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add shaderprocs for all-in-one special blits (matrix+sampler)

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git-svn-id: http://skia.googlecode.com/svn/trunk@267 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@android.com 2009-07-16 01:13:14 +00:00
parent b4f404ac41
commit 7a99eb1c63
5 changed files with 87 additions and 43 deletions
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88
samplecode/SampleCircle.cpp
View File

@ -26,6 +26,7 @@ public:
CircleView() {
fDX = fDY = fRAD = 0;
fN = 3;
}
protected:
@ -71,56 +72,75 @@ protected:
const SkBitmap& bm = device->accessBitmap(false);
canvas->drawBitmapRect(bm, &src, dst, NULL);
}
static void make_poly(SkPath* path, int n) {
if (n <= 0) {
return;
}
path->incReserve(n + 1);
path->moveTo(SK_Scalar1, 0);
SkScalar step = SK_ScalarPI * 2 / n;
SkScalar angle = 0;
for (int i = 1; i < n; i++) {
angle += step;
SkScalar c, s = SkScalarSinCos(angle, &c);
path->lineTo(c, s);
}
path->close();
}
static void rotate(SkCanvas* canvas, SkScalar angle, SkScalar px, SkScalar py) {
canvas->translate(-px, -py);
canvas->rotate(angle);
canvas->translate(px, py);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
test_circlebounds(canvas);
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
// canvas->drawCircle(250, 250, 220, paint);
SkMatrix matrix;
matrix.setScale(SkIntToScalar(100), SkIntToScalar(100));
matrix.postTranslate(SkIntToScalar(200), SkIntToScalar(200));
canvas->concat(matrix);
for (int n = 3; n < 20; n++) {
SkPath path;
make_poly(&path, n);
SkAutoCanvasRestore acr(canvas, true);
canvas->rotate(SkIntToScalar(10) * (n - 3));
canvas->translate(-SK_Scalar1, 0);
canvas->drawPath(path, paint);
}
if (false) {
// canvas->translate(SK_ScalarHalf, SK_ScalarHalf);
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawCircle(SkIntToScalar(10), SkIntToScalar(10), SkIntToScalar(2), paint);
test_circlebounds(canvas);
SkIRect r;
r.set(7, 7, 13, 13);
SkRect dst;
dst.set(SkIntToScalar(100), SkIntToScalar(10), SkIntToScalar(200), SkIntToScalar(110));
blowup(canvas, r, dst);
return;
}
// test that degenerate rects do nothing
if (true) {
SkScalar x = SkIntToScalar(30);
SkRect r;
r.set(x, x, x, x);
SkPaint p;
canvas->drawRect(r, p);
p.setAntiAlias(true);
canvas->drawRect(r, p);
}
SkScalar dx = SkIntToScalar(32);
SkScalar dy = SkIntToScalar(32);
canvas->translate(dx + fDX, dy + fDY);
drawSix(canvas, dx, dy);
SkScalar dx = SkIntToScalar(32);
SkScalar dy = SkIntToScalar(32);
canvas->translate(dx + fDX, dy + fDY);
drawSix(canvas, dx, dy);
canvas->translate(dx, 0);
canvas->translate(SK_ScalarHalf, SK_ScalarHalf);
drawSix(canvas, dx, dy);
canvas->translate(dx, 0);
canvas->translate(SK_ScalarHalf, SK_ScalarHalf);
drawSix(canvas, dx, dy);
}
fDX += ANIM_DX;
fDY += ANIM_DY;
fRAD += ANIM_RAD;
fN += 1;
if (fN > 40) {
fN = 3;
}
this->inval(NULL);
}
private:
int fN;
typedef SkView INHERITED;
};

