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Unified Diff: src/core/SkBlitter_ARGB32.cpp

Issue 207683004: Extract most of the mutable state of SkShader into a separate Context object. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: rebase Created 6 years, 8 months ago
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Index: src/core/SkBlitter_ARGB32.cpp
diff --git a/src/core/SkBlitter_ARGB32.cpp b/src/core/SkBlitter_ARGB32.cpp
index d4bec1bc086fe7e7c3fcc9f4bb0b4b183731edb8..118a1d12f3e21d5cbd4ac96e7f970b569489b854 100644
--- a/src/core/SkBlitter_ARGB32.cpp
+++ b/src/core/SkBlitter_ARGB32.cpp
@@ -275,14 +275,16 @@ static void blend_srcmode(SkPMColor* SK_RESTRICT device,
}
SkARGB32_Shader_Blitter::SkARGB32_Shader_Blitter(const SkBitmap& device,
- const SkPaint& paint) : INHERITED(device, paint) {
+ const SkPaint& paint, SkShader::Context* shaderContext)
+ : INHERITED(device, paint, shaderContext)
+{
fBuffer = (SkPMColor*)sk_malloc_throw(device.width() * (sizeof(SkPMColor)));
fXfermode = paint.getXfermode();
SkSafeRef(fXfermode);
int flags = 0;
- if (!(fShader->getFlags() & SkShader::kOpaqueAlpha_Flag)) {
+ if (!(shaderContext->getFlags() & SkShader::kOpaqueAlpha_Flag)) {
flags |= SkBlitRow::kSrcPixelAlpha_Flag32;
}
// we call this on the output from the shader
@@ -292,7 +294,7 @@ SkARGB32_Shader_Blitter::SkARGB32_Shader_Blitter(const SkBitmap& device,
fShadeDirectlyIntoDevice = false;
if (fXfermode == NULL) {
- if (fShader->getFlags() & SkShader::kOpaqueAlpha_Flag) {
+ if (shaderContext->getFlags() & SkShader::kOpaqueAlpha_Flag) {
fShadeDirectlyIntoDevice = true;
}
} else {
@@ -305,7 +307,7 @@ SkARGB32_Shader_Blitter::SkARGB32_Shader_Blitter(const SkBitmap& device,
}
}
- fConstInY = SkToBool(fShader->getFlags() & SkShader::kConstInY32_Flag);
+ fConstInY = SkToBool(shaderContext->getFlags() & SkShader::kConstInY32_Flag);
}
SkARGB32_Shader_Blitter::~SkARGB32_Shader_Blitter() {
@@ -319,10 +321,10 @@ void SkARGB32_Shader_Blitter::blitH(int x, int y, int width) {
uint32_t* device = fDevice.getAddr32(x, y);
if (fShadeDirectlyIntoDevice) {
- fShader->shadeSpan(x, y, device, width);
+ fShaderContext->shadeSpan(x, y, device, width);
} else {
SkPMColor* span = fBuffer;
- fShader->shadeSpan(x, y, span, width);
+ fShaderContext->shadeSpan(x, y, span, width);
if (fXfermode) {
fXfermode->xfer32(device, span, width, NULL);
} else {
@@ -335,22 +337,22 @@ void SkARGB32_Shader_Blitter::blitRect(int x, int y, int width, int height) {
SkASSERT(x >= 0 && y >= 0 &&
x + width <= fDevice.width() && y + height <= fDevice.height());
- uint32_t* device = fDevice.getAddr32(x, y);
- size_t deviceRB = fDevice.rowBytes();
- SkShader* shader = fShader;
- SkPMColor* span = fBuffer;
+ uint32_t* device = fDevice.getAddr32(x, y);
+ size_t deviceRB = fDevice.rowBytes();
+ SkShader::Context* shaderContext = fShaderContext;
+ SkPMColor* span = fBuffer;
if (fConstInY) {
if (fShadeDirectlyIntoDevice) {
// shade the first row directly into the device
- fShader->shadeSpan(x, y, device, width);
+ shaderContext->shadeSpan(x, y, device, width);
span = device;
while (--height > 0) {
device = (uint32_t*)((char*)device + deviceRB);
memcpy(device, span, width << 2);
}
} else {
- fShader->shadeSpan(x, y, span, width);
+ shaderContext->shadeSpan(x, y, span, width);
SkXfermode* xfer = fXfermode;
if (xfer) {
do {
