMColor c) {
+ return SkPackARGB_as_BGRA(SkGetPackedA32(c), SkGetPackedR32(c),
+ SkGetPackedG32(c), SkGetPackedB32(c));
+}
+
/**
* Abstract 4-byte interpolation, implemented on top of SkPMColor
* utility functions. Third parameter controls blending of the first two:
diff --git a/include/core/SkDevice.h b/include/core/SkDevice.h
index abd0a636ff..6b94dd635c 100644
--- a/include/core/SkDevice.h
+++ b/include/core/SkDevice.h
@@ -363,9 +363,11 @@ protected:
const SkImageFilter::Context& ctx,
SkBitmap* result, SkIPoint* offset) = 0;
+#ifdef SK_SUPPORT_LEGACY_CONFIG8888
// This is equal kBGRA_Premul_Config8888 or kRGBA_Premul_Config8888 if
// either is identical to kNative_Premul_Config8888. Otherwise, -1.
static const SkCanvas::Config8888 kPMColorAlias;
+#endif
protected:
// default impl returns NULL
diff --git a/src/core/SkBitmapDevice.cpp b/src/core/SkBitmapDevice.cpp
index f0f4df41f1..d968cb850b 100644
--- a/src/core/SkBitmapDevice.cpp
+++ b/src/core/SkBitmapDevice.cpp
@@ -221,47 +221,27 @@ static void rect_memcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
}
}
-static bool info2config8888(const SkImageInfo& info, SkCanvas::Config8888* config) {
- bool pre;
- switch (info.alphaType()) {
- case kPremul_SkAlphaType:
- case kOpaque_SkAlphaType:
- pre = true;
- break;
- case kUnpremul_SkAlphaType:
- pre = false;
- break;
- default:
- return false;
- }
- switch (info.colorType()) {
- case kRGBA_8888_SkColorType:
- *config = pre ? SkCanvas::kRGBA_Premul_Config8888 : SkCanvas::kRGBA_Unpremul_Config8888;
- return true;
- case kBGRA_8888_SkColorType:
- *config = pre ? SkCanvas::kBGRA_Premul_Config8888 : SkCanvas::kBGRA_Unpremul_Config8888;
- return true;
- default:
- return false;
- }
-}
-
-// TODO: make this guy real, and not rely on legacy config8888 utility
#include "SkConfig8888.h"
+
static bool copy_pixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes,
const SkImageInfo& srcInfo, const void* srcPixels, size_t srcRowBytes) {
if (srcInfo.dimensions() != dstInfo.dimensions()) {
return false;
}
if (4 == srcInfo.bytesPerPixel() && 4 == dstInfo.bytesPerPixel()) {
- SkCanvas::Config8888 srcConfig, dstConfig;
- if (!info2config8888(srcInfo, &srcConfig) || !info2config8888(dstInfo, &dstConfig)) {
- return false;
- }
- SkConvertConfig8888Pixels((uint32_t*)dstPixels, dstRowBytes, dstConfig,
- (const uint32_t*)srcPixels, srcRowBytes, srcConfig,
- srcInfo.width(), srcInfo.height());
- return true;
+ SkDstPixelInfo dstPI;
+ dstPI.fColorType = dstInfo.colorType();
+ dstPI.fAlphaType = dstInfo.alphaType();
+ dstPI.fPixels = dstPixels;
+ dstPI.fRowBytes = dstRowBytes;
+
+ SkSrcPixelInfo srcPI;
+ srcPI.fColorType = srcInfo.colorType();
+ srcPI.fAlphaType = srcInfo.alphaType();
+ srcPI.fPixels = srcPixels;
+ srcPI.fRowBytes = srcRowBytes;
+
+ return srcPI.convertPixelsTo(&dstPI, srcInfo.width(), srcInfo.height());
}
if (srcInfo.colorType() == dstInfo.colorType()) {
switch (srcInfo.colorType()) {
diff --git a/src/core/SkConfig8888.cpp b/src/core/SkConfig8888.cpp
index dd5cbc4724..189309dae6 100644
--- a/src/core/SkConfig8888.cpp
+++ b/src/core/SkConfig8888.cpp
@@ -1,280 +1,117 @@
#include "SkConfig8888.h"
+#include "SkColorPriv.h"
#include "SkMathPriv.h"
#include "SkUnPreMultiply.h"
-namespace {
+enum AlphaVerb {
+ kNothing_AlphaVerb,
+ kPremul_AlphaVerb,
+ kUnpremul_AlphaVerb,
+};
-template <int A_IDX, int R_IDX, int G_IDX, int B_IDX>
-inline uint32_t pack_config8888(uint32_t a, uint32_t r,
- uint32_t g, uint32_t b) {
-#ifdef SK_CPU_LENDIAN
- return (a << (A_IDX * 8)) | (r << (R_IDX * 8)) |
- (g << (G_IDX * 8)) | (b << (B_IDX * 8));
-#else
- return (a << ((3-A_IDX) * 8)) | (r << ((3-R_IDX) * 8)) |
- (g << ((3-G_IDX) * 8)) | (b << ((3-B_IDX) * 8));
-#endif
-}
-
-template <int A_IDX, int R_IDX, int G_IDX, int B_IDX>
-inline void unpack_config8888(uint32_t color,
- uint32_t* a, uint32_t* r,
- uint32_t* g, uint32_t* b) {
-#ifdef SK_CPU_LENDIAN
- *a = (color >> (A_IDX * 8)) & 0xff;
- *r = (color >> (R_IDX * 8)) & 0xff;
- *g = (color >> (G_IDX * 8)) & 0xff;
- *b = (color >> (B_IDX * 8)) & 0xff;
-#else
- *a = (color >> ((3 - A_IDX) * 8)) & 0xff;
- *r = (color >> ((3 - R_IDX) * 8)) & 0xff;
- *g = (color >> ((3 - G_IDX) * 8)) & 0xff;
- *b = (color >> ((3 - B_IDX) * 8)) & 0xff;
-#endif
-}
-
-#ifdef SK_CPU_LENDIAN
- static const int SK_NATIVE_A_IDX = SK_A32_SHIFT / 8;
- static const int SK_NATIVE_R_IDX = SK_R32_SHIFT / 8;
- static const int SK_NATIVE_G_IDX = SK_G32_SHIFT / 8;
- static const int SK_NATIVE_B_IDX = SK_B32_SHIFT / 8;
-#else
- static const int SK_NATIVE_A_IDX = 3 - (SK_A32_SHIFT / 8);
- static const int SK_NATIVE_R_IDX = 3 - (SK_R32_SHIFT / 8);
- static const int SK_NATIVE_G_IDX = 3 - (SK_G32_SHIFT / 8);
- static const int SK_NATIVE_B_IDX = 3 - (SK_B32_SHIFT / 8);
-#endif
-
-/**
- * convert_pixel<OUT_CFG, IN_CFG converts a pixel value from one Config8888 to
- * another. It is implemented by first expanding OUT_CFG to r, g, b, a indices
- * and an is_premul bool as params to another template function. Then IN_CFG is
- * expanded via another function call.
