void GrGLProgram::setRenderTargetState(const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline) {
// Load the RT height uniform if it is needed to y-flip gl_FragCoord.
if (fBuiltinUniformHandles.fRTHeightUni.isValid() &&
fRenderTargetState.fRenderTargetSize.fHeight != pipeline.getRenderTarget()->height()) {
fProgramDataManager.set1f(fBuiltinUniformHandles.fRTHeightUni,
SkIntToScalar(pipeline.getRenderTarget()->height()));
}
// set RT adjustment
const GrRenderTarget* rt = pipeline.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
if (!primProc.isPathRendering()) {
if (fRenderTargetState.fRenderTargetOrigin != rt->origin() ||
fRenderTargetState.fRenderTargetSize != size) {
fRenderTargetState.fRenderTargetSize = size;
fRenderTargetState.fRenderTargetOrigin = rt->origin();
float rtAdjustmentVec[4];
fRenderTargetState.getRTAdjustmentVec(rtAdjustmentVec);
fProgramDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
}
} else {
SkASSERT(fGpu->glCaps().shaderCaps()->pathRenderingSupport());
const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>();
fGpu->glPathRendering()->setProjectionMatrix(pathProc.viewMatrix(),
size, rt->origin());
}
}
void drawHere(SkCanvas* canvas, SkFilterQuality filter, SkScalar dx, SkScalar dy) {
SkCanvas* origCanvas = canvas;
SkAutoCanvasRestore acr(canvas, true);
SkISize size = SkISize::Make(fImage->width(), fImage->height());
SkAutoTUnref<SkSurface> surface;
if (fShowFatBits) {
// scale up so we don't clip rotations
SkImageInfo info = SkImageInfo::MakeN32(fImage->width() * 2, fImage->height() * 2,
kOpaque_SkAlphaType);
surface.reset(make_surface(canvas, info));
canvas = surface->getCanvas();
canvas->drawColor(SK_ColorWHITE);
size.set(info.width(), info.height());
} else {
canvas->translate(SkScalarHalf(fCell.width() - fImage->width()),
SkScalarHalf(fCell.height() - fImage->height()));
}
this->drawTheImage(canvas, size, filter, dx, dy);
if (surface) {
SkAutoTUnref<SkImage> orig(surface->newImageSnapshot());
SkAutoTUnref<SkImage> zoomed(zoom_up(orig));
origCanvas->drawImage(zoomed,
SkScalarHalf(fCell.width() - zoomed->width()),
SkScalarHalf(fCell.height() - zoomed->height()));
}
}
static void TestSize(skiatest::Reporter* reporter) {
TestISize(reporter);
SkSize a, b;
int ix = 5;
int iy = 3;
SkScalar x = SkIntToScalar(ix);
SkScalar y = SkIntToScalar(iy);
a.set(0, 0);
REPORTER_ASSERT(reporter, a.isEmpty());
a.set(x, -x);
REPORTER_ASSERT(reporter, a.isEmpty());
a.clampNegToZero();
REPORTER_ASSERT(reporter, a.isEmpty());
b.set(x, 0);
REPORTER_ASSERT(reporter, a == b);
a.set(y, x);
REPORTER_ASSERT(reporter, !a.isEmpty());
b = a;
REPORTER_ASSERT(reporter, !b.isEmpty());
REPORTER_ASSERT(reporter, a == b);
REPORTER_ASSERT(reporter, !(a != b));
REPORTER_ASSERT(reporter,
a.fWidth == b.fWidth && a.fHeight == b.fHeight);
SkISize ia;
ia.set(ix, iy);
a.set(x, y);
REPORTER_ASSERT(reporter, a.toRound() == ia);
};
void GrGLProgram::setMatrixAndRenderTargetHeight(const GrDrawState& drawState) {
const GrRenderTarget* rt = drawState.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
// Load the RT height uniform if it is needed to y-flip gl_FragCoord.