@@ -372,7 +374,7 @@ void SkARGB32_Shader_Blitter::blitRect(int x, int y, int width, int height) {
if (fShadeDirectlyIntoDevice) {
void* ctx;
- SkShader::ShadeProc shadeProc = fShader->asAShadeProc(&ctx);
+ SkShader::Context::ShadeProc shadeProc = shaderContext->asAShadeProc(&ctx);
if (shadeProc) {
do {
shadeProc(ctx, x, y, device, width);
@@ -381,7 +383,7 @@ void SkARGB32_Shader_Blitter::blitRect(int x, int y, int width, int height) {
} while (--height > 0);
} else {
do {
- shader->shadeSpan(x, y, device, width);
+ shaderContext->shadeSpan(x, y, device, width);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
} while (--height > 0);
@@ -390,7 +392,7 @@ void SkARGB32_Shader_Blitter::blitRect(int x, int y, int width, int height) {
SkXfermode* xfer = fXfermode;
if (xfer) {
do {
- shader->shadeSpan(x, y, span, width);
+ shaderContext->shadeSpan(x, y, span, width);
xfer->xfer32(device, span, width, NULL);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
@@ -398,7 +400,7 @@ void SkARGB32_Shader_Blitter::blitRect(int x, int y, int width, int height) {
} else {
SkBlitRow::Proc32 proc = fProc32;
do {
- shader->shadeSpan(x, y, span, width);
+ shaderContext->shadeSpan(x, y, span, width);
proc(device, span, width, 255);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
@@ -409,9 +411,9 @@ void SkARGB32_Shader_Blitter::blitRect(int x, int y, int width, int height) {
void SkARGB32_Shader_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
const int16_t runs[]) {
- SkPMColor* span = fBuffer;
- uint32_t* device = fDevice.getAddr32(x, y);
- SkShader* shader = fShader;
+ SkPMColor* span = fBuffer;
+ uint32_t* device = fDevice.getAddr32(x, y);
+ SkShader::Context* shaderContext = fShaderContext;
if (fXfermode && !fShadeDirectlyIntoDevice) {
for (;;) {
@@ -422,7 +424,7 @@ void SkARGB32_Shader_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
break;
int aa = *antialias;
if (aa) {
- shader->shadeSpan(x, y, span, count);
+ shaderContext->shadeSpan(x, y, span, count);
if (aa == 255) {
xfer->xfer32(device, span, count, NULL);
} else {
@@ -438,7 +440,7 @@ void SkARGB32_Shader_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
x += count;
}
} else if (fShadeDirectlyIntoDevice ||
- (fShader->getFlags() & SkShader::kOpaqueAlpha_Flag)) {
+ (shaderContext->getFlags() & SkShader::kOpaqueAlpha_Flag)) {
for (;;) {
int count = *runs;
if (count <= 0) {
@@ -448,9 +450,9 @@ void SkARGB32_Shader_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
if (aa) {
if (aa == 255) {
// cool, have the shader draw right into the device
- shader->shadeSpan(x, y, device, count);
+ shaderContext->shadeSpan(x, y, device, count);
} else {
- shader->shadeSpan(x, y, span, count);
+ shaderContext->shadeSpan(x, y, span, count);
fProc32Blend(device, span, count, aa);
}
}
@@ -467,7 +469,7 @@ void SkARGB32_Shader_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
}
int aa = *antialias;
if (aa) {
- fShader->shadeSpan(x, y, span, count);
+ shaderContext->shadeSpan(x, y, span, count);
if (aa == 255) {
fProc32(device, span, count, 255);
} else {
@@ -491,10 +493,11 @@ void SkARGB32_Shader_Blitter::blitMask(const SkMask& mask, const SkIRect& clip)
SkASSERT(mask.fBounds.contains(clip));
+ SkShader::Context* shaderContext = fShaderContext;
SkBlitMask::RowProc proc = NULL;
if (!fXfermode) {
unsigned flags = 0;