- */
-
-template <bool OUT_PM, int OUT_A_IDX, int OUT_R_IDX, int OUT_G_IDX, int OUT_B_IDX,
- bool IN_PM, int IN_A_IDX, int IN_R_IDX, int IN_G_IDX, int IN_B_IDX>
-inline uint32_t convert_pixel(uint32_t pixel) {
- uint32_t a, r, g, b;
- unpack_config8888<IN_A_IDX, IN_R_IDX, IN_G_IDX, IN_B_IDX>(pixel, &a, &r, &g, &b);
- if (IN_PM && !OUT_PM) {
- // Using SkUnPreMultiply::ApplyScale is faster than (value * 0xff) / a.
- if (a) {
- SkUnPreMultiply::Scale scale = SkUnPreMultiply::GetScale(a);
- r = SkUnPreMultiply::ApplyScale(scale, r);
- g = SkUnPreMultiply::ApplyScale(scale, g);
- b = SkUnPreMultiply::ApplyScale(scale, b);
- } else {
- return 0;
- }
- } else if (!IN_PM && OUT_PM) {
- // This matches SkUnPreMultiply conversion which we are replacing.
- r = SkMulDiv255Round(r, a);
- g = SkMulDiv255Round(g, a);
- b = SkMulDiv255Round(b, a);
+template <bool doSwapRB, AlphaVerb doAlpha> uint32_t convert32(uint32_t c) {
+ if (doSwapRB) {
+ c = SkSwizzle_RB(c);
}
- return pack_config8888<OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX>(a, r, g, b);
-}
-template <bool OUT_PM, int OUT_A_IDX, int OUT_R_IDX, int OUT_G_IDX, int OUT_B_IDX, SkCanvas::Config8888 IN_CFG>
-inline uint32_t convert_pixel(uint32_t pixel) {
- switch(IN_CFG) {
- case SkCanvas::kNative_Premul_Config8888:
- return convert_pixel<OUT_PM, OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX,
- true, SK_NATIVE_A_IDX, SK_NATIVE_R_IDX, SK_NATIVE_G_IDX, SK_NATIVE_B_IDX>(pixel);
- break;
- case SkCanvas::kNative_Unpremul_Config8888:
- return convert_pixel<OUT_PM, OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX,
- false, SK_NATIVE_A_IDX, SK_NATIVE_R_IDX, SK_NATIVE_G_IDX, SK_NATIVE_B_IDX>(pixel);
- break;
- case SkCanvas::kBGRA_Premul_Config8888:
- return convert_pixel<OUT_PM, OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX,
- true, 3, 2, 1, 0>(pixel);
- break;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- return convert_pixel<OUT_PM, OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX,
- false, 3, 2, 1, 0>(pixel);
- break;
- case SkCanvas::kRGBA_Premul_Config8888:
- return convert_pixel<OUT_PM, OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX,
- true, 3, 0, 1, 2>(pixel);
+ // Lucky for us, in both RGBA and BGRA, the alpha component is always in the same place, so
+ // we can perform premul or unpremul the same way without knowing the swizzles for RGB.
+ switch (doAlpha) {
+ case kNothing_AlphaVerb:
+ // no change
break;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- return convert_pixel<OUT_PM, OUT_A_IDX, OUT_R_IDX, OUT_G_IDX, OUT_B_IDX,
- false, 3, 0, 1, 2>(pixel);
+ case kPremul_AlphaVerb:
+ c = SkPreMultiplyARGB(SkGetPackedA32(c), SkGetPackedR32(c),
+ SkGetPackedG32(c), SkGetPackedB32(c));
break;
- default:
- SkDEBUGFAIL("Unexpected config8888");
- return 0;
+ case kUnpremul_AlphaVerb:
+ c = SkUnPreMultiply::UnPreMultiplyPreservingByteOrder(c);
break;
}
+ return c;
}
-template <SkCanvas::Config8888 OUT_CFG, SkCanvas::Config8888 IN_CFG>
-inline uint32_t convert_pixel(uint32_t pixel) {
- switch(OUT_CFG) {
- case SkCanvas::kNative_Premul_Config8888:
- return convert_pixel<true, SK_NATIVE_A_IDX, SK_NATIVE_R_IDX, SK_NATIVE_G_IDX, SK_NATIVE_B_IDX, IN_CFG>(pixel);
- break;
- case SkCanvas::kNative_Unpremul_Config8888:
- return convert_pixel<false, SK_NATIVE_A_IDX, SK_NATIVE_R_IDX, SK_NATIVE_G_IDX, SK_NATIVE_B_IDX, IN_CFG>(pixel);
- break;
- case SkCanvas::kBGRA_Premul_Config8888:
- return convert_pixel<true, 3, 2, 1, 0, IN_CFG>(pixel);
- break;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- return convert_pixel<false, 3, 2, 1, 0, IN_CFG>(pixel);
- break;
- case SkCanvas::kRGBA_Premul_Config8888:
- return convert_pixel<true, 3, 0, 1, 2, IN_CFG>(pixel);
- break;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- return convert_pixel<false, 3, 0, 1, 2, IN_CFG>(pixel);
- break;
- default:
- SkDEBUGFAIL("Unexpected config8888");
- return 0;
- break;
+template <bool doSwapRB, AlphaVerb doAlpha>
+void convert32_row(uint32_t* dst, const uint32_t* src, int count) {
+ // This has to be correct if src == dst (but not partial overlap)
+ for (int i = 0; i < count; ++i) {
+ dst[i] = convert32<doSwapRB, doAlpha>(src[i]);
}
}
-/**
- * SkConvertConfig8888Pixels has 6 * 6 possible combinations of src and dst
- * configs. Each is implemented as an instantiation templated function. Two
- * levels of switch statements are used to select the correct instantiation, one
- * for the src config and one for the dst config.