16
src/core/SkBitmapProcShader.cpp
View File

@ -134,9 +134,13 @@ bool SkBitmapProcShader::setContext(const SkBitmap& device,
#define BUF_MAX 128
void SkBitmapProcShader::shadeSpan(int x, int y, SkPMColor dstC[], int count) {
uint32_t buffer[BUF_MAX];
const SkBitmapProcState& state = fState;
if (state.fShaderProc32) {
state.fShaderProc32(state, x, y, dstC, count);
return;
}
const SkBitmapProcState& state = fState;
uint32_t buffer[BUF_MAX];
SkBitmapProcState::MatrixProc mproc = state.fMatrixProc;
SkBitmapProcState::SampleProc32 sproc = state.fSampleProc32;
int max = fState.fDoFilter ? (BUF_MAX >> 1) : BUF_MAX;
@ -162,9 +166,13 @@ void SkBitmapProcShader::shadeSpan(int x, int y, SkPMColor dstC[], int count) {
}
void SkBitmapProcShader::shadeSpan16(int x, int y, uint16_t dstC[], int count) {
uint32_t buffer[BUF_MAX];
const SkBitmapProcState& state = fState;
if (state.fShaderProc16) {
state.fShaderProc16(state, x, y, dstC, count);
return;
}
const SkBitmapProcState& state = fState;
uint32_t buffer[BUF_MAX];
SkBitmapProcState::MatrixProc mproc = state.fMatrixProc;
SkBitmapProcState::SampleProc16 sproc = state.fSampleProc16;
int max = fState.fDoFilter ? (BUF_MAX >> 1) : BUF_MAX;

5
src/core/SkBitmapProcState.cpp
View File

@ -345,6 +345,11 @@ bool SkBitmapProcState::chooseProcs(const SkMatrix& inv, const SkPaint& paint) {
(inv.getType() > SkMatrix::kTranslate_Mask &&
valid_for_filtering(fBitmap->width() | fBitmap->height()));
fShaderProc32 = NULL;
fShaderProc16 = NULL;
fSampleProc32 = NULL;
fSampleProc16 = NULL;
fMatrixProc = this->chooseMatrixProc();
if (NULL == fMatrixProc) {
return false;

13
src/core/SkBitmapProcState.h
View File

@ -24,6 +24,12 @@ class SkPaint;
struct SkBitmapProcState {
typedef void (*ShaderProc32)(const SkBitmapProcState&, int x, int y,
SkPMColor[], int count);
typedef void (*ShaderProc16)(const SkBitmapProcState&, int x, int y,
uint16_t[], int count);
typedef void (*MatrixProc)(const SkBitmapProcState&,
uint32_t bitmapXY[],
int count,
@ -40,7 +46,12 @@ struct SkBitmapProcState {
uint16_t colors[]);
typedef U16CPU (*FixedTileProc)(SkFixed); // returns 0..0xFFFF
// If a shader proc is present, then the corresponding matrix/sample procs
// are ignored
ShaderProc32 fShaderProc32; // chooseProcs
ShaderProc16 fShaderProc16; // chooseProcs
// These are used if the shaderproc is NULL
MatrixProc fMatrixProc; // chooseProcs
SampleProc32 fSampleProc32; // chooseProcs
SampleProc16 fSampleProc16; // chooseProcs