- if (fShader->getFlags() & SkShader::kOpaqueAlpha_Flag) {
+ if (shaderContext->getFlags() & SkShader::kOpaqueAlpha_Flag) {
flags |= SkBlitMask::kSrcIsOpaque_RowFlag;
}
proc = SkBlitMask::RowFactory(SkBitmap::kARGB_8888_Config, mask.fFormat,
@@ -515,14 +518,13 @@ void SkARGB32_Shader_Blitter::blitMask(const SkMask& mask, const SkIRect& clip)
const uint8_t* maskRow = (const uint8_t*)mask.getAddr(x, y);
const size_t maskRB = mask.fRowBytes;
- SkShader* shader = fShader;
SkPMColor* span = fBuffer;
if (fXfermode) {
SkASSERT(SkMask::kA8_Format == mask.fFormat);
SkXfermode* xfer = fXfermode;
do {
- shader->shadeSpan(x, y, span, width);
+ shaderContext->shadeSpan(x, y, span, width);
xfer->xfer32((SkPMColor*)dstRow, span, width, maskRow);
dstRow += dstRB;
maskRow += maskRB;
@@ -530,7 +532,7 @@ void SkARGB32_Shader_Blitter::blitMask(const SkMask& mask, const SkIRect& clip)
} while (--height > 0);
} else {
do {
- shader->shadeSpan(x, y, span, width);
+ shaderContext->shadeSpan(x, y, span, width);
proc(dstRow, maskRow, span, width);
dstRow += dstRB;
maskRow += maskRB;
@@ -542,13 +544,13 @@ void SkARGB32_Shader_Blitter::blitMask(const SkMask& mask, const SkIRect& clip)
void SkARGB32_Shader_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
SkASSERT(x >= 0 && y >= 0 && y + height <= fDevice.height());
- uint32_t* device = fDevice.getAddr32(x, y);
- size_t deviceRB = fDevice.rowBytes();
- SkShader* shader = fShader;
+ uint32_t* device = fDevice.getAddr32(x, y);
+ size_t deviceRB = fDevice.rowBytes();
+ SkShader::Context* shaderContext = fShaderContext;
if (fConstInY) {
SkPMColor c;
- fShader->shadeSpan(x, y, &c, 1);
+ shaderContext->shadeSpan(x, y, &c, 1);
if (fShadeDirectlyIntoDevice) {
if (255 == alpha) {
@@ -582,7 +584,7 @@ void SkARGB32_Shader_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
if (fShadeDirectlyIntoDevice) {
void* ctx;
- SkShader::ShadeProc shadeProc = fShader->asAShadeProc(&ctx);
+ SkShader::Context::ShadeProc shadeProc = shaderContext->asAShadeProc(&ctx);
if (255 == alpha) {
if (shadeProc) {
do {
@@ -592,7 +594,7 @@ void SkARGB32_Shader_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
} while (--height > 0);
} else {
do {
- shader->shadeSpan(x, y, device, 1);
+ shaderContext->shadeSpan(x, y, device, 1);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
} while (--height > 0);
@@ -608,7 +610,7 @@ void SkARGB32_Shader_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
} while (--height > 0);
} else {
do {
- shader->shadeSpan(x, y, &c, 1);
+ shaderContext->shadeSpan(x, y, &c, 1);
*device = SkFourByteInterp(c, *device, alpha);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
@@ -620,7 +622,7 @@ void SkARGB32_Shader_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
SkXfermode* xfer = fXfermode;
if (xfer) {
do {
- shader->shadeSpan(x, y, span, 1);
+ shaderContext->shadeSpan(x, y, span, 1);
xfer->xfer32(device, span, 1, &alpha);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
@@ -628,7 +630,7 @@ void SkARGB32_Shader_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
} else {
SkBlitRow::Proc32 proc = (255 == alpha) ? fProc32 : fProc32Blend;
do {
- shader->shadeSpan(x, y, span, 1);
+ shaderContext->shadeSpan(x, y, span, 1);
proc(device, span, 1, alpha);
y += 1;
device = (uint32_t*)((char*)device + deviceRB);
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