- */
+static bool is_32bit_colortype(SkColorType ct) {
+ return kRGBA_8888_SkColorType == ct || kBGRA_8888_SkColorType == ct;
+}
-template <SkCanvas::Config8888 DST_CFG, SkCanvas::Config8888 SRC_CFG>
-inline void convert_config8888(uint32_t* dstPixels,
- size_t dstRowBytes,
- const uint32_t* srcPixels,
- size_t srcRowBytes,
- int width,
- int height) {
- intptr_t dstPix = reinterpret_cast<intptr_t>(dstPixels);
- intptr_t srcPix = reinterpret_cast<intptr_t>(srcPixels);
+static AlphaVerb compute_AlphaVerb(SkAlphaType src, SkAlphaType dst) {
+ SkASSERT(kIgnore_SkAlphaType != src);
+ SkASSERT(kIgnore_SkAlphaType != dst);
- for (int y = 0; y < height; ++y) {
- srcPixels = reinterpret_cast<const uint32_t*>(srcPix);
- dstPixels = reinterpret_cast<uint32_t*>(dstPix);
- for (int x = 0; x < width; ++x) {
- dstPixels[x] = convert_pixel<DST_CFG, SRC_CFG>(srcPixels[x]);
- }
- dstPix += dstRowBytes;
- srcPix += srcRowBytes;
+ if (kOpaque_SkAlphaType == src || kOpaque_SkAlphaType == dst || src == dst) {
+ return kNothing_AlphaVerb;
}
-}
-
-template <SkCanvas::Config8888 SRC_CFG>
-inline void convert_config8888(uint32_t* dstPixels,
- size_t dstRowBytes,
- SkCanvas::Config8888 dstConfig,
- const uint32_t* srcPixels,
- size_t srcRowBytes,
- int width,
- int height) {
- switch(dstConfig) {
- case SkCanvas::kNative_Premul_Config8888:
- convert_config8888<SkCanvas::kNative_Premul_Config8888, SRC_CFG>(dstPixels, dstRowBytes, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kNative_Unpremul_Config8888:
- convert_config8888<SkCanvas::kNative_Unpremul_Config8888, SRC_CFG>(dstPixels, dstRowBytes, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kBGRA_Premul_Config8888:
- convert_config8888<SkCanvas::kBGRA_Premul_Config8888, SRC_CFG>(dstPixels, dstRowBytes, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- convert_config8888<SkCanvas::kBGRA_Unpremul_Config8888, SRC_CFG>(dstPixels, dstRowBytes, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kRGBA_Premul_Config8888:
- convert_config8888<SkCanvas::kRGBA_Premul_Config8888, SRC_CFG>(dstPixels, dstRowBytes, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- convert_config8888<SkCanvas::kRGBA_Unpremul_Config8888, SRC_CFG>(dstPixels, dstRowBytes, srcPixels, srcRowBytes, width, height);
- break;
- default:
- SkDEBUGFAIL("Unexpected config8888");
- break;
+ if (kPremul_SkAlphaType == dst) {
+ SkASSERT(kUnpremul_SkAlphaType == src);
+ return kPremul_AlphaVerb;
+ } else {
+ SkASSERT(kPremul_SkAlphaType == src);
+ SkASSERT(kUnpremul_SkAlphaType == dst);
+ return kUnpremul_AlphaVerb;
}
}
+static void memcpy32_row(uint32_t* dst, const uint32_t* src, int count) {
+ memcpy(dst, src, count * 4);
}
-void SkConvertConfig8888Pixels(uint32_t* dstPixels,
- size_t dstRowBytes,
- SkCanvas::Config8888 dstConfig,
- const uint32_t* srcPixels,
- size_t srcRowBytes,
- SkCanvas::Config8888 srcConfig,
- int width,
- int height) {
- if (srcConfig == dstConfig) {
- if (srcPixels == dstPixels) {
- return;
- }
- if (dstRowBytes == srcRowBytes &&
- 4U * width == srcRowBytes) {
- memcpy(dstPixels, srcPixels, srcRowBytes * height);
- return;
- } else {
- intptr_t srcPix = reinterpret_cast<intptr_t>(srcPixels);
- intptr_t dstPix = reinterpret_cast<intptr_t>(dstPixels);
- for (int y = 0; y < height; ++y) {
- srcPixels = reinterpret_cast<const uint32_t*>(srcPix);
- dstPixels = reinterpret_cast<uint32_t*>(dstPix);
- memcpy(dstPixels, srcPixels, 4 * width);
- srcPix += srcRowBytes;
- dstPix += dstRowBytes;
- }
- return;
- }
+bool SkSrcPixelInfo::convertPixelsTo(SkDstPixelInfo* dst, int width, int height) const {
+ if (width <= 0 || height <= 0) {
+ return false;
}
- switch(srcConfig) {
- case SkCanvas::kNative_Premul_Config8888:
- convert_config8888<SkCanvas::kNative_Premul_Config8888>(dstPixels, dstRowBytes, dstConfig, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kNative_Unpremul_Config8888:
- convert_config8888<SkCanvas::kNative_Unpremul_Config8888>(dstPixels, dstRowBytes, dstConfig, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kBGRA_Premul_Config8888:
- convert_config8888<SkCanvas::kBGRA_Premul_Config8888>(dstPixels, dstRowBytes, dstConfig, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- convert_config8888<SkCanvas::kBGRA_Unpremul_Config8888>(dstPixels, dstRowBytes, dstConfig, srcPixels, srcRowBytes, width, height);
- break;
- case SkCanvas::kRGBA_Premul_Config8888:
- convert_config8888<SkCanvas::kRGBA_Premul_Config8888>(dstPixels, dstRowBytes, dstConfig, srcPixels, srcRowBytes, width, height);
+
+ if (!is_32bit_colortype(fColorType) || !is_32bit_colortype(dst->fColorType)) {
+ return false;
+ }
+
+ void (*proc)(uint32_t* dst, const uint32_t* src, int count);
+ AlphaVerb doAlpha = compute_AlphaVerb(fAlphaType, dst->fAlphaType);
+ bool doSwapRB = fColorType != dst->fColorType;
+
+ switch (doAlpha) {
+ case kNothing_AlphaVerb:
+ if (doSwapRB) {
+ proc = convert32_row<true, kNothing_AlphaVerb>;
+ } else {
+ if (fPixels == dst->fPixels) {
+ return true;
+ }
+ proc = memcpy32_row;
+ }
break;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- convert_config8888<SkCanvas::kRGBA_Unpremul_Config8888>(dstPixels, dstRowBytes, dstConfig, srcPixels, srcRowBytes, width, height);
+ case kPremul_AlphaVerb:
+ if (doSwapRB) {
+ proc = convert32_row<true, kPremul_AlphaVerb>;
+ } else {
+ proc = convert32_row<false, kPremul_AlphaVerb>;
+ }
break;
- default:
- SkDEBUGFAIL("Unexpected config8888");
+ case kUnpremul_AlphaVerb:
+ if (doSwapRB) {
+ proc = convert32_row<true, kUnpremul_AlphaVerb>;
+ } else {
+ proc = convert32_row<false, kUnpremul_AlphaVerb>;
+ }
break;
}
-}
-uint32_t SkPackConfig8888(SkCanvas::Config8888 config,
- uint32_t a,
- uint32_t r,
- uint32_t g,
- uint32_t b) {
- switch (config) {
- case SkCanvas::kNative_Premul_Config8888:
- case SkCanvas::kNative_Unpremul_Config8888:
- return pack_config8888<SK_NATIVE_A_IDX,
- SK_NATIVE_R_IDX,
- SK_NATIVE_G_IDX,
- SK_NATIVE_B_IDX>(a, r, g, b);
- case SkCanvas::kBGRA_Premul_Config8888:
- case SkCanvas::kBGRA_Unpremul_Config8888:
- return pack_config8888<3, 2, 1, 0>(a, r, g, b);
- case SkCanvas::kRGBA_Premul_Config8888:
- case SkCanvas::kRGBA_Unpremul_Config8888:
- return pack_config8888<3, 0, 1, 2>(a, r, g, b);
- default:
- SkDEBUGFAIL("Unexpected config8888");
- return 0;
+ uint32_t* dstP = static_cast<uint32_t*>(dst->fPixels);
+ const uint32_t* srcP = static_cast<const uint32_t*>(fPixels);
+ size_t srcInc = fRowBytes >> 2;
+ size_t dstInc = dst->fRowBytes >> 2;
+ for (int y = 0; y < height; ++y) {
+ proc(dstP, srcP, width);
+ dstP += dstInc;
+ srcP += srcInc;
}
+ return true;
}
diff --git a/src/core/SkConfig8888.h b/src/core/SkConfig8888.h
index 041773e6df..97a3433ad2 100644
--- a/src/core/SkConfig8888.h
+++ b/src/core/SkConfig8888.h
@@ -5,75 +5,27 @@
* found in the LICENSE file.
