bool GrAtlas::addSubImage(int width, int height, const void* image,
GrIPoint16* loc) {
if (!fRects->addRect(width + BORDER, height + BORDER, loc)) {
return false;
}
GrAutoSMalloc<1024> storage;
int dstW = width + 2*BORDER;
int dstH = height + 2*BORDER;
if (BORDER) {
const int bpp = GrMaskFormatBytesPerPixel(fMaskFormat);
const size_t dstRB = dstW * bpp;
uint8_t* dst = (uint8_t*)storage.realloc(dstH * dstRB);
Gr_bzero(dst, dstRB); // zero top row
dst += dstRB;
for (int y = 0; y < height; y++) {
dst = zerofill(dst, bpp); // zero left edge
memcpy(dst, image, width * bpp);
dst += width * bpp;
dst = zerofill(dst, bpp); // zero right edge
image = (const void*)((const char*)image + width * bpp);
}
Gr_bzero(dst, dstRB); // zero bottom row
image = storage.get();
}
adjustForPlot(loc, fPlot);
fTexture->uploadTextureData(loc->fX, loc->fY, dstW, dstH, image);
// now tell the caller to skip the top/left BORDER
loc->fX += BORDER;
loc->fY += BORDER;
return true;
}
GrAtlasMgr::GrAtlasMgr(GrGpu* gpu) {
fGpu = gpu;
gpu->ref();
Gr_bzero(fTexture, sizeof(fTexture));
for (int i = 0; i < kCount_GrMaskFormats; ++i) {
fPlotMgr[i] = SkNEW_ARGS(GrPlotMgr, (GR_PLOT_WIDTH, GR_PLOT_HEIGHT));
}
}
bool GrAtlas::addSubImage(int width, int height, const void* image,
GrIPoint16* loc) {
if (!fRects->addRect(width + BORDER, height + BORDER, loc)) {
return false;
}
SkAutoSMalloc<1024> storage;
int dstW = width + 2*BORDER;
int dstH = height + 2*BORDER;
if (BORDER) {
const int bpp = GrMaskFormatBytesPerPixel(fMaskFormat);
const size_t dstRB = dstW * bpp;
uint8_t* dst = (uint8_t*)storage.reset(dstH * dstRB);
Gr_bzero(dst, dstRB); // zero top row
dst += dstRB;
for (int y = 0; y < height; y++) {
dst = zerofill(dst, bpp); // zero left edge
memcpy(dst, image, width * bpp);
dst += width * bpp;
dst = zerofill(dst, bpp); // zero right edge
image = (const void*)((const char*)image + width * bpp);
}
Gr_bzero(dst, dstRB); // zero bottom row
image = storage.get();
}
adjustForPlot(loc, fPlot);
GrContext* context = fTexture->getContext();
// We pass the flag that does not force a flush. We assume our caller is
// smart and hasn't referenced the part of the texture we're about to update
// since the last flush.
context->writeTexturePixels(fTexture,
loc->fX, loc->fY, dstW, dstH,
fTexture->config(), image, 0,
GrContext::kDontFlush_PixelOpsFlag);
// now tell the caller to skip the top/left BORDER
loc->fX += BORDER;
loc->fY += BORDER;
#if FONT_CACHE_STATS
++g_UploadCount;
#endif
return true;
}
void set(const GrMatrix& m) {
Gr_bzero(fMat, sizeof(fMat));
fMat[0] = GrScalarToFloat(m[GrMatrix::kScaleX]);
fMat[4] = GrScalarToFloat(m[GrMatrix::kSkewX]);
fMat[12] = GrScalarToFloat(m[GrMatrix::kTransX]);
fMat[1] = GrScalarToFloat(m[GrMatrix::kSkewY]);
fMat[5] = GrScalarToFloat(m[GrMatrix::kScaleY]);
fMat[13] = GrScalarToFloat(m[GrMatrix::kTransY]);
fMat[3] = GrScalarToFloat(m[GrMatrix::kPersp0]);
fMat[7] = GrScalarToFloat(m[GrMatrix::kPersp1]);
fMat[15] = GrScalarToFloat(m[GrMatrix::kPersp2]);
fMat[10] = 1.f; // z-scale
}
void GrGpuGLFixed::flushProjectionMatrix() {
float mat[16];
Gr_bzero(mat, sizeof(mat));
GrAssert(NULL != fCurrDrawState.fRenderTarget);
mat[0] = 2.f / fCurrDrawState.fRenderTarget->width();
mat[5] = -2.f / fCurrDrawState.fRenderTarget->height();
mat[10] = -1.f;
mat[15] = 1;
mat[12] = -1.f;
mat[13] = 1.f;
GR_GL(MatrixMode(GR_GL_PROJECTION));
GR_GL(LoadMatrixf(mat));
}
GrAtlasMgr::GrAtlasMgr(GrGpu* gpu) {
fGpu = gpu;
gpu->ref();
Gr_bzero(fTexture, sizeof(fTexture));
fPlotMgr = new GrPlotMgr(GR_PLOT_WIDTH, GR_PLOT_HEIGHT);
}
GrRectanizerPow2(int w, int h) : GrRectanizer(w, h) {
fNextStripY = 0;
fAreaSoFar = 0;
Gr_bzero(fRows, sizeof(fRows));
}
void reset() {
Gr_bzero(fMat, sizeof(fMat));
fMat[0] = fMat[5] = fMat[10] = fMat[15] = GR_Scalar1;
}