if (fBuilderOutput.fUniformHandles.fRTHeightUni.isValid() &&
fMatrixState.fRenderTargetSize.fHeight != size.fHeight) {
fUniformManager->set1f(fBuilderOutput.fUniformHandles.fRTHeightUni,
SkIntToScalar(size.fHeight));
}
if (!fBuilderOutput.fHasVertexShader) {
SkASSERT(!fBuilderOutput.fUniformHandles.fViewMatrixUni.isValid());
SkASSERT(!fBuilderOutput.fUniformHandles.fRTAdjustmentUni.isValid());
fGpu->setProjectionMatrix(drawState.getViewMatrix(), size, rt->origin());
} else if (fMatrixState.fRenderTargetOrigin != rt->origin() ||
fMatrixState.fRenderTargetSize != size ||
!fMatrixState.fViewMatrix.cheapEqualTo(drawState.getViewMatrix())) {
SkASSERT(fBuilderOutput.fUniformHandles.fViewMatrixUni.isValid());
fMatrixState.fViewMatrix = drawState.getViewMatrix();
fMatrixState.fRenderTargetSize = size;
fMatrixState.fRenderTargetOrigin = rt->origin();
GrGLfloat viewMatrix[3 * 3];
fMatrixState.getGLMatrix<3>(viewMatrix);
fUniformManager->setMatrix3f(fBuilderOutput.fUniformHandles.fViewMatrixUni, viewMatrix);
GrGLfloat rtAdjustmentVec[4];
fMatrixState.getRTAdjustmentVec(rtAdjustmentVec);
fUniformManager->set4fv(fBuilderOutput.fUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
}
}
void GrGLNvprProgramBase::onSetMatrixAndRenderTargetHeight(GrGpu::DrawType drawType,
const GrOptDrawState& optState) {
SkASSERT(GrGpu::IsPathRenderingDrawType(drawType));
const GrRenderTarget* rt = optState.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
fGpu->glPathRendering()->setProjectionMatrix(optState.getViewMatrix(), size, rt->origin());
}
static void test_treatAsSprite(skiatest::Reporter* reporter) {
const unsigned bilerBits = kSkSubPixelBitsForBilerp;
SkMatrix mat;
SkISize size;
SkRandom rand;
// assert: translate-only no-filter can always be treated as sprite
for (int i = 0; i < 1000; ++i) {
rand_matrix(&mat, rand, SkMatrix::kTranslate_Mask);
for (int j = 0; j < 1000; ++j) {
rand_size(&size, rand);
REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, 0));
}
}
// assert: rotate/perspect is never treated as sprite
for (int i = 0; i < 1000; ++i) {
rand_matrix(&mat, rand, SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask);
for (int j = 0; j < 1000; ++j) {
rand_size(&size, rand);
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, 0));
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
}
}
size.set(500, 600);
const SkScalar tooMuchSubpixel = 100.1f;
mat.setTranslate(tooMuchSubpixel, 0);
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
mat.setTranslate(0, tooMuchSubpixel);
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
const SkScalar tinySubPixel = 100.02f;
mat.setTranslate(tinySubPixel, 0);
REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, bilerBits));
mat.setTranslate(0, tinySubPixel);
REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, bilerBits));
const SkScalar twoThirds = SK_Scalar1 * 2 / 3;
const SkScalar bigScale = (size.width() + twoThirds) / size.width();
mat.setScale(bigScale, bigScale);
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, false));
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
const SkScalar oneThird = SK_Scalar1 / 3;
const SkScalar smallScale = (size.width() + oneThird) / size.width();
mat.setScale(smallScale, smallScale);
REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, false));
REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
const SkScalar oneFortyth = SK_Scalar1 / 40;
const SkScalar tinyScale = (size.width() + oneFortyth) / size.width();
mat.setScale(tinyScale, tinyScale);
REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, false));
REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, bilerBits));
}
void GrGLPathProgram::onSetRenderTargetState(const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline) {
SkASSERT(!primProc.willUseGeoShader() && primProc.numAttribs() == 0);
const GrRenderTarget* rt = pipeline.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>();
fGpu->glPathRendering()->setProjectionMatrix(pathProc.viewMatrix(),
size, rt->origin());
}
void GrGLProgram::onSetRenderTargetState(const GrPrimitiveProcessor&,
const GrPipeline& pipeline) {
const GrRenderTarget* rt = pipeline.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
if (fRenderTargetState.fRenderTargetOrigin != rt->origin() ||
fRenderTargetState.fRenderTargetSize != size) {
fRenderTargetState.fRenderTargetSize = size;
fRenderTargetState.fRenderTargetOrigin = rt->origin();
GrGLfloat rtAdjustmentVec[4];
fRenderTargetState.getRTAdjustmentVec(rtAdjustmentVec);
fProgramDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
}
}
void GrVkPipelineState::setRenderTargetState(const GrRenderTarget* rt, GrSurfaceOrigin origin) {
// Load the RT height uniform if it is needed to y-flip gl_FragCoord.