*/
-#ifndef SkConfig8888_DEFINED
-#define SkConfig8888_DEFINED
+#ifndef SkPixelInfo_DEFINED
+#define SkPixelInfo_DEFINED
-#include "SkCanvas.h"
-#include "SkColorPriv.h"
+#include "SkImageInfo.h"
-/**
- * Converts pixels from one Config8888 to another Config8888
- */
-void SkConvertConfig8888Pixels(uint32_t* dstPixels,
- size_t dstRowBytes,
- SkCanvas::Config8888 dstConfig,
- const uint32_t* srcPixels,
- size_t srcRowBytes,
- SkCanvas::Config8888 srcConfig,
- int width,
- int height);
-
-/**
- * Packs a, r, g, b, values into byte order specified by config.
- */
-uint32_t SkPackConfig8888(SkCanvas::Config8888 config,
- uint32_t a,
- uint32_t r,
- uint32_t g,
- uint32_t b);
-
-///////////////////////////////////////////////////////////////////////////////
-// Implementation
-
-namespace {
+struct SkPixelInfo {
+ SkColorType fColorType;
+ SkAlphaType fAlphaType;
+ size_t fRowBytes;
+};
-/**
- Copies all pixels from a bitmap to a dst ptr with a given rowBytes and
- Config8888. The bitmap must have kARGB_8888_Config.
- */
-
-static inline void SkCopyBitmapToConfig8888(uint32_t* dstPixels,
- size_t dstRowBytes,
- SkCanvas::Config8888 dstConfig8888,
- const SkBitmap& srcBmp) {
- SkASSERT(SkBitmap::kARGB_8888_Config == srcBmp.config());
- SkAutoLockPixels alp(srcBmp);
- int w = srcBmp.width();
- int h = srcBmp.height();
- size_t srcRowBytes = srcBmp.rowBytes();
- const uint32_t* srcPixels = reinterpret_cast<uint32_t*>(srcBmp.getPixels());
-
- SkConvertConfig8888Pixels(dstPixels, dstRowBytes, dstConfig8888, srcPixels, srcRowBytes, SkCanvas::kNative_Premul_Config8888, w, h);
-}
-
-/**
- Copies over all pixels in a bitmap from a src ptr with a given rowBytes and
- Config8888. The bitmap must have pixels and be kARGB_8888_Config.
- */
-static inline void SkCopyConfig8888ToBitmap(const SkBitmap& dstBmp,
- const uint32_t* srcPixels,
- size_t srcRowBytes,
- SkCanvas::Config8888 srcConfig8888) {
- SkASSERT(SkBitmap::kARGB_8888_Config == dstBmp.config());
- SkAutoLockPixels alp(dstBmp);
- int w = dstBmp.width();
- int h = dstBmp.height();
- size_t dstRowBytes = dstBmp.rowBytes();
- uint32_t* dstPixels = reinterpret_cast<uint32_t*>(dstBmp.getPixels());
+struct SkDstPixelInfo : SkPixelInfo {
+ void* fPixels;
+};
- SkConvertConfig8888Pixels(dstPixels, dstRowBytes, SkCanvas::kNative_Premul_Config8888, srcPixels, srcRowBytes, srcConfig8888, w, h);
-}
+struct SkSrcPixelInfo : SkPixelInfo {
+ const void* fPixels;
-}
+ // Guaranteed to work even if src.fPixels and dst.fPixels are the same
+ // (but not if they overlap partially)
+ bool convertPixelsTo(SkDstPixelInfo* dst, int width, int height) const;
+};
#endif
diff --git a/src/core/SkDevice.cpp b/src/core/SkDevice.cpp
index ac46755013..4c75a36363 100644
--- a/src/core/SkDevice.cpp
+++ b/src/core/SkDevice.cpp
@@ -8,16 +8,6 @@
#include "SkDevice.h"
#include "SkMetaData.h"
-#if SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
- const SkCanvas::Config8888 SkBaseDevice::kPMColorAlias = SkCanvas::kBGRA_Premul_Config8888;
-#elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
- const SkCanvas::Config8888 SkBaseDevice::kPMColorAlias = SkCanvas::kRGBA_Premul_Config8888;
-#else
- const SkCanvas::Config8888 SkBaseDevice::kPMColorAlias = (SkCanvas::Config8888) -1;
-#endif
-
-///////////////////////////////////////////////////////////////////////////////
-
SkBaseDevice::SkBaseDevice()
: fLeakyProperties(SkDeviceProperties::MakeDefault())
#ifdef SK_DEBUG
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index c016d062ab..9a277b0591 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -25,6 +25,7 @@
#include "GrSoftwarePathRenderer.h"
#include "GrStencilBuffer.h"
#include "GrTextStrike.h"
+#include "SkGr.h"
#include "SkRTConf.h"
#include "SkRRect.h"
#include "SkStrokeRec.h"
@@ -1259,54 +1260,15 @@ bool GrContext::readTexturePixels(GrTexture* texture,
#include "SkConfig8888.h"
-namespace {
-/**
- * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel
- * formats are representable as Config8888 and so the function returns false
- * if the GrPixelConfig has no equivalent Config8888.
- */
-bool grconfig_to_config8888(GrPixelConfig config,
- bool unpremul,
- SkCanvas::Config8888* config8888) {
- switch (config) {
- case kRGBA_8888_GrPixelConfig:
- if (unpremul) {
- *config8888 = SkCanvas::kRGBA_Unpremul_Config8888;
- } else {
- *config8888 = SkCanvas::kRGBA_Premul_Config8888;
- }
- return true;
- case kBGRA_8888_GrPixelConfig:
- if (unpremul) {
- *config8888 = SkCanvas::kBGRA_Unpremul_Config8888;
- } else {
- *config8888 = SkCanvas::kBGRA_Premul_Config8888;
- }
- return true;
- default:
- return false;
- }
-}
-
-// It returns a configuration with where the byte position of the R & B components are swapped in
-// relation to the input config. This should only be called with the result of
-// grconfig_to_config8888 as it will fail for other configs.
