Ejemplo n.º 1
0
GrIndexBuffer* GrResourceProvider::createIndexBuffer(size_t size, BufferUsage usage,
                                                     uint32_t flags) {
    if (this->isAbandoned()) {
        return nullptr;
    }

    bool noPendingIO = SkToBool(flags & kNoPendingIO_Flag);
    bool dynamic = kDynamic_BufferUsage == usage;
    if (dynamic) {
        // bin by pow2 with a reasonable min
        static const uint32_t MIN_SIZE = 1 << 12;
        size = SkTMax(MIN_SIZE, GrNextPow2(SkToUInt(size)));

        GrScratchKey key;
        GrIndexBuffer::ComputeScratchKey(size, true, &key);
        uint32_t scratchFlags = 0;
        if (noPendingIO) {
            scratchFlags = GrResourceCache::kRequireNoPendingIO_ScratchFlag;
        } else {
            scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag;
        }
        GrGpuResource* resource = this->cache()->findAndRefScratchResource(key, size, scratchFlags);
        if (resource) {
            return static_cast<GrIndexBuffer*>(resource);
        }
    }
    return this->gpu()->createIndexBuffer(size, dynamic);
}
Ejemplo n.º 2
0
GrBuffer* GrResourceProvider::createBuffer(size_t size, GrBufferType intendedType,
                                           GrAccessPattern accessPattern, uint32_t flags,
                                           const void* data) {
    if (this->isAbandoned()) {
        return nullptr;
    }
    if (kDynamic_GrAccessPattern != accessPattern) {
        return this->gpu()->createBuffer(size, intendedType, accessPattern, data);
    }

    // bin by pow2 with a reasonable min
    static const uint32_t MIN_SIZE = 1 << 12;
    size_t allocSize = SkTMax(MIN_SIZE, GrNextPow2(SkToUInt(size)));

    GrScratchKey key;
    GrBuffer::ComputeScratchKeyForDynamicBuffer(allocSize, intendedType, &key);
    uint32_t scratchFlags = 0;
    if (flags & kNoPendingIO_Flag) {
        scratchFlags = GrResourceCache::kRequireNoPendingIO_ScratchFlag;
    } else {
        scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag;
    }
    GrBuffer* buffer = static_cast<GrBuffer*>(
        this->cache()->findAndRefScratchResource(key, allocSize, scratchFlags));
    if (!buffer) {
        buffer = this->gpu()->createBuffer(allocSize, intendedType, kDynamic_GrAccessPattern);
        if (!buffer) {
            return nullptr;
        }
    }
    if (data) {
        buffer->updateData(data, size);
    }
    return buffer;
}
GrIndexBuffer* GrResourceProvider::getIndexBuffer(size_t size, bool dynamic,
                                                  bool calledDuringFlush) {
    if (this->isAbandoned()) {
        return NULL;
    }

    if (dynamic) {
        // bin by pow2 with a reasonable min
        static const uint32_t MIN_SIZE = 1 << 12;
        size = SkTMax(MIN_SIZE, GrNextPow2(SkToUInt(size)));

        GrScratchKey key;
        GrIndexBuffer::ComputeScratchKey(size, dynamic, &key);
        uint32_t scratchFlags = 0;
        if (calledDuringFlush) {
            scratchFlags = GrResourceCache::kRequireNoPendingIO_ScratchFlag;
        } else {
            scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag;
        }
        GrGpuResource* resource = this->cache()->findAndRefScratchResource(key, scratchFlags);
        if (resource) {
            return static_cast<GrIndexBuffer*>(resource);
        }
    }

    return this->gpu()->createIndexBuffer(size, dynamic);    
}
Ejemplo n.º 4
0
GrBuffer* GrResourceProvider::createBuffer(GrBufferType type, size_t size,
                                           GrAccessPattern accessPattern, uint32_t flags) {
    if (this->isAbandoned()) {
        return nullptr;
    }

    if (kDynamic_GrAccessPattern == accessPattern) {
        // bin by pow2 with a reasonable min
        static const uint32_t MIN_SIZE = 1 << 12;
        size = SkTMax(MIN_SIZE, GrNextPow2(SkToUInt(size)));

        GrScratchKey key;
        GrBuffer::ComputeScratchKeyForDynamicBuffer(type, size, &key);
        uint32_t scratchFlags = 0;
        if (flags & kNoPendingIO_Flag) {
            scratchFlags = GrResourceCache::kRequireNoPendingIO_ScratchFlag;
        } else {
            scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag;
        }
        GrGpuResource* resource = this->cache()->findAndRefScratchResource(key, size, scratchFlags);
        if (resource) {
            return static_cast<GrBuffer*>(resource);
        }
    }
    return this->gpu()->createBuffer(type, size, accessPattern);
}
Ejemplo n.º 5
0
void SkRecorder::onDrawPosTextH(const void* text, size_t byteLength,
                                const SkScalar xpos[], SkScalar constY, const SkPaint& paint) {
    const int points = paint.countText(text, byteLength);
    APPEND(DrawPosTextH,
           paint,
           this->copy((const char*)text, byteLength),
           SkToUInt(byteLength),
           constY,
           this->copy(xpos, points));
}
Ejemplo n.º 6
0
void SkPipeCanvas::onDrawRegion(const SkRegion& region, const SkPaint& paint) {
    size_t size = region.writeToMemory(nullptr);
    unsigned extra = 0;
    if (fits_in(size, 24)) {
        extra = SkToUInt(size);
    }

    SkPipeWriter writer(this);
    writer.write32(pack_verb(SkPipeVerb::kDrawRegion, extra));
    if (0 == extra) {
        writer.write32(size);
    }
    SkAutoSMalloc<2048> storage(size);
    region.writeToMemory(storage.get());
    write_pad(&writer, storage.get(), size);
    write_paint(writer, paint, kGeometry_PaintUsage);
}
Ejemplo n.º 7
0
void SkRecorder::onDrawPoints(PointMode mode,
                              size_t count,
                              const SkPoint pts[],
                              const SkPaint& paint) {
    APPEND(DrawPoints, paint, mode, SkToUInt(count), this->copy(pts, count));
}