if (fBuiltinUniformHandles.fRTHeightUni.isValid() &&
fRenderTargetState.fRenderTargetSize.fHeight != rt->height()) {
fDataManager.set1f(fBuiltinUniformHandles.fRTHeightUni, SkIntToScalar(rt->height()));
}
// set RT adjustment
SkISize size;
size.set(rt->width(), rt->height());
SkASSERT(fBuiltinUniformHandles.fRTAdjustmentUni.isValid());
if (fRenderTargetState.fRenderTargetOrigin != origin ||
fRenderTargetState.fRenderTargetSize != size) {
fRenderTargetState.fRenderTargetSize = size;
fRenderTargetState.fRenderTargetOrigin = origin;
float rtAdjustmentVec[4];
fRenderTargetState.getRTAdjustmentVec(rtAdjustmentVec);
fDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
}
}
void GrGLProgram::onSetMatrixAndRenderTargetHeight(GrGpu::DrawType drawType,
const GrOptDrawState& optState) {
const GrRenderTarget* rt = optState.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
if (fMatrixState.fRenderTargetOrigin != rt->origin() ||
fMatrixState.fRenderTargetSize != size ||
!fMatrixState.fViewMatrix.cheapEqualTo(optState.getViewMatrix())) {
SkASSERT(fBuiltinUniformHandles.fViewMatrixUni.isValid());
fMatrixState.fViewMatrix = optState.getViewMatrix();
fMatrixState.fRenderTargetSize = size;
fMatrixState.fRenderTargetOrigin = rt->origin();
GrGLfloat viewMatrix[3 * 3];
fMatrixState.getGLMatrix<3>(viewMatrix);
fProgramDataManager.setMatrix3f(fBuiltinUniformHandles.fViewMatrixUni, viewMatrix);
GrGLfloat rtAdjustmentVec[4];
fMatrixState.getRTAdjustmentVec(rtAdjustmentVec);
fProgramDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
}
}
void GrGpuGL::flushViewMatrix(DrawType type) {
const GrGLRenderTarget* rt = static_cast<const GrGLRenderTarget*>(this->getDrawState().getRenderTarget());
SkISize viewportSize;
const GrGLIRect& viewport = rt->getViewport();
viewportSize.set(viewport.fWidth, viewport.fHeight);
const SkMatrix& vm = this->getDrawState().getViewMatrix();
if (kStencilPath_DrawType == type) {
if (fHWPathMatrixState.fViewMatrix != vm ||
fHWPathMatrixState.fRTSize != viewportSize) {
// rescale the coords from skia's "device" coords to GL's normalized coords,
// and perform a y-flip.
SkMatrix m;
m.setScale(SkIntToScalar(2) / rt->width(), SkIntToScalar(-2) / rt->height());
m.postTranslate(-SK_Scalar1, SK_Scalar1);
m.preConcat(vm);
// GL wants a column-major 4x4.