8
xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj
View File

@ -32,7 +32,6 @@
0041CDFA0F009F0700695E8C /* SkImageRefPool.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CDF90F009F0700695E8C /* SkImageRefPool.cpp */; };
0041CE350F00A12400695E8C /* SampleBitmapRect.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE1E0F00A12400695E8C /* SampleBitmapRect.cpp */; };
0041CE360F00A12400695E8C /* SampleCamera.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE1F0F00A12400695E8C /* SampleCamera.cpp */; };
0041CE370F00A12400695E8C /* SampleCircle.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE200F00A12400695E8C /* SampleCircle.cpp */; };
0041CE380F00A12400695E8C /* SampleCull.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE220F00A12400695E8C /* SampleCull.cpp */; };
0041CE390F00A12400695E8C /* SampleDither.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE230F00A12400695E8C /* SampleDither.cpp */; };
0041CE3A0F00A12400695E8C /* SampleDrawLooper.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE240F00A12400695E8C /* SampleDrawLooper.cpp */; };
@ -41,7 +40,6 @@
0041CE400F00A12400695E8C /* SampleFontCache.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE2A0F00A12400695E8C /* SampleFontCache.cpp */; };
0041CE420F00A12400695E8C /* SampleImage.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE2C0F00A12400695E8C /* SampleImage.cpp */; };
0041CE430F00A12400695E8C /* SampleLayers.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE2D0F00A12400695E8C /* SampleLayers.cpp */; };
0041CE440F00A12400695E8C /* SampleLines.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE2E0F00A12400695E8C /* SampleLines.cpp */; };
0041CE450F00A12400695E8C /* SampleMeasure.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE2F0F00A12400695E8C /* SampleMeasure.cpp */; };
0041CE470F00A12400695E8C /* SampleNinePatch.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE310F00A12400695E8C /* SampleNinePatch.cpp */; };
0041CE480F00A12400695E8C /* SampleOverflow.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE320F00A12400695E8C /* SampleOverflow.cpp */; };
@ -77,6 +75,8 @@
00FF39140FC6ED2C00915187 /* SampleEffects.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00FF39130FC6ED2C00915187 /* SampleEffects.cpp */; };
0156F80407C56A3000C6122B /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0156F80307C56A3000C6122B /* Foundation.framework */; };
01FC44D507BD3BB800D228F4 /* Quartz.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 01FC44D407BD3BB800D228F4 /* Quartz.framework */; };
27005D16100903C100E275B6 /* SampleLines.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE2E0F00A12400695E8C /* SampleLines.cpp */; };
27005D5F10095B2B00E275B6 /* SampleCircle.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE200F00A12400695E8C /* SampleCircle.cpp */; };
2762F66D0FCCCABE002BD8B4 /* SkFlipPixelRef.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 2762F66B0FCCCABE002BD8B4 /* SkFlipPixelRef.cpp */; };
2762F66E0FCCCABE002BD8B4 /* SkPageFlipper.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 2762F66C0FCCCABE002BD8B4 /* SkPageFlipper.cpp */; };
2762F67D0FCCCB01002BD8B4 /* SamplePageFlip.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 2762F6770FCCCB01002BD8B4 /* SamplePageFlip.cpp */; };
@ -528,7 +528,6 @@
0041CDFA0F009F0700695E8C /* SkImageRefPool.cpp in Sources */,
0041CE350F00A12400695E8C /* SampleBitmapRect.cpp in Sources */,
0041CE360F00A12400695E8C /* SampleCamera.cpp in Sources */,
0041CE370F00A12400695E8C /* SampleCircle.cpp in Sources */,
0041CE380F00A12400695E8C /* SampleCull.cpp in Sources */,
0041CE390F00A12400695E8C /* SampleDither.cpp in Sources */,
0041CE3A0F00A12400695E8C /* SampleDrawLooper.cpp in Sources */,
@ -554,7 +553,6 @@
007C785E0F3B4C230004B142 /* SamplePathClip.cpp in Sources */,
009CC9190F65918A002185BE /* SampleFontScalerTest.cpp in Sources */,
007A7CB30F01658C00A2D6EE /* SamplePicture.cpp in Sources */,
0041CE440F00A12400695E8C /* SampleLines.cpp in Sources */,
008C4D980F77DAEE0056981C /* SampleHairline.cpp in Sources */,
009490320FB0A5B90063C792 /* SampleLayerMask.cpp in Sources */,
007A7CB60F01658C00A2D6EE /* SampleRegion.cpp in Sources */,
@ -575,6 +573,8 @@
0057785F0FF17CCC00582CD9 /* SampleMipMap.cpp in Sources */,
005778B40FF5616F00582CD9 /* SampleShapes.cpp in Sources */,
00F53F480FFCFC4D003FA70A /* SampleGradients.cpp in Sources */,
27005D16100903C100E275B6 /* SampleLines.cpp in Sources */,
27005D5F10095B2B00E275B6 /* SampleCircle.cpp in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};