-SkCanvas::Config8888 swap_config8888_red_and_blue(SkCanvas::Config8888 config8888) {
- switch (config8888) {
- case SkCanvas::kBGRA_Premul_Config8888:
- return SkCanvas::kRGBA_Premul_Config8888;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- return SkCanvas::kRGBA_Unpremul_Config8888;
- case SkCanvas::kRGBA_Premul_Config8888:
- return SkCanvas::kBGRA_Premul_Config8888;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- return SkCanvas::kBGRA_Unpremul_Config8888;
- default:
- GrCrash("Unexpected input");
- return SkCanvas::kBGRA_Unpremul_Config8888;;
+// toggles between RGBA and BGRA
+static SkColorType toggle_colortype32(SkColorType ct) {
+ if (kRGBA_8888_SkColorType == ct) {
+ return kBGRA_8888_SkColorType;
+ } else {
+ SkASSERT(kBGRA_8888_SkColorType == ct);
+ return kRGBA_8888_SkColorType;
}
}
-}
bool GrContext::readRenderTargetPixels(GrRenderTarget* target,
int left, int top, int width, int height,
@@ -1432,22 +1394,21 @@ bool GrContext::readRenderTargetPixels(GrRenderTarget* target,
}
// Perform any conversions we weren't able to perform using a scratch texture.
if (unpremul || swapRAndB) {
- // These are initialized to suppress a warning
- SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888;
- SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888;
+ SkDstPixelInfo dstPI;
+ if (!GrPixelConfig2ColorType(dstConfig, &dstPI.fColorType)) {
+ return false;
+ }
+ dstPI.fAlphaType = kUnpremul_SkAlphaType;
+ dstPI.fPixels = buffer;
+ dstPI.fRowBytes = rowBytes;
- SkDEBUGCODE(bool c8888IsValid =) grconfig_to_config8888(dstConfig, false, &srcC8888);
- grconfig_to_config8888(dstConfig, unpremul, &dstC8888);
+ SkSrcPixelInfo srcPI;
+ srcPI.fColorType = swapRAndB ? toggle_colortype32(dstPI.fColorType) : dstPI.fColorType;
+ srcPI.fAlphaType = kPremul_SkAlphaType;
+ srcPI.fPixels = buffer;
+ srcPI.fRowBytes = rowBytes;
- if (swapRAndB) {
- SkASSERT(c8888IsValid); // we should only do r/b swap on 8888 configs
- srcC8888 = swap_config8888_red_and_blue(srcC8888);
- }
- SkASSERT(c8888IsValid);
- uint32_t* b32 = reinterpret_cast<uint32_t*>(buffer);
- SkConvertConfig8888Pixels(b32, rowBytes, dstC8888,
- b32, rowBytes, srcC8888,
- width, height);
+ return srcPI.convertPixelsTo(&dstPI, width, height);
}
return true;
}
@@ -1567,18 +1528,24 @@ bool GrContext::writeRenderTargetPixels(GrRenderTarget* target,
effect.reset(this->createUPMToPMEffect(texture, swapRAndB, textureMatrix));
// handle the unpremul step on the CPU if we couldn't create an effect to do it.
if (NULL == effect) {
- SkCanvas::Config8888 srcConfig8888, dstConfig8888;
- SkDEBUGCODE(bool success = )
- grconfig_to_config8888(srcConfig, true, &srcConfig8888);
- SkASSERT(success);
- SkDEBUGCODE(success = )
- grconfig_to_config8888(srcConfig, false, &dstConfig8888);
- SkASSERT(success);
- const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer);
- tmpPixels.reset(width * height);
- SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888,
- src, rowBytes, srcConfig8888,
- width, height);
+ SkSrcPixelInfo srcPI;
+ if (!GrPixelConfig2ColorType(srcConfig, &srcPI.fColorType)) {
+ return false;
+ }
+ srcPI.fAlphaType = kUnpremul_SkAlphaType;
+ srcPI.fPixels = buffer;
+ srcPI.fRowBytes = rowBytes;
+
+ SkDstPixelInfo dstPI;
+ dstPI.fColorType = srcPI.fColorType;
+ dstPI.fAlphaType = kPremul_SkAlphaType;
+ dstPI.fPixels = tmpPixels.get();
+ dstPI.fRowBytes = 4 * width;
+
+ if (!srcPI.convertPixelsTo(&dstPI, width, height)) {
+ return false;
+ }
+
buffer = tmpPixels.get();
rowBytes = 4 * width;
}
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index 94e4c8c35d..db46b86901 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -34,11 +34,22 @@ static void build_compressed_data(void* buffer, const SkBitmap& bitmap) {
SkColorTable* ctable = bitmap.getColorTable();
char* dst = (char*)buffer;
- uint32_t* colorTableDst = reinterpret_cast<uint32_t*>(dst);
- const uint32_t* colorTableSrc = reinterpret_cast<const uint32_t*>(ctable->lockColors());
- SkConvertConfig8888Pixels(colorTableDst, 0, SkCanvas::kRGBA_Premul_Config8888,
- colorTableSrc, 0, SkCanvas::kNative_Premul_Config8888,
- ctable->count(), 1);
+ const int count = ctable->count();
+
+ SkDstPixelInfo dstPI;
+ dstPI.fColorType = kRGBA_8888_SkColorType;
+ dstPI.fAlphaType = kPremul_SkAlphaType;
+ dstPI.fPixels = buffer;
+ dstPI.fRowBytes = count * sizeof(SkPMColor);
+
+ SkSrcPixelInfo srcPI;
+ srcPI.fColorType = kPMColor_SkColorType;
+ srcPI.fAlphaType = kPremul_SkAlphaType;
+ srcPI.fPixels = ctable->lockColors();
+ srcPI.fRowBytes = count * sizeof(SkPMColor);
+
+ srcPI.convertPixelsTo(&dstPI, count, 1);
+
ctable->unlockColors();
// always skip a full 256 number of entries, even if we memcpy'd fewer
diff --git a/tests/DeferredCanvasTest.cpp b/tests/DeferredCanvasTest.cpp
index aa360be401..0af0c51fed 100644
--- a/tests/DeferredCanvasTest.cpp
+++ b/tests/DeferredCanvasTest.cpp
@@ -26,21 +26,6 @@ class GrContextFactory;
static const int gWidth = 2;
static const int gHeight = 2;
-static void callWritePixels(SkCanvas* canvas, const SkBitmap& src, int x, int y,
- SkCanvas::Config8888 config) {
- SkBitmap bm(src);
- bm.lockPixels();
-
- SkImageInfo info = bm.info();
- sk_tool_utils::config8888_to_imagetypes(config, &info.fColorType, &info.fAlphaType);
-
- if (src.isOpaque()) {
- info.fAlphaType = kOpaque_SkAlphaType;
- }
-
- canvas->writePixels(info, bm.getPixels(), bm.rowBytes(), x, y);
-}
-
static void create(SkBitmap* bm, SkColor color) {
bm->allocN32Pixels(gWidth, gHeight);
bm->eraseColor(color);
@@ -122,7 +107,7 @@ static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter)
SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get()));
SkBitmap srcBitmap;
- srcBitmap.allocN32Pixels(10, 10);
+ srcBitmap.allocPixels(SkImageInfo::Make(10, 10, kRGBA_8888_SkColorType, kUnpremul_SkAlphaType));
srcBitmap.eraseColor(SK_ColorGREEN);
// Tests below depend on this bitmap being recognized as opaque
@@ -174,7 +159,7 @@ static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter)
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
surface->clearCounts();
- callWritePixels(canvas, srcBitmap, 0, 0, SkCanvas::kRGBA_Unpremul_Config8888);
+ canvas->writePixels(srcBitmap, 0, 0);
REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount);
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
@@ -191,7 +176,7 @@ static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter)
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
surface->clearCounts();
- callWritePixels(canvas, srcBitmap, 5, 0, SkCanvas::kRGBA_Unpremul_Config8888);
+ canvas->writePixels(srcBitmap, 5, 0);
REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount);
REPORTER_ASSERT(reporter, 1 == surface->fRetainCount);
@@ -213,7 +198,7 @@ static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter)
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
surface->clearCounts();
- callWritePixels(canvas, srcBitmap, 0, 0, SkCanvas::kRGBA_Unpremul_Config8888);
+ canvas->writePixels(srcBitmap, 0, 0);
REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount);
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
@@ -235,7 +220,7 @@ static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter)
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
surface->clearCounts();
- callWritePixels(canvas, srcBitmap, 5, 0, SkCanvas::kRGBA_Unpremul_Config8888);
+ canvas->writePixels(srcBitmap, 5, 0);
REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount); // because of the clear
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
@@ -259,7 +244,7 @@ static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter)
REPORTER_ASSERT(reporter, 0 == surface->fRetainCount);
surface->clearCounts();
- callWritePixels(canvas, srcBitmap, 5, 0, SkCanvas::kRGBA_Unpremul_Config8888);
+ canvas->writePixels(srcBitmap, 5, 0);
REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount);
REPORTER_ASSERT(reporter, 1 == surface->fRetainCount);
diff --git a/tests/WritePixelsTest.cpp b/tests/WritePixelsTest.cpp
index fc0fe37d6c..a1c978d1b1 100644
--- a/tests/WritePixelsTest.cpp
+++ b/tests/WritePixelsTest.cpp
@@ -56,41 +56,18 @@ static SkPMColor getCanvasColor(int x, int y) {
return SkPremultiplyARGBInline(a, r, g, b);
}
-static bool config8888IsPremul(SkCanvas::Config8888 config8888) {
- switch (config8888) {
- case SkCanvas::kNative_Premul_Config8888:
- case SkCanvas::kBGRA_Premul_Config8888:
- case SkCanvas::kRGBA_Premul_Config8888:
- return true;
- case SkCanvas::kNative_Unpremul_Config8888:
- case SkCanvas::kBGRA_Unpremul_Config8888:
- case SkCanvas::kRGBA_Unpremul_Config8888:
- return false;
- default:
- SkASSERT(0);
- return false;
- }
-}
-
// assumes any premu/.unpremul has been applied
-static uint32_t packConfig8888(SkCanvas::Config8888 config8888,
- U8CPU a, U8CPU r, U8CPU g, U8CPU b) {
+static uint32_t packColorType(SkColorType ct, U8CPU a, U8CPU r, U8CPU g, U8CPU b) {
uint32_t r32;
uint8_t* result = reinterpret_cast<uint8_t*>(&r32);
- switch (config8888) {
- case SkCanvas::kNative_Premul_Config8888:
- case SkCanvas::kNative_Unpremul_Config8888:
- r32 = SkPackARGB32NoCheck(a, r, g, b);
- break;
- case SkCanvas::kBGRA_Premul_Config8888:
- case SkCanvas::kBGRA_Unpremul_Config8888:
+ switch (ct) {
+ case kBGRA_8888_SkColorType:
result[0] = b;
result[1] = g;
result[2] = r;
result[3] = a;
break;
- case SkCanvas::kRGBA_Premul_Config8888:
- case SkCanvas::kRGBA_Unpremul_Config8888:
+ case kRGBA_8888_SkColorType:
result[0] = r;
result[1] = g;
result[2] = b;
@@ -103,7 +80,7 @@ static uint32_t packConfig8888(SkCanvas::Config8888 config8888,
return r32;
}
-static uint32_t getBitmapColor(int x, int y, int w, SkCanvas::Config8888 config8888) {
+static uint32_t getBitmapColor(int x, int y, int w, SkColorType ct, SkAlphaType at) {
int n = y * w + x;
U8CPU b = n & 0xff;
U8CPU g = (n >> 8) & 0xff;
@@ -126,12 +103,12 @@ static uint32_t getBitmapColor(int x, int y, int w, SkCanvas::Config8888 config8
a = 0x00;
break;
}
- if (config8888IsPremul(config8888)) {
+ if (kPremul_SkAlphaType == at) {
r = SkMulDiv255Ceiling(r, a);
g = SkMulDiv255Ceiling(g, a);
b = SkMulDiv255Ceiling(b, a);
}
- return packConfig8888(config8888, a, r, g , b);
+ return packColorType(ct, a, r, g , b);
}
static void fillCanvas(SkCanvas* canvas) {
@@ -154,48 +131,38 @@ static void fillCanvas(SkCanvas* canvas) {
canvas->restore();
}
-static SkPMColor convertConfig8888ToPMColor(SkCanvas::Config8888 config8888,
- uint32_t color,
- bool* premul) {
- const uint8_t* c = reinterpret_cast<uint8_t*>(&color);
- U8CPU a,r,g,b;
- *premul = false;
- switch (config8888) {
- case SkCanvas::kNative_Premul_Config8888:
- return color;
- case SkCanvas::kNative_Unpremul_Config8888:
- *premul = true;
- a = SkGetPackedA32(color);
- r = SkGetPackedR32(color);
- g = SkGetPackedG32(color);
- b = SkGetPackedB32(color);
- break;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- *premul = true; // fallthru
- case SkCanvas::kBGRA_Premul_Config8888:
- a = static_cast<U8CPU>(c[3]);
- r = static_cast<U8CPU>(c[2]);
- g = static_cast<U8CPU>(c[1]);
- b = static_cast<U8CPU>(c[0]);
+/**
+ * Lucky for us, alpha is always in the same spot (SK_A32_SHIFT), for both RGBA and BGRA.