GrGLfloat mv[] = {
// col 0
SkScalarToFloat(m[SkMatrix::kMScaleX]),
SkScalarToFloat(m[SkMatrix::kMSkewY]),
0,
SkScalarToFloat(m[SkMatrix::kMPersp0]),
// col 1
SkScalarToFloat(m[SkMatrix::kMSkewX]),
SkScalarToFloat(m[SkMatrix::kMScaleY]),
0,
SkScalarToFloat(m[SkMatrix::kMPersp1]),
// col 2
0, 0, 0, 0,
// col3
SkScalarToFloat(m[SkMatrix::kMTransX]),
SkScalarToFloat(m[SkMatrix::kMTransY]),
0.0f,
SkScalarToFloat(m[SkMatrix::kMPersp2])
};
GL_CALL(MatrixMode(GR_GL_PROJECTION));
GL_CALL(LoadMatrixf(mv));
fHWPathMatrixState.fViewMatrix = vm;
fHWPathMatrixState.fRTSize = viewportSize;
}
} else if (!fCurrentProgram->fViewMatrix.cheapEqualTo(vm) ||
fCurrentProgram->fViewportSize != viewportSize) {
SkMatrix m;
m.setAll(
SkIntToScalar(2) / viewportSize.fWidth, 0, -SK_Scalar1,
0,-SkIntToScalar(2) / viewportSize.fHeight, SK_Scalar1,
0, 0, SkMatrix::I()[8]);
m.setConcat(m, vm);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrGLfloat mt[] = {
SkScalarToFloat(m[SkMatrix::kMScaleX]),
SkScalarToFloat(m[SkMatrix::kMSkewY]),
SkScalarToFloat(m[SkMatrix::kMPersp0]),
SkScalarToFloat(m[SkMatrix::kMSkewX]),
SkScalarToFloat(m[SkMatrix::kMScaleY]),
SkScalarToFloat(m[SkMatrix::kMPersp1]),
SkScalarToFloat(m[SkMatrix::kMTransX]),
SkScalarToFloat(m[SkMatrix::kMTransY]),
SkScalarToFloat(m[SkMatrix::kMPersp2])
};
fCurrentProgram->fUniformManager.setMatrix3f(
fCurrentProgram->fUniformHandles.fViewMatrixUni,
mt);
fCurrentProgram->fViewMatrix = vm;
fCurrentProgram->fViewportSize = viewportSize;
}
}
static void test_treatAsSprite(skiatest::Reporter* reporter) {
SkMatrix mat;
SkISize size;
SkRandom rand;
SkPaint noaaPaint;
SkPaint aaPaint;
aaPaint.setAntiAlias(true);
// assert: translate-only no-aa can always be treated as sprite
for (int i = 0; i < 1000; ++i) {
rand_matrix(&mat, rand, SkMatrix::kTranslate_Mask);
for (int j = 0; j < 1000; ++j) {
rand_size(&size, rand);
REPORTER_ASSERT(reporter, SkTreatAsSprite(mat, size, noaaPaint));
}
}
// assert: rotate/perspect is never treated as sprite
for (int i = 0; i < 1000; ++i) {
rand_matrix(&mat, rand, SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask);
for (int j = 0; j < 1000; ++j) {
rand_size(&size, rand);
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, noaaPaint));
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, aaPaint));
}
}
size.set(500, 600);
const SkScalar tooMuchSubpixel = 100.1f;
mat.setTranslate(tooMuchSubpixel, 0);
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, aaPaint));
mat.setTranslate(0, tooMuchSubpixel);
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, aaPaint));
const SkScalar tinySubPixel = 100.02f;
mat.setTranslate(tinySubPixel, 0);
REPORTER_ASSERT(reporter, SkTreatAsSprite(mat, size, aaPaint));
mat.setTranslate(0, tinySubPixel);
REPORTER_ASSERT(reporter, SkTreatAsSprite(mat, size, aaPaint));
const SkScalar twoThirds = SK_Scalar1 * 2 / 3;
const SkScalar bigScale = (size.width() + twoThirds) / size.width();
mat.setScale(bigScale, bigScale);
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, noaaPaint));
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, aaPaint));
const SkScalar oneThird = SK_Scalar1 / 3;
const SkScalar smallScale = (size.width() + oneThird) / size.width();
mat.setScale(smallScale, smallScale);
REPORTER_ASSERT(reporter, SkTreatAsSprite(mat, size, noaaPaint));
REPORTER_ASSERT(reporter, !SkTreatAsSprite(mat, size, aaPaint));
const SkScalar oneFortyth = SK_Scalar1 / 40;
const SkScalar tinyScale = (size.width() + oneFortyth) / size.width();
mat.setScale(tinyScale, tinyScale);
REPORTER_ASSERT(reporter, SkTreatAsSprite(mat, size, noaaPaint));
REPORTER_ASSERT(reporter, SkTreatAsSprite(mat, size, aaPaint));
}