+ * Thus this routine doesn't need to know the exact colortype
+ */
+static uint32_t premul(uint32_t color) {
+ unsigned a = SkGetPackedA32(color);
+ // these next three are not necessarily r,g,b in that order, but they are r,g,b in some order.
+ unsigned c0 = SkGetPackedR32(color);
+ unsigned c1 = SkGetPackedG32(color);
+ unsigned c2 = SkGetPackedB32(color);
+ c0 = SkMulDiv255Ceiling(c0, a);
+ c1 = SkMulDiv255Ceiling(c1, a);
+ c2 = SkMulDiv255Ceiling(c2, a);
+ return SkPackARGB32NoCheck(a, c0, c1, c2);
+}
+
+static SkPMColor convert_to_PMColor(SkColorType ct, SkAlphaType at, uint32_t color) {
+ if (kUnpremul_SkAlphaType == at) {
+ color = premul(color);
+ }
+ switch (ct) {
+ case kRGBA_8888_SkColorType:
+ color = SkSwizzle_RGBA_to_PMColor(color);
break;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- *premul = true; // fallthru
- case SkCanvas::kRGBA_Premul_Config8888:
- a = static_cast<U8CPU>(c[3]);
- r = static_cast<U8CPU>(c[0]);
- g = static_cast<U8CPU>(c[1]);
- b = static_cast<U8CPU>(c[2]);
+ case kBGRA_8888_SkColorType:
+ color = SkSwizzle_BGRA_to_PMColor(color);
break;
default:
- SkDEBUGFAIL("Unexpected Config8888");
- return 0;
- }
- if (*premul) {
- r = SkMulDiv255Ceiling(r, a);
- g = SkMulDiv255Ceiling(g, a);
- b = SkMulDiv255Ceiling(b, a);
+ SkASSERT(0);
+ break;
}
- return SkPackARGB32(a, r, g, b);
+ return color;
}
static bool checkPixel(SkPMColor a, SkPMColor b, bool didPremulConversion) {
@@ -218,39 +185,54 @@ static bool checkPixel(SkPMColor a, SkPMColor b, bool didPremulConversion) {
SkAbs32(aB - bB) <= 1;
}
-static bool checkWrite(skiatest::Reporter* reporter,
- SkCanvas* canvas,
- const SkBitmap& bitmap,
- int writeX, int writeY,
- SkCanvas::Config8888 config8888) {
- SkBaseDevice* dev = canvas->getDevice();
- if (!dev) {
+static bool checkWrite(skiatest::Reporter* reporter, SkCanvas* canvas, const SkBitmap& bitmap,
+ int writeX, int writeY) {
+ SkImageInfo canvasInfo;
+ size_t canvasRowBytes;
+ const uint32_t* canvasPixels;
+
+ // Can't use canvas->peekPixels(), as we are trying to look at GPU pixels sometimes as well.
+ // At some point this will be unsupported, as we won't allow accessBitmap() to magically call
+ // readPixels for the client.
+ SkBitmap secretDevBitmap;
+ {
+ SkBaseDevice* dev = canvas->getDevice();
+ if (!dev) {
+ return false;
+ }
+ secretDevBitmap = dev->accessBitmap(false);
+ }
+ SkAutoLockPixels alp(secretDevBitmap);
+ canvasInfo = secretDevBitmap.info();
+ canvasRowBytes = secretDevBitmap.rowBytes();
+ canvasPixels = static_cast<const uint32_t*>(secretDevBitmap.getPixels());
+
+ if (NULL == canvasPixels) {
return false;
}
- SkBitmap devBmp = dev->accessBitmap(false);
- if (devBmp.width() != DEV_W ||
- devBmp.height() != DEV_H ||
- devBmp.config() != SkBitmap::kARGB_8888_Config ||
- devBmp.isNull()) {
+
+ if (canvasInfo.width() != DEV_W ||
+ canvasInfo.height() != DEV_H ||
+ canvasInfo.colorType() != kPMColor_SkColorType) {
return false;
}
- SkAutoLockPixels alp(devBmp);
- intptr_t canvasPixels = reinterpret_cast<intptr_t>(devBmp.getPixels());
- size_t canvasRowBytes = devBmp.rowBytes();
+ const SkImageInfo bmInfo = bitmap.info();
+
SkIRect writeRect = SkIRect::MakeXYWH(writeX, writeY, bitmap.width(), bitmap.height());
for (int cy = 0; cy < DEV_H; ++cy) {
- const SkPMColor* canvasRow = reinterpret_cast<const SkPMColor*>(canvasPixels);
for (int cx = 0; cx < DEV_W; ++cx) {
- SkPMColor canvasPixel = canvasRow[cx];
+ SkPMColor canvasPixel = canvasPixels[cx];
if (writeRect.contains(cx, cy)) {
int bx = cx - writeX;
int by = cy - writeY;
- uint32_t bmpColor8888 = getBitmapColor(bx, by, bitmap.width(), config8888);
- bool mul;
- SkPMColor bmpPMColor = convertConfig8888ToPMColor(config8888, bmpColor8888, &mul);
- bool check;
- REPORTER_ASSERT(reporter, check = checkPixel(bmpPMColor, canvasPixel, mul));
+ uint32_t bmpColor8888 = getBitmapColor(bx, by, bitmap.width(),
+ bmInfo.colorType(), bmInfo.alphaType());
+ bool mul = (kUnpremul_SkAlphaType == bmInfo.alphaType());
+ SkPMColor bmpPMColor = convert_to_PMColor(bmInfo.colorType(), bmInfo.alphaType(),
+ bmpColor8888);
+ bool check = checkPixel(bmpPMColor, canvasPixel, mul);
+ REPORTER_ASSERT(reporter, check);
if (!check) {
return false;
}
@@ -264,7 +246,7 @@ static bool checkWrite(skiatest::Reporter* reporter,
}
}
if (cy != DEV_H -1) {
- const char* pad = reinterpret_cast<const char*>(canvasPixels + 4 * DEV_W);
+ const char* pad = reinterpret_cast<const char*>(canvasPixels + DEV_W);
for (size_t px = 0; px < canvasRowBytes - 4 * DEV_W; ++px) {
bool check;
REPORTER_ASSERT(reporter, check = (pad[px] == static_cast<char>(DEV_PAD)));
@@ -273,7 +255,7 @@ static bool checkWrite(skiatest::Reporter* reporter,
}
}
}
- canvasPixels += canvasRowBytes;
+ canvasPixels += canvasRowBytes/4;
}
return true;
@@ -354,21 +336,16 @@ static SkBaseDevice* createDevice(const CanvasConfig& c, GrContext* grCtx) {
return NULL;
}
-static bool setupBitmap(SkBitmap* bitmap,
- SkCanvas::Config8888 config8888,
- int w, int h,
- bool tightRowBytes) {
- size_t rowBytes = tightRowBytes ? 0 : 4 * w + 60;
- SkImageInfo info = SkImageInfo::MakeN32Premul(w, h);
- if (!allocRowBytes(bitmap, info, rowBytes)) {
+static bool setupBitmap(SkBitmap* bm, SkColorType ct, SkAlphaType at, int w, int h, int tightRB) {
+ size_t rowBytes = tightRB ? 0 : 4 * w + 60;
+ SkImageInfo info = SkImageInfo::Make(w, h, ct, at);
+ if (!allocRowBytes(bm, info, rowBytes)) {
return false;
}
- SkAutoLockPixels alp(*bitmap);
- intptr_t pixels = reinterpret_cast<intptr_t>(bitmap->getPixels());
+ SkAutoLockPixels alp(*bm);
for (int y = 0; y < h; ++y) {
for (int x = 0; x < w; ++x) {
- uint32_t* pixel = reinterpret_cast<uint32_t*>(pixels + y * bitmap->rowBytes() + x * 4);
- *pixel = getBitmapColor(x, y, w, config8888);
+ *bm->getAddr32(x, y) = getBitmapColor(x, y, w, ct, at);
}
}
return true;
@@ -452,31 +429,33 @@ DEF_GPUTEST(WritePixels, reporter, factory) {
SkAutoTUnref<SkBaseDevice> device(createDevice(gCanvasConfigs[i], context));
SkCanvas canvas(device);
- static const SkCanvas::Config8888 gSrcConfigs[] = {
- SkCanvas::kNative_Premul_Config8888,
- SkCanvas::kNative_Unpremul_Config8888,
- SkCanvas::kBGRA_Premul_Config8888,
- SkCanvas::kBGRA_Unpremul_Config8888,
- SkCanvas::kRGBA_Premul_Config8888,
- SkCanvas::kRGBA_Unpremul_Config8888,
+ static const struct {
+ SkColorType fColorType;
+ SkAlphaType fAlphaType;
+ } gSrcConfigs[] = {
+ { kRGBA_8888_SkColorType, kPremul_SkAlphaType },
+ { kRGBA_8888_SkColorType, kUnpremul_SkAlphaType },
+ { kBGRA_8888_SkColorType, kPremul_SkAlphaType },
+ { kBGRA_8888_SkColorType, kUnpremul_SkAlphaType },
};
for (size_t r = 0; r < SK_ARRAY_COUNT(testRects); ++r) {
const SkIRect& rect = testRects[r];
for (int tightBmp = 0; tightBmp < 2; ++tightBmp) {
for (size_t c = 0; c < SK_ARRAY_COUNT(gSrcConfigs); ++c) {
+ const SkColorType ct = gSrcConfigs[c].fColorType;
+ const SkAlphaType at = gSrcConfigs[c].fAlphaType;
+
fillCanvas(&canvas);
- SkCanvas::Config8888 config8888 = gSrcConfigs[c];
SkBitmap bmp;
- REPORTER_ASSERT(reporter, setupBitmap(&bmp, config8888, rect.width(), rect.height(), SkToBool(tightBmp)));
+ REPORTER_ASSERT(reporter, setupBitmap(&bmp, ct, at, rect.width(),
+ rect.height(), SkToBool(tightBmp)));
uint32_t idBefore = canvas.getDevice()->accessBitmap(false).getGenerationID();
- SkColorType ct;
- SkAlphaType at;
- sk_tool_utils::config8888_to_imagetypes(config8888, &ct, &at);
- sk_tool_utils::write_pixels(&canvas, bmp, rect.fLeft, rect.fTop, ct, at);
+ // sk_tool_utils::write_pixels(&canvas, bmp, rect.fLeft, rect.fTop, ct, at);
+ canvas.writePixels(bmp, rect.fLeft, rect.fTop);
uint32_t idAfter = canvas.getDevice()->accessBitmap(false).getGenerationID();
- REPORTER_ASSERT(reporter, checkWrite(reporter, &canvas, bmp, rect.fLeft, rect.fTop, config8888));
+ REPORTER_ASSERT(reporter, checkWrite(reporter, &canvas, bmp, rect.fLeft, rect.fTop));
// we should change the genID iff pixels were actually written.
SkIRect canvasRect = SkIRect::MakeSize(canvas.getDeviceSize());
diff --git a/tools/sk_tool_utils.cpp b/tools/sk_tool_utils.cpp
index d13b0d81f8..3eb55554b6 100644
--- a/tools/sk_tool_utils.cpp
+++ b/tools/sk_tool_utils.cpp
@@ -17,37 +17,6 @@ const char* colortype_name(SkColorType ct) {
}
}
-void config8888_to_imagetypes(SkCanvas::Config8888 config, SkColorType* ct, SkAlphaType* at) {
- switch (config) {
- case SkCanvas::kNative_Premul_Config8888:
- *ct = kPMColor_SkColorType;
- *at = kPremul_SkAlphaType;
- break;
- case SkCanvas::kNative_Unpremul_Config8888:
- *ct = kPMColor_SkColorType;
- *at = kUnpremul_SkAlphaType;
- break;
- case SkCanvas::kBGRA_Premul_Config8888:
- *ct = kBGRA_8888_SkColorType;
- *at = kPremul_SkAlphaType;
- break;
- case SkCanvas::kBGRA_Unpremul_Config8888:
- *ct = kBGRA_8888_SkColorType;
- *at = kUnpremul_SkAlphaType;
- break;
- case SkCanvas::kRGBA_Premul_Config8888:
- *ct = kRGBA_8888_SkColorType;
- *at = kPremul_SkAlphaType;
- break;
- case SkCanvas::kRGBA_Unpremul_Config8888:
- *ct = kRGBA_8888_SkColorType;
- *at = kUnpremul_SkAlphaType;
- break;
- default:
- SkASSERT(0);
- }
-}
-
void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y,
SkColorType colorType, SkAlphaType alphaType) {
SkBitmap tmp(bitmap);
diff --git a/tools/sk_tool_utils.h b/tools/sk_tool_utils.h
index ac1cdabf15..48fd716342 100644
--- a/tools/sk_tool_utils.h
+++ b/tools/sk_tool_utils.h
@@ -16,11 +16,6 @@ namespace sk_tool_utils {
const char* colortype_name(SkColorType);
/**
- * Return the colorType and alphaType that correspond to the specified Config8888
- */
- void config8888_to_imagetypes(SkCanvas::Config8888, SkColorType*, SkAlphaType*);
-
- /**
* Call canvas->writePixels() by using the pixels from bitmap, but with an info that claims
* the pixels are colorType + alphaType
*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 15:15:47 